P

Inventor

LEDRU ROGER

FR10 patents
⚠️ This page may combine multiple inventors who share the name “LEDRU ROGER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GENERAL ELECTRIC TECHNOLOGY GMBH

3 patents
US10692673B2Jun 23, 2020

Electric arc-blast nozzle and a circuit breaker including such a nozzle

GENERAL ELECTRIC TECHNOLOGY GMBH1 citations56
US10170256B2Jan 1, 2019

Circuit breaker equipped with an extensible exhaust cover

GENERAL ELECTRIC TECHNOLOGY GMBH1 citations53
US10262813B2Apr 16, 2019

Circuit breaker containing a gas escape hood with sealable opening

GENERAL ELECTRIC TECHNOLOGY GMBH0 citations27

GEC ALSTHOM & D SA

1 patent
US5898150AApr 27, 1999

Gas-blast high-voltage circuit-breaker

GEC ALSTHOM & D SA18 citations74

ALSTHOM SA

1 patent
US4940961AJul 10, 1990

Braking resistor for a high tension electrical network

ALSTHOM SA7 citations73

GEC ALSTHOM T & D SA

1 patent
US5997616ADec 7, 1999

Moisture absorption device for electrical apparatus containing dielectric gas

GEC ALSTHOM T & D SA14 citations68

ALSTOM HOLDINGS

1 patent
US6284993B1Sep 4, 2001

Ball-locked mechanism for inserting a closure resistor

ALSTOM HOLDINGS2 citations60

GRIESHABER WOLFGANG

1 patent
US8530774B2Sep 10, 2013

High voltage circuit breaker with improved gas exhaust

GRIESHABER WOLFGANG4 citations53

GREGOIRE CYRIL

1 patent
US8232497B2Jul 31, 2012

Relief valve for discharging a dielectric gas between two volumes of a high-voltage or medium-voltage interrupting chamber

GREGOIRE CYRIL2 citations53

ALSTOM

1 patent
US6987234B2Jan 17, 2006

Circuit breaker comprising a control assembly and interrupting chamber and method of assembly

ALSTOM1 citations50