Assignee
QUALIDYNE SYSTEMS INC
US·4 granted patents·93 citations·filing 1977–1986
Top patents by PatentIndex Score
4 records- 0177US4270165AController for d.c. current supplied by a plurality of parallel power suppliesQUALIDYNE SYSTEMS INC·Filed 1979·Granted May 26, 1981·55 cites·25 claims
- 0268US4201957APower inverter having parallel switching elementsQUALIDYNE SYSTEMS INC·Filed 1978·Granted May 6, 1980·19 cites·12 claims
- 0346US4720775AInverter having saturating current transformer core for maintaining inverter current above minimum predetermined levelQUALIDYNE SYSTEMS INC·Filed 1986·Granted Jan 19, 1988·14 cites·22 claims
- 0435US4105957AFull wave bridge power inverterQUALIDYNE SYSTEMS INC·Filed 1977·Granted Aug 8, 1978·5 cites·7 claims
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