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GRAUBREMSE GMBH

Overview
  • Total Patents
    525
About

GRAUBREMSE GMBH has a total of 525 patent applications. Its first patent ever was published in 1941. It filed its patents most often in Germany, France and Spain. Its main competitors in its focus markets transport, mechanical elements and engines, pumps and turbines are GRAU LTD, CHAPSAL FRANCOIS JULES and OKATSUNE HAGURUMA SEISAKUSHO K.

Patent filings per year

Chart showing GRAUBREMSE GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gruener Hans 136
#2 Nicolay Heinz 86
#3 Blanz Roland 48
#4 Mueller Wolfgang Dipl Ing 21
#5 Schneider Friedrich 20
#6 Paulitz Georg 17
#7 Gruner Hans 14
#8 Nicolay H 14
#9 Beigel Franz 13
#10 Gruener H 11

Latest patents

Publication Filing date Title
DE3918226A1 Trailer brake control valve - has trailer braking suited to that of towing vehicle by spring-controlled adjustment piston with limited movement
DE3903457A1 AUTOMATIC LOAD-RELATED BRAKE FORCE REGULATOR
DE3742022A1 Level control valve, which can be actuated by means of an electronic control system, for motor vehicles with pneumatic suspension
DE3742021C1 Pneumatic switching valve for pistons for raising and lowering the vehicle body of air-suspended vehicles
DE3734617C1 Axle lifting valve for multi-axle motor vehicles, trailer vehicles and the like
DE3734618C1 Manually operatable axle lifting valve for multi-axle motor vehicles, trailer vehicles and the like
DE3727355A1 Diaphragm cylinder for motor vehicles
DE3722306A1 Relay valve which can be controlled by at least one circuit and can be used as a trailer control or trailer brake valve, especially for air brake systems on motor vehicles
DE3716436A1 Level-Regulating Valve with height limitation
DE3714950C1 Connecting control valve for antilock airbrake systems
DE3708294A1 Control system for raising and lowering the vehicle body of pneumatically sprung vehicles with level control
DE3703536A1 Pneumatically resettable reversing valve
DE3630892A1 Dual line brake system for trailers
DE3625107C1 Automatic adjusting device for the expansion cams of a drum brake
DE3616828A1 Device for adjusting the line of action of the force of a helical spring
DE3605444A1 Air brake system for trailers
DE3525835A1 A device exposed or exposable to the movements between vehicle body and vehicle axle on motor vehicles
DE3522183C1 Brake system for vehicles with spring loaded brake cylinders
DE3519182A1 Trailer brake valve for dual line air brake systems of trailers
DE3517811C1 Longitudinally adjustable forked draw-bar