Inventor · River Falls, WI, US

John E. Thomas

99Patents
23h-index
85Co-inventors
91Inventor score

Filing activity: Sep 12, 1975 → Feb 19, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US7201290B2 Method and apparatus for mass based dispensing Chemistry; Metallurgy 100 Expired
US7891523B2 Method for mass based dispensing Chemistry; Metallurgy 79 Active
US6463940B1 Smart rack and machine system Human Necessities 70 Expired
US7147649B2 Temporary vascular filters Human Necessities 65 Expired
US5389344A Variable concentration, solid chemical dispenser Performing Operations; Transporting 64 Expired
US5259557A Solution proportioner and dispensing system Performing Operations; Transporting 63 Expired
US5913951A Radially oriented motor for a fluid balance ring Emerging Cross-Sectional Technologies 59 Expired
US5505915A Solid chemical dispenser with movable nozzle Performing Operations; Transporting 58 Expired
US5417233A Low product alarm for solid products Emerging Cross-Sectional Technologies 55 Expired
US5584327A Method and apparatus for storing and dispensing chemical solutions Emerging Cross-Sectional Technologies 53 Expired
US3961754A Spray and foam producing nozzle apparatus Performing Operations; Transporting 51 Expired
US5832972A Dilution dispensing system with product lock-out Emerging Cross-Sectional Technologies 49 Expired
US5411716A Solid detergent dispenser for floor scrubber machine Performing Operations; Transporting 42 Expired
US5597019A Dilution system for filling spray bottles Performing Operations; Transporting 36 Expired
US6131774A Flowable material dispenser with automatic shutoff and vessel for receiving flowable material Physics 34 Expired
US5494644A Multiple product dispensing system including dispenser for forming use solution from solid chemical compositions Emerging Cross-Sectional Technologies 30 Expired
US4599255A Composite structures having conductive surfaces Emerging Cross-Sectional Technologies 30 Expired
US6779740B1 Product dispenser and carrier Textiles; Paper 27 Expired
US5607651A Multiple product dispensing system including dispenser for forming use solution from solid chemical compositions Emerging Cross-Sectional Technologies 26 Expired
US4071195A Spray and foam producing nozzle apparatus Performing Operations; Transporting 26 Expired
US4542056A Composite structure having conductive surfaces Emerging Cross-Sectional Technologies 25 Expired
US6620380B2 Method, device and composition for the sustained release of an antimicrobial gas Chemistry; Metallurgy 25 Expired
US5797986A Floor cleaning method Chemistry; Metallurgy 23 Expired
US6883723B2 Product dispenser and carrier Textiles; Paper 21 Expired
US6129768A Method and apparatus for operating an automatic balancing system Textiles; Paper 21 Expired

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