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CHANGZHOU HEFANG ENVIRONMENTAL PROT SCIENCE & TECHNOLOGY CO LTD

Overview
  • Total Patents
    12
About

CHANGZHOU HEFANG ENVIRONMENTAL PROT SCIENCE & TECHNOLOGY CO LTD has a total of 12 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets measurement are PAAKKINEN ILMARI, Nanjing assen environment technology co ltd and TIANJIN LAND & OCEAN PETROLEUM EQUIPMENT SYSTEMS ENG CO LTD.

Patent filings in countries

World map showing CHANGZHOU HEFANG ENVIRONMENTAL PROT SCIENCE & TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing CHANGZHOU HEFANG ENVIRONMENTAL PROT SCIENCE & TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement

Focus technologies

# Technology
#1 Analysing materials

Top inventors

# Name Total Patents
#1 Zhang Nianzhong 12
#2 Ju Ming 11
#3 Ju Ran 5
#4 Chen Meiping 5
#5 Song Yunli 4
#6 Meng Yingqin 2
#7 Ju Rong 1
#8 Jin Rong 1
#9 Yi Xifeng 1

Latest patents

Publication Filing date Title
CN103756641A Dust inhibitor as well as preparation method and application thereof
CN103638804A Electrochemical desulphurization method and application of intermediate product
CN103773140A Covering agent, and preparation method and application thereof
CN103708584A Aniline wastewater treatment process and application of product thereof
CN103575911A Saliva stabilizing liquid
CN103250740A Mildew inhibitor, and preparation method and application method thereof
CN103263805A Wastewater treatment and recycling process of dust suppressant prepared from straw
CN103254318A Method for preparing sodium carboxymethyl cellulose from straws
CN103230079A Micro-electrolysis tea preservative and preparation method thereof
CN103265084A Preparation method and application of potassium ferrate
CN103145154A Method for recovering sodium chlorite liquid waste
CN103159178A Preparation method of sodium chlorite