Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9484141 | Compact triangular core transformer | Pawel Klys, John Wallumrod, Robert Platek, Tomasz Nowak, Abdolhamid Shoory | 2016-11-01 |
| D674341 | Electrical transformer | Sigurdur Thorsteinsson, Richard Tinggren | 2013-01-15 |
| D666146 | Electrical transformer | Sigurdur Thorsteinsson, Richard Tinggren | 2012-08-28 |
| D656460 | Electrical transformer | Sigurdur Thorsteinsson, Richard Tinggren | 2012-03-27 |
| D635091 | Electrical transformer | Sigurdur Thorsteinsson, Richard Tinggren | 2011-03-29 |
| D622214 | Electrical transformer | Sigurdur Thorsteinsson, Richard Tinggren | 2010-08-24 |
| D613687 | Electrical transformer | Sigurdur Thorsteinsson, Richard Tinggren | 2010-04-13 |
| D594408 | Electrical transformer | Sigurdur Thorsteinsson, Richard Tinggren | 2009-06-16 |
| 7398589 | Method for manufacturing a transformer winding | Harold Younger, John Wallumrod | 2008-07-15 |
| D570282 | Electrical transformer | Sigurdur Thorsteinsson, Richard Tinggren | 2008-06-03 |
| D550155 | Electrical transformer | Sigurdur Thorsteinsson, Richard Tinggren | 2007-09-04 |
| 7260883 | Method for forming a winding for a three-phase transformer | Harold Younger, John Wallumrod | 2007-08-28 |
| D547267 | Electrical transformer | Sigurdur Thorsteinsson, Richard Tinggren | 2007-07-24 |
| D542734 | Electrical transformers | Sigurdur Thorsteinsson, Richard Tinggren | 2007-05-15 |