Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11965618 | Pipe joint gasket and method of using same | — | 2024-04-23 |
| D1001980 | Gasket segment | — | 2023-10-17 |
| D1001981 | Gasket segment | — | 2023-10-17 |
| 11112043 | Restrained gasket for plastic pipes | Michael C. Keel | 2021-09-07 |
| 11105446 | Reinforced plastic pipe bell and method of making same | Charles Stirling Snow | 2021-08-31 |
| 10663095 | Restrained gasket for plastic pipes | Michael C. Keel | 2020-05-26 |
| 10619779 | Restrained gasket for plastic pipes | Michael C. Keel | 2020-04-14 |
| 10596751 | Method of manufacturing bell socketed plastic pipes | — | 2020-03-24 |
| 10436359 | Restrained plastic pipe joint and method of making same | — | 2019-10-08 |
| D857859 | Restrained gasket | Michael C. Keel | 2019-08-27 |
| D852935 | Restrained gasket | — | 2019-07-02 |
| D852335 | Restrained gasket | — | 2019-06-25 |
| D852336 | Restrained gasket | — | 2019-06-25 |
| 10328631 | Apparatus and mandrel-assisted method for forming a plastic pipe socket containing a restrained gasket | — | 2019-06-25 |
| 10288199 | Restrained plastic pipe joint and method of making same | — | 2019-05-14 |
| D846096 | Restrained gasket | — | 2019-04-16 |
| D846097 | Restrained gasket | — | 2019-04-16 |
| D846098 | Restrained gasket | — | 2019-04-16 |
| D846095 | Restrained gasket | Michael C. Keel | 2019-04-16 |
| D840515 | Gasket locking segment having single spigot tooth | Michael C. Keel | 2019-02-12 |
| D834690 | Gasket locking segment having single spigot tooth | Michael C. Keel | 2018-11-27 |
| 10107434 | High deflection Restrained pipe joint | — | 2018-10-23 |
| 10088082 | Pipe joint gasket and method of making same | — | 2018-10-02 |
| 9435471 | Pipe joint gasket and method of making same | — | 2016-09-06 |
| 9400071 | Pipe joint gasket with articulating anti-slip segments | — | 2016-07-26 |