| Patents for F16D 57 - Liquid-resistance brakes; Air-resistance brakes (1,392) |
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| 06/19/1991 | EP0432903A1 Hydraulic retarder and control apparatus |
| 05/28/1991 | US5018607 Hydraulic dashpot for pipeline systems |
| 05/28/1991 | US5018606 Electrophoretic fluid damper |
| 05/23/1991 | DE4036711A1 Hydraulic vehicle braking pump - incorporates swashplate drive and control valves for min. drag |
| 05/23/1991 | DE4036709A1 Swashplate pump for brake circuit - may be set to null setting with min. drag |
| 05/22/1991 | EP0428311A2 Hydraulic retarder and control |
| 05/15/1991 | EP0427116A1 Brake power converter |
| 05/01/1991 | CN2076185U Balanced braking device for automobile |
| 04/16/1991 | US5007509 For a vehicle |
| 03/21/1991 | WO1991003661A1 Device for reducing the idling losses in hydrodynamic brakes |
| 03/19/1991 | US5000300 Hydraulic retarder and control |
| 02/28/1991 | DE3928230A1 Hydraulic hub brake with integrated pump and constriction - provides adjustments of fluid flow and resistance in housing connected by spokes to rim of wheel |
| 02/28/1991 | DE3928229A1 Hydraulic hub brake with integrated pump and construction - provides adjustments of fluid flow and resistance in housing connected by spokes to rim of wheel |
| 01/08/1991 | US4982819 Motor vehicle |
| 01/01/1991 | US4981198 Hydraulic retarder and control |
| 10/31/1990 | DE4014175A1 Cooling system for oil pump - makes use of common drive shaft for pump and blower |
| 09/27/1990 | DE3909231A1 Automatic-control viscous brake for quick, smooth braking of masses with high kinetic energy |
| 09/06/1990 | DE3907053A1 Oil-hydraulic sustained-action brake for braking vehicles |
| 08/07/1990 | US4946014 On a vehicle having a crankshaft |
| 07/04/1990 | CN1043478A Vehicle air brake system and valves for it |
| 07/03/1990 | US4938323 Hydrodynamic brake |
| 05/29/1990 | US4928799 Hydraulic dashpot |
| 05/09/1990 | EP0367009A1 Brake system |
| 05/09/1990 | EP0367008A1 Retarder |
| 05/08/1990 | US4922872 Engine brake system |
| 05/01/1990 | US4921079 Hydrodynamic retarder |
| 04/27/1990 | CA2000767A1 Vechicle air brake system and valves for it |
| 04/05/1990 | WO1990003290A1 A hydrodynamic brake |
| 03/22/1990 | DE3930540A1 Hydrodynamic brake for motor vehicle - is built as sub-assembly and installed between engine and gearbox |
| 03/22/1990 | DE3831596A1 Hydraulic brake, particularly for power test stands |
| 01/31/1990 | EP0352743A1 Brake mechanism for vehicles |
| 01/17/1990 | CN2051315U Load-sensing boosting cylinder of hydraulic brake |
| 01/10/1990 | EP0349896A2 Deceleration apparatus and method for stopping a racing vehicle |
| 11/23/1989 | EP0342405A1 Hydraulic damper for pipeline systems and the like |
| 11/23/1989 | EP0342394A1 Hydraulic shock absorber |
| 11/21/1989 | US4881625 Control valving for a hydraulic retarder |
| 11/14/1989 | US4880083 Deceleration apparatus and method for stopping a racing vehicle |
| 09/26/1989 | US4869125 Rotary oil damper |
| 09/26/1989 | CA1260359A1 Hydrodynamic retarder |
| 09/14/1989 | DE3807056A1 Brake system for vehicles |
| 07/11/1989 | US4846316 Hydraulic retarder attached with parking brake |
| 07/11/1989 | US4846047 Brake booster with seal housing and key member |
| 06/15/1989 | WO1989005410A1 Fluid retarder |
| 06/01/1989 | DE3738745A1 Hydrodynamischer retarder The hydrodynamic retarder |
| 05/16/1989 | US4830151 Damper comprising rotor shaft and gear sleeve having equal external diameter portions with clutch spring wound thereabout |
| 05/09/1989 | US4828079 Hydraulic retarder with parking brake |
| 04/19/1989 | CN2036225U Double circuit braking system with vacuum booster |
| 02/22/1989 | CN2033075U Piston brake air chamber |
| 02/16/1989 | DE3726318A1 Brake device acting automatically, hydraulically and eccentrically without friction |
| 02/07/1989 | US4802560 Combined wheel/brake apparatus using electro-rheological fluid |
| 01/10/1989 | US4796733 Oil damper |
| 12/28/1988 | EP0296728A2 Control circuit for vehicle retardation |
| 11/23/1988 | EP0291932A1 Hydraulic retarder with parking brake |
| 10/19/1988 | EP0287099A2 A hydraulic retarder attached with parking brake |
| 10/13/1988 | DE3708679A1 Hydrodynamic flow circuit with a device for active/adaptive idling torque minimisation |
| 09/27/1988 | US4773513 Hydrodynamic working circuit with device for reducing air circulation losses |
| 09/06/1988 | US4768401 Vehicle retarder system and control |
| 05/17/1988 | US4744724 Absorption dynamometer |
| 05/17/1988 | US4744443 Hydrodynamic retarder |
| 04/06/1988 | CN87206404U Braking device |
| 03/24/1988 | WO1988001953A1 Vehicle retarder |
| 02/11/1988 | DE3726031A1 Oil damper |
| 01/07/1988 | EP0251073A2 Wheel brake for vehicles, particularly for aircraft and spacecraft |
| 12/29/1987 | US4715481 Hydrodynamic retarder |
| 12/08/1987 | US4711328 Hydrodynamic retarder with a centrifugal accumulator |
| 10/06/1987 | US4697673 One-way damper |
| 09/08/1987 | US4691589 Viscous rotary damper |
| 08/26/1987 | EP0233331A1 Hydrodynamic retarder with device for reducing air circulation losses |
| 08/05/1987 | EP0160107B1 Apparatus for horizontally and intermittently drawing out cast steel piece from horizontal mold of horizontal continuous casting machine |
| 07/14/1987 | US4679666 Weight responsive rotary retardation device |
| 06/25/1987 | DE3545658A1 Hydrodynamic brake for a vehicle |
| 04/07/1987 | US4655327 Impeller type descent slowing device |
| 03/31/1987 | US4653616 Damper |
| 12/23/1986 | US4630507 For improved braking efficiency |
| 12/02/1986 | US4626044 Hydraulic brake for vehicles |
| 10/21/1986 | US4618039 One-way clutch |
| 06/25/1986 | EP0185643A2 Brake, particularly for motor vehicles |
| 05/27/1986 | US4590985 Apparatus for horizontally and intermittently withdrawing cast steel strand from horizontal mold of horizontal type continuous casting machine |
| 04/16/1986 | EP0177767A1 Service brake for a motor vehicle or bus |
| 02/04/1986 | CA1200234A1 Reel for a life-line |
| 12/20/1985 | CN85200453U Explosion-proof brake equipment of dowm-conveying belt conveyor |
| 12/20/1985 | CN85200452U Brake equipment of down-conveying belt conveyor |
| 11/06/1985 | EP0160107A1 Apparatus for horizontally and intermittently drawing out cast steel piece from horizontal mold of horizontal continuous casting machine |
| 10/16/1985 | EP0158095A1 Brake, especially for the hauling cables at pulling-in devices of hauling lifts |
| 10/01/1985 | CA1194506A1 Weight responsive rotary retardation device |
| 09/04/1985 | EP0153882A2 Hydraulic brake |
| 08/06/1985 | CA1191366A1 Rotary retardation devices |
| 07/09/1985 | US4527675 Oil type damper |
| 05/15/1985 | EP0141069A2 Hydraulic brake for vehicles |
| 05/09/1985 | WO1985001900A1 Apparatus for horizontally and intermittently drawing out cast steel piece from horizontal mold of horizontal continuous casting machine |
| 02/05/1985 | US4497393 Rotary retardation devices |
| 01/15/1985 | US4493227 Self-locking differential gear unit; more specially for motor vehicles |
| 01/09/1985 | EP0055780B1 Flywheel apparatus for storing electrical energy |
| 12/27/1984 | CA1179919A Water brake |
| 11/06/1984 | US4480728 Retarder brake control |
| 10/09/1984 | US4475636 Water brake |
| 10/02/1984 | US4474270 Adjustable hydrodynamic brake |
| 08/07/1984 | US4463830 Reel for a life-line |
| 07/10/1984 | US4458792 Automotive retarder |
| 06/19/1984 | US4454935 Hydrodynamic brake |