| 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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| 05/10/1989 | EP0314932A2 Trailer control valve |
| 05/10/1989 | CN2037330U Safe folded angle plug door |
| 05/09/1989 | CA1253907A1 Brake control valve |
| 04/26/1989 | EP0312718A1 Double circuit controlled brake pressure control valve |
| 04/25/1989 | US4824178 Fluid pressure responsive and electrically-controlled brake system |
| 04/18/1989 | US4822110 Pneumatic valve, particularly a duplex-type distributor for a braking system, including a device for limiting the maximum distributable pressure |
| 04/12/1989 | EP0311027A2 Force actuated pressure control valve with split valve member |
| 04/11/1989 | US4819993 Freight brake control valve device having improved quick service function |
| 04/11/1989 | US4819992 Duplex-type distributor for a pneumatic braking system for a motor vehicle equipped with an auxiliary slowing device |
| 04/11/1989 | CA1252494A1 Quick release valve |
| 04/04/1989 | US4818036 Braking power transmitter |
| 03/22/1989 | EP0308375A1 Valve unit, particularly for use in the pneumatic braking system of a tractor, for controlling the braking of a towed vehicle |
| 03/22/1989 | EP0307576A2 Relay valve device |
| 03/15/1989 | CN1031676A Composife fast automobile brake valve |
| 03/01/1989 | EP0304610A2 Control valve device |
| 02/15/1989 | CN2032586U Safety folding angle plug valve |
| 02/08/1989 | EP0302250A1 Electromagnetic valve with a changeable flow quantity |
| 02/07/1989 | US4802562 Electronically controlled braking system without a master cylinder |
| 01/26/1989 | DE3723225A1 Solenoid valve with flow through the interior |
| 01/26/1989 | DE3722306A1 Relay valve which can be controlled by at least one circuit and can be used as a trailer control or trailer brake valve, especially for air brake systems on motor vehicles |
| 01/18/1989 | CN2030960U Closing-type angled valve for brake assembly |
| 01/17/1989 | US4798420 Fluid brake control system for railroad vehicles |
| 01/10/1989 | US4796736 Control mechanism for applying a brake and neutralizing a transmission of a vehicle |
| 01/10/1989 | US4796667 Brake pressure control valve |
| 12/15/1988 | DE3717546A1 Brake actuating device for motor vehicles |
| 11/30/1988 | EP0292830A2 Driver's brake valve device for air pressure brakes of rail vehicles |
| 11/30/1988 | EP0292829A2 Dual circuit brake valve, particularly foot-operated brake valve for brake installations of vehicles |
| 11/22/1988 | US4786116 Trailer control valve device for the trailer brakes of a tractor-trailer vehicle |
| 11/17/1988 | WO1988008799A1 Proportioning control valve |
| 11/16/1988 | CN88101621A Proportioning control valve |
| 11/16/1988 | CN87103324A Method and apparatus for automatically adjusting brakes of articulated vehicle provided with pneumatic brakes |
| 11/10/1988 | DE3714038A1 Actuating device for a motor car brake valve |
| 11/08/1988 | US4783124 Freight brake control valve device having improved quick service function |
| 11/02/1988 | EP0289396A1 Control valve, in particular for the hydraulic brakes of a vehicle |
| 10/27/1988 | DE3711845A1 Emergency brake accelerator for airbrakes of rail vehicles |
| 10/26/1988 | EP0288252A2 Solenoid operated valve |
| 10/25/1988 | US4779433 Device for locking parking brake release valve |
| 10/12/1988 | EP0286599A1 Pneumatic servo-diverter for controlling the braking of a trailer and equipment incorporating the servo-diverter |
| 10/12/1988 | CN87215477U Accessory braking device for vehicles |
| 10/11/1988 | US4776648 Relay valve assembly |
| 10/11/1988 | US4776642 Freight brake control valve device having improved quick service function |
| 10/06/1988 | WO1988006993A3 Integrated pressure exhaust valve and fluid coupling |
| 10/05/1988 | EP0284717A2 Set-point adjuster |
| 10/04/1988 | US4775194 Pneumatically operated graduated release valve for rail vehicles |
| 10/04/1988 | US4775192 Apparatus for the control of brake pressure |
| 09/27/1988 | US4773713 Brake control system |
| 09/27/1988 | US4773447 Use in a wheel slip prevention system of a railway car air brake system |
| 09/27/1988 | CA1242479A1 Master cylinder and proportioning valve therefor |
| 09/22/1988 | WO1988006993A2 Integrated pressure exhaust valve and fluid coupling |
| 09/20/1988 | CA1242232A1 Control valve device arranged for direct or graduated release operation |
| 09/20/1988 | CA1242231A1 Dual brake valve with brake proportioning |
| 09/13/1988 | US4770472 Freight brake control valve having an emergency piston slide valve arranged to provide an accelerated brake application function |
| 09/06/1988 | US4768556 Brake system and relay valves for railroad trains |
| 08/25/1988 | WO1988006070A1 Undercutting drill |
| 08/18/1988 | DE3801198A1 Pressure controller having an integrated switching relay |
| 08/18/1988 | DE3703966A1 Handbrake valve, especially for brake systems of motor vehicles |
| 08/18/1988 | DE3703536A1 Pneumatically resettable reversing valve |
| 08/11/1988 | WO1988005739A1 Dual circuit brake valve differential pressure control mechanism |
| 08/10/1988 | EP0277465A1 Servo-distributor for a pneumatic braking system of a tractor, for controlling the braking of a trailer towed by the tractor |
| 08/10/1988 | CN87213543U Sequentially-started whistle and emergency brake |
| 08/10/1988 | CN87107872A Lorry brake controlling valve for providing accelerative brake contro function with emergent piston sliding valve and correcting valve |
| 08/03/1988 | EP0276636A1 Pneumatic valve, particularly a duplex-type distributor for a braking system, including a device for limiting the maximum distributable pressure |
| 08/03/1988 | CN87206320U Three circuit brake controllig system of trailer |
| 07/27/1988 | EP0275786A1 Brake circuit for an aeroplane |
| 07/12/1988 | CA1239176A1 Brake control valve system for rail vehicle air brake |
| 07/05/1988 | CA1238932A1 Fluid pressure brake control systems for freight locomotives |
| 06/14/1988 | US4750787 Relay valve for an air brake system |
| 06/14/1988 | US4750329 Hydraulic pressure source device for hydraulic boosters |
| 05/18/1988 | EP0267881A1 Duplex-type distributor for a pneumatic braking system for a motor vehicle equipped with an auxiliary slowing device |
| 05/17/1988 | US4744609 Freight brake control valve having an emergency piston slide valve and graduating valve arranged to provide an accelerated brake application function |
| 05/05/1988 | WO1988003102A1 Solenoid control valve |
| 05/03/1988 | US4741579 Pneumatic distributor of the duplex type for motor vehicle braking systems |
| 04/27/1988 | CN87208864U Air pressure safe valve and its control device for the tractor |
| 04/19/1988 | US4738430 Solenoid valve control device |
| 04/12/1988 | US4736646 Brake pressure control valve |
| 04/06/1988 | CN86104481B Shut-proof device of train pipe |
| 04/05/1988 | CA1234849A1 Quick release valve arrangement |
| 03/30/1988 | EP0261282A1 Truck mounted pneumatic brake control system |
| 03/29/1988 | US4733919 Integrated pressure exhaust valve and fluid coupling |
| 03/24/1988 | DE3630892A1 Dual line brake system for trailers |
| 03/23/1988 | EP0260805A2 Improvements relating to fluid pressure control valves |
| 03/09/1988 | CN86210111U New-type double cavity braking valve |
| 03/08/1988 | US4729607 Dual circuit brake valve differential pressure control mechanism |
| 03/03/1988 | DE3628061A1 Hydraulic or pneumatic brake control - uses two parallel valves, one connected to pressure source and other to return under no pressure |
| 03/02/1988 | EP0257145A1 Manually operable control valves |
| 02/24/1988 | EP0256272A2 Three-port fluid valve |
| 02/23/1988 | US4726628 Protection valve device for spring parking brake systems |
| 02/23/1988 | US4726626 Servo brake automodulator for trailers with pneumatic brake systems |
| 02/16/1988 | US4725101 Proportioning control valve |
| 01/27/1988 | CN85109714B Brake system for automotive vehicles |
| 01/26/1988 | US4721346 Hydraulic anti-skid braking sytems for vehicles |
| 01/26/1988 | CA1231992A1 Brake control valve device for an air pressure brake system of a railway vehicle |
| 12/30/1987 | CN87202602U Gas brake valve without pump |
| 12/23/1987 | EP0249697A2 Brake pressure control valve, in particular trailer control valve |
| 12/23/1987 | CN86210778U Hydraulic energy-saving device for vehicle |
| 12/22/1987 | US4714297 Fluid pressure brake control portion |
| 12/17/1987 | DE3634653A1 Braking device for long, high-speed trains |
| 12/16/1987 | EP0249030A2 Brake pressure control valve |
| 12/15/1987 | US4712767 Solenoid control valve |
| 12/15/1987 | US4712577 Pneumatic valve for braking systems |