Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11767454 | Production tool to make abrasive particles with grooves | John T. Boden, Dwight D. Erickson, Scott R. Culler, Negus B. Adefris | 2023-09-26 |
| 10987780 | Shaped abrasive particles with a sloping sidewall | Negus B. Adefris, Dwight D. Erickson, Scott R. Culler, John T. Boden | 2021-04-27 |
| 10293466 | Structured abrasive articles and methods of using the same | Negus B. Adefris, Scott R. Culler | 2019-05-21 |
| 9938439 | Production tool to make abrasive particles with grooves | John T. Boden, Dwight D. Erickson, Scott R. Culler, Negus B. Adefris | 2018-04-10 |
| 9890309 | Abrasive article with shaped abrasive particles with grooves | John T. Boden, Dwight D. Erickson, Scott R. Culler, Negus B. Adefris | 2018-02-13 |
| 9446502 | Shaped, fractured abrasive particle, abrasive article using same and method of making | Dwight D. Erickson, Scott R. Culler, Negus B. Adefris, John T. Boden | 2016-09-20 |
| 8845773 | Shaped abrasive particles with an opening | Dwight D. Erickson, Scott R. Culler, Negus B. Adefris, John T. Boden | 2014-09-30 |
| 8764865 | Shaped abrasive particles with grooves | John T. Boden, Dwight D. Erickson, Scott R. Culler, Negus B. Adefris | 2014-07-01 |
| 8425278 | Structured abrasive article and method of using the same | Scott R. Culler, Chaodi Li | 2013-04-23 |
| 8142531 | Shaped abrasive particles with a sloping sidewall | Negus B. Adefris, Dwight D. Erickson, Scott R. Culler, John T. Boden | 2012-03-27 |
| 8142532 | Shaped abrasive particles with an opening | Dwight D. Erickson, Scott R. Culler, Negus B. Adefris, John T. Boden | 2012-03-27 |
| 8142891 | Dish-shaped abrasive particles with a recessed surface | Scott R. Culler, Dwight D. Erickson, Negus B. Adefris, John T. Boden | 2012-03-27 |
| 8123828 | Method of making abrasive shards, shaped abrasive particles with an opening, or dish-shaped abrasive particles | Scott R. Culler, Dwight D. Erickson, Negus B. Adefris, John T. Boden | 2012-02-28 |
| 8034137 | Shaped, fractured abrasive particle, abrasive article using same and method of making | Dwight D. Erickson, Scott R. Culler, Negus B. Adefris, John T. Boden | 2011-10-11 |
| 7267700 | Structured abrasive with parabolic sides | Stanley B. Collins | 2007-09-11 |
| 6277160 | Abrasive article and method of making such article | Roy Stubbs, Scott R. Culler, Mara E. Liepa, Donna W. Bange | 2001-08-21 |
| 6080215 | Abrasive article and method of making such article | Roy Stubbs, Scott R. Culler, Mara E. Liepa, Donna W. Bange | 2000-06-27 |
| 5549961 | Abrasive article, a process for its manufacture, and a method of using it to reduce a workpiece surface | Todd J. Christianson, Wesley J. Bruxvoort | 1996-08-27 |
| 5454844 | Abrasive article, a process of making same, and a method of using same to finish a workpiece surface | Louis D. Hibbard, Stanley B. Collins | 1995-10-03 |
| 5453312 | Abrasive article, a process for its manufacture, and a method of using it to reduce a workpiece surface | Todd J. Christianson, Wesley J. Bruxvoort | 1995-09-26 |