Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209698 | Pipeline isolation tool, assembly and method | — | 2025-01-28 |
| 10774975 | Pipeline tool | Dale Millward | 2020-09-15 |
| 10094507 | Pipe sealing apparatus and method | — | 2018-10-09 |
| 10001220 | Pipeline isolation check plug | — | 2018-06-19 |
| 9476522 | Pipe sealing | — | 2016-10-25 |
| 9404613 | Pipeline isolation for small bore pipe | — | 2016-08-02 |
| 9297716 | Pipe end sealing tool | — | 2016-03-29 |
| 9169956 | Pipeline isolation tool and method | — | 2015-10-27 |
| 9057447 | Low pressure hot tap pipeline isolation | — | 2015-06-16 |
| 9027602 | Isolation tool | — | 2015-05-12 |
| 8935951 | Test tool | — | 2015-01-20 |
| 8857032 | Device and method for pre-tensioning a coupling | Peter Alexander Duguid | 2014-10-14 |
| 8267124 | Pipeline isolation | — | 2012-09-18 |
| 8122774 | Test tool | — | 2012-02-28 |
| 7992594 | Sealing apparatus | — | 2011-08-09 |
| 7866347 | Isolation tool | — | 2011-01-11 |