Guoliang Zhang

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Changzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Energy-recycling hydraulic control main valve
- Patent number 9,791,056
- Issue date Oct 17, 2017
- JIANGSU HENGLI HYDRAULIC TECHNOLOGY CO., LTD.
- Liping Wang
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ENERGY-RECYCLING HYDRAULIC CONTROL MAIN VALVE
- Publication number 20150337970
- Publication date Nov 26, 2015
- JIANGSU HENGLI HYDRAULIC CO., LTD
- Liping Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...