Inventor · Auckland, NZ

John Talbot Boys

89Patents
22h-index
32Co-inventors
88Inventor score

Filing activity: Sep 19, 1974 → Sep 6, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4185701A Tightening apparatus Performing Operations; Transporting 1,013 Expired
US5528113A Inductive power pick-up coils Emerging Cross-Sectional Technologies 336 Expired
US5898579A Non-contact power distribution system Emerging Cross-Sectional Technologies 317 Expired
US5293308A Inductive power distribution system Performing Operations; Transporting 297 Expired
US6483202B1 Control of inductive power transfer pickups Performing Operations; Transporting 215 Expired
US6459218B2 Inductively powered lamp unit Mechanical Engineering; Lighting; Heating 198 Expired
US5450305A Resonant power supplies Emerging Cross-Sectional Technologies 175 Expired
US6100663A Inductively powered battery charger Emerging Cross-Sectional Technologies 137 Expired
US5126585A Uninterruptible power supplies Emerging Cross-Sectional Technologies 108 Expired
US5821638A Flux concentrator for an inductive power transfer system Emerging Cross-Sectional Technologies 85 Expired
US7781916B2 Parallel-tuned pick-up system with multiple voltage outputs Emerging Cross-Sectional Technologies 74 Active
US6317338A Power supply for an electroluminescent display Electricity 71 Expired
US4316512A Impact wrench Performing Operations; Transporting 60 Expired
US5619078A Primary inductive pathway Electricity 58 Expired
US8174152B2 Assembly for supplying a consumer with electric power Emerging Cross-Sectional Technologies 46 Active
US4008773A Tightening system Performing Operations; Transporting 45 Expired
US3982419A Apparatus for and method of determining rotational and linear stiffness Physics 45 Expired
US6188179A Induction circuits for lighting Chemistry; Metallurgy 43 Expired
US4008772A Tightening system Physics 32 Expired
US5767592A Pulse generator for electric fences Electricity 30 Expired
US4110829A Apparatus for and method of determining rotational and linear stiffness Physics 28 Expired
US6621183B1 Supply of power to primary conductors Electricity 26 Expired
US8749334B2 Multi power sourced electric vehicle Emerging Cross-Sectional Technologies 22 Active
US7633235B2 Inductively-powered power transfer system with one or more independently controllable loads Electricity 20 Expired
US6705441B1 Control of series-resonant inductive pickups Emerging Cross-Sectional Technologies 20 Expired

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