Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12025583 | Method and apparatus for electromagnetic testing of pipes | Jeffrey Chak-Fai Kwan, Eric Nicholas Toffin | 2024-07-02 |
| 11674630 | Method and apparatus to detect flaws in metallic pipe | Jeffrey Chak-Fai Kwan, Hongwei Zhang, Ran Wu, Xiangjie Kong | 2023-06-13 |
| 11553264 | Surround for pipeline inspection equipment | Kyle Hentschel | 2023-01-10 |
| 11082759 | Surround for pipeline inspection equipment | Kyle Hentschel | 2021-08-03 |
| 10781978 | Detection of pipeline exposure in water crossings | John McIntyre | 2020-09-22 |
| 8601875 | Device and method to assess impairment of pipeline wall strength | — | 2013-12-10 |
| 8098063 | Untethered, unpowered, rollable device to sense condition of pipeline wall | — | 2012-01-17 |
| 7564540 | Fibre optic sensor method and apparatus | — | 2009-07-21 |
| 6791318 | Electromagnetic analysis of concrete tensioning wires | John McIntyre, Kevin Mitchell | 2004-09-14 |
| 6781369 | Electromagnetic analysis of concrete tensioning wires | John McIntyre, Kevin Mitchell | 2004-08-24 |
| 6170334 | Continuous monitoring of reinforcements in structures | — | 2001-01-09 |
| 6082193 | Pipeline monitoring array | — | 2000-07-04 |
| 5798457 | Continuous monitoring of reinforcements in structures | — | 1998-08-25 |
| 5750128 | Pesticide composition | — | 1998-05-12 |
| 5633467 | Apparatus and method for non-destructive testing of structures | — | 1997-05-27 |
| 5505019 | Pesticide applicator and composition | — | 1996-04-09 |
| 5277665 | Reactive torque control | — | 1994-01-11 |
| 4882874 | Pesticide applicator | James E. Paulson | 1989-11-28 |