Zhengde Zhang

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Xuzhou City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Operating method of a wind power jib of a crane and crane
- Patent number 11,247,878
- Issue date Feb 15, 2022
- Xuzhou Heavy Machinery Co., Ltd.
- Zenghai Shan
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Crane hydraulic control system and crane
- Patent number 10,822,211
- Issue date Nov 3, 2020
- Xuzhou Heavy Machinery Co., Ltd.
- Zenghai Shan
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Method and system for recovering and utilizing operating energy of...
- Patent number 10,359,063
- Issue date Jul 23, 2019
- Xuzhou Heavy Machinery Co., Ltd.
- Zenghai Shan
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Combined counterweight hitching device and method thereof, and coun...
- Patent number 9,950,912
- Issue date Apr 24, 2018
- Xuzhou Heavy Machinery Co., Ltd.
- Zhengde Zhang
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
OPERATING METHOD OF A WIND POWER JIB OF A CRANE AND CRANE
- Publication number 20210221657
- Publication date Jul 22, 2021
- Xuzhou Heavy Machinery Co., Ltd.
- Zenghai Shan
- B66 - HOISTING LIFTING HAULING
Information Patent Application
CRANE HYDRAULIC CONTROL SYSTEM AND CRANE
- Publication number 20190337775
- Publication date Nov 7, 2019
- Xuzhou Heavy Machinery Co., Ltd.
- Zenghai SHAN
- B66 - HOISTING LIFTING HAULING
Information Patent Application
METHOD AND SYSTEM FOR RECOVERING AND UTILIZING OPERATING ENERGY OF...
- Publication number 20170268541
- Publication date Sep 21, 2017
- XUZHOU HEAVY MACHINERY CO., LTD.
- Zenghai Shan
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
COMBINED COUNTERWEIGHT HITCHING DEVICE AND METHOD THEREOF, AND COUN...
- Publication number 20170253467
- Publication date Sep 7, 2017
- Xuzhou Heavy Machinery Co., Ltd.
- Zhengde Zhang
- B66 - HOISTING LIFTING HAULING