Tsutomu Sawada

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Iruma-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spool valve arrangement
- Patent number 6,966,339
- Issue date Nov 22, 2005
- Iwaki Co., Ltd.
- Toshiki Oniduka
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Pump system using a control fluid to drive a switching valve mechan...
- Patent number 6,874,997
- Issue date Apr 5, 2005
- Iwaki Co., Ltd.
- Tsuyoshi Watanabe
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Dual reciprocating bellows pump, with a pair of interlocking shafts...
- Patent number 6,814,553
- Issue date Nov 9, 2004
- Iwaki Co. Ltd.
- Tsuyoshi Watanabe
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Dual reciprocating bellows pump with interlock shaft means
- Publication number 20050191195
- Publication date Sep 1, 2005
- IWAKI CO., LTD.
- Toshiki Oniduka
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Spool valve arrangement
- Publication number 20040099320
- Publication date May 27, 2004
- IWAKI CO., LTD.
- Toshiki Oniduka
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Dual reciprocating bellows pump
- Publication number 20040037722
- Publication date Feb 26, 2004
- IWAKI CO., LTD.
- Tsuyoshi Watanabe
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Pump system
- Publication number 20030198561
- Publication date Oct 23, 2003
- IWAKI CO., LTD.
- Tsuyoshi Watanabe
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...