Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5188462 | Lubricant system for a rotary cone rock bit | Michael Hooper | 1993-02-23 |
| 4671677 | Fluid seal with shaft excursion compensation | Hooshang Heshmat | 1987-06-09 |
| 4630943 | Ferrofluid bearing and seal apparatus | Philip Stahl, Dudley D. Fuller | 1986-12-23 |
| 4527802 | Integral magnetic fluid centrifugal high speed gas seal and method | Stanley Gray | 1985-07-09 |
| 4455026 | Vee-shaped magnetic/centrifugal seal and method of operation | Oscar Pinkus | 1984-06-19 |
| 4304411 | Magnetic/centrifugal-fluid seal | Martin W. Eusepi | 1981-12-08 |
| 4227752 | Staged bearing surface compliance for hydrodynamic fluid bearing | — | 1980-10-14 |
| 4227753 | Compliant gas thrust bearing with profiled and apertured thrust runner | — | 1980-10-14 |