Inventor

ZHANG ZHENGDE

CN6 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG ZHENGDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

XUZHOU HEAVY MACHINERY CO LTD

4 patents

US10359063B2Jul 23, 2019

Method and system for recovering and utilizing operating energy of crane, and crane

XUZHOU HEAVY MACHINERY CO LTD4 citations68

US10822211B2Nov 3, 2020

Crane hydraulic control system and crane

XUZHOU HEAVY MACHINERY CO LTD1 citations54

US11247878B2Feb 15, 2022

Operating method of a wind power jib of a crane and crane

XUZHOU HEAVY MACHINERY CO LTD0 citations53

US9950912B2Apr 24, 2018

Combined counterweight hitching device and method thereof, and counterweight mounting structure

XUZHOU HEAVY MACHINERY CO LTD0 citations37

APPOTRONICS CORP LTD

1 patent

US11781915B2Oct 10, 2023

Color wheel phase detection method and system, and projection device

APPOTRONICS CORP LTD0 citations57

NINGDE AMPEREX TECHNOLOGY LTD

1 patent

US11024930B2Jun 1, 2021

Battery with a buffer layer adhered to separators

NINGDE AMPEREX TECHNOLOGY LTD0 citations55