BARBER JOHN C has a total of 70 patent applications. Its first patent ever was published in 1896. It filed its patents most often in Canada and United States. Its main competitors in its focus markets transport, mechanical elements and measurement are WOODS EDWIN S, ALBERT G WELCH and UNITY RAILWAY SUPPLY CO INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 36 | |
#2 | United States | 34 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Mechanical elements | |
#3 | Measurement | |
#4 | Machines |
# | Technology | |
---|---|---|
#1 | Rail vehicle suspensions | |
#2 | Shafts | |
#3 | Testing of structures | |
#4 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Barber John C | 70 |
#2 | Barber Joanna | 1 |
Publication | Filing date | Title |
---|---|---|
US4706482A | Permanently-installed test fitting | |
US4602504A | Permanently-installed test fitting | |
US1347887A | Car-truck | |
CA195638A | Lateral motion device | |
CA171451A | Car truck | |
CA164198A | Car | |
CA161595A | Flat car mechanism | |
US1138615A | Underframe structure for cars. | |
CA150887A | Car truck | |
CA148697A | Car truck | |
CA142102A | Car construction | |
CA138754A | Roller bearing | |
CA137005A | Side bearing for railway cars | |
CA128679A | Center bering for cars | |
CA128678A | Car truck | |
CA127138A | Car truck | |
CA123998A | Car truck | |
CA123854A | Car truck | |
CA123148A | Center bearings for cars | |
CA123060A | Car truck |