URBAN TRANSPORTATION DEV has a total of 192 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets transport, electrical machinery and energy and environmental technology are AEG SCHIENENFAHRZEUGE, STADLER RAIL AG and SIMENS AG ESTERRAJKH.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 25 | |
#2 | Canada | 21 | |
#3 | Japan | 19 | |
#4 | Australia | 16 | |
#5 | EPO (European Patent Office) | 13 | |
#6 | Hong Kong | 12 | |
#7 | Brazil | 10 | |
#8 | Spain | 10 | |
#9 | Malaysia | 10 | |
#10 | France | 8 | |
#11 | United Kingdom | 8 | |
#12 | Singapore | 8 | |
#13 | India | 7 | |
#14 | Republic of Korea | 5 | |
#15 | Germany | 4 | |
#16 | Sweden | 4 | |
#17 | Hungary | 3 | |
#18 | Mexico | 3 | |
#19 | Czechoslovakia | 1 | |
#20 | Italy | 1 | |
#21 | Netherlands | 1 | |
#22 | Poland | 1 | |
#23 | USSR (Union of Socialist Soviet Republics) | 1 | |
#24 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Electrical machinery and energy | |
#3 | Environmental technology | |
#4 | Mechanical elements | |
#5 | Medical technology | |
#6 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Smith Roy E | 44 |
#2 | Chadwick Dennis P | 28 |
#3 | Becker Heinz W | 16 |
#4 | Sobolewski George | 8 |
#5 | Ballantyne John | 7 |
#6 | Whitfield Fred S | 7 |
#7 | Ballantyne W John | 6 |
#8 | Wallace Alan Keith | 5 |
#9 | Roi Ii Sumisu | 5 |
#10 | Schubert Karl | 4 |
Publication | Filing date | Title |
---|---|---|
WO8905925A1 | Split disc for disc brake rotor | |
AU1277188A | A transit system | |
US4846126A | Natural gas fuel injection | |
US4911360A | Precast railway crossing slab | |
US4819566A | Stabilized steerable truck | |
US4817534A | Present invention relates to rail vehicles | |
US4802419A | Steered axle for a railway vehicle | |
US4671577A | Combined regenerative and friction braking system for a vehicle | |
JPS61124259A | Linear motor device | |
AU4686185A | Linear induction motor | |
US4729455A | Wheel assembly and brake therefor | |
CA1236183A | Lim secondary reactance compensation and thrust control | |
CA1248056A | Draw bar arrangement | |
US4642493A | Integrally air cooled linear induction motor | |
CA1255764A | Reaction rail for linear induction motor | |
US4742780A | Load distribution system for railway truck | |
SG3585G | Railway truck and lim propulsion assembly | |
US4635560A | Contactless powering of LIM vehicle electrical system by recovery of LIM slip power | |
US4542699A | Powered radial truck | |
ES8504581A1 | Two-axle rail bogie |