Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D451355 | Pair of training scissors | James A. Dean | 2001-12-04 |
| 5653202 | Intake manifold system | — | 1997-08-05 |
| 5609021 | Operation of an internal combustion engine | — | 1997-03-11 |
| 5524434 | Internal combustion engine | — | 1996-06-11 |
| 5518092 | Phase change mechanism | — | 1996-05-21 |
| 5465574 | Catalytic converter | — | 1995-11-14 |
| 5425233 | Operation of an internal combustion engine | Nicholas Collings | 1995-06-20 |
| 5379735 | Tuned intake system | — | 1995-01-10 |
| 5357919 | Hydrocarbon emission control | — | 1994-10-25 |
| 5297507 | Internal combustion engine having variable event timing | — | 1994-03-29 |
| 5180559 | Emission control | — | 1993-01-19 |
| 5161493 | Phase change mechanism | — | 1992-11-10 |
| 5128583 | Spark plug insulator structure | — | 1992-07-07 |
| 5101776 | Engine with variable compression ratio | — | 1992-04-07 |
| 5085177 | Manifold tuning | — | 1992-02-04 |
| 5067459 | Fuel timing control | — | 1991-11-26 |
| 5066023 | Ionization sensor | — | 1991-11-19 |
| 5056478 | Variable camshaft phasing mechanism | — | 1991-10-15 |
| 4934211 | Crank mechanism | — | 1990-06-19 |
| 4616606 | Internal combustion engine and cam drive mechanism therefor | — | 1986-10-14 |
| 4594972 | Valve mechanism | — | 1986-06-17 |
| 4577598 | Internal combustion engine and cam drive mechanism therefor | — | 1986-03-25 |
| 4567871 | Fuel distribution and metering | — | 1986-02-04 |
| 4543918 | Intake manifold for an internal combustion engine | — | 1985-10-01 |
| 4535738 | Engine control systems | — | 1985-08-20 |