each machine piston being provided with channels which are coacting with the cylinder and are used as a distribution member for another piston-cylinder unit

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic regenerative braking and four wheel drive system
- Patent number 5,323,688
- Issue date Jun 28, 1994
- Frank H. Walker
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic regenerative braking and four wheel drive system
- Patent number 5,263,401
- Issue date Nov 23, 1993
- Frank H. Walker
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic pump assembly associated with accumulator
- Patent number 4,840,544
- Issue date Jun 20, 1989
- Aisin Seiki Kabushiki Kaisha
- Hiromu Kuromitsu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
2931312
- Patent number 2,931,312
- Issue date Apr 5, 1960
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
1418672
- Patent number 1,418,672
- Issue date Jun 6, 1922
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES