Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4728125 | Grip and seal mechanically locking flowline connector | — | 1988-03-01 |
| 4671539 | Remotely operable flowline connector | — | 1987-06-09 |
| 4632432 | Remote ball connector | — | 1986-12-30 |
| 4613160 | Remotely operable pipe length connector and compensator | — | 1986-09-23 |
| 4587990 | Modular ball valve | Raymond Pennell | 1986-05-13 |
| 4541204 | Apparatus for manufacturing substantially spherical objects to a high degree of roundness | — | 1985-09-17 |
| 4523742 | Apparatus for tensioning a stud and method of doing same | — | 1985-06-18 |
| 4438901 | Apparatus for tensioning a stud and method of doing same | Bruce E. Morris | 1984-03-27 |
| 4330143 | Apparatus for connecting together flowline end portions | — | 1982-05-18 |
| 4290632 | Apparatus for connecting together flowline end portions | Luther L. Manchester | 1981-09-22 |
| 4256283 | Pivotal ball check valve | Luther L. Manchester | 1981-03-17 |
| 4223925 | Hot tap machine | Luther L. Manchester | 1980-09-23 |