ZONG LI

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Xuzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Rotatory energy recycling control device for hydraulic excavator
- Patent number 10,287,750
- Issue date May 14, 2019
- XUZHOU XUGONG EXCAVATOR MACHINERY CO., LTD
- Zhenxing Wang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus for improving excavating operation characteristic and gra...
- Patent number 9,745,725
- Issue date Aug 29, 2017
- XCMG EXCAVATOR MACHINERY CO., LTD
- Yong Wang
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Method for improving excavating operation characteristic and gradin...
- Patent number 9,518,371
- Issue date Dec 13, 2016
- XCMG EXCAVATOR MACHINERY CO., LTD
- Yong Wang
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ROTATORY ENERGY RECYCLING CONTROL DEVICE FOR HYDRAULIC EXCAVATOR
- Publication number 20160289925
- Publication date Oct 6, 2016
- Xuzhuo Xugong Excavator Machinery Co., Ltd.
- ZHENXING WANG
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
METHOD FOR IMPROVING EXCAVATING OPERATION CHARACTERISTIC AND GRADIN...
- Publication number 20140007942
- Publication date Jan 9, 2014
- YONG WANG
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
APPARATUS FOR IMPROVING EXCAVATING OPERATION CHARACTERISTIC AND GRA...
- Publication number 20140007962
- Publication date Jan 9, 2014
- YONG WANG
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING