Patent assignee · US · COMPANY

GTE Automatic Electric Laboratories, Incorporated

260Patents
0Active
260Granted
41Portfolio score

Filing activity: Apr 25, 1973 → Dec 20, 1982

Most-cited patents

PatentTitleAreaCited byStatus
US4070568A Lamp cap for use with indicating light assembly Emerging Cross-Sectional Technologies 132 Expired
US4330794A Multichannel subscription television system Electricity 114 Expired
US4116510A Chassis formed of sheet stock Electricity 70 Expired
USD254435S Housing for a telephone set General 61 Expired
US4255618A Digital intercept recorder/announcer system Physics 50 Expired
US4160136A Anti-vandalism arrangement for protecting the touch calling unit of a coin telephone Electricity 45 Expired
US4275458A Interrupt expander circuit Physics 44 Expired
US3995119A Digital time-division multiplexing system Electricity 38 Expired
US3995120A Digital time-division multiplexing system Electricity 38 Expired
US4118686A Error correction for signals employing the modified duobinary code Electricity 35 Expired
US4041389A Nonfrequency-converting microwave radio repeater using a low power consumption amplifier Emerging Cross-Sectional Technologies 33 Expired
US4025720A Digital bit rate converter Electricity 32 Expired
US3956623A Digital phase detector Electricity 31 Expired
US4086587A Apparatus and method for generating a high-accuracy 7-level correlative signal Electricity 30 Expired
US3959775A Multiprocessing system implemented with microprocessors Physics 30 Expired
US4243963A Construction of a printed wiring card mountable reed relay Electricity 27 Expired
US4278930A Current sensing circuit for power supply with series control transistor Electricity 27 Expired
US3990007A Programmable frequency detector Physics 26 Expired
US4315133A Apparatus protecting a lens from airborne particulates Performing Operations; Transporting 25 Expired
US4084874A Low insertion force connector Electricity 24 Expired
US4380687A Power supply control circuit for subscriber carrier telephone system Emerging Cross-Sectional Technologies 22 Expired
USD254067S Telephone instrument housing General 22 Expired
US4168397A 8-Phase PSK modulator Electricity 21 Expired
US4372768A Method of splicing ends of optical fibers Physics 21 Expired
USD247174S Housing for a loudspeaking telephone General 20 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.