Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689983 | Torch handle gas control | Kevin Horner-Richardson, Shiyu Chen, Joseph P. Jones, Kevin J. Kinderson, Darrin H. MacKenzie +1 more | 2004-02-10 |
| 6670572 | Solenoid control and safety circuit system and method | Stephen W. Norris, David A. Tatham | 2003-12-30 |
| 6498316 | Plasma torch and method for underwater cutting | Barry Aher, Kevin Horner-Richardson | 2002-12-24 |
| 5961855 | Low voltage electrical based parts-in-place (PIP) system for contact start torch | Murray Michaels | 1999-10-05 |