Studtmann; George H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Studtmann; George H..The latest application filed is for "solid state current controlled interruption system".
- Studtmann; George H. - Mount Prospect IL
- Studtmann; George H. - Mt. Prospect IL
| Patent | Date |
|---|---|
| Solid state current controlled interruption system Grant 5,216,352 - Studtmann , et al. June 1, 1 | 1993-06-01 |
| Fail-resistant solid state interruption system Grant 5,170,310 - Studtmann , et al. December 8, 1 | 1992-12-08 |
| Variable force solenoid hydraulic control valve Grant 5,110,087 - Studtmann , et al. May 5, 1 | 1992-05-05 |
| Solenoid operated hydraulic control valve Grant 5,106,053 - Miller , et al. April 21, 1 | 1992-04-21 |
| Driver for high speed solenoid actuator Grant 4,949,215 - Studtmann , et al. August 14, 1 | 1990-08-14 |
| Voltage-controlled, inverter-motor system Grant 4,511,835 - Studtmann April 16, 1 | 1985-04-16 |
| Starting system for chopper controlled motor-commutated thyristor inverter Grant 4,488,101 - Studtmann December 11, 1 | 1984-12-11 |
| Pulse-width modulated inverter system and method Grant 4,291,368 - Yarema , et al. September 22, 1 | 1981-09-22 |
| Fault protection circuit Grant 4,139,885 - Overzet , et al. February 13, 1 | 1979-02-13 |
| Control system for adjusting a-c motor speed at line frequency or a subharmonic of the line frequency Grant 3,908,158 - Studtmann September 23, 1 | 1975-09-23 |
| Ac-dc Generating System Grant 3,829,758 - Studtmann August 13, 1 | 1974-08-13 |
| Thyristor With Added Gate And Fast Turn-off Circuit Grant 3,638,042 - Studtmann January 25, 1 | 1972-01-25 |
| Static Transfer Switching System Grant 3,634,701 - Studtmann January 11, 1 | 1972-01-11 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 