Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5183087 | Refueling vapor recovery system | Jeffrey Devall, David R. Gimby, Philip A. Shipp | 1993-02-02 | |
| 4819607 | Vapor vent valve apparatus | — | 1989-04-11 | |
| 4813453 | Vehicle fuel tank vapor recovery system | Patrick A. Jenkins | 1989-03-21 | |
| 4529346 | Securing assembly for a threaded member | Patrick A. Jenkins, Thomas Sherwood Ruffner | 1985-07-16 | $7,015,000 |
| 4391294 | Dump delay valve | — | 1983-07-05 | $14,496,000 |
| 4310016 | Differential pressure delay valve | — | 1982-01-12 | $2,086,000 |
| 4303095 | Low-differential pressure delay valve | William Hofmann Bose, James H. Burrows | 1981-12-01 | $1,495,000 |