Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297938 | Conduit coupler for coupling stub end conduits | — | 2025-05-13 |
| 11231136 | Flangeless coupler fused inside opposing ends of conduits | Theodore Scofield | 2022-01-25 |
| 10240706 | Venting system for lined pipe | — | 2019-03-26 |
| 7628380 | Self-compensating packing gland | Joseph H Beaumont | 2009-12-08 |
| 6458446 | Thermoplastic sheet with textured surface for use in composite layered product with interlocking interface and method thereof | Joseph H Beaumont | 2002-10-01 |
| 5944359 | Flangeless piping system for lined pipe | — | 1999-08-31 |