Inventor · Littleton, CO, US

Terry D. Johnson

13Patents
10h-index
8Co-inventors
65Inventor score

Filing activity: Aug 2, 1976 → Sep 23, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5319702A Method and apparatus for detecting and responding to hook flash events occurring on a remote telephone Electricity 187 Expired
US7625105B1 Relamping cartridge assembly Mechanical Engineering; Lighting; Heating 75 Active
US6150459A Comb polymers for regulating cell surface interactions Chemistry; Metallurgy 64 Expired
US6207749A Comb copolymers for regulating cell-surface interactions Chemistry; Metallurgy 59 Expired
USD349882S Battery housing for a portable telephone General 57 Expired
USD350110S Battery housing for a portable telephone General 45 Expired
US4506465A Pivotable towed snow removal blade Fixed Constructions 17 Expired
US6399700B2 Comb copolymers for regulating cell-surface interactions Chemistry; Metallurgy 13 Expired
US4067297A Swine finishing barn Human Necessities 12 Expired
US7862371B1 Light socket adapter for a fan holding device Mechanical Engineering; Lighting; Heating 10 Active
US6029608A Animal containment device Human Necessities 3 Expired
US8562278B2 Side-discharge chipper body Performing Operations; Transporting 2 Active
US12044127B1 Belt line installation device Performing Operations; Transporting 0 Active

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