Inventor · disambiguated record
Donald H. Ward
Also filed as: WARD DONALD H
12 granted patents·780 citations·filing 1975–1991
94Inventor score
Top patents by PatentIndex Score
12 records- 0195US5170310AFail-resistant solid state interruption systemSQUARE D CO·Filed 1990·Granted Dec 8, 1992·123 cites·36 claims
- 0292US4202225APower tongs control arrangementSHELDON LOREN B·Filed 1979·Granted May 13, 1980·105 cites·22 claims
- 0392US4042123AAutomated pipe handling systemSHELDON LOREN B·Filed 1975·Granted Aug 16, 1977·177 cites·28 claims
- 0486US4581613ASubmersible pump telemetry systemHUGHES TOOL CO·Filed 1982·Granted Apr 8, 1986·63 cites·7 claims
- 0586US4128888AVelocity control arrangement for a computer-controlled oil drilling rigBJ HUGHES INC·Filed 1977·Granted Dec 5, 1978·37 cites·10 claims
- 0684US5216352ASolid state current controlled interruption systemSQUARE D CO·Filed 1990·Granted Jun 1, 1993·56 cites·27 claims
- 0783US4187546AComputer-controlled oil drilling rig having drawworks motor and brake control arrangementBJ HUGHES INC·Filed 1977·Granted Feb 5, 1980·62 cites·7 claims
- 0883US4139891AElevator load control arrangement for a computer-controlled oil drilling rigBJ HUGHES INC·Filed 1977·Granted Feb 13, 1979·52 cites·9 claims
- 0982US4102105AInterlocked channel section panels and connectors thereforARMCO STEEL CORP·Filed 1977·Granted Jul 25, 1978·45 cites·26 claims
- 1075US4027611ASeam forming apparatusARMCO STEEL CORP·Filed 1976·Granted Jun 7, 1977·30 cites·10 claims
- 1161US4631536AMultiplex submersible pump telemetry systemHUGHES TOOL CO·Filed 1983·Granted Dec 23, 1986·23 cites·4 claims
- 1241US5137611AElectrolytic plating one surface of conductive sheetARMCO INC·Filed 1991·Granted Aug 11, 1992·7 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →