Inventor · Lincoln, RI, US

James Hall

48Patents
19h-index
27Co-inventors
81Inventor score

Filing activity: Dec 5, 1974 → Aug 10, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
USD412008S Eyewear General 127 Expired
US4446745A Apparatus for counting turns when making threaded joints including an increased resolution turns counter Emerging Cross-Sectional Technologies 83 Expired
US5251776A Pressure vessel Mechanical Engineering; Lighting; Heating 41 Expired
US5825455A Aspheric plano eyewear Physics 40 Expired
US5969787A Eyewear with browbar ventilation and detachable temples Physics 36 Expired
US6149268A Protective eyewear with at least one ventilation channel Human Necessities 35 Expired
USD360645S Eyeglass lens General 33 Expired
USD424080S Eyewear lens General 31 Expired
USD354068S Eyeglasses General 29 Expired
USD466995S1 Earplug General 28 Expired
USD392990S Eyewear having strap attachment General 24 Expired
US4402052A Apparatus for making threaded joints incorporating a make-up speed controller Emerging Cross-Sectional Technologies 24 Expired
USD420027S Eyewear lens General 24 Expired
USD384092S Eyewear frame temple General 24 Expired
USD386777S Eyewear frame nosepiece General 24 Expired
US4428156A Reinforced window assembly Fixed Constructions 23 Expired
USD424079S Eyewear lens General 21 Expired
USD412179S Eyewear end piece and temple assembly General 20 Expired
US6254236A Parabolic and hyperbolic aspheric eyewear Human Necessities 19 Expired
USD419579S Eyewear lens General 17 Expired
US4092980A Fibrinogen monitor Physics 17 Expired
USD484525S1 Eyewear General 15 Expired
USD397126S Eyewear lens General 15 Expired
US6019469A Aspheric plano eyewear Physics 14 Expired
USD434493S Cartridge filter General 13 Expired

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