Issued Patents All Time
Showing 1–25 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6153071 | Exhaust oxygen sensing | Ahmed Abdelaziz Omara, Richard E. Soltis | 2000-11-28 |
| 6133042 | Modulated oxygen-flux method and apparatus to improve the performance of a calorimetric gas sensor | Margherita Zanini-Fisher, Jacobus Hendrik Visser | 2000-10-17 |
| 6103098 | Method of sensing exhaust oxygen | Ahmed Abdelaziz Omara, Richard E. Soltis | 2000-08-15 |
| 5942674 | Method for detecting oxygen partial pressure using a phase-transformation sensor | Richard E. Soltis | 1999-08-24 |
| 5876673 | High sensitivity phase transformation-based oxygen sensors for proportional control | Richard E. Soltis | 1999-03-02 |
| 5831145 | Method of introducing selectivity to nonselective gas sensors | Michael D. Hurley, Richard E. Soltis | 1998-11-03 |
| 5822979 | Catalyst monitoring using a hydrocarbon sensor | Douglas R. Hamburg, Jacobus Hendrik Visser, Margherita Zanini-Fisher | 1998-10-20 |
| 5823044 | Method for selective gas sensors based on nonlinear gas reactions | Michael D. Hurley, Richard E. Soltis | 1998-10-20 |
| 5798269 | Method for detecting change in oxygen partial pressure based on metal/metal oxide phase transformations | Richard E. Soltis | 1998-08-25 |
| 5783153 | Metal oxide oxygen sensors based on phase transformation | Richard E. Soltis | 1998-07-21 |
| 5592387 | Method of operating a natural gas vehicle as a function of ambient methane concentration | Mordecai Shelef | 1997-01-07 |
| 5531879 | Hego sensor without characteristic shift down | Margherita Zanini-Fisher, Richard E. Soltis, Carlos M. Barrera | 1996-07-02 |
| 5499500 | Engine air/fuel control system with catalytic converter and exhaust gas oxygen sensor monitoring | Douglas R. Hamburg | 1996-03-19 |
| 5497618 | Air/fuel control system with catalytic converter monitoring | Alan D. Brailsford, Douglas R. Hamburg, Mohammed Yussouff | 1996-03-12 |
| 5465697 | Cold start engine air/fuel control system | Douglas R. Hamburg, Daniel Lawrence Meyer | 1995-11-14 |
| 5452576 | Air/fuel control with on-board emission measurement | Douglas R. Hamburg, Jeffrey A. Cook, Richard E. Soltis, Jacobus Hendrik Visser | 1995-09-26 |
| 5392599 | Engine air/fuel control with adaptive correction of ego sensor output | Douglas R. Hamburg | 1995-02-28 |
| 5383333 | Method for biasing a hego sensor in a feedback control system | Douglas R. Hamburg, Jeffrey A. Cook, Lajos Rimai | 1995-01-24 |
| 5379590 | Air/fuel control system with hego current pumping | Douglas R. Hamburg, Jeffrey A. Cook, Lajos Rimai | 1995-01-10 |
| 5375415 | Adaptive control of EGO sensor output | Douglas R. Hamburg | 1994-12-27 |
| 5362651 | Carbon monoxide selective sensor and method of its use | Richard E. Soltis, Jacobus Hendrik Visser | 1994-11-08 |
| 5341643 | Feedback control system | Douglas R. Hamburg, Richard E. Soltis, Jacobus Hendrik Visser | 1994-08-30 |
| 5329764 | Air/fuel feedback control system | Douglas R. Hamburg, Jeffrey A. Cook | 1994-07-19 |
| 5288375 | Method for determining relative amount of oxygen containing gas in a gas mixture | Richard E. Soltis | 1994-02-22 |
| 5281313 | Selective combustible sensor and method | Jacobus Hendrik Visser, Lajos Rimai, Richard E. Soltis | 1994-01-25 |