BEIJING ROSTAR TECHNOLOGY CO. LTD

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Patents Grantslast 30 patents

Information Patent Grant
Rotary device, rotary system, and fluid machinery, to which press-a...
- Patent number 11,111,918
- Issue date Sep 7, 2021
- Beijing Rostar Technology Co. Ltd
- Qihuai Yao
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotation device and rotor compressor and fluid motor having the same
- Patent number 10,215,025
- Issue date Feb 26, 2019
- Beijing Rostar Technology Co. Ltd
- Frank Yao
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information 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...
Information Patent Grant
Vortex device for separating cold gas and hot gas
- Patent number 9,017,440
- Issue date Apr 28, 2015
- Beijing Rostar Technology Co. Ltd
- Qihuai Yao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ROTARY DEVICE, ROTARY SYSTEM, AND FLUID MACHINERY, TO WHICH PRESS-A...
- Publication number 20180320687
- Publication date Nov 8, 2018
- BEIJING ROSTAR TECHNOLOGY CO. LTD
- Qihuai YAO
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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
VORTEX DEVICE FOR SEPARATING COLD GAS AND HOT GAS
- Publication number 20140020348
- Publication date Jan 23, 2014
- BEIJING ROSTAR TECHNOLOGY CO. LTD
- Qihuai Yao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Trademarklast 30 trademarks