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SERVO FREIN DEWANDRE

Overview
  • Total Patents
    53
About

SERVO FREIN DEWANDRE has a total of 53 patent applications. Its first patent ever was published in 1925. It filed its patents most often in France, United Kingdom and Germany. Its main competitors in its focus markets transport, mechanical elements and packaging and shipping are STUDIO TECNICO 6M SRL, SERVO FREIN DEWANDRE SA and WESTINGHOUSE BREMSEN U APPBAU.

Patent filings in countries

World map showing SERVO FREIN DEWANDREs patent filings in countries
# Country Total Patents
#1 France 31
#2 United Kingdom 20
#3 Germany 1
#4 United States 1

Patent filings per year

Chart showing SERVO FREIN DEWANDREs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Albert Dewandre 1
#2 Vincent Charles 1
#3 Fourmarier Paul 1

Latest patents

Publication Filing date Title
GB675095A Improvements in or relating to braking means for trailers
US2538299A Motor pump and fan set for automobile vehicles
GB663069A Improvements in apparatus for regulating and distributing fluid under pressure to a motor system
GB640542A Improvements in servo-brakes
GB644096A Improvements in or relating to the driving gear of the cooling-water pump, the cooling-air fan and other accessories of an internal-combustion engine
GB654270A Improvements in installations for feeding hydraulic servo-motors
GB654269A Improvements in hydraulic servo-motor steering gear
GB627347A Improvements in braking apparatus for vehicles
FR943586A Compressor
DE890460C Valve for pressure medium systems, in particular for pressure medium braking systems for trailers of motor vehicles
GB473164A Compressed air distributor
GB442128A Preselecting mechanism for change speed gearing
GB424952A Self regulating apparatus for the operating pressure of a pneumatic fluid as a function of the position given to the manual controlling member with reaction of this pressure upon the said member
GB388712A Automatic controlling device for the means provided in the induction piping of heavy oil engines for producing and maintaining the vacuum required for operating auxiliary suction operated devices
GB398633A Improvements in or relating to means for the automatic and progressive pneumatic braking of trailers
GB310027A Improvements in and relating to fluid operated relay brakes
GB302732A Improved device for distributing fluid by reaction through deformable chambers for use in the braking of automobiles in particular
GB301758A Improvements in partial vacuum brakes
GB299786A Improved device for controlling and actuating the delivery doors of silos
GB295263A Servo operated declutching control