Qiang Liu

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Changsha, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for controlling engine speed and boom-type engine...
- Patent number 9,194,139
- Issue date Nov 24, 2015
- Hunan Sany Intelligent Control Equipment Co., Ltd.
- Xiaogang Yi
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR CONTROLLING ENGINE SPEED AND BOOM-TYPE ENGINE...
- Publication number 20140129096
- Publication date May 8, 2014
- Sany Heavy Industry Co., Ltd.
- Xiaogang Yi
- E04 - BUILDING