UNION DRAFT GEAR COMPANY has a total of 38 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United States. Its main competitors in its focus markets transport are JONES WILLIAM RICHARD SUMPTION, WILLISON JOHN and BELFIELD REGINALD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 38 |
# | Industry | |
---|---|---|
#1 | Transport |
# | Technology | |
---|---|---|
#1 | Couplings |
# | Name | Total Patents |
---|---|---|
#1 | Cotton Walter H | 22 |
#2 | Cardwell James R | 12 |
#3 | Jones Joshua J | 2 |
#4 | Canfield Lewis T | 2 |
#5 | Harry Barnard | 2 |
#6 | Sproul Donald F | 1 |
Publication | Filing date | Title |
---|---|---|
US1644172A | Friction draft gear | |
US1709895A | Draft gear | |
US1835282A | Draft gear | |
US1643834A | Railway car | |
US1648296A | Draft gear | |
US1720927A | Draft gear | |
US1674639A | Draft gear | |
US1684388A | Draft gear | |
US1774085A | Draft gear | |
US1865838A | Draft gear | |
US1702932A | Draft gear | |
US1689549A | Draft gear | |
US1733527A | Draft gear | |
US1702040A | Draft gear | |
US1624929A | Draft gear | |
US1666888A | Draft gear | |
US1705635A | Draft gear | |
US1702032A | Draft gear | |
US1855514A | Draft gear | |
US1755429A | Draft gear |