Inventor · Manchester, NJ, US

Jack Weinstein

39Patents
20h-index
9Co-inventors
78Inventor score

Filing activity: Oct 17, 1975 → Aug 18, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5082137A Child resistant slide box Performing Operations; Transporting 106 Expired
US4984709A Non-reversing tablet dispenser with counter Performing Operations; Transporting 97 Expired
US5082130A Twist tube lift child proof cap and container Human Necessities 66 Expired
US4957385A Ampule solution dispenser applicator Human Necessities 52 Expired
USD253394S Combined dispensing container and holder therefor General 52 Expired
US4971203A Child-resistant pill dispenser Emerging Cross-Sectional Technologies 50 Expired
US5127553A Metered liquid squeeze bottle Physics 47 Expired
US5431283A Blister pack opener-ejector Performing Operations; Transporting 44 Expired
US4354638A Spiral actuator for aerosol powdered suspension product Performing Operations; Transporting 42 Expired
US5058778A Squeeze type dispenser having an axially rotatable top element containing a flow closure and a vent Performing Operations; Transporting 33 Expired
US5860572A Side action vertical ratchet dispenser with reversible trigger Performing Operations; Transporting 32 Expired
US4050826A Liquid applicator Performing Operations; Transporting 31 Expired
US5433329A Child-resistant cap with independent open and close ratchet sets Performing Operations; Transporting 31 Expired
US4875603A Metered dispensing cap for tubes Performing Operations; Transporting 29 Expired
US4111567A Liquid applicator Performing Operations; Transporting 29 Expired
US5853101A Blister pack opener Emerging Cross-Sectional Technologies 27 Expired
US5161706A Twist and push snap-on child resistant cap Performing Operations; Transporting 26 Expired
US5184760A Metered side dispensing cap for tubes Physics 25 Expired
US4298125A Dial type child resistant dispenser Performing Operations; Transporting 22 Expired
US4588320A Closure for roll-on applicator Human Necessities 22 Expired
US5749496A Squeeze and rotate to lift captive cap dispenser Performing Operations; Transporting 14 Expired
US5372285A Vertical ratchet gel-like material dispenser with hinged trigger Performing Operations; Transporting 14 Expired
US5356010A Container with blister pack opener Performing Operations; Transporting 13 Expired
US4021125A Ball roll-on dispenser Human Necessities 13 Expired
US5265777A Push-push tilting dispensing cap system Performing Operations; Transporting 13 Expired

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