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AMERICAN BRAKE SHOE CO

Overview
  • Total Patents
    841
About

AMERICAN BRAKE SHOE CO has a total of 841 patent applications. Its first patent ever was published in 1897. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets mechanical elements, machines and civil engineering are LUCAS AEROSPACE POWER TRANSMIS, STRATIENKO ANDREW and RECKER FLORIAN B.

Patent filings in countries

World map showing AMERICAN BRAKE SHOE COs patent filings in countries
# Country Total Patents
#1 United States 426
#2 Canada 257
#3 United Kingdom 66
#4 France 55
#5 Germany 16
#6 Switzerland 9
#7 Austria 4
#8 Belgium 4
#9 Spain 3
#10 Malaysia 1

Patent filings per year

Chart showing AMERICAN BRAKE SHOE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Adams Cecil E 53
#2 Hoyer Llewellyn E 44
#3 Wilson Rosser L 44
#4 Dalrymple William P 37
#5 Ratkowski Thomas A 35
#6 Boron Frank J 35
#7 Spokes Ray E 23
#8 Gorcyca Edward R 22
#9 Hipple George M 19
#10 Neff Darby B 16

Latest patents

Publication Filing date Title
US3401641A Three area vane type hydraulic pump having force modulating flow restrictor means
GB1082109A Microwave identification of railroad cars
GB1082110A Microwave identification of railroad cars
GB1068278A Railroad car retarder system
US3361080A Method and apparatus for replenishment at sea
US3247514A Microwave identification of railroad cars
US3359914A Method and apparatus for improving efficiency of vane pumps
GB1043980A Three stage servo valve
US3237007A Retarder control systems
US3257958A Rotary vane fluid power unit
US3326047A Pressure transducer
US3240930A Retarder control systems
US3283726A Construction for pump/motor devices
US3250294A Valve and control circuit therefor
US3235952A Method of fabricating and assembling railroad brake shoes
GB1074747A Apparatus for straightening shafts
US3261440A Brake and clutch assembly
US3269416A Control valve mechanism with means for reducing hydraulic shock
US3232386A Adjustable car retarder
US3250349A Disc brake