Yamada; Yutaka

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Tsushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Variable capacity centrifugal water pump with movable pressure cham...
- Patent number 5,169,286
- Issue date Dec 8, 1992
- Yamada; Yutaka
- Yutaka Yamada
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Centrifugal pump of vortex-flow type
- Patent number 4,872,806
- Issue date Oct 10, 1989
- Aisan Kogyo Kabushiki Kaisha
- Yutaka Yamada
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Check valve assembly for pipeline system
- Patent number 4,617,959
- Issue date Oct 21, 1986
- Nippondenso Co., Ltd.
- Yutaka Yamada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...