Inventor · Philadelphia, PA, US

John C. Allen

17Patents
11h-index
19Co-inventors
69Inventor score

Filing activity: Oct 24, 1974 → Apr 23, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6694337B1 Synchronizing databases Emerging Cross-Sectional Technologies 55 Expired
USD256940S Water slide or similar article General 50 Expired
USD256827S Water slide or similar article General 44 Expired
USD256828S Water slide or similar article General 41 Expired
USD297412S Barbed wire holder, or similar article General 28 Expired
US3959924A Automatic spot sprayer Human Necessities 20 Expired
US7217876B2 Strings for musical instruments Physics 18 Expired
USD699477S1 Fishing pole rack General 16 Active
US7108069B2 Online thermal and watercut management Fixed Constructions 12 Expired
US10268669B1 Intelligent graphical word processing system and method Physics 12 Active
US5988835A Rotating multiple gel and pattern mount for film/video lights Mechanical Engineering; Lighting; Heating 11 Expired
USD296162S Storage rack for software discs General 7 Expired
US11050144B1 Assembly with at least one antenna and a thermal insulation component Electricity 3 Active
US7700872B2 Cable for stringed musical instruments Electricity 1 Active
US12237574B2 Assembly with at least one antenna and a thermal insulation component Electricity 0 Active
US9731239B2 Fluoropolymer article for bacterial filtration Performing Operations; Transporting 0 Active
US10772383B1 Shoe ornament Human Necessities 0 Active

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