Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6415656 | Onboard diagnostic misfire detection monitor for internal combustion engines | David Karl Bidner, Jerry D. Robichaux | 2002-07-09 |
| 5894727 | Method and system for generating an inferred EGO signal in an asymmetrical Y-pipe exhaust system | — | 1999-04-20 |
| 5653102 | Air/fuel control system with catalytic converter monitoring for a variable displacement engine | Daniel V. Orzel, David Karl Bidner | 1997-08-05 |
| 5617829 | Method for maintaining clean spark plugs in a variable displacement engine | David Karl Bidner, Daniel V. Orzel | 1997-04-08 |
| 5522219 | Exhaust system with bypass catalytic converter and diagnostics | Daniel V. Orzel | 1996-06-04 |
| 5385016 | Air/fuel control system responsive to duo upstream EGO sensors with converter monitoring | Daniel V. Orzel, Tri T. Truong | 1995-01-31 |
| 5381656 | Engine air/fuel control system with catalytic converter monitoring | Daniel V. Orzel, Tri T. Truong | 1995-01-17 |
| 5363646 | Engine air/fuel control system with catalytic converter monitoring | Daniel V. Orzel, Tri T. Truong | 1994-11-15 |
| 5353592 | Engine air/fuel control with monitoring | Daniel V. Orzel, Tri T. Truong | 1994-10-11 |