Inventor · disambiguated record
Roy Mackenzie
Also filed as: MACKENZIE ROY
4 granted patents·201 citations·filing 1997–2000
82Inventor score
Top patents by PatentIndex Score
4 records- 0194US5983743AActuator assemblyDRESSER IND·Filed 1997·Granted Nov 16, 1999·88 cites·18 claims
- 0289US5916325AActuator assembly and torque limiting system for sameDRESSER IND·Filed 1997·Granted Jun 29, 1999·62 cites·6 claims
- 0377US6102828AElectrohydraulic control unitHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Aug 15, 2000·32 cites·13 claims
- 0475US6913240B1Electrohydraulic control unitHALLIBURTON ENERGY SERV INC·Filed 2000·Granted Jul 5, 2005·19 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →