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HUNAN QINGSHIDAI ENERGY TECH CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    141,610
About

HUNAN QINGSHIDAI ENERGY TECH CO LTD has a total of 12 patent applications. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, surface technology and coating and thermal processes are KNOWLES ALBERT EDGAR, KWON HYOK DAE and H D TECH INC.

Patent filings in countries

World map showing HUNAN QINGSHIDAI ENERGY TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing HUNAN QINGSHIDAI ENERGY TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Qu Feng 9
#2 Fang Zhengcheng 3
#3 Yang Minglan 3
#4 Zeng Yi'An 2
#5 Zeng Yian 1

Latest patents

Publication Filing date Title
CN111306539A Hydrogen-oxygen burner
CN110917016A Domestic hydrogen facial mask appearance
CN110735148A Oxyhydrogen generation assembly and oxyhydrogen generator
CN110772934A Hydrogen-oxygen mixed separation membrane fixing device
CN110772736A Oxyhydrogen anti-backfire device
CN110629244A Water electrolysis oxyhydrogen generator heat abstractor
CN111041509A Filter membrane type hydrogen and oxygen purifying device in hydrogen and oxygen generator
CN110756019A Hydrogen complex film separator equipment
CN110748413A Vehicle hydrogen decarbonization device
CN106500101A A kind of dry and wet backfire controller of hydrogen oxygen energy machine
CN105887121A Filter membrane type hydrogen-oxygen purification device in hydrogen-oxygen generator
CN105889932A Oxyhydrogen backfire preventing device with bypass pressure relief