Issued Patents All Time
Showing 76–100 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684253 | Differential pressure sensor with stress reducing pressure balancing means | D. Joseph Maurer | 1997-11-04 |
| 5533393 | Determination of dew point or absolute humidity | Nobuaki Honda, David Kubisiak, Thomas Ohnstein | 1996-07-09 |
| 5486107 | Determination of fuel characteristics | — | 1996-01-23 |
| 5441597 | Microstructure gas valve control forming method | Thomas Ohnstein | 1995-08-15 |
| 5401162 | Microbridge-based combustion control | — | 1995-03-28 |
| 5389225 | Solid-state oxygen microsensor and thin structure therefor | Roger L. Aagard, Barrett E. Cole | 1995-02-14 |
| 5389218 | Process for operating a solid-state oxygen microsensor | Spencer B. Schuldt, Barrett E. Cole, Edward R. Ule | 1995-02-14 |
| 5323999 | Microstructure gas valve control | Thomas Ohnstein | 1994-06-28 |
| 5311447 | On-line combustionless measurement of gaseous fuels fed to gas consumption devices | — | 1994-05-10 |
| 5303167 | Absolute pressure sensor and method | — | 1994-04-12 |
| 5282948 | Rugged 02 microsensor | Barrett E. Cole, Khanh Q. Nguyen | 1994-02-01 |
| 5249462 | Safe channel design for flow sensor chip microbridges | — | 1993-10-05 |
| 5235844 | Multiple gas property sensor | Robert J. Matthys, David Kubisiak | 1993-08-17 |
| 5237523 | Flowmeter fluid composition and temperature correction | David Kubisiak | 1993-08-17 |
| 5220830 | Compact gas flow meter using electronic microsensors | — | 1993-06-22 |
| 5187674 | Versatile, overpressure proof, absolute pressure sensor | — | 1993-02-16 |
| 5176358 | Microstructure gas valve control | Thomas Ohnstein | 1993-01-05 |
| 5177696 | Method of determination of gas properties at reference conditions | — | 1993-01-05 |
| 5085576 | Apparatus and method for detecting leaks in a system for delivering gaseous fuel | George J. Tate, Edward L. Schwarz | 1992-02-04 |
| 5082242 | Electronic microvalve apparatus and fabrication | Thomas Ohnstein | 1992-01-21 |
| 5055690 | Method of eliminating water vapor interference in detecting gases | — | 1991-10-08 |
| 5038304 | Calibration of thermal conductivity and specific heat devices | — | 1991-08-06 |
| 4996431 | Selective gas detecting apparatus | Robert J. Matthys | 1991-02-26 |
| 4961348 | Flowmeter fluid composition correction | — | 1990-10-09 |
| 4958076 | Selective natural gas detecting apparatus | Robert J. Matthys | 1990-09-18 |