Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5203808 | Water bed with compact built-in drain pump | — | 1993-04-20 |
| 5203438 | Beam mounted friction pads for use in friction brakes and clutches | — | 1993-04-20 |
| 5165140 | Vacuum belt drive train | — | 1992-11-24 |
| 5156443 | Sealed roller assembly | — | 1992-10-20 |
| 5142174 | Low-profile disk drive motor with deflecting-pad bearings | — | 1992-08-25 |
| 5139400 | Progressive cavity drive train | — | 1992-08-18 |
| 5136739 | Water bed with built-in drain pump | — | 1992-08-11 |
| 5137373 | Bearings having beam mounted bearing pads and methods of making same | — | 1992-08-11 |
| 5135060 | Articulated coupling for use with a downhole drilling apparatus | — | 1992-08-04 |
| 5125754 | Multi-deflection pad hydrodynamic thrust and journal bearings having a modular construction | — | 1992-06-30 |
| 5112143 | Beam mounted bearing pad and methods of making same | — | 1992-05-12 |
| 5102237 | Self positioning beam mounted bearing and bearing and shaft assembly including the same | — | 1992-04-07 |
| 5102236 | Hydrodynamic bearings having a continuous beam mounted support surface | — | 1992-04-07 |
| 5096004 | High pressure downhole progressive cavity drilling apparatus with lubricating flow restrictor | — | 1992-03-17 |
| 5066144 | Hydrodynamic bearings having a continuous beam mounted support surface | — | 1991-11-19 |
| 5054938 | Hydrodynamic bearings having beam mounted bearing pads and sealed bearing assemblies including the same | — | 1991-10-08 |
| 5048622 | Hermetically sealed progressive cavity drive train for use in downhole drilling | — | 1991-09-17 |
| 5048981 | Modular drop-in sealed bearing assembly for downhole drilling motors | — | 1991-09-17 |
| 5033871 | Extrudable multi-rigidity hydrodynamic bearing and method of making the same | — | 1991-07-23 |
| 5013947 | Low-profile disk drive motor | — | 1991-05-07 |
| 5007491 | Downhole drilling apparatus progressive cavity drive train with sealed coupling | — | 1991-04-16 |
| 5007490 | Progressive cavity drive train with elastomeric joint assembly for use in downhole drilling | — | 1991-04-16 |
| 4877257 | Piston ring | — | 1989-10-31 |
| 4810170 | Jet pump | — | 1989-03-07 |
| 4738453 | Hydrodynamic face seal with lift pads | — | 1988-04-19 |