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HENAN KAIYUAN AIR SEPARATION GROUP CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    181,970
  • Filing trend
    ⇩ 100.0%
About

HENAN KAIYUAN AIR SEPARATION GROUP CO LTD has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, thermal processes and environmental technology are WINTER CHRISTOPHER LESLIE, VINS LUDEK and OOO NII PRIRODNYKH GAZOV I GAZ.

Patent filings in countries

World map showing HENAN KAIYUAN AIR SEPARATION GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing HENAN KAIYUAN AIR SEPARATION GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Shitian 6
#2 Jia Jun 4
#3 Liu Daiyong 4
#4 Peng Mingyang 4
#5 Leng Quanqi 2
#6 Sun Xingli 2
#7 Zhang Bing 2
#8 Wei Bing 2
#9 Li Kaiju 2
#10 Zhou Mingliang 1

Latest patents

Publication Filing date Title
CN107388693A A kind of novel energy-conserving closed circle water system
CN107388729A Comprehensively utilize the recirculated water energy-saving and cooling device and method of air separation unit cold energy
CN107024074A A kind of nitrogen single-stage expansion refrigeration reclaims methane in methanol-fueled CLC tail gas for LNG devices and methods therefor
CN106989567A A kind of apparatus and method that oxygen rich gas and high pure nitrogen are produced while low energy consumption
CN105758122A Device and method for preparing high-purity nitrogen and low-purity oxygen
CN104807290A Device and method for preparing low-pressure nitrogen gas by using single-tower double-backflow expansion
CN104807292A Device and method for comprehensively utilizing nitrogen gas emptying energy and liquid argon gasification cold energy
CN103557675A Cryogenic distillation liquidation system and method for synthesis ammonia chemical tail gas
CN103123203A Method of preparing pure nitrogen by using exhaust gas with nitrogen to carry out once-more cryogenic distillation
CN102865759A Integral main cold hot siphon evaporator
CN102827658A Method for preparing high-purity liquefied natural gas from ammonia synthesis tail gas
CN102588644A Method for adjusting constant oxygen flow of metallurgical inner compression air separation device
CN101955169A Method for transforming crude argon column condenser with non-condensable gas discharging pipe, and crude argon column condenser