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Beijing, CN
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Patents Grants
last 30 patents
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Patent Grant
Planetary rotary type fluid motor or engine and compressor or pump
Patent number
9,322,272
Issue date
Apr 26, 2016
Beijing Rostar Technology Co. Ltd
Qihuai Yao
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
ROTATION DEVICE AND ROTOR COMPRESSOR AND FLUID MOTOR HAVING THE SAME
Publication number
20150322790
Publication date
Nov 12, 2015
BEIJING ROSTAR TECHNOLOGY CO. LTD.,
Frank Yao
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
PLANETARY ROTARY TYPE FLUID MOTOR OR ENGINE AND COMPRESSOR OR PUMP
Publication number
20130089447
Publication date
Apr 11, 2013
1-2, Floors, East of 3rd Building Jintianhengye In park
Qihuai Yao
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...