Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12218389 | Bipolar plate for fuel cell | Chunchuan Xu, Zijie Lu, Jun Yang, Shinichi Hirano | 2025-02-04 |
| 11742496 | Bipolar plate for fuel cell | Chunchuan Xu, Zijie Lu, Jun Yang, Shinichi Hirano | 2023-08-29 |
| 11298740 | Vibration assisted free form fabrication | Vijitha Seraka Kiridena | 2022-04-12 |
| 10347927 | Assembly for thermal management of a fuel cell | Benjamin Pence, Michael Allen DeBolt, Valerie Anne Nelson | 2019-07-09 |
| 10195655 | Vibration assisted free form fabrication | Vijitha Seraka Kiridena | 2019-02-05 |
| 10122025 | Proton exchange membrane fuel cell with stepped channel bipolar plate | Mark Stephen Ricketts, Valerie Ann Nelson | 2018-11-06 |
| 9786928 | Proton exchange membrane fuel cell with stepped channel bipolar plate | Ronald David Brost, Thomas A. Wagner | 2017-10-10 |
| 7748590 | Ultrasonic welding apparatus | Larry Reatherford, Elizabeth Therese Hetrick, Jan Skogsmo, Joseph F. Walsh | 2010-07-06 |
| 6612479 | Apparatus and method for joining layers of materials | Oludele O. Popoola, Larry Reatherford, Jan Skogsmo, Robert M. Koehl, Ronald Cooper +1 more | 2003-09-02 |
| 6523732 | Ultrasonic welding apparatus | Oludele O. Popoola, Jan Skogsmo, Arnon Wexler, Larry Van Reatherford, Edgar de Vries | 2003-02-25 |
| 6312028 | Motor vehicle energy absorbing member | — | 2001-11-06 |
| 6306467 | Method of solid free form fabrication of objects | Dawn Roberta White, Sankaran Subramaniam | 2001-10-23 |
| 6139656 | Electrochemical hardness modification of non-allotropic metal surfaces | Matthew John Zaluzec | 2000-10-31 |
| 6091043 | Depositing metal upon an article | Dawn Roberta White, Sankaran Subramaniam | 2000-07-18 |
| 5939011 | Method for producing a mandrel for use in hot isostatic pressed powder metallurgy rapid tool making | Dawn Roberta White | 1999-08-17 |
| 5655432 | Swash plate with polyfluoro elastomer coating | Matthew John Zaluzec, Thomas Michel Dalka | 1997-08-12 |