Assignee
URBAN TRANSPORTATION DEV
CA·25 granted patents·490 citations·filing 1975–1991
Top patents by PatentIndex Score
25 records- 0193US4671577ACombined regenerative and friction braking system for a vehicleURBAN TRANSPORTATION DEV·Filed 1985·Granted Jun 9, 1987·103 cites·9 claims
- 0288US4635560AContactless powering of LIM vehicle electrical system by recovery of LIM slip powerURBAN TRANSPORTATION DEV·Filed 1985·Granted Jan 13, 1987·74 cites·6 claims
- 0374US4570544ADiagonally braced rail truckURBAN TRANSPORTATION DEV·Filed 1982·Granted Feb 18, 1986·26 cites·32 claims
- 0473US4503779AInterconnecting passage for articulated vehicleURBAN TRANSPORTATION DEV·Filed 1982·Granted Mar 12, 1985·26 cites·11 claims
- 0570US4289075ASteering articulated carURBAN TRANSPORTATION DEV·Filed 1978·Granted Sep 15, 1981·19 cites·6 claims
- 0664US4440092ARailway steering truck linear induction motor assemblyURBAN TRANSPORTATION DEV·Filed 1981·Granted Apr 3, 1984·23 cites·21 claims
- 0762US4022337AHoist mechanism for use in a vehicle such as a busURBAN TRANSPORTATION DEV·Filed 1975·Granted May 10, 1977·18 cites·21 claims
- 0860US4700854AOpen top draw bar arrangement having removable wedgeURBAN TRANSPORTATION DEV·Filed 1985·Granted Oct 20, 1987·19 cites·13 claims
- 0959US4679665ABrake disc design for wheel mounted discsURBAN TRANSPORTATION DEV·Filed 1986·Granted Jul 14, 1987·13 cites·15 claims
- 1059US4285280ARadial railway truckURBAN TRANSPORTATION DEV·Filed 1978·Granted Aug 25, 1981·13 cites·7 claims
- 1158US4729455AWheel assembly and brake thereforURBAN TRANSPORTATION DEV·Filed 1985·Granted Mar 8, 1988·25 cites·6 claims
- 1255US4542700AThree axle steered truckURBAN TRANSPORTATION DEV·Filed 1983·Granted Sep 24, 1985·13 cites·3 claims
- 1354US4458911ACentering mechanism for articulated vehicleURBAN TRANSPORTATION DEV·Filed 1982·Granted Jul 10, 1984·13 cites·11 claims
- 1449US4846126ANatural gas fuel injectionURBAN TRANSPORTATION DEV·Filed 1987·Granted Jul 11, 1989·12 cites·22 claims
- 1549US4642493AIntegrally air cooled linear induction motorURBAN TRANSPORTATION DEV·Filed 1985·Granted Feb 10, 1987·19 cites·20 claims
- 1648US4542699APowered radial truckURBAN TRANSPORTATION DEV·Filed 1984·Granted Sep 24, 1985·9 cites·6 claims
- 1746US4455033ATorque transmitting linkage for articulated vehicleURBAN TRANSPORTATION DEV·Filed 1982·Granted Jun 19, 1984·11 cites·9 claims
- 1845US4911360APrecast railway crossing slabURBAN TRANSPORTATION DEV·Filed 1987·Granted Mar 27, 1990·20 cites·31 claims
- 1938US5127337AReaction railURBAN TRANSPORTATION DEV·Filed 1991·Granted Jul 7, 1992·8 cites·24 claims
- 2038US4819566AStabilized steerable truckURBAN TRANSPORTATION DEV·Filed 1987·Granted Apr 11, 1989·9 cites·4 claims
- 2136US4457238ARailway truck; pivotal connectionURBAN TRANSPORTATION DEV·Filed 1980·Granted Jul 3, 1984·7 cites·24 claims
- 2234US4817534APresent invention relates to rail vehiclesURBAN TRANSPORTATION DEV·Filed 1987·Granted Apr 4, 1989·5 cites·9 claims
- 2331US4488709AJacking device for articulated streetcarURBAN TRANSPORTATION DEV·Filed 1982·Granted Dec 18, 1984·2 cites·16 claims
- 2430US4802419ASteered axle for a railway vehicleURBAN TRANSPORTATION DEV·Filed 1986·Granted Feb 7, 1989·1 cites·3 claims
- 2513US4742780ALoad distribution system for railway truckURBAN TRANSPORTATION DEV·Filed 1985·Granted May 10, 1988·2 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →