Song Fei

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Gunma-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing closed impeller
- Patent number 8,793,872
- Issue date Aug 5, 2014
- Yamada Manufacturing Co., Ltd.
- Ryouhei Adachi
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Impeller for water pump
- Patent number 8,641,378
- Issue date Feb 4, 2014
- Yamada Manufacturing Co., Ltd.
- Song Fei
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Impeller for water pump
- Patent number 6,712,583
- Issue date Mar 30, 2004
- Honda Giken Kogyo Kabushiki Kaisha
- Toshiro Ijima
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Impeller for water pump
- Publication number 20110255970
- Publication date Oct 20, 2011
- Yamada Manufacturing Co., Ltd.
- Song Fei
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Method for manufacturing closed impeller
- Publication number 20100242280
- Publication date Sep 30, 2010
- Yamada Manufacturing Co., Ltd.
- Ryouhei Adachi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Impeller for water pump
- Publication number 20020187045
- Publication date Dec 12, 2002
- Toshiro Ijima
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...