Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10994349 | Large diameter travelling pipe cutter | Kenneth R. Pierce, Michael W. Gearhart | 2021-05-04 |
| 10532408 | Pipe end machining device | — | 2020-01-14 |
| 10376970 | Cutting tool for a large diameter travelling pipe cutter | Kenneth R. Pierce, Michael W. Gearhart | 2019-08-13 |
| 10376963 | Pipe end machining device | — | 2019-08-13 |
| 10220456 | Large diameter travelling pipe cutter | Kenneth R. Pierce, Michael W. Gearhart | 2019-03-05 |
| 10203030 | Gearing arrangement | — | 2019-02-12 |
| 9901997 | Pipe cutting apparatus, kit, and method | Kenneth R. Pierce, Michael W. Gearhart | 2018-02-27 |
| 9849525 | Pipe cutting apparatus, kit, and method | Kenneth R. Pierce, Michael W. Gearhart | 2017-12-26 |