Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118710 | Pipe joint with low insertion load, improved retention and increased high pressure sealing ability gasket and method of manufacture thereof | — | 2021-09-14 |
| 10400924 | Pipe joint with low insertion load, improved retention and increased high pressure sealing ability gasket and method of manufacture thereof | — | 2019-09-03 |
| 10352486 | Method of manufacturing a unitary gasket using two rubber materials of different hardness | — | 2019-07-16 |
| 5520419 | Apparatus for assembling bell and spigot pipe joints | Randall C. Conner, Howard H. O'Daniel | 1996-05-28 |
| 5426842 | Method of assembling bell and spigot pipe joints | Randall C. Conner, Howard H. O'Daniel | 1995-06-27 |