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HONGZHUAN ZHENG

Overview
  • Total Patents
    15
About

HONGZHUAN ZHENG has a total of 15 patent applications. Its first patent ever was published in 1997. It filed its patents most often in China, Brazil and Hong Kong. Its main competitors in its focus markets machine tools and mechanical elements are ZHENG HONGZHUAN, SCHWARTZ & CO G and DAVY MCKEE SHEFFIELD.

Patent filings in countries

World map showing HONGZHUAN ZHENGs patent filings in countries

Patent filings per year

Chart showing HONGZHUAN ZHENGs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Hongzhuan Zheng 9
#2 Linzhen Zhao 7
#3 Zhao Linzhen 6
#4 Zheng Hongzhuan 5
#5 Zheng Hongzguan 1

Latest patents

Publication Filing date Title
CN101003334A Drum of reeling machine
HK1079273A1 Lubricating oil balance equipment and one shaft equipped with the same
CN1718302A Multi roll mill with roll shape bending two dimension controlling
CN1868568A Apparatus for separation and regeneration of emulsion
CN1647866A Roller changer for multiple roller rolling mill
CN1648514A Oil balance device and shaft using oil balance device
CN1566721A Bearing
BR9714856A Laminator to laminate plate or strip
AP200001990A0 A rolling mill with roll deflection bi-dimensionally controlled.
BR9714857A High-precision roller laminators with two-dimensional bending control
NZ503138A A rolling mill with a two - directional supporting frame to reduce roll deflection