Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12280441 | Swirl ring and contact element for a plasma arc torch cartridge | Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, David Agan +2 more | 2025-04-22 |
| 11684995 | Cost effective cartridge for a plasma arc torch | Yu Zhang, Zheng Duan, Garrett Quillia, Brett A. Hansen | 2023-06-27 |
| 11432393 | Cost effective cartridge for a plasma arc torch | Zheng Duan, Yu Zhang, Jesse A. Roberts, Eric Streit, Brandon Mason +1 more | 2022-08-30 |
| 10912183 | Swirl ring and contact element for a plasma arc torch cartridge | Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, David Agan +2 more | 2021-02-02 |
| 10335888 | Swirl ring and contact element for a plasma arc torch cartridge | Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, David Agan +2 more | 2019-07-02 |
| 9908195 | Plasma cutting system with efficient components | Jesse A. Roberts, Shreyansh Patel, Justin Gullotta, Qinghua Liu, Dennis M. Borowy +3 more | 2018-03-06 |
| 9736918 | Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes | Jonathan Mather, Jesse A. Roberts | 2017-08-15 |
| 8927895 | Method and apparatus for sensing the length of a lead | Peter J. Twarog | 2015-01-06 |
| 8624150 | Adapter for a plasma arc torch | Richard Joseph Simek, Jonathan Mather, Peter J. Twarog | 2014-01-07 |
| 8546718 | Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes | Jonathan Mather, Jesse A. Roberts | 2013-10-01 |
| 8541712 | Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes | Jonathan Mather, Jesse A. Roberts | 2013-09-24 |
| 8115136 | Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes | Jonathan Mather, Jesse A. Roberts | 2012-02-14 |
| 8101882 | Plasma torch electrode with improved insert configurations | Jonathan Mather, David J. Cook, David L. Bouthillier, John Sobr | 2012-01-24 |
| 8035055 | Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes | Peter J. Twarog, Jonathan Mather, Jesse A. Roberts | 2011-10-11 |
| 6852943 | Strain relief mechanism for a plasma arc torch | Ronald E. Morris | 2005-02-08 |
| 6472631 | Strain relief mechanism for a plasma arc torch | Ronald E. Morris | 2002-10-29 |
| 6084199 | Plasma arc torch with vented flow nozzle retainer | Jon W. Lindsay, Michael W. Vandiver | 2000-07-04 |
| 5886315 | Blow forward contact start plasma arc torch with distributed nozzle support | Zhipeng Lu, Jon W. Lindsay, Michael F. Kornprobst | 1999-03-23 |