| Patents for B60T 15 - Construction, arrangement, or operation of valves incorporated in power brake systems and not covered by groups or (4,770) |
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| 03/25/1981 | EP0025558A1 Deaeration device for a tandem service brake and spring brake actuator |
| 03/17/1981 | US4256350 Fluid control circuit for brakes and the like |
| 03/11/1981 | EP0024553A1 Fluid control circuit for brakes and the like |
| 03/03/1981 | US4253555 Vehicle steering brake and clutch control |
| 03/03/1981 | CA1096911A1 Hydraulic actuation system for a rail vehicle |
| 02/19/1981 | WO1981000387A1 Brake control circuit with parking and retarding valves |
| 02/19/1981 | WO1981000386A1 Brake control valve having operator feedback |
| 02/19/1981 | WO1981000385A1 Fluid control circuit for brakes |
| 02/17/1981 | US4251114 Brake valve |
| 02/10/1981 | US4249780 Pressure medium brake system for a vehicle |
| 01/28/1981 | EP0022899A1 Air vent valve for the accelerator of a fast acting brake of a railway vehicle compressed air brake |
| 01/27/1981 | US4246992 Vehicle steering brake and clutch control |
| 01/20/1981 | CA1094133A1 Modulating valve assembly for railroad car brake cylinders |
| 01/06/1981 | US4243127 Control system for automatically actuating vehicle brakes |
| 01/06/1981 | CA1093120A1 Fluid pressure braking system |
| 01/06/1981 | CA1093119A1 Control system of a railway vehicle air braking system |
| 12/16/1980 | CA1091727A1 Vehicle brake system |
| 12/02/1980 | US4236763 Brake valve especially for motor vehicles |
| 11/11/1980 | US4232908 Combination push-pull valve assembly |
| 11/11/1980 | US4232709 Four-way ball valve |
| 11/04/1980 | US4231442 Apparatus for braking a train of vehicles |
| 11/04/1980 | CA1088980A1 Spring brake hold-off system |
| 10/28/1980 | US4230374 Brake control apparatus for railway cars |
| 10/28/1980 | US4230021 Governing device for a spring brake actuator |
| 10/15/1980 | EP0017260A1 Quick-braking accelerator |
| 10/14/1980 | CA1087654A2 Air brake system with pressure holding valve |
| 10/14/1980 | CA1087653A1 Emergency portion for a brake control valve |
| 10/14/1980 | CA1087652A1 Pressure holding valve |
| 10/07/1980 | US4226482 Brake accelerator for a fluid pressure brake system |
| 10/07/1980 | US4226481 Spring-loaded brake device for railway vehicles |
| 10/07/1980 | US4226306 Apparatus for actuating a braking unit |
| 09/30/1980 | USRE30408 Brake apparatus with a combined brake cylinder and reservoir |
| 09/30/1980 | US4225193 Control valve arrangement for combined brake cylinder and reservoir |
| 09/30/1980 | CA1086608A1 Brake modulation valve for pedal-applied brakes |
| 09/16/1980 | CA1085895A2 Air pressure brake arrangement for tractor and semi- trailer combinations |
| 09/09/1980 | CA1085434A1 Dual air-control brake and related brake systems |
| 08/20/1980 | EP0014575A1 Trailer or semi-trailer vehicle braking apparatus |
| 08/20/1980 | EP0014486A1 Pressure control for the driver valve of an indirectly acting pneumatic brake |
| 08/20/1980 | EP0014468A1 Brake valve with pressure limiter for compressed air brake systems of motor vehicles |
| 08/19/1980 | CA1084087A1 Brake accelerator for a fluid-pressure brake system having a brake control valve |
| 07/29/1980 | CA1082563A1 Relay valve |
| 07/22/1980 | CA1082263A1 Modular dash control valve manifold |
| 07/15/1980 | CA1081737A1 Combined power valve and flow divider |
| 07/15/1980 | CA1081735A1 Air pressure brake arrangement for tractor and semi- trailer combinations |
| 07/08/1980 | CA1081288A1 Continuous quick service valves for braking systems |
| 07/08/1980 | CA1081287A1 Emergency portion for brake control valve |
| 07/08/1980 | CA1081286A1 Continual quick service valve device |
| 07/08/1980 | CA1081285A1 Emergency portion for a brake control valve |
| 07/01/1980 | CA1080770A1 Continual quick service valve device |
| 06/24/1980 | CA1080282A1 Fluid pressure braking system |
| 06/24/1980 | CA1080279A1 Tractor-trailer air brake system with trailer multi-functional emergency control valve fixture |
| 06/10/1980 | US4206949 Continuous quick service valves for braking systems |
| 06/03/1980 | CA1078894A1 Fluid brake control system |
| 05/27/1980 | US4204555 Exhaust valve assembly |
| 05/13/1980 | US4202583 Brake control apparatus for railway cars |
| 05/06/1980 | US4201277 Hydraulic actuation system for a rail vehicle |
| 04/30/1980 | EP0010349A1 Pressure responsive governor device |
| 04/22/1980 | US4199198 Vehicle braking control apparatus |
| 04/22/1980 | US4199195 Dynamic/friction brake blending control system |
| 04/15/1980 | CA1075738A1 Control valve device with change-over means for direct or graduated release operation |
| 04/15/1980 | CA1075737A1 Fluid pressure control valve device arranged for fail-safe operation |
| 04/15/1980 | CA1075736A1 Control valve device with service and emergency limiting valves |
| 04/08/1980 | CA1075289A1 Noise reducing control valve for a hydraulic brake booster |
| 04/01/1980 | CA1074837A1 Uncoupling valve with override feature |
| 03/18/1980 | US4193643 Anti-skid vehicle braking systems |
| 03/18/1980 | US4193641 Brake valve |
| 02/12/1980 | US4188072 Brake accelerator device for an air brake system of a railway vehicle |
| 02/12/1980 | US4188071 Railway vehicle brake apparatus arranged to accommodate reduced emergency reservoir volume |
| 02/12/1980 | CA1071672A1 Brake apparatus with a combined brake cylinder and reservoir |
| 01/08/1980 | US4182536 Adaptive braking modulator valve |
| 01/01/1980 | US4181371 Power brake control valve for vehicles |
| 01/01/1980 | US4181369 Pneumatic/electro-pneumatic brake control system with interlock circuitry for push/pull train operation |
| 01/01/1980 | US4181367 Ratio relay emergency valve system for vehicles |
| 12/18/1979 | US4179165 Modulating valve assembly for railroad car brake cylinders |
| 12/11/1979 | US4178044 Brake mechanism for tractors |
| 12/11/1979 | CA1067939A2 Fluid brake control system |
| 12/11/1979 | CA1067938A2 Fluid brake control system |
| 12/11/1979 | CA1067937A1 Electro-pneumatic brake system with valve actuating checking circuit |
| 11/28/1979 | EP0005648A1 Brake system |
| 11/27/1979 | US4175795 Fluid-pressure operated anti-skid braking system for vehicles |
| 11/27/1979 | US4175792 Continual quick service valve device |
| 11/27/1979 | US4175588 Air pressure brake arrangement for tractor and semi-trailer combinations |
| 11/20/1979 | US4174869 Electro-hydraulic brake actuating system |
| 11/20/1979 | CA1066746A1 Brake apparatus providing permanent suppression of a train control brake application |
| 11/13/1979 | CA1066327A1 Detection sensor actuated brake system |
| 11/13/1979 | CA1066326A1 Fluid brake control system |
| 10/30/1979 | US4172619 Follow-up hand control valve for use with hydraulic spring brakes |
| 10/16/1979 | CA1064550A1 Emergency portion for a brake control valve |
| 10/16/1979 | CA1064549A1 Dynamic blending with a spring-applied fluid pressure released service brake including cojoint spring and fluid pressure emergency feature |
| 10/02/1979 | US4169634 Brake control system and apparatus for railway cars |
| 10/02/1979 | US4169633 Multi-function parking brake control valve with separated supply and control inputs |
| 09/18/1979 | CA1062746A1 Emergency portion for a brake control valve |
| 09/04/1979 | CA1061838A1 Service and trailer emergency valve |
| 09/04/1979 | CA1061837A1 Fluid pressure brake system with electronically assisted application and release |
| 08/21/1979 | USRE30079 Fluid brake control system |
| 08/21/1979 | US4165136 Control system of a railway vehicle air braking system |
| 08/14/1979 | CA1060512A1 Fluid pressure braking system with parking brake-service brake interlock |
| 08/14/1979 | CA1060510A1 Automatic freight car brake apparatus with spring-applied fluid-pressure-released hand brake |
| 08/14/1979 | CA1060509A1 Emergency brake valve device for propogating an emergency brake application |
| 08/14/1979 | CA1060508A1 Emergency portion for brake control valve |