Merlin Gerin

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 2068
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 5154
 
 
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 577
 
 
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 5104
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3431
 
 
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 2130
 
 
 
A47B TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE 150
 
 
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1197
 
 
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 193
 
 
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 190

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5608598 Effector with self-compensated contacts for power supply of a receiver circuitApr 12, 94Mar 04, 97[H02H]
5541499 Electronic trip device comprising a power supply control deviceMay 10, 94Jul 30, 96[G05F]
5504290 Remote controlled circuit breaker with recharging camFeb 04, 94Apr 02, 96[H01H]
5479143 Multipole circuit breaker with modular assemblyDec 19, 94Dec 26, 95[H01H]
5477091 High quality electrical power distribution systemNov 04, 92Dec 19, 95[H02J]
5475558 Electrical power distribution device with isolation monitoringSep 21, 94Dec 12, 95[H02H]
5467069 Device for adjusting the tripping threshold of a multipole circuit breakerApr 04, 94Nov 14, 95[H01H]
5449871 Operating mechanism of a multipole electrical circuit breakerMar 30, 94Sep 12, 95[H01H]
5450048 Circuit breaker comprising a removable calibrating deviceMar 23, 94Sep 12, 95[H01H]
5444377 Electronic trip device comprising a test deviceDec 15, 93Aug 22, 95[G01R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5835325 Electronic trip device comprising a correcting deviceExpiredMay 06, 93Nov 10, 98[H02H]
5663987 Digital signal receiver device comprising filtering meansExpiredMay 06, 93Sep 02, 97[H04L]
5512720 Auxiliary trip device for a circuit breakerExpiredMar 30, 94Apr 30, 96[H01H]
5504284 Device for mechanical and electrical lockout of a remote control unit for a modular circuit breakerExpiredJan 25, 94Apr 02, 96[H01H]
5493083 Rotary control device of a circuit breakerExpiredFeb 03, 94Feb 20, 96[H01H]
5477016 Circuit breaker with remote control and disconnection functionExpiredFeb 03, 94Dec 19, 95[H01H]
5469121 Multiple current-limiting circuit breaker with electrodynamic repulsionExpiredMar 21, 94Nov 21, 95[H01H]
5430777 Neutron detection device for measuring the power of a nuclear reactorExpiredOct 25, 93Jul 04, 95[G01T]
5402071 Ground fault monitoring device for an electrical power distribution systemExpiredApr 06, 93Mar 28, 95[G01R]
5392190 Manufacturing process of a capacitor with delayed ageing and a capacitor manufactured according to this processExpiredDec 08, 92Feb 21, 95[H01G]
5373412 Electronic trip device comprising communication meansExpiredSep 15, 92Dec 13, 94[H02J]
5357394 Circuit breaker with selective lockingExpiredSep 15, 92Oct 18, 94[H01H]
5347096 Electrical circuit breaker with two vacuum cartridges in seriesExpiredOct 15, 92Sep 13, 94[H01H]
5347097 Electrical circuit breaker with rotating arc and self-extinguishing expansionExpiredAug 02, 93Sep 13, 94[H01H]
5303164 Insulation monitor with improved precisionExpiredNov 12, 91Apr 12, 94[G01B]
5296660 Auxiliary shunt multiple contact breaking deviceExpiredJan 25, 93Mar 22, 94[H01H]
5290991 Adjustment process of an electronic trip deviceExpiredJul 15, 92Mar 01, 94[B23K]
5287062 Reference voltage measuring bridge for a device for monitoring and measuring the insulation of a DC voltage electrical mains systemExpiredDec 17, 91Feb 15, 94[G01R]
5283413 Assembly process by welding of two solid copper pieces and assembly performed using such a processExpiredMay 14, 92Feb 01, 94[B23K]
5280144 Hybrid circuit breaker with axial blowout coilExpiredOct 15, 92Jan 18, 94[H01H]

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