Inventor · disambiguated record
Don F. Widmayer
Also filed as: WIDMAYER DON F · WIDMAYER DON FREDERICK
11 granted patents·480 citations·filing 1974–1997
93Inventor score
Files withCONTROLLED ENVIRONMENT SYST4WIDMAYER DON F2CONTROLLED ENVIRONMENTS SYSTEM1FLEXIWATT CORP1WIDMAYER DON & ASSOCIATES INC1
Top patents by PatentIndex Score
11 records- 0196US3931695APlant growth method and apparatusCONTROLLED ENVIRONMENT SYST·Filed 1975·Granted Jan 13, 1976·102 cites·14 claims
- 0291US4394603AEnergy conserving automatic light output systemCONTROLLED ENVIRONMENT SYST·Filed 1981·Granted Jul 19, 1983·68 cites·42 claims
- 0388US5519311AControl of AC power to inductive loadsWIDMAYER DON & ASSOCIATES INC·Filed 1984·Granted May 21, 1996·52 cites·15 claims
- 0487US3930335APlant growth systemCONTROLLED ENVIRONMENT SYST·Filed 1974·Granted Jan 6, 1976·61 cites·1 claims
- 0577US4933798ASelf protecting and automatic resetting capacitor synchronous switch apparatus for control of AC power to inductive loadsWIDMAYER R & D VENTURES·Filed 1989·Granted Jun 12, 1990·57 cites·15 claims
- 0676US4234820ALight regulation systemCONTROLLED ENVIRONMENTS SYSTEM·Filed 1979·Granted Nov 18, 1980·31 cites·7 claims
- 0773US4371812ALight regulation systemCONTROLLED ENVIRONMENT SYST·Filed 1979·Granted Feb 1, 1983·25 cites·9 claims
- 0870US4352045AEnergy conservation system using current controlFLEXIWATT CORP·Filed 1981·Granted Sep 28, 1982·30 cites·20 claims
- 0966US4642525ATransient control circuit for fluorescent lamp systemsWIDMAYER DON F·Filed 1985·Granted Feb 10, 1987·29 cites·4 claims
- 1057US4766352AMethod and apparatus for starting and operating fluorescent lamp and auxiliary ballast systems at reduced power levelsWIDMAYER DON F·Filed 1985·Granted Aug 23, 1988·17 cites·11 claims
- 1138US5892330AManually controlable light feedback adjustment device for gas discharge lighting systemsFiled 1997·Granted Apr 6, 1999·8 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →