Tatham; David A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tatham; David A..The latest application filed is for "electromechanical linearly actuated electrode".
- Tatham; David A. - Enfield NH
- Tatham; David A. - Grafton County NH
| Patent | Date |
|---|---|
| Electromechanical linearly actuated electrode Grant 10,616,988 - Raymond , et al. | 2020-04-07 |
| Automated gas cutting system with auxiliary torch Grant 10,420,200 - Lambert , et al. Sept | 2019-09-17 |
| Electromechanical Linearly Actuated Electrode App 20180368246 - Raymond; Andrew ; et al. | 2018-12-20 |
| Automated Gas Cutting System With Auxiliary Torch App 20160023295 - Lambert; Roger ; et al. | 2016-01-28 |
| Gas flow pre-charge for a plasma arc torch Grant 6,960,737 - Tatham November 1, 2 | 2005-11-01 |
| Gas flow pre-charge for a plasma arc torch App 20050045600 - Tatham, David A. | 2005-03-03 |
| Solenoid control and safety circuit system and method Grant 6,670,572 - Norris , et al. December 30, 2 | 2003-12-30 |
| Solenoid control and safety circuit system and method App 20030164359 - Norris, Stephen W. ; et al. | 2003-09-04 |
| Plasma torch electronic pulsing circuit Grant RE37,608 - Solley , et al. March 26, 2 | 2002-03-26 |
| Plasma torch arc transfer circuit Grant 5,530,220 - Tatham June 25, 1 | 1996-06-25 |
| Plasma torch electronic pulsing circuit Grant 5,170,030 - Solley , et al. December 8, 1 | 1992-12-08 |
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