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DAUPHINOISE ELECTR SOC

Overview
  • Total Patents
    12
About

DAUPHINOISE ELECTR SOC has a total of 12 patent applications. Its first patent ever was published in 1973. It filed its patents most often in France, Germany and United States. Its main competitors in its focus markets transport are BRECKNELL WILLIS & CO LTD, HOWELL CORP and FURRER FREY AG.

Patent filings in countries

World map showing DAUPHINOISE ELECTR SOCs patent filings in countries
# Country Total Patents
#1 France 6
#2 Germany 3
#3 United States 3

Patent filings per year

Chart showing DAUPHINOISE ELECTR SOCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport

Top inventors

# Name Total Patents
#1 Laurent Daniel 3
#2 Ligones Hubert 2
#3 Payen Jean-Pol 1
#4 Ligones H 1
#5 Laurent D 1
#6 Gros Gerard 1

Latest patents

Publication Filing date Title
DE2435655A1 Power supply system for hover railway vehicle - has flexible self centering pick up shoes to contact live rail of high speed unit
DE2435641A1 Contact rail for electric vehicle - with conductor strip cold pressed into top of light alloy rail
DE2409573A1 ELECTRIC POWER TAKING DEVICE WITH DETACHABLE POWER COLLECTOR
FR2259714A1 Conductor rail expansion joint - has multiple vertical strip element permitting longitudinal movement
FR2258975A2 Power supply system for hover railway vehicle - has flexible self centering pick up shoes to contact live rail of high speed unit
FR2258976A2 Power supply system for hover railway vehicle - has flexible self centering pick up shoes to contact live rail of high speed unit
FR2258977A1 Coupling for current supply lines on vehicle track - has insulating body with collector track continuations
US3848713A Ball-joint support device for a rail conductor of a current-collecting system
US3874300A Suspension and coupling device for the movable magnetic field unit of a linear induction motor
US3858694A Resiliently supported electrical distribution means for movable current collecting means