Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7775242 | Solid state regulator for natural gas | Robert W. Arenz | 2010-08-17 |
| 6877325 | Electrocaloric device and thermal transfer systems employing the same | — | 2005-04-12 |
| 6824661 | Combined oxygen and NOx sensor | — | 2004-11-30 |
| 6690567 | Capacitive energy storage device | Charles F. Clark | 2004-02-10 |
| 6592731 | Amperometric oxygen sensor | — | 2003-07-15 |
| 6411491 | Capacitive energy storage device and method of producing the same | Charles F. Clark | 2002-06-25 |
| 6372375 | Ceramic fuel cell | — | 2002-04-16 |
| 6290757 | Nitrogen purification device | — | 2001-09-18 |
| 6033457 | Oxygen generator system and method of operating the same | — | 2000-03-07 |
| 5972182 | Electrode composition and application method for oxygen generators | — | 1999-10-26 |
| 5961929 | Top-milled channeling for removal of oxygen from an oxygen generator | — | 1999-10-05 |
| 5246729 | Method of coating superconductors with inorganic insulation | Tapan K. Gupta, George J. Bich | 1993-09-21 |
| 5222713 | Solid state regulator for natural gas | Robert W. Arenz | 1993-06-29 |
| 5212013 | Inorganic wire insulation for super-conducting wire | Tapan K. Gupta, George J. Bich | 1993-05-18 |
| 5205990 | Oxygen generator having honeycomb structure | — | 1993-04-27 |
| 5183965 | Ceramic superconducting downlead | — | 1993-02-02 |
| 4918421 | Nonlinear resistor for low temperature operation | Tapan K. Gupta | 1990-04-17 |
| 4684207 | Field dependent electrooptic device and method | — | 1987-08-04 |
| 4599677 | Capacitive energy storage device for use at cryogenic temperatures | C. Frederick Clark, Jr. | 1986-07-08 |
| 4547277 | Oxygen separator | — | 1985-10-15 |
| 4545254 | Materials and methods for pressure and temperature sensors at cryogenic temperatures | C. Frederick Clark, Jr. | 1985-10-08 |
| 4515534 | Miniature solid-state gas compressor | Leslie E. Cross, William A. Steyert | 1985-05-07 |
| 4462891 | Oxygen sensor and high temperature fuel cells | — | 1984-07-31 |
| 4396721 | Glass ceramic materials having controllable temperature coefficients of dielectric constant | — | 1983-08-02 |
| 4356235 | Thallous and cesium halide materials for use in cryogenic applications | — | 1982-10-26 |