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| Patents for B61C 15 - Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels (709) |
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| 04/03/1979 | US4147238 Rail traction vehicle brake system | | 12/05/1978 | CA1043632A1 Rail traction vehicle | | 08/22/1978 | US4108077 Rail vehicles with propulsion energy recovery system | | 01/10/1978 | US4067259 Convertible rail-highway traction vehicle | | 06/28/1977 | US4031661 Miniature vehicle with magnetic enhancement of traction | | 04/12/1977 | US4016959 Actuator for a rail wheel tread scrubber block | | 12/21/1976 | US3998166 Multi-rail system and method of installation | | 02/10/1976 | US3937430 Method and apparatus for controlling the speed of a vehicle | | 02/10/1976 | US3937152 Oscillation sensitive vehicle motor control |
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