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BROWN DAVID IND LTD

Overview
  • Total Patents
    68
About

BROWN DAVID IND LTD has a total of 68 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets machine tools, mechanical elements and machines are RENE LOUIS JULES DELAMARE, YIYANG KANGYI MACHINERY DEV CO LTD and HURTH VERWALTUNGS GMBH.

Patent filings in countries

World map showing BROWN DAVID IND LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 45
#2 France 7
#3 United States 5
#4 Canada 4
#5 Germany 3
#6 Spain 2
#7 Austria 1
#8 Finland 1

Patent filings per year

Chart showing BROWN DAVID IND LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ashfield Herbert Edward 10
#2 Garner Percy 6
#3 Deakin Thomas Meyrick 4
#4 Hull Charles Hartley 3
#5 Webster Frederick 3
#6 Maugham Albert 3
#7 Taylor Alec 3
#8 Sykes Arthur 3
#9 Eastwood Thomas 2
#10 Horsfall Harry 2

Latest patents

Publication Filing date Title
ES315545A1 Improvements introduced in the rotating control cylindrical valves for axilles piston hydraulic groups. (Machine-translation by Google Translate, not legally binding)
ES309668A1 Apparatus for hydraulic, power transmission. (Machine-translation by Google Translate, not legally binding)
GB967409A An improvement in or relating to gear shaving machines
GB1000723A Method of and machine for cutting toothed gears
GB968235A New or improved indexing mechanism
GB957924A New or improved machine for producing bevel and hypoid gears
GB965290A New or improved machine for generating bevel and hypoid gears
GB966342A An improvement in or relating to bevel and hypoid gear producing machines
GB949870A New or improved loading device for gear shaving machines
GB915103A An improvement in or relating to means for facilitating the movement of machine toolslides
GB967857A New or improved variable-speed vehicle gearbox
US3095063A Gear units
GB890101A An improvement in or relating to gear producing machines
GB914972A An improvement in or relating to friction clutches
GB915316A An improvement in or relating to power take-off devices
GB913191A Automatic loading and unloading device for machine tools
GB918031A An improvement in or relating to heat treatment apparatus
GB913753A New or improved hydraulic control means
GB943008A An improvement in or relating to multi-ratio gearboxes
GB917679A New or improved power transmission mechanism