Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7056474 | Hydrocarbon sensor and collector | Philip Johnson | 2006-06-06 |
| 7005001 | X-spring volume compensation for automotive carbon canister | Christopher D. Allen, Donald L. Gepper | 2006-02-28 |
| 6539917 | Idle air bypass valve acoustic diverter passage | Christopher Shaw, James John Kempf | 2003-04-01 |
| 5957114 | Evaporative emission canister for an automotive vehicle | Philip Johnson, Roger Khami | 1999-09-28 |
| 5924410 | Evaporative emission canister for an automotive vehicle | Philip Johnson, Gregory Scott Green, Roger Khami | 1999-07-20 |
| 5912368 | Air filter assembly for automotive fuel vapor recovery system | Charles David Satarino, Johanne Wilson, Michael J. Cermak, Roger Khami, Neville Jimmy Bugli | 1999-06-15 |
| 5762692 | Evaporative emissions control system for automotive vehicle | Philip Johnson | 1998-06-09 |