Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292154 | Pipe coupling sleeve assembly | Daryl M. Piontek | 2025-05-06 |
| 12173819 | Pipe coupling gasket assembly | Daryl M. Piontek | 2024-12-24 |
| 10767806 | Repair clamp gasket | Daryl M. Piontek | 2020-09-08 |
| 10544894 | Repair clamp assembly | Daryl M. Piontek | 2020-01-28 |
| 10197204 | Repair clamp gasket | Daryl M. Piontek | 2019-02-05 |
| 10190714 | Extended range tapping sleeve and gasket | Daryl M. Piontek | 2019-01-29 |
| 9970584 | Repair clamp assembly | Daryl M. Piontek | 2018-05-15 |
| 9857007 | Repair clamp bolt retaining assembly | Daryl M. Piontek | 2018-01-02 |
| 9217530 | Extended range tapping sleeve and gasket | Daryl M. Piontek | 2015-12-22 |
| 8857858 | Tapping sleeve tightening assembly | Daryl M. Piontek | 2014-10-14 |