Inventor · Pleasanton, CA, US

John Murphy

40Patents
12h-index
47Co-inventors
81Inventor score

Filing activity: Jun 26, 1975 → May 15, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US10751136B2 Robotic surgical devices, systems and related methods Human Necessities 225 Active
US9232998B2 Trans-apical implant systems, implants and methods Human Necessities 110 Active
US4642502A Dynamoelectric machine with permanent magnet and magnet mounting surface arrangement Electricity 70 Expired
US4303338A Wheel alignment method and apparatus Physics 26 Expired
US5363111A Apparatus and method for spatial nulling of interfering signals Physics 23 Expired
US5454182A Black powder firearm Mechanical Engineering; Lighting; Heating 22 Expired
US4987330A Rotor lamination assembly for a dynamoelectric machine Emerging Cross-Sectional Technologies 15 Expired
US9545305B2 Mitral valve spacer and system and method for implanting the same Human Necessities 14 Active
US4115926A Automotive toe-in gauge Physics 14 Expired
US5644181A Stator lamination design having a tapered opening Emerging Cross-Sectional Technologies 13 Expired
US3990666A Wheel clamp Physics 12 Expired
US6009335A Method of calibrating and testing spatial nulling antenna Electricity 12 Expired
US4510828A Lathe cross feed assembly Emerging Cross-Sectional Technologies 12 Expired
US6336061B1 System and method for attitude determination in global positioning systems (GPS) Physics 9 Expired
US4559613A Digital frequency synthesizer circuit Electricity 8 Expired
US6769600B1 Motor lamination notching apparatus and method with selectively positionable punches Emerging Cross-Sectional Technologies 7 Expired
US4867021A Tool bar assembly Emerging Cross-Sectional Technologies 6 Expired
US6272174A Multiple frequency bin processing Physics 6 Expired
US9009525B1 Methods and systems for NAS device pairing and mirroring Physics 6 Active
US4501342A Slip plates for lift rack Performing Operations; Transporting 5 Expired
US5741097A Heat exchanger fin remover Emerging Cross-Sectional Technologies 5 Expired
US5845553A Stator lamination jig system Emerging Cross-Sectional Technologies 4 Expired
USD246957S Wheel alignment instrument clamp General 3 Expired
US5119702A Brake lathe Emerging Cross-Sectional Technologies 2 Expired
US5551142A Stator lamination jig system Emerging Cross-Sectional Technologies 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.