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Patents Grants
last 30 patents
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Patent Grant
Centrifugal fan
Patent number
7,329,089
Issue date
Feb 12, 2008
Japan Servo Co., LTD
Morio Senba
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
CENTRIFUGAL FAN
Publication number
20070231130
Publication date
Oct 4, 2007
JAPAN SERVO CO., LTD.
Akira Hanazuka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Centrifugal fan
Publication number
20060171803
Publication date
Aug 3, 2006
JAPAN SERVO CO., LTD.
Morio Senba
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Impeller of centrifugal fan
Publication number
20050281670
Publication date
Dec 22, 2005
Japan Servo Co., Ltd.
Morio Senba
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Impeller of centrifugal fan
Publication number
20040115050
Publication date
Jun 17, 2004
Japan Servo Co., Ltd.
Morio Senba
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...