Pammer; Walter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pammer; Walter.The latest application filed is for "method and apparatus for protecting transistors".
- Pammer; Walter - Bad Hall N/A AT
| Patent | Date |
|---|---|
| Method and apparatus for protecting transistors Grant 9,000,830 - Pirchenfellner , et al. April 7, 2 | 2015-04-07 |
| Method And Apparatus For Protecting Transistors App 20120032729 - Pirchenfellner; Jurgen ; et al. | 2012-02-09 |
| Method and circuit for contactless ignition of a welding arc with high frequency ignition pulse packets Grant 7,638,734 - Prinz , et al. December 29, 2 | 2009-12-29 |
| Method and circuit for contactless ignition of a welding arc with high frequency ignition pulse packets App 20070102405 - Prinz; Andreas ; et al. | 2007-05-10 |
| Voltage switch-over device Grant 6,549,441 - Aigner , et al. April 15, 2 | 2003-04-15 |
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