Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9863895 | Systems and methods for monitoring casing cement integrity | Shouxiang Mark Ma, Darryl E. Trcka | 2018-01-09 |
| 8545135 | Systems and methods for maintaining sheave grooves | Christian E. Thomsen, James Watson, Keegan Carriveau, Max Wilson | 2013-10-01 |
| 8469155 | Elevator life safety gate | Christian E. Thomsen, James Watson, Keegan Carriveau, Max Wilson | 2013-06-25 |
| 8336429 | Systems and methods for maintaining sheave grooves | Christian E. Thomsen, James Watson, Keegan Carriveau, Max Wilson | 2012-12-25 |