Hongmin Zhang

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Xuzhou City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for detecting and protecting telescopic oil cy...
- Patent number 10,196,245
- Issue date Feb 5, 2019
- Xuzhou Heavy Machinery Co., Ltd.
- Junfei Chai
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR DETECTING AND PROTECTING TELESCOPIC OIL CY...
- Publication number 20160289050
- Publication date Oct 6, 2016
- Xuzhou Heavy Machinery Co., Ltd.
- Junfei Chai
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL