Inventor · Omaha, NE, US

James D. Welch

87Patents
14h-index
18Co-inventors
81Inventor score

Filing activity: Sep 1, 1978 → Aug 15, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6138902A Insulated foldable receptacle for containers Emerging Cross-Sectional Technologies 110 Expired
US5663584A Schottky barrier MOSFET systems and fabrication thereof Emerging Cross-Sectional Technologies 91 Expired
USD259514S Decorative lamp General 48 Expired
USD317363S Decorative lamp General 46 Expired
US5760449A Regenerative switching CMOS system Electricity 32 Expired
USD675880S1 Beverage container insulator General 21 Active
USD699033S1 Shark head shaped article-carrying pack General 20 Active
USD614001S1 Bottle insulator with integral bottle cap remover General 20 Expired
USD601862S1 Bottle insulator with integral bottle cap remover General 19 Expired
US6859278B1 Multi-AOI-system for easy changing angles-of-incidence in ellipsometer, polarimeter and reflectometer systems Physics 18 Expired
USD666060S1 Beverage bottle insulator General 18 Active
USD637668S1 Lobster-shaped ball General 18 Expired
USD611790S1 Shark body bottle opener General 16 Expired
USD664008S1 Beverage container insulator General 15 Active
USD633351S1 Tiki head shaped bottle opener General 14 Expired
USD566499S1 Flip-flop sandal bottle opener General 14 Expired
US4696093A Fabrication of Schottky barrier MOSFETS Electricity 13 Expired
US7277171B1 Flying mobile on-board ellipsometer, polarimeter, reflectometer and the like systems Physics 12 Expired
US7505134B1 Automated ellipsometer and the like systems Physics 11 Active
US6268636A Operation and biasing for single device equivalent to CMOS Electricity 11 Expired
USD633350S1 Alligator-shaped bottle opener General 9 Expired
USD675497S1 Pirate head shaped bottle cap remover General 8 Active
US7746471B1 Flying mobile on-board ellipsometer, polarimeter, reflectometer and the like systems Physics 8 Active
USD441816S Whale ball General 8 Expired
USD658956S1 Bear shaped bottle cap remover General 8 Expired

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