Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11959577 | Insert valve and method of insertion into pressurized pipelines | — | 2024-04-16 |
| 11892115 | Valve insertion tool | — | 2024-02-06 |
| 10612672 | Pipeline control unit | — | 2020-04-07 |
| 10512950 | Valve body and method of transforming a valve body into a functioning valve | — | 2019-12-24 |
| 9004095 | Support structure for repair of pipeline controls | — | 2015-04-14 |
| 7225827 | Insertion valve and installation method | Thomas A. Sovilla | 2007-06-05 |
| 7021325 | Valve assembly and method for hot tapping a line | Thomas A. Sovilla | 2006-04-04 |
| 6983759 | Valve and method for repairing a valve under pressure | Thomas A. Sovilla | 2006-01-10 |
| 6776184 | Insertion valve and installation method | Thomas A. Sovilla | 2004-08-17 |
| 6041806 | Method and ball valve assembly for inserting a valve in a line | — | 2000-03-28 |
| 5732728 | Valve insertion method and assembly for inserting a valve in a line | — | 1998-03-31 |
| 5660199 | Method and valve for hot tapping a line | — | 1997-08-26 |
| 5611365 | Valve insertion method and assembly for inserting a valve in a line | — | 1997-03-18 |