Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12123535 | Expandable pipe including a liner for restoring a conduit | Clinton Edward Llewellyn, Alfred G. Hering, John Harry Camp | 2024-10-22 |
| 11204125 | Expandable pipe including a liner for restoring a conduit | Clinton Edward Llewellyn, Alfred G. Hering, John Harry Camp | 2021-12-21 |
| 10578240 | Expandable pipe including a liner for restoring a conduit | Clinton Edward Llewellyn, Alfred G. Hering, John Harry Camp | 2020-03-03 |
| 6786559 | Conductive wheel | Michael T. Kidd | 2004-09-07 |
| 5487457 | Pressure activated rotary clutch | — | 1996-01-30 |