Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065617 | Multiple diameter pipe test end closure | — | 1991-11-19 |
| 4733888 | Protector for threaded connections | — | 1988-03-29 |
| 4646559 | Apparatus and method to test a single connection between a pipe coupling and a single pipe end connected therewith | — | 1987-03-03 |
| 4646561 | Method and apparatus for hydrostatic testing of tubular member | — | 1987-03-03 |
| 4458522 | Hydrostatic pipe tester and method | — | 1984-07-10 |
| 4423648 | Pipe alignment tool | — | 1984-01-03 |
| 4423647 | Pipe alignment apparatus and method | — | 1984-01-03 |
| 4372003 | Industrial pipe thread cleaner | — | 1983-02-08 |
| 4257245 | Compression shock absorber device | J. D. Kimmel | 1981-03-24 |
| 4212240 | Trash compactor | Harlan E. Lee | 1980-07-15 |
| 4207756 | Tension shock absorber device | — | 1980-06-17 |