Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9463521 | Methods and apparatus for improved low current AC/DC TIG welding and starting | — | 2016-10-11 |
| 9421630 | Methods and apparatus for improved low current AC/DC TIG welding and starting | — | 2016-08-23 |
| 8476554 | Methods and apparatus for improved low current AC/DC TIG welding and starting | — | 2013-07-02 |
| 7442898 | Welding accessory arrangement | Ignatius L. Di Novo, Don Hohman | 2008-10-28 |
| 7280331 | Power reconnect and voltage control | — | 2007-10-09 |
| 7241973 | Welding accessory arrangement | Ignatius L. Di Novo, Don Hohman | 2007-07-10 |
| 7238916 | Robotic welding cell unit | Samir F. Farah, Ignatius L. DiNovo, Roy R. Scripp, William T. Matthews | 2007-07-03 |
| 7109437 | Electric ARC welder with background current | — | 2006-09-19 |
| 6992266 | Welding accessory arrangement | Ignatius L. Di Novo, Don Hohman | 2006-01-31 |
| 6930282 | Welding accessory arrangement | Ignatius L. Di Novo, Don Hohman | 2005-08-16 |
| 6750409 | Power switch for welder | — | 2004-06-15 |
| 6596972 | Welding accessory arrangement | Ignatius L. Di Novo, Don Hohman | 2003-07-22 |
| 6570129 | Protection device for dual stage power supply | — | 2003-05-27 |
| 6420680 | Welder foot pedal | — | 2002-07-16 |
| 6388232 | Starting and welding device for DC TIG welder and method of operating same | Trang Nguyen | 2002-05-14 |
| 5060882 | Wire supply reel support device | Eric Rousculp, Lee E. Seufer | 1991-10-29 |
| 4247751 | Automatic presettable welding system | Theodore Ashton, William E. Klinger | 1981-01-27 |