having multiple pressure sources

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic circuit for construction machine and control device for same
- Patent number 9,725,884
- Issue date Aug 8, 2017
- Sumitomo(S.H.I) Construction Machinery Co., Ltd.
- Hirofumi Hashimoto
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Transfer valve system
- Patent number 6,823,669
- Issue date Nov 30, 2004
- Sikorsky Aircraft Corporation
- Boris K. Kogan
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Dual Pump draft control valve
- Patent number 3,949,783
- Issue date Apr 13, 1976
- Allis-Chalmers Corporation
- John R. Plate
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
3270508
- Patent number 3,270,508
- Issue date Sep 6, 1966
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
2765624
- Patent number 2,765,624
- Issue date Oct 9, 1956
- B60 - VEHICLES IN GENERAL