DOWTY HYDRAULIC UNITS LIMITED

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CHELTENHAM, GB

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Patents Grantslast 30 patents

Information Patent Grant
Fluid control devices
- Patent number 4,796,655
- Issue date Jan 10, 1989
- Dowty Hydraulic Units Limited
- Dennis W. Parker
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Retarders suitable for wagon speed control
- Patent number 4,721,189
- Issue date Jan 26, 1988
- Dowty Hydraulic Units Limited
- David E. Bick
- B61 - RAILWAYS
Information Patent Grant
Retarders suitable for wagon speed control
- Patent number 4,650,038
- Issue date Mar 17, 1987
- Dowty Hydraulic Units Limited
- David E. Bick
- B61 - RAILWAYS
Information Patent Grant
Rotary positive-displacement fluid-pressure machines
- Patent number 4,606,713
- Issue date Aug 19, 1986
- Dowty Hydraulic Units Limited
- Brian R. Lipscombe
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Electro-hydraulic servo valve
- Patent number 4,585,029
- Issue date Apr 29, 1986
- Dowty Hydraulic Units Limited
- John K. Harding
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Retarders suitable for wagon speed control and having means for hol...
- Patent number 4,535,872
- Issue date Aug 20, 1985
- Dowty Hydraulic Units Limited
- David E. Bick
- B61 - RAILWAYS
Information Patent Grant
Electro-hydraulic servo valves and electrical force motors suitable...
- Patent number 4,518,937
- Issue date May 21, 1985
- Dowty Hydraulic Units Limited
- Dennis W. Parker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pumps and motors
- Patent number 4,486,160
- Issue date Dec 4, 1984
- Dowty Hydraulic Units Limited
- Brian R. Lipscombe
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Gear motor with fluid pressure groove and recess to facilitate star...
- Patent number 4,368,013
- Issue date Jan 11, 1983
- Dowty Hydraulic Units Limited
- Graham J. Toogood
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Rotary intermeshing gear machine with pressure-balancing including...
- Patent number 4,358,260
- Issue date Nov 9, 1982
- Dowty Hydraulic Units Limited
- Philip G. Joyner
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Buffer stop
- Patent number 4,325,307
- Issue date Apr 20, 1982
- Dowty Hydraulic Units Limited
- David E. Bick
- B61 - RAILWAYS
Information Patent Grant
Noise reduction
- Patent number 4,037,521
- Issue date Jul 26, 1977
- Dowty Hydraulic Units Limited
- Donald Patterson McLeod
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

DOWTY HYDRAULIC UNITS LIMITED

Organization

Patents Grantslast 30 patents

Fluid control devices

Retarders suitable for wagon speed control

Retarders suitable for wagon speed control

Rotary positive-displacement fluid-pressure machines

Electro-hydraulic servo valve

Retarders suitable for wagon speed control and having means for hol...

Electro-hydraulic servo valves and electrical force motors suitable...

Pumps and motors

Gear motor with fluid pressure groove and recess to facilitate star...

Rotary intermeshing gear machine with pressure-balancing including...

Buffer stop

Noise reduction