Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244215 | Rotary shaft seal with retractable excluder lip | Boyce J. Lear, Jr. | 1993-09-14 |
| 4504067 | High pressure shaft seal with low-friction lip liner | — | 1985-03-12 |
| 4406847 | Method for making a lip type shaft seal having a resin liner | Robert D. O'Neal, Dean R. Bainard | 1983-09-27 |
| 4359228 | Linecutter seal, apparatus and method | — | 1982-11-16 |
| 4335889 | Shaft seal with liner flange | Martin E. Benjamin | 1982-06-22 |
| 4311316 | Shaft seal and method | — | 1982-01-19 |
| 4289318 | Hydraulic motor balancing ring seal | Martin E. Benjamin | 1981-09-15 |
| 4289321 | Pressure shaft seal and method | — | 1981-09-15 |
| 4274641 | Shaft seal and method | — | 1981-06-23 |
| 4258927 | Shaft seal with retractable polytetrafluoroethylene-lined sealing lip | — | 1981-03-31 |
| 4218813 | Method and tool for installing shafts through seals | — | 1980-08-26 |