Inventor · Ellicott City, MD, US

John E. King

17Patents
7h-index
31Co-inventors
66Inventor score

Filing activity: Aug 20, 1975 → Oct 31, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5319542A System for ordering items using an electronic catalogue Physics 701 Expired
US5861689A Leadless motor construction Electricity 34 Expired
US6944998B1 Simulated masonry garden walls having modular construction Fixed Constructions 33 Expired
US7159367B1 Simulated masonry garden walls having modular construction Fixed Constructions 21 Expired
US8412439B2 Dual fuel engine control unit Emerging Cross-Sectional Technologies 18 Active
US5307384A Segmented coil assembly for control rod drive Emerging Cross-Sectional Technologies 12 Expired
US4198768A Electronics assembly evaluator Human Necessities 9 Expired
US5484259A Low noise centrifugal blower Mechanical Engineering; Lighting; Heating 7 Expired
US6308347A Toilet seat lifting system Human Necessities 6 Expired
US9278335B2 Superadsorbent material system for improved filtration applications Performing Operations; Transporting 3 Active
US6641946B2 Fuel dissipater for pressurized fuel cell generators Emerging Cross-Sectional Technologies 2 Expired
US4009521A Interconnected response recording and display consoles Physics 1 Expired
US9573090B2 Superadsorbent material system for improved filtration applications Performing Operations; Transporting 0 Active
US6252174A Lead wire strain relief connector and switch mount Electricity 0 Expired
US10549259B2 Carbide derived carbon for use in chemical scrubbers Emerging Cross-Sectional Technologies 0 Active
US11127868B2 Photo-activated quantum dot capacitor photodetectors Performing Operations; Transporting 0 Active
US10578525B2 Chemical preconcentrator with integrated heat source for enhanced chemical analysis Physics 0 Active

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