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UNIVERSAL DRAFT GEAR ATTACHMEN

Overview
  • Total Patents
    227
About

UNIVERSAL DRAFT GEAR ATTACHMEN has a total of 227 patent applications. Its first patent ever was published in 1911. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and machine tools are OSTRANDER ALLEN EDWARD, UNION RAILWAY EQUIPMENT COMPAN and KLASING AUGUSTUS F.

Patent filings in countries

World map showing UNIVERSAL DRAFT GEAR ATTACHMENs patent filings in countries
# Country Total Patents
#1 United States 156
#2 Canada 71

Patent filings per year

Chart showing UNIVERSAL DRAFT GEAR ATTACHMENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Camp Percy B 71
#2 Nash Charles J 55
#3 Wrigley Henry I 27
#4 Bartsch Herbert E 15
#5 Hall Joseph M 12
#6 Tucker Herbert E 9
#7 Jack Wilson 9
#8 Canfield Lewis T 5
#9 Kinsman Charles C 5
#10 Davis William F 4

Latest patents

Publication Filing date Title
US2112235A Hand brake
US2153546A Hand brake actuating mechanism
US2154663A Hand brake actuating mechanism
US2071269A Hand brake
US2026268A Hand brake operating mechanism
US2007706A Drop staff brake mechanism
US1986315A Brake operating mechanism
US1971368A Brake adjuster
US2003989A Follower block for draft gears
US1938885A Hand brake for railway cars
US1980686A Railway brake
US1898607A Brake chain attaching device
US1967075A Brake pipe clamp
US1872222A Car axle protector
US1893279A Car journal protector
US1894363A Car coupler controller
US1952112A Door fastening device
US1862136A Automatic slack adjuster
US1947404A Brake adjuster
US1947405A Automatic slack adjuster