Patent assignee · FR · COMPANY

Merlin Gerin

176Patents
0Active
176Granted
43Portfolio score

Filing activity: Nov 13, 1973 → Dec 19, 1994

Most-cited patents

PatentTitleAreaCited byStatus
US5493083A Rotary control device of a circuit breaker Electricity 147 Expired
US5089974A Building technical management controller with a two-wire data and power transmission line Emerging Cross-Sectional Technologies 141 Expired
US4899246A Solid-state trip device comprising a zero sequence current detection circuit Electricity 129 Expired
US5477016A Circuit breaker with remote control and disconnection function Electricity 122 Expired
US5103198A Instantaneous trip device of a circuit breaker Electricity 120 Expired
US4764650A Molded case circuit breaker with removable arc chutes and disengageable transmission system between the operating mechanism and the poles Electricity 118 Expired
US4910485A Multiple circuit breaker with double break rotary contact Electricity 115 Expired
US4644438A Current-limiting circuit breaker having a selective solid state trip unit Electricity 114 Expired
US4780786A Solid-state trip unit of an electrical circuit breaker with contact wear indicator Electricity 113 Expired
US5313180A Molded case circuit breaker contact Electricity 111 Expired
US5281776A Multipole circuit breaker with single-pole units Electricity 109 Expired
US5298874A Range of molded case low voltage circuit breakers Electricity 109 Expired
US5310971A Molded case circuit breaker with contact bridge slowed down at the end of repulsion travel Electricity 108 Expired
US4733321A Solid-state instantaneous trip device for a current limiting circuit breaker Electricity 108 Expired
US4694373A Circuit breaker with digital solid-state trip unit with optional functions Electricity 106 Expired
US5504290A Remote controlled circuit breaker with recharging cam Electricity 106 Expired
US5029301A Limiting circuit breaker equipped with an electromagnetic effect contact fall delay device Electricity 105 Expired
US5132865A Ultra high-speed circuit breaker with galvanic isolation Emerging Cross-Sectional Technologies 104 Expired
US5467069A Device for adjusting the tripping threshold of a multipole circuit breaker Electricity 104 Expired
US5357066A Operating mechanism for a four-pole circuit breaker Electricity 104 Expired
US5083081A Current sensor for an electronic trip device Electricity 103 Expired
US4884047A High rating multipole circuit breaker formed by two adjoined molded cases Electricity 102 Expired
US4958135A High rating molded case multipole circuit breaker Electricity 101 Expired
US5155315A Hybrid medium voltage circuit breaker Electricity 100 Expired
US5347096A Electrical circuit breaker with two vacuum cartridges in series Electricity 100 Expired

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