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Patent applications and USPTO patent grants for Billings; William W..The latest application filed is for "power field effect transistor drive circuit".
Patent | Date |
---|---|
Power field effect transistor drive circuit Grant 4,970,420 - Billings November 13, 1 | 1990-11-13 |
Current limited DC power controller Grant 4,943,761 - Fox , et al. July 24, 1 | 1990-07-24 |
Solid state power controller Grant 4,864,214 - Billings , et al. September 5, 1 | 1989-09-05 |
Bi-directional DC power controller with fault protection Grant 4,835,652 - Billings , et al. May 30, 1 | 1989-05-30 |
Solid state power controller leakage current shunt circuit Grant 4,656,365 - Billings April 7, 1 | 1987-04-07 |
Overcurrent protection system Grant 4,363,064 - Billings , et al. December 7, 1 | 1982-12-07 |
AC Solid-state circuit breaker Grant 4,245,184 - Billings , et al. January 13, 1 | 1981-01-13 |
Zero crossover circuit Grant 3,914,625 - Billings , et al. October 21, 1 | 1975-10-21 |
AC solid state power controller with minimized internal power supply requirements Grant 3,879,652 - Billings April 22, 1 | 1975-04-22 |
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