Heinrich; Theodore M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Heinrich; Theodore M..The latest application filed is for "converter for synchronous motor starting".
- Heinrich; Theodore M. - Murrysville PA
- Heinrich; Theodore M. - Franklin Township Cambria County
- Heinrich; Theodore M. - American Township County of Allen
| Patent | Date |
|---|---|
| Converter for synchronous motor starting Grant 5,315,225 - Heinrich , et al. May 24, 1 | 1994-05-24 |
| Reconfigurable inverter apparatus for battery-powered vehicle drive Grant 5,291,388 - Heinrich March 1, 1 | 1994-03-01 |
| Method of operating a-c drive with parallel connected d-c link power converters Grant 4,849,870 - Heinrich July 18, 1 | 1989-07-18 |
| Regenerative two-quadrant converter Grant 4,805,082 - Heinrich , et al. February 14, 1 | 1989-02-14 |
| Converter system combining a two-quadrant voltage-source rectifier and a four-quadrant voltage-source inverter, and a motor drive embodying the same Grant 4,788,635 - Heinrich November 29, 1 | 1988-11-29 |
| Toroidal sensor coil and method Grant 4,621,231 - Heinrich , et al. November 4, 1 | 1986-11-04 |
| Electronic circuit for measuring AC electrical energy Grant 4,596,951 - Heinrich , et al. June 24, 1 | 1986-06-24 |
| Pulse width modulator for electronic watthour metering Grant 4,591,810 - Mackenzie , et al. May 27, 1 | 1986-05-27 |
| Interlaced pulse-width modulated unrestricted frequency changer system Grant 4,578,746 - Gyugyi , et al. March 25, 1 | 1986-03-25 |
| Low cost, variable speed, constant torque induction motor drive Grant 4,259,620 - Oates , et al. March 31, 1 | 1981-03-31 |
| Electronic AC electric energy measuring circuit Grant 4,182,983 - Heinrich , et al. January 8, 1 | 1980-01-08 |
| Phase encoded digital position probe assembly Grant 4,170,754 - Schmitz , et al. October 9, 1 | 1979-10-09 |
| Central oscillator for induction range using triac burner controls Grant 4,112,287 - Oates , et al. September 5, 1 | 1978-09-05 |
| Frequency controlled induction cooking apparatus Grant 4,085,300 - MacKenzie , et al. April 18, 1 | 1978-04-18 |
| Polyphase disc reluctance motor Grant 3,992,641 - Heinrich , et al. November 16, 1 | 1976-11-16 |
| Static inverter wherein a plurality of square waves are so summed as to produce a sinusoidal output wave Grant RE28,986 - Heinrich , et al. September 28, 1 | 1976-09-28 |
| Induction Heat Cooking Apparatus Grant 3,806,688 - MacKenzie , et al. April 23, 1 | 1974-04-23 |
| Direction Sensitive Doppler Processor Grant 3,796,989 - Ravas , et al. March 12, 1 | 1974-03-12 |
| Magnetic Pulse Generator Grant 3,772,669 - Johnston , et al. November 13, 1 | 1973-11-13 |
| Apparatus For Harmonic Neutralization Of Inverters Grant 3,628,123 - Rosa , et al. December 14, 1 | 1971-12-14 |
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