Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11424611 | Network service and transformer safety protector | Joseph H. Groeger, Garth Norberg, Jeremy Sewell, Larry Dix, Dan Schwartz | 2022-08-23 |
| 10685778 | Intra-tank under-oil vacuum primary switches for medium voltage transformer applications | Ralph Wegner, Garth Norberg, Joseph H. Groeger, Jeremy Sewell, Larry Dix +3 more | 2020-06-16 |
| 10403426 | Fault-tolerant power transformer design and method of fabrication | Joseph H. Groeger, Ralph Wegner, Winston Madray, Garth Norberg | 2019-09-03 |
| 10217556 | Fault-tolerant power transformer design and method of fabrication | Joseph H. Groeger, Ralph Wegner, Winston Madray, Garth Norberg | 2019-02-26 |
| 7142410 | Transformer with housing and switch gear | Ian H. Norris, Michael L. Bullis, Winston Madray, Floyd E. A. Engel | 2006-11-28 |