Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9376882 | Self-energizing annular seal | David H. Theiss, Christopher George Kocurek, Terry L. Shinn, Keith Garbett | 2016-06-28 |
| 5464820 | Specific inhibitors of tissue kallikrein | Zhengxin Dong, Timothy B. Frigo | 1995-11-07 |
| 5129660 | Seal assembly for a well housing hanger structure | William M. Taylor | 1992-07-14 |
| 5110144 | Casing hanger seal assembly | Rickey D. Book | 1992-05-05 |
| 5098132 | Length compensating joint | — | 1992-03-24 |
| 4835253 | Specific inhibitors of tissue kallikrein | — | 1989-05-30 |
| 4679800 | Hawser chain seal assembly | — | 1987-07-14 |
| 4668126 | Floating drilling rig apparatus and method | — | 1987-05-26 |
| 4657263 | Annular packing unit and insert | Joseph H. Hynes | 1987-04-14 |
| 4626513 | Method and apparatus for ligand detection | Bernard Hoop, Jr. | 1986-12-02 |
| 4605195 | Annular blowout preventer packing unit | Kenneth W. Colvin, Julian D. Keithahn | 1986-08-12 |
| 4570977 | Mechanical connector apparatus | Richard B. Lee | 1986-02-18 |
| 4558750 | Method and apparatus for forming boreholes | Hubert L. Elkins, Milton E. Goodhart | 1985-12-17 |
| 4554982 | Apparatus for forming boreholes | — | 1985-11-26 |
| 4478827 | Renin inhibitors | Edgar Haber | 1984-10-23 |
| 4455303 | Renin inhibitors | — | 1984-06-19 |
| 4360226 | Roll-flex connector | — | 1982-11-23 |
| 4305428 | Surge absorber | — | 1981-12-15 |
| 4299253 | Pulsation dampener | — | 1981-11-10 |
| 4269827 | Process and composition for reducing blood pressure | Edgar Haber | 1981-05-26 |
| 4186776 | Pulsation dampener or surge absorber | — | 1980-02-05 |