Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5464228 | Restraining element for pressure pipe joints | Joe Weber | 1995-11-07 |
| 5295697 | Restraining element for pressure pipe joints | Joe Weber | 1994-03-22 |
| 5269569 | Bell lip restraining configuration for pressure pipe | Joe Weber | 1993-11-23 |
| 4867488 | Restrained joint with gripper gland | — | 1989-09-19 |
| 4756784 | Method of making pipe-joint gasket | George F. Rhodes, Gene F. Fornaro | 1988-07-12 |
| 4685705 | Large deflection pipe coupling | — | 1987-08-11 |
| 4660866 | Restrained pipe joint | Billy J. Battle | 1987-04-28 |
| 4540204 | Restrained pipe joint | Billy J. Battle, Robert M. Graham, Andrew B. Malizio, George F. Rhodes | 1985-09-10 |
| 4532957 | Guides for gate valves | Billy J. Battle | 1985-08-06 |