Learn more

BEIJING ZEHUA CHEMICAL ENGINEERING CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    224,991
About

BEIJING ZEHUA CHEMICAL ENGINEERING CO LTD has a total of 19 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Republic of Korea. Its main competitors in its focus markets chemical engineering and environmental technology are BEIJING ZEHUA CHEMICAL ENG CO LTD, FEDOROV VLADIMIR and DATANG NANJING ENV PROT TECH CO LTD.

Patent filings in countries

World map showing BEIJING ZEHUA CHEMICAL ENGINEERING CO LTDs patent filings in countries

Patent filings per year

Chart showing BEIJING ZEHUA CHEMICAL ENGINEERING CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Xie Runxing 10
#2 Tang Hongping 10
#3 Lv Jiazhuo 6
#4 Wang Changzhi 5
#5 Hongping Tang 3
#6 Changzhi Wang 3
#7 He Bin 2
#8 Li Chen 2
#9 Runxing Xie 2
#10 Guochang Pan 2

Latest patents

Publication Filing date Title
CN103480321A Packing body, as well as layer piece, tower and mixer of packing body
CN103432764A Multi-downcomer tower tray and plate tower provided with multi-downcomer tower tray
CN102836692A Compound corrugated regular filler with flow-guiding corrugations
CN102698465A Packing extracting tower with redistributors and/or vertical baffle plates
CN101954197A Tray with circular combination valve
CN101991969A Tower tray provided with rectangular combination valve
CN101870904A Gear oil additive compound with excellent demulsification performance
CN101864336A Additive composite of lubricating oil for industrial gears
CN101880570A Wear-resistant hydraulic-oil additive composition with excellent anti-emulsifying property
CN101693183A Application of random packing with multiple cascade rings in rectification and absorbent gas-liquid contacting process or extract transmision process
CN101665424A Method for synthesizing acetic acid through low-pressure methanol carbonylation and device thereof
CN101503346A Method and apparatus for synthesizing acetic acid by methanol low-voltage carbonylation
CN101367032A Multi-step ring bulk loading filling material