Inventor · London, ON, CA

Gerd Kuhfus

15Patents
9h-index
12Co-inventors
65Inventor score

Filing activity: Jun 17, 1974 → Jan 23, 1992

Most-cited inventions

PatentTitleAreaCited byStatus
US5187743A Telephone base with a display unit Electricity 42 Expired
US4349705A Lighted telephone dial Electricity 33 Expired
US4047787A Extension cords for plug-in telephones Electricity 21 Expired
US4061411A Multi-outlet adaptor for plug-in telephones Electricity 15 Expired
US4887972A Snap-together enclosure for a telephone jack receptacle Electricity 13 Expired
US4672666A Telephone handset for a telephone set Electricity 10 Expired
US4636591A Integral transmitter and modular jack assembly for a telephone set Electricity 10 Expired
US3946977A Telephone unit with retractable mounting bracket Electricity 9 Expired
US3946171A Multiple pushbutton switch assembly for telephone sets and the like Electricity 9 Expired
US3969721A Light emitting diode indicator assembly for a multiple pushbutton array Electricity 8 Expired
US4317968A Multiple cantilever spring contact switch Electricity 8 Expired
US5130629A Telephone terminal bases Electricity 4 Expired
US4556763A Simplified line switch for a telephone set Electricity 4 Expired
US4593159A Base plate for telephone set base Electricity 2 Expired
US4647728A Programming switch assembly for communication terminals Electricity 2 Expired

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