Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34518 | Vacuum actuated tank vapor vent valve | Charles H. Covert, Kenneth W. Turner, William E. Gifford, Richard W. Wagner | 1994-01-25 |
| 5122172 | Vapor canister with carbon loading maintenance | Otto Muller-Girard, Jr. | 1992-06-16 |
| 5103877 | Vapor-liquid separator for evaporative emissions control system | Kenenth W. Turner | 1992-04-14 |
| 5054520 | Remotely actuated fuel tank vapor vent valve | Kenneth W. Turner, Patti S. DuBois, Charles H. Covert | 1991-10-08 |
| 5014742 | Vacuum actuated tank vapor vent valve | Charles H. Covert, Kenneth W. Turner, William E. Gifford, Richard W. Wagner | 1991-05-14 |
| 4946060 | Seal assembly for vehicle filler neck | Karen M. Meyer, Charles H. Covert, Gregory Weilnau | 1990-08-07 |
| 4917157 | Vehicle tank vapor vent valve assembly | William E. Gifford, Charles H. Covert, Kenneth W. Turner | 1990-04-17 |
| 4893643 | Tank vapor vent valve assembly with improved overfill protection | William E. Gifford, Charles H. Covert, Kenenth W. Turner | 1990-01-16 |
| D305028 | Exhaust gas recirculation valve cover | Peter R. Wendt | 1989-12-12 |
| 4765504 | Vapor venting valve for vehicle fuel system | Joseph Fornuto, Roy A. Giacomazzi | 1988-08-23 |
| 4756328 | Fuel tank protection valve | — | 1988-07-12 |
| 4756289 | Self-contained fuel pressure regulator | Jeffrey A. Rock | 1988-07-12 |
| 4747508 | Fuel tank venting | — | 1988-05-31 |
| 4724861 | Fuel tank venting | Charles H. Covert, Joseph Fornuto, Roy A. Giacomazzi, William E. Gifford | 1988-02-16 |
| 4706708 | Fuel tank venting | Joseph Fornuto, William E. Gifford, Daniel Nolan | 1987-11-17 |