Issued Patents 2025
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422484 | Detecting welded relay contacts using electrical pulse | David Elmiger, Andrew E. Carlson, David M. Messersmith | 2025-09-23 |
| 12416672 | Detecting welded relay contacts using contact close time measurement | David Elmiger, Andrew E. Carlson, David M. Messersmith | 2025-09-16 |
| 12347636 | Systems and methods for detecting welded contacts in a switch system | David Elmiger, David M. Messersmith, Andrew E. Carlson | 2025-07-01 |
| 12224575 | Coordinating a sequence of opening and closing operations of poles in a solid-state circuit breaker | Aiman Kerim, Juerg Merki, Randall S. Langer, Andrew E. Carlson, David Elmiger | 2025-02-11 |
| 12198853 | Systems and methods for controlling contactor bounce | Andrew E. Carlson | 2025-01-14 |