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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 19 |
# | Industry | |
---|---|---|
#1 | Transport |
# | Technology | |
---|---|---|
#1 | Couplings | |
#2 | Rail vehicle suspensions | |
#3 | Vehicles drawn by animals |
# | 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 |
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. |