Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5048560 | Sealing valve assembly | Louis J. Jannotta | 1991-09-17 |
| 4881571 | Modulating pressure operated pilot relief valve | — | 1989-11-21 |
| 4791955 | Modulating pressure operated pilot relief valve | — | 1988-12-20 |
| 4722361 | Modulating pressure operated pilot relief valve | — | 1988-02-02 |
| 4615356 | Modulating pressure operated pilot relief valve | — | 1986-10-07 |
| 4410005 | Pilot operated relief valve | — | 1983-10-18 |
| 4402341 | Pilot operated relief valve | — | 1983-09-06 |
| 4390041 | Pilot operated relief valve | — | 1983-06-28 |
| 4355657 | Pilot operated relief valve | — | 1982-10-26 |
| 4303003 | Switching valve | — | 1981-12-01 |
| 4220074 | Switching valve | — | 1980-09-02 |