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UNION DRAFT GEAR CO

Overview
  • Total Patents
    19
About

UNION DRAFT GEAR CO has a total of 19 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United States. Its main competitors in its focus markets transport are TRANSOM DRAFT GEAR COMPANY, STANDARD COUPLER CO and MINER CO W H.

Patent filings in countries

World map showing UNION DRAFT GEAR COs patent filings in countries
# Country Total Patents
#1 United States 19

Patent filings per year

Chart showing UNION DRAFT GEAR COs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport

Top inventors

# Name Total Patents
#1 Cotton Walter H 7
#2 Canfield Lewis T 5
#3 Harry Barnard 4
#4 Cardwell James R 2
#5 Sproul Donald F 1

Latest patents

Publication Filing date Title
US1726796A Reenforced friction member for draft gears
US1616411A Draft gear
US1670335A Draft gear
US1868295A Draft gear
US1581631A Draft gear
US1553284A Draft gear
US1553288A Draft gear
US1553287A Draft gear
US1553286A Draft gear
US1553285A Draft gear
US1576722A Draft gear
US1505239A Draft gear
US1356254A Draft-gear
US1243389A Draft-gear.
US1190858A Draft-arm for railway-cars.
US1214510A Draft-alarm for railway-cars.
US1239458A Reinforcing-transom for railway-cars.
US1123482A Draft-gear.
US1180825A Draft-lug for railway-cars.