Oklahoma State University - Tulsa
Oklahoma State University - Tulsa

News Alert:

Ranji Vaidyanathan, Ph.D., P.E.

Raj N. Singh, Sc.D.

Varnadow Professor of Materials Science and Engineering
Graduate Program Coordinator
School of Materials Science and Engineering
Courtesy appointment in School of Chemical Engineering

Helmerich Research Center
Oklahoma State University
700 North Greenwood Avenue, HRC-200
Tulsa, OK 74106-0700

Office Phone: 918-594-8645
Cell Phone: 405-338-8999
Fax: 918-594-8628
vaidyan@okstate.edu or tulmsegr@okstate.edu


Publications

Peer-Reviewed Publications - Peer-Reviewed Conference Papers - National Academy Committee Reports
Conference Proceedings - Patents - Patent Applications

Peer-reviewed publications

  1. Pandey, G., A. K. Singh, V. Rajagopalan, R. Vaidyanathan, R. P. Singh, “Interfacial Micromechanics and Effect of Moisture on Fluorinated Epoxy Carbon Fiber Composites," Vol. 32, pp. 1961-1969, Polymer Composites, 2011.
  2. S. N. Patankar, R. Mohan, A. D. Kelkar, R. Vaidyanathan, “Processing and characterization of epoxy resin dispersed with multi walled carbon nanotube (MWNT) derived from camphor,” Materials Science and Engineering A, 529, 253– 256 (2011).
  3. D. Chakravarthi, V. N. Khabashesku, R. Vaidyanathan, J.Blaine, S.Yarlagadda, D.Roseman, Q.Zeng and E.V. Barrera, “Carbon fiber - bismaleimide composites filled with nickel coated single walled carbon nanotubes for lightning strike protection,” Advanced Functional Materials, 21(13), 2527-2533, (2011).
  4. Tellis BC, Szivek JA, Bliss CL, Margolis DS, Vaidyanathan R. K, Calvert P., “Trabecular Scaffolds Created Using Micro CT Guided Fused Deposition Modeling,” Materials Science & Engineering C (Biomimetic and Supramolecular Systems) 10 Jan. 2008, vol.28, no.1, pp. 171-8.
  5. Szivek JA, Bliss CL, Geffre CP, Margolis DS, DeYoung DW, Ruth JT, Schnepp AB, Tellis BC, Vaidyanathan RK, “An Instrumented Scaffold can Monitor Loading in the Knee Joint,” Journal of Biomedical Materials Research Part B: Applied Biomaterials, Volume 79B, Issue 2, Date: November 2006, Pages: 218-228
  6. Szivek JA, Bliss CL, Geffre C, Margolis DS, DeYoung DW, Ruth JT, Schnepp AB, Tellis B, Vaidyanathan R. K, “Porous polybutylene terephthalate implants allow for bone ingrowth and provide awell-anchored scaffold that can be used to deliver tissue-engineered cartilage,” Journal of Investigative Medicine, 54 (1): S116-S116 213 Suppl. S, JAN 2006.
  7. Vaidyanathan R, Campbell J, Lopez R, Halloran J, Yarlagadda S, Gillespie JW, “Water soluble tooling materials for filament winding and VARTM,” SAMPE Journal, 41 (4): 49-55 JUL-AUG 2005.
  8. Szivek JA, Margolis DS, Garrison BK, Nelson E, Vaidyanathan R. K, DeYoung DW, “TGF-beta 1-enhanced TCP-coated sensate scaffolds can detect bone bonding,” Journal of Biomedical Materials Research Part B-Applied Biomaterials, 73B (1): 43-53 APR 2005.
  9. Bower,-C.; Ortega,-A.; Skandakumaran,-P.; Vaidyanathan,-R.; Phillips,-T., “Heat transfer in water-cooled silicon carbide Milli-channel heat sinks for high power electronic applications,” Transactions-of-the-ASME.-Journal-of-Heat-Transfer. Jan. 2005; 127(1): 59-65.
  10. John A. Szivek, David Margolis, B. K. Garrison, Ehren Nelson, R. Vaidyanathan, Don W. DeYoung, “TGF-ß1 Accelerates Bone Growth Into Porous TCP coated Scaffolds,” Journal Biomedical Materials Research-B, Vol: 73B-1, 43-53, 2004.
  11. M. L. Shofner, F. J. Rodriguez-Macias, R. Vaidyanathan, and E. V. Barrera, “Single Wall Nanotube and Vapor Grown Carbon Fiber Reinforced Polymers Processed by Extrusion Freeform Fabrication”. Composites, Part A. 34 (2003) 1207-1217.
  12. R. Vaidyanathan, J. Campbell, G. Artz, S. Yarlagadda, J. Gillespie, D. Dunaj, B. Guest and K. Nesmith, “Water Soluble Tooling Materials for Complex Polymer Composite Components and Honeycombs,” SAMPE Journal, Vol. 39, No. 1, January/February 2003.
  13. R. Vaidyanathan, M. Fox, M. J. Rigali, A. C. Mulligan, S. Yarlagadda, J. Gillespie, M. Effinger, “Process for Rapid Prototyping, in Ceramic-Matrix Composites,” NASA Technical Briefs No. MFS31597, available at http://www.nasatech.com/Briefs/Oct02/MFS31597.html
  14. P. D. Calvert; J. Cesarano; H. Chandra; H. Denham; S. Kasichainula; R. Vaidyanathan, “Toughness in synthetic and biological multilayered systems,” Phil. Trans. R. Soc. Lond. A (2002) 360, 199-209.
  15. R. Vaidyanathan, guest editor review paper, “Functional Metal, Ceramic, and Composite Prototypes by Solid Freeform Fabrication,” Journal of Metals, 52 (12), page 30, (2000).
  16. R. Vaidyanathan, J. Walish, J. L. Lombardi, P. Calvert, S.Kasichainula, K. Cooper, “Extrusion Freeform Fabrication of functional ceramic prototypes,” Journal of Metals, 52 (12), pp. 34-37, (2000).
  17. J. L. Lombardi, D. Z. Dent, R. Vaidyanathan, P. Calvert, F. Prinz, L. Weiss, and R. N. Katz, “Shape Deposition Manufacturing of functional ceramic prototypes,” P/M Science and Technology Briefs, pp. 17-21, Edited by Animesh Bose, 2[1], (2000).

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Peer reviewed conference papers
  1. O. J. Panachaveettil, R. Vaidyanathan, J. S. Krasinski, D. Vashaee, “Anomalous Thermoelectric Behavior of BiSeTe Doped with SiGe:As,” Green Technologies Conference, 2012 IEEE, Tulsa, Oklahoma, pages 1-4, April 19-20, 2012, DOI: 10.1109/GREEN.2012.6200976.
  2. O. J. Panachaveettil, X. Si, Z. Zamanipour, R. Vaidyanathan, D. Vashaee, “Development of Thermoelectric Devices for Structural Composites,” Materials Challenges in Alternative and Renewable Energy II – Ceramic Transactions vol. 239, G. Wicks, J. Simon, R. Zidan, R. Brigmon, G. Fischman, S. Arepalli, A. Norris, and M. McCluer, editors, Clearwater, Florida, Feb. 26-March 1, 2012, pp. 235 – 234, (2013).
  3. R. Vaidyanathan and R. Umashankar, “Summer Engineering Academy (SEA), a STEM initiative to recruit high-school students into engineering and science disciplines,” Paper #284, 1st Engineering Education Flash Week conducted by European Society for Engineering Education, Lisbon, Portugal, 27th September – 4th October, 2011.
  4. R. Vaidyanathan and R. Umashankar, “Summer Engineering Academy (SEA), a STEM initiative to recruit high-school students into engineering and science disciplines,” Paper # 2011-616, Proceedings of the American Society of Engineering Education, presented at the ASEE annual meeting, Vancouver BC, Canada, June 26 – June 29, 2011.
  5. D. Tilley and R. Vaidyanathan, “Interdisciplinary approaches to enhance engineering education through collaboration and assistance to small and medium-sized manufacturers in Oklahoma,” Paper # GC 2010-234, Proceedings of the American Society of Engineering Education, presented at the 9th ASEE Global Colloquium on Engineering Education, Singapore, October 18-21, 2010.
  6. N. Lei, A. Ortega and R. Vaidyanathan, “Modeling and optimization of multilayer minichannel heat sinks in single phase flow,” Proceedings of IPACK 2007, ASME Interpack ’07, July 2007, Vancouver, British Columbia, Canada, vol. 2, pp. 29-44, (2007).
  7. N. Lei, A. Ortega and R. Vaidyanathan, “Experiments and modeling of two phase heat transfer in single layer and multi-layer minichannel heat sinks,” Proceedings of IPACK 2007, ASME Interpack ’07, July 2007, Vancouver, British Columbia, Canada, vol. 2, pp. 307-320, (2007).
  8. Szivek JA, Bliss CL, Ruth JT, Schnepp AB, DeYoung DW, Vaidyanathan R. K., “An Instrumented Scaffold to Monitor Loading in the Knee Joint,” Transactions of Orthopaedic Research Society, Washington DC, February 2005 (peer-reviewed extended abstract).
  9. J.A. Szivek, B. K. Garrison, E. Nelson, D Margolis, D.W. DeYoung, R. K. Vaidyanathan “TGF-ß1 Accelerates Bone Growth Into Porous TCP-coated Scaffolds,” Transactions of Orthopaedic Research Society, Washington DC, February 2005 (peer-reviewed extended abstract).
  10. Skandakumaran,-P.; Ortega,-A.; Jamal-Eddine,-T.; Vaidyanathan,-R., “Multi-layered SiC microchannel heat sinks - modeling and experiment,” The-Ninth-Intersociety-Conference-on-Thermal-and-Thermomechanical-Phenomena-In-Electronic-Systems-IEEE-Cat.-No.04CH37543. 2004: 352-60 Vol.1, K. Ramakrishna et al., editors.
  11. J.A. Szivek, D Margolis, B. K. Garrison, E. Nelson, R. K. Vaidyanathan, D.W. DeYoung, “TGF-ß1 Accelerates Bone Growth Into Porous TCP-coated Scaffolds,” Transactions of Society for Biomaterials, Sydney Australia May 2004 (peer-reviewed extended abstract).
  12. Dannemann, K. A., Lankford, J., Jr.; Nicholls, A. E.; Vaidyanathan, R.; Green, C., “Dynamic compression of aluminum foam processed by a freeform fabrication technique,” AIP-Conference-Proceedings. 2004; (706) pt. 1: 549-52.
  13. John A. Szivek, Mark M. Fernandez, William A. Grana, David S. Margolis, Fernando Blumenkron Paul D. Calvert, Ranji Vaidyanathan, James B Hoying, “Tissue Engineering Studies of Cartilage and Bone for Joint Resurfacing,” Soc. for Biomaterials, Reno NV, April 2003 (peer-reviewed extended abstract).
  14. R. K. Vaidyanathan, Catherine Green, Pierre Bourque, Paul D. Calvert, John A. Szivek, Suzanne H. Maxian, “Strong porous polymer-ceramic composites by rapid prototyping for resorbable orthopedic scaffold applications,” Society for Biomaterials, Tampa Fl, March 2002 (peer-reviewed extended abstract).
  15. R. Umashankar, T.A. Anderson, C.Y. Choi, A. Ortega, R. Vaidyanathan, G. Artz, M. Platero, and R. Sharma, “Summer Engineering Academy (SEA), an innovative university-industry partnership to improve the recruitment of qualified high-school students into engineering disciplines,” Proceedings of the 2001 ASEE Annual Conference & Exposition Copyright ©2001, presented at the Annual ASEE Conference, Session 2153, Albuquerque, NM, June 24-27, 2001, American Society for Engineering Education, Washington D. C., document available in pdf form at www.asee.org/acPapers/00952_2001.PDF.

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National Academy Committee Reports
  1. “Accelerating Technology Transition: Bridging the Valley of Death for Materials and Processes in Defense Systems,” (2004); Committee on Accelerating Technology Transition, National Research Council, Washington D. C..

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Conference proceedings
  1. K. P. Bastola, S. Das, N. Evans, A. Laney, T. Bane, R. Paige, R. Vaidyanathan, “Low-cost durable composite tooling materials based on recycled post-consumer carpet materials,” proceedings of the Annual Society for Advanced Manufacturing and Processing Engineering (SAMPE) Meeting, Long Beach, CA, May 5-9, 2013.
  2. K. P. Bastola, A. Laney, T. Temesgen, K. Mishra, R. P. Singh, R. Vaidyanathan, “Interlaminar fracture toughness improvements in carbon fiber laminates through polyhedral oligomeric silsesquioxane (POSS) nanoparticles dispersed in a polymer carrier,” proceedings of the Annual Society for Advanced Manufacturing and Processing Engineering (SAMPE) Meeting, Long Beach, CA, May 5-9, 2013.
  3. K. P. Bastola, S. Gandikota, A. Laney, N. Evans, R. Paige, T. Buck, K. Mishra, R. P. Singh, R. Vaidyanathan, “Enhanced interlaminar fracture toughness of carbon fiber reinforced composites through graphene oxide additions,” proceedings of the Annual Society for Advanced Manufacturing and Processing Engineering (SAMPE) Meeting, Long Beach, CA, May 5-9, 2013.
  4. K. P. Bastola, N. Evans, A. Laney, R. Paige, S. Das, T. Buck, R.  Vaidyanathan, “Synthesis of POSS-starch derivatives as effective fillers for developing high performance composites,” proceedings of the Annual Society for Advanced Manufacturing and Processing Engineering (SAMPE) Meeting, Long Beach, CA, May 5-9, 2013.
  5. K. Bastola, S. Gandikota, T. Temesgen, K. Mishra, R. P. Singh, R. Vaidyanathan, “Enhanced interlaminar toughening effect of nanoparticles on carbon fiber/epoxy composites,” “Advanced composites on its way to industrialization,” proceedings of the 34th International Technical Conference and Forum, SAMPE Europe, Paris, France, March 11 – 12, 2013.
  6. S. Das, K. Bastola and R. Vaidyanathan, “Impact of nanoclay on fire retardancy and durability of post consumer carpet composites,” proceedings of the Society of Advanced Manufacturing and Processing Engineering (SAMPE) 2012 Meeting, Charleston, SC, October 22-25, 2012.
  7. S. Das, K. Bastola, R. Vaidyanathan, “Low-cost composite tooling materials based on recycled post-consumer carpet,” proceedings of the Annual Society for Advanced Manufacturing and Processing Engineering (SAMPE) Meeting, Baltimore, MD, May 21-24, 2012.
  8. T. Temesgen, R. Vaidyanathan and S. N. Patankar, “Enhanced mode I fracture toughness of carbon fiber epoxy laminates via polyhedral oligomeric silsesquioxanes (POSS) modified interlaminar interfaces,” proceedings of the Society of Advanced Manufacturing and Processing Engineering (SAMPE) 2011 Meeting, Fort Worth, TX, October 17-20, 2011.
  9. K. Lakshminarayanan, M. Jain and R. Vaidyanathan, “Blending and exfoliation of nanoclay for use as nanocomposite filler,” proceedings of the Annual Society for Advanced Manufacturing and Processing Engineering (SAMPE) Meeting, Long Beach, CA, May 23-26, 2011.
  10. K. Lakshminarayanan, R. Vaidyanathan, M. S. High, A. Abbaszadeh, T. Ley, “Scaling up of manufacturing processes for recycled carpet based composites,” proceedings of the Annual SAMPE Meeting, Long Beach, CA, May 23-26, 2011.
  11. S. Gandikota, R. Vaidyanathan, S. Patankar, “Graphene oxide nano-composite films and sprays for fracture toughness improvements in carbon/epoxy composites,” proceedings of the Annual SAMPE Meeting, Long Beach, CA, May 23-26, 2011.
  12. A. Bhadra, G. Pandey, R. Vaidyanathan, and R. P. Singh, “Mechanical properties of sandwich composites from recycled tires,” proceedings of the 41st International SAMPE Technical Conference, Wichita, KS, October 2009.
  13. A. Jain, G. Pandey, R. Vaidyanathan, and R. P. Singh, “The effect of different matrix materials on the properties of structural composites fabricated from waste carpet,” proceedings of the 41st International SAMPE Technical Conference, Wichita, KS, October 2009.
  14. G. Pandey, A. Bhadra, R. Vaidyanathan and R. P. Singh, “Novel technique for fabricating open cell foam core sandwich composites,” proceedings of the Annual SAMPE 2009 - Baltimore, MD - May 18-21, 2009.
  15. A. K. Singh, A. Jain, R. Vaidyanathan, and R. P. Singh, “Structural composites from recycled carpet,” proceedings of the Annual SAMPE 2009 - Baltimore, MD - May 18-21, 2009.
  16. R. Vaidyanathan, J. Blaine, M. Patterson, J. Campbell, E. V. Barrera, D. Chakravarthi, Q. Zeng, A. Rasheed, M. L. Shofner, and S. Kumar, “Nano-composite materials for lightning strike mitigation and EMI shielding,” proceedings of the 39th International SAMPE Technical Conference, Cincinnati, OH, October 2007.
  17. L. Pena-Paras, D. Chakravarthi, V. Khabashesku, Q. Zeng, K. Lozano, R. Vaidyanathan, C. Bisch, and E. V. Barrera, “Carbon nanotube polymer composites: A study on electrical conductivity,” proceedings of the 38th International SAMPE Technical Conference - Dallas, Texas - Nov 6-9, 2006.
  18. R. Vaidyanathan, J. Campbell, C. Bisch, B. Williams, M. Stoltenberg, J. Rossfeldt, and S. Hisada, “Fabrication processes for water-soluble tooling parts for filament winding, RTM and VARTM,” proceedings of the 2006 SAMPE Japan, Kyoto, July 13-14, 2006.
  19. N. Lei, A. Ortega, R. Vaidyanathan, C. Bisch, “Experimental and numerical study of liquid cooling with mult-layer SiC microchannel heat sinks,” proceedings of ITHERM 2006, San Diego, CA, May 30-June 2, 2006.
  20. R. Vaidyanathan, J. Campbell, C. Bisch, J. Rossfeldt, S. Yarlagadda, “Castable and machinable water-soluble tooling materials for elevated temperature resin matrix systems,” proceedings of the 2006 Annual SAMPE meeting, Long Beach, CA, May 2-5, 2006.
  21. R. Vaidyanathan, J. Campbell, C. Bisch, B. Williams, M. Stoltenberg, J. Rossfeldt, L. Atz,  - “Fabrication processes for water-soluble tooling parts for filament winding, RTM and VARTM,” proceedings of the 2006 SAMPE Europe meeting, Paris, March 25-27, 2006.
  22. R. Vaidyanathan, C. Bisch, M. Stoltenberg, D. Chakaravarthi, Q. Zeng, E. V. Barrera, “Multi-functional polymer nanocomposites with high temperature resin matrices,” proceedings of the International SAMPE Technical Conference, 2005, Seattle, November 1-4, (ITAR Restricted Presentation).
  23. R. Vaidyanathan, J. Campbell, R. Lopez, J. Halloran, S. Yarlagadda and J. W. Gillespie, Jr., “Water-soluble tooling materials for filament winding and VARTM,” proceedings of the Annual SAMPE meeting, Long Beach, CA, May 1-5, 2005.
  24. A. Abu Obaid, S. Andersen, J. Gillespie, R. Vaidyanathan, L. Studley, “Investigation of thermal and acoustic performance of aerogel-based glass fiber composites,” proceedings of the Annual SAMPE meeting, Long Beach, CA, May 1-5, 2005.
  25. R. Vaidyanathan, T. Phillips, J. Halloran, W. Porter, L. Reister, M. Radovic, E. Lara-Curzio, “Mechanical and Thermal Properties of Non-Aqueous Gel-Cast Celsian and Sialon Ceramic Materials,” Ceramic Engineering and Science Proceedings - Mechanical Properties and Performance of Engineering Ceramics and Composites, pp. 253-263, Volume 26, Issue 2, 2005.
  26. Wilkins, R. ; Pulikkathara, M.X.; Khabashesku, V.N.; Barrera, E.V.; Vaidyanathan, R.K.; Thibeault, S.A. “Ground-Based Space Radiation Effects Studies on Single-Walled Carbon Nanotube Materials,” Materials for Space Applications Symposium, edited by Chipara, M.; Edwards, D.L.; Benson, R.S.; Phillips, S.Boston, MA, USA, pp. 267-78, (2005).
  27. P. Skandakumaran, A. Ortega, T. Jamal-Eddine, R. Vaidyanathan, “Multi-Layered SiC Microchannel Heat Sinks – Modeling and Experiment,” proceedings of the ITHERM 2004, Las Vegas, NV, June 1-4, 2004.
  28. R. Vaidyanathan, J. Campbell, L. Studley, B. Hecht, S. Yarlagadda and J. W. Gillespie, Jr, D. Dunaj, B. Guest and R. Saenz, “Water-soluble tooling materials for complex polymer composite components – an update,” proceedings of the 2004 Annual SAMPE meeting, Long Beach, CA, May 2004.
  29. R. Vaidyanathan, B. Hecht, A. Studley, T. Phillips, P. D. Calvert, “Resorbable polymer-ceramic composites for orthopedic scaffold applications,” Ceramic Engineering and Science Proceedings. Vol. 25, no. 4, pp. 529-536, 2004.
  30. Pulikkathara, M.X.; Shofner, M.L.; Wilkins, R.T.; Vera, J.G.; Barrera, E.V.; Rodriguez-Macias, F.J.; Vaidyanathan, R.K.; Green, C.E.; Condon, C.G., “Fluorinated single wall nanotube/polyethylene composites for multifunctional radiation protection,” Proceedings of the Nanomaterials for Structural Applications Symposium, edited by Berndt, C.C.; Fischer, T.E.; Ovidko, I.; Skandan, G.; Tsakalakos, T., Materials Research Society, Volume 740, pp. 365-70, (2003).
  31. R. Vaidyanathan, C. Green, T. Phillips, E. Barrera, M. Shofner, R. Wilkins, S.Thiebault, “Carbon nanotube reinforced polymers for radiation shielding applications,” proceedings of the 35th International SAMPE Technical Conference, Dayton, OH, September 1-4, 2003.
  32. R. Vaidyanathan, C. Green, T. Phillips, M. Effinger, S. Yarlagadda, J. Gillespie, “Rapid prototyping of ceramic matrix composite materials,” proceedings of the 35th International SAMPE Technical Conference, Dayton, OH, September 1-4, 2003.
  33. R. Vaidyanathan, J. Campbell, G. Artz, S. Yarlagadda and J. W. Gillespie, Jr., D. Dunaj, B. Guest, K. L. Nesmith, “A water-soluble tooling material for complex composite components and honeycombs,” proceedings of the SAMPE 2003, Advancing Materials in the Global Economy: Applications, Emerging Markets and Evolving Technologies, Long Beach Convention Center, Long Beach, CA, May 11-15. 2003.
  34. R. Vaidyanathan, C. Green, T. Phillips, S. Yarlagadda, J. W. Gillespie, Jr. and M. Effinger, “Automated Tow Placement of Continuous Fiber Reinforced Ceramic Composites,” SAMPE 2003, Advancing Materials in the Global Economy: Applications, Emerging Markets and Evolving Technologies, Long Beach Convention Center, Long Beach, CA, May 11-15. 2003.
  35. S. Yarlagadda, H. J. Kim, J. W. Gillespie, R. Vaidyanathan, G. Artz and J. Campbell, “A. Low-cost, recyclable water-soluble mandrel material for fabricating complex polymer composite components,” proceedings of the SAMPE Europe Conference and Exhibition, Paris, France (2003).
  36. R. Vaidyanathan, J. L. Lombardi, G. Artz, S. Yarlagadda, J. Gillespie “A water-soluble mandrel material for fabricating complex polymer composite components,” pp. 1316-1320, Proc. of the 46th Inter. SAMPE Symposium Series, Vol. 46, Long Beach, CA, May 6 10, 2001.
  37. R. Vaidyanathan, J. L. Lombardi, J. Walish, S. Kasichainula, P. Calvert, and K. Cooper, “Extrusion Freeform Fabrication of functional silicon nitride parts,” Ceramic Engineering and Science Proceedings Vol. 21 [4], pp. 121-128, (2000).
  38. “Application of Design of Experiments to EFF of functional ceramic prototypes,” J. Walish, M. Sutaria, M. Daugherty, R. Vaidyanathan, J. Peng, P. Calvert, K. Cooper, Ceramic Engineering and Science Proceedings Vol. 21, no. 3, pp. 271-278. 2000.

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Patents

  1. R. Vaidyanathan, J. Campbell, “Method for manufacturing lightning strike mitigation composites,” U. S. Patent No. 8,158,045, April 17, 2012.
  2. E. V. Barrera, R. Wilkins, M. Shofner, M. Pulikkathara, R. Vaidyanathan, “Functionalized carbon nanotube polymer composites and interactions with radiation,” European Patent EP1581586 B1, November 3, 2010.
  3. E. V. Barrera, R. Wilkins, M. Shofner, M. X. Pulikkathara, R. Vaidyanathan, “Functionalized carbon nanotube-polymer composites and interactions with radiation,” U.S. Patent No. 7,744,844, June 29, 2010.
  4. A. C. Mulligan, J. Halloran, D. Popovich, M. J. Rigali, M. P. Sutaria, R. Vaidyanathan, M. L. Fulcher, K. L. Knittel, “Multi-functional composite structures,” U.S. Patent No. 7,704,594, April 27, 2010.
  5. E. V. Barrera, R. Wilkins, M. Shofner, M. X. Pulikkathara, R. Vaidyanathan, “Functionalized carbon nanotube-polymer composites and interactions with radiation,” U.S. Patent No. 7,407,640, August 5, 2008.
  6. A. C. Mulligan, M. J. Rigali, M. P. Sutaria, G. J. Artz, F. H. Gafner, R. Vaidyanathan, “Methods for preparation of three-dimensional bodies," U. S. Patent No. 7,387,757, June 17, 2008.
  7. R. Vaidyanathan, A. Ortega, M. Platero, P. Skandakumaran, C. Bower, "Method of manufacturing micro-channel heat exchangers," U. S. Patent No. 7,360,309, April 22, 2008.
  8. R. Vaidyanathan, C. Green, J. Gillespie, Jr., S. Yarlagadda, G. J. Artz, “Composite components with integral protective casings,” U. S. Patent No. 6,935,594, August 30, 2005.
  9. R. Vaidyanathan, J. Walish, M. Fox, J. Gillespie, Jr., S. Yarlagadda, M. Effinger, A. C. Mulligan, M. J. Rigali, “Continuous fiber reinforced composites and methods, apparatuses, and compositions for making the same,” U. S. Patent No. 6,899,777, May 31, 2005.
  10. G. J. Artz, R. Vaidyanathan, M. L. Fulcher, M. J. Rigali, J. L. Lombardi, J. Walish, R. A. Cipriani, “Method for preparation of metallic and ceramic foam products and products made,” U. S. Patent No. 6,852,272, February 8, 2005.
  11. G. J. Artz, J. L. Lombardi, R. Vaidyanathan, J. Walish, “Water-soluble tooling materials for composite structures,” U. S. Patent No. 6,828,373, December 7, 2004.
  12. Anthony C. Mulligan, J. Halloran, D. Popovich, M. J. Rigali, M. P. Sutaria, R. Vaidyanathan, M. L. Fulcher, K. L. Knittel, “Multi-functional composite structures,” U. S. Patent No. 6,805,946, October 19, 2004.
  13. Anthony C. Mulligan, M. J. Rigali, M. P. Sutaria, G. J. Artz, F. H. Gafner, R. Vaidyanathan, “Methods of preparation of three-dimensional bodies,” U. S. Patent No. 6,797,220, September 28, 2004.
  14. R. Vaidyanathan, J. L. Lombardi, J. Walish, R. A. Cipriani, “Method for preparation of metallic foam products and products made,” U. S. Patent No. 6,524,522, February 25, 2003.
  15. J. C. Withers, R. O. Loutfy, W. Kowbel, C. Bruce, R. Vaidyanathan, “Process of making carbon-carbon composites,” U. S. Patent No. 6,051,167, April 18, 2000.
  16. J. C. Withers, R. O. Loutfy, W. Kowbel, C. Bruce, R. Vaidyanathan, “Carbon composites,” Canadian Patent No. CA 2335427, August 14, 2007.
  17. J. C. Withers, R. O. Loutfy, W. Kowbel, C. Bruce, R. Vaidyanathan, “Carbon composites,” European Patent No. EP 0991610 B1, December 15, 2004.

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Patent Applications

  1. A. K. Singh, G. Pandey, R. Vaidyanathan, and R. P. Singh, “Fabrication Method of Multi-functional Composites from Pre/Post-Customer Carpet,” U.S. Patent Application No. 12/695730, August 5, 2010 – patent allowed.
  2. E. V. Barrera, R. Wilkins, M. Shofner, M. Pulikkathara, R. Vaidyanathan, “Functionalized carbon nanotube polymer composites and interactions with radiation,” U. S. Divisional Patent Application No. 12/163768, June 27, 2008.
  3. R. Vaidyanathan, A. Ortega, M. Platero, P. Skandakumaran, C. Bower, “Micro-channel heat exchangers and methods of manufacturing the same,” PCT Patent Application No. PCT/US04/02552, January 28, 2004.
  4. E. V. Barrera, R. Wilkins, M. Shofner, M. Pulikkathara, R. Vaidyanathan, “Functionalized carbon nanotube polymer composites and interactions with radiation,” European Patent Application EP 2258762 A1, November 25, 2003.
  5. E. V. Barrera, R. Wilkins, M. Shofner, M. Pulikkathara, R. Vaidyanathan, “Functionalized carbon nanotube polymer composites and interactions with radiation,” European Patent Application EP 2258763 A1, November 25, 2003.
  6. G. J. Artz, J. L. Lombardi, R. Vaidyanathan, J. Walish, “Water-soluble tooling materials for composite structures,” Japan Patent Application No. 2002-571275, September 5, 2003.
  7. Anthony C. Mulligan, J. Halloran, D. Popovich, M. J. Rigali, M. P. Sutaria, R. Vaidyanathan, M. L. Fulcher, K. L. Knittel, “Multi-functional composite structures,” PCT Application No. PCT/US02/38648, December 4, 2002.
  8. G. J. Artz, J. L. Lombardi, R. Vaidyanathan, J. Walish, “Water-soluble tooling materials for composite structures,” EPO Application No. 02726601.4, March 7, 2002.

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