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GRAU LTD

Overview
  • Total Patents
    82
About

GRAU LTD has a total of 82 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United Kingdom, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets transport, machines and measurement are GRAUBREMSE GMBH, HALDEX BRAKE PRODUCTS LTD and BENSCH UWE.

Patent filings per year

Chart showing GRAU LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Broome William Sidney 24
#2 Ross Colin Ford 17
#3 Broome William S 5
#4 Porter Raymond Stanley 4
#5 Harrison Dudley John 4
#6 Prescott Robert David 3
#7 Ross Colin F 2
#8 Harvey Stephen Charles 2
#9 Timms Colin Thomas 1
#10 Porter Raymond S 1

Latest patents

Publication Filing date Title
GB9921748D0 Vehicle braking system
GB2331562A9 Anti-lock braking system
GB9727309D0 Brake system for a trailer vehicle and a valve for use therein
GB9705445D0 Vehicle braking system
EP0762007A1 Slack adjustor for vehicle brake
GB9617243D0 Slack adjuster for vehicle brake
GB9610068D0 Brake system for a trailer vehicle and a valve for use therein
GB9723471D0 Vehicle braking system
GB9523329D0 Slack adjuster for vehicle brake
GB9519578D0 Pneumatic relay valve
GB9516891D0 Slack adjuster for vehicle brake
GB9514508D0 Anti-skid brake system
GB9509740D0 Vehicle braking system
GB9424245D0 Braking systems
US5615929A Brake system for a vehicle train
WO9511823A2 Vehicle brake system
GB9410076D0 Brake system for a vehicle train
GB9406541D0 Vehicle brake system
GB9323698D0 Brake system for a vehicle train
GB9322304D0 Vehicle brake system