Inventor · disambiguated record
Charles A. Clark, Jr.
Also filed as: CLARK CHARLES · CLARK CHARLES A · CLARK CHARLES ALBERT · CLARK JR CHARLES A
18 granted patents·1 pending application·433 citations·filing 1976–2002
94Inventor score
Top patents by PatentIndex Score
19 records- 0190US4649385AElectronic locating system for persons receiving telephone callsTELOC R & D LTD·Filed 1983·Granted Mar 10, 1987·240 cites·33 claims
- 0287US4415960ALine variable overcurrent protection for a voltage conversion circuitSPERRY CORP·Filed 1982·Granted Nov 15, 1983·42 cites·3 claims
- 0377US4910659AInput and output peripheral controller cards for use in a programmable logic controller systemSQUARE D CO·Filed 1987·Granted Mar 20, 1990·36 cites·19 claims
- 0464US5083003AAdaptive stepperSQUARE D CO·Filed 1990·Granted Jan 21, 1992·26 cites·50 claims
- 0564USD263677SPaint brush extension clampCLARK CHARLES A·Filed 1978·Granted Apr 6, 1982·9 cites·1 claims
- 0664US4109166AClamping circuitRCA CORP·Filed 1977·Granted Aug 22, 1978·11 cites·12 claims
- 0757USD294664SShower seatCLARK CHARLES·Filed 1988·Granted Mar 15, 1988·10 cites·1 claims
- 0853US4308576AOverload protection for a voltage conversion circuitSPERRY CORP·Filed 1980·Granted Dec 29, 1981·10 cites·5 claims
- 0952US4390937ASelf-starting transformer-coupled FET multivibratorsRCA CORP·Filed 1981·Granted Jun 28, 1983·10 cites·12 claims
- 1046US5164157ACopper based alloyLANGLEY ALLOYS LTD·Filed 1990·Granted Nov 17, 1992·10 cites·5 claims
- 1143US4323957AVoltage supression circuit for a voltage converter circuitSPERRY CORP·Filed 1980·Granted Apr 6, 1982·7 cites·9 claims
- 1238US4270127ADigital data compression circuitRCA CORP·Filed 1979·Granted May 26, 1981·4 cites·4 claims
- 1336US4605890ASynchro power amplifier and control circuit for automatically tuning an inductive loadVERNITRON CORP·Filed 1985·Granted Aug 12, 1986·7 cites·9 claims
- 1436US4041357AHigh voltage protection circuitRCA CORP·Filed 1976·Granted Aug 9, 1977·3 cites·7 claims
- 1535US4327405AVoltage suppression circuit for a DC-to-DC voltage converter circuitSPERRY CORP·Filed 1980·Granted Apr 27, 1982·4 cites·3 claims
- 1632US4270157APower supply protection circuitRCA CORP·Filed 1979·Granted May 26, 1981·2 cites·7 claims
- 1730US4059785ACRT display with truncated Rho-Theta presentationRCA CORP·Filed 1976·Granted Nov 22, 1977·1 cites·9 claims
- 1829US2004051383A1Switching mode current limiting power controller circuitFiled 2002·Application pending·0 cites
- 1928US4038655ARadar contour edge restore circuitRCA CORP·Filed 1976·Granted Jul 26, 1977·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →