| 6745018 |
Active cancellation of a wireless coupled transmit signal |
Ephraim Zehavi, Robert P. Gilmore, James P. K. Gilb |
2004-06-01 |
| 4804194 |
Mechanical seal lubrication improvement |
Larry A. Hufford, by Benning Wentworth, executor |
1989-02-14 |
| 4744569 |
Bellows mechanical seal with inactive diaphragms |
by Benning Wentworth, executor |
1988-05-17 |
| RE32646 |
Mechanical seals with setting block for use with slurry pumps |
— |
1988-04-19 |
| 4722534 |
Face seal with automatic face convergence means |
— |
1988-02-02 |
| 4703939 |
Mechanical seal with radially disposed bias component |
— |
1987-11-03 |
| 4653980 |
Mechanical seal for pumps and method of fabricating same |
— |
1987-03-31 |
| 4557489 |
Pressure balanced seal |
— |
1985-12-10 |
| 4537385 |
Low emission valve |
Duncan D. Bragg |
1985-08-27 |
| 4509773 |
Pump-mechanical seal construction with axial adjustment means |
— |
1985-04-09 |
| 4418919 |
Mechanical seals with setting block for use with slurry pumps |
— |
1983-12-06 |
| 4197531 |
Mechanical seal leakage alarm |
— |
1980-04-08 |
| 4183541 |
Mechanical seal assembly |
— |
1980-01-15 |