Learn more

HANGZHOU ZEZHENG MACHINERY CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    139,791
About

HANGZHOU ZEZHENG MACHINERY CO LTD has a total of 12 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets machine tools and environmental technology are GULYANSKIJ LEONID G, KHAN WORKHOLDING CO LTD and CHONGQING FUHAO TECH CO LTD.

Patent filings in countries

World map showing HANGZHOU ZEZHENG MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing HANGZHOU ZEZHENG MACHINERY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhao Xiaohong 12
#2 Wu Yukui 9
#3 Wu Changshun 7
#4 Xiao Qingkun 6
#5 Yan Linan 5
#6 Zhong Yingjun 5
#7 Dai Pengyu 5
#8 Yang Xinyun 4
#9 Ren Chao 4
#10 Zhang Ying 4

Latest patents

Publication Filing date Title
CN111136294A High-grade numerical control equipment chuck that stretches out and draws back
CN111136292A High-precision rear-drawing film power chuck of high-grade numerical control equipment
CN111136296A Chuck special for processing hub bearing by high-grade numerical control equipment
CN111136293A Special clamp for processing eccentric hole of crank shaft
CN111136291A Outer double-layered tight composite power chuck of tight of internal stay
CN110000588A Positioning tool in a kind of main shaft
CN110052866A A kind of Impeller Machining special fixture
CN110026576A One kind walking the reversed mandrel swelled of scheming and connects disk
CN110052855A A kind of high-accuracy spring perch
CN109175424A A kind of aqueous vapor bilateral line structure of chuck
CN109175404A A kind of numerically controlled lathe elasticity pusher
CN109175425A A kind of auxiliary centering long stroke frock clamp