Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11942247 | Grain oriented electrical steel with improved forsterite coating characteristics | Kimani Tirawa Partin, Christopher Mark Wilkins | 2024-03-26 |
| 9881720 | Grain oriented electrical steel with improved forsterite coating characteristics | Kimani Tirawa Partin, Christopher Mark Wilkins | 2018-01-30 |
| 7887645 | High permeability grain oriented electrical steel | Norris A. Dahlstrom, Robert J. Comstock | 2011-02-15 |
| 7377986 | Method for production of non-oriented electrical steel strip | Robert J. Comstock | 2008-05-27 |
| 7140417 | Method of continuous casting non-oriented electrical steel strip | Robert J. Comstock | 2006-11-28 |
| 7011139 | Method of continuous casting non-oriented electrical steel strip | Robert J. Comstock | 2006-03-14 |
| 6749693 | Method of producing (110)[001] grain oriented electrical steel using strip casting | Glenn S. Huppi | 2004-06-15 |
| 6739384 | Method of continuously casting electrical steel strip with controlled spray cooling | Robert S. Williams, Glenn S. Huppi | 2004-05-25 |
| 5702539 | Method for producing silicon-chromium grain orieted electrical steel | Norris A. Dahlstrom, Christopher George Klapheke | 1997-12-30 |
| 5421911 | Regular grain oriented electrical steel production process | — | 1995-06-06 |
| 5288736 | Method for producing regular grain oriented electrical steel using a single stage cold reduction | Francesco Gaudino | 1994-02-22 |
| 5116686 | Method of forming a laminate and the product thereof a laminate including a sealing agent and a bonding agent | — | 1992-05-26 |
| 5096510 | Thermal flattening semi-processed electrical steel | Dannie S. Loudermilk | 1992-03-17 |
| 5078808 | Method of making regular grain oriented silicon steel without a hot band anneal | — | 1992-01-07 |
| 5018267 | Method of forming a laminate | — | 1991-05-28 |
| 4948656 | Laminate including sealing liquid between facing surfaces of laminations | — | 1990-08-14 |
| 4898627 | Ultra-rapid annealing of nonoriented electrical steel | — | 1990-02-06 |
| 4882834 | Forming a laminate by applying pressure to remove excess sealing liquid between facing surfaces laminations | — | 1989-11-28 |
| 4718951 | Method of producing cube-on-edge oriented silicon steel from strand cast slab | — | 1988-01-12 |
| 4554029 | Local heat treatment of electrical steel | Russel L. Young | 1985-11-19 |
| 4545828 | Local annealing treatment for cube-on-edge grain oriented silicon steel | Russel L. Young | 1985-10-08 |
| 4456812 | Laser treatment of electrical steel | Gary L. Neiheisel | 1984-06-26 |