Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7077111 | Variable purge orifice assembly | William R. Robertson, Charles H. Covert | 2006-07-18 |
| 5776227 | Vapor storage canister with foam screen retainer | Thomas Charles Meiller, Timothy Michael Beadnell, Charles H. Covert, Robert A. Zaso | 1998-07-07 |
| 5776228 | Vapor storage canister with foam screen retainer | Thomas Charles Meiller, Timothy Michael Beadnell, Charles H. Covert, Robert A. Zaso | 1998-07-07 |
| 5289811 | Purge control device | Charles H. Covert, Joseph Fornuto, William E. Gifford, Otto Muller-Girard, Jr. | 1994-03-01 |
| 5119791 | Vapor storage canister with liquid trap | William E. Gifford, Otto M. Girard, Jr., Charles H. Covert, Samuel Yu, Richard H. Simons, Jr. | 1992-06-09 |
| 4853009 | Multi orientation fuel vapor storage canister assembly | Kenneth W. Turner, Richard H. Simons, Jr. | 1989-08-01 |
| 4714485 | Fuel vapor storage canister | Charles H. Covert, William E. Gifford, Craig G. Kemler | 1987-12-22 |
| 4699176 | Air control valve assembly | — | 1987-10-13 |
| 4358927 | Pressure operated proportional air management valve | Edward G. Day, Edward H. Seidewand | 1982-11-16 |
| 4342194 | Electric air control switching valve | John E. Jones | 1982-08-03 |