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KAIFENG HUANGHE AIR SEPARATION GROUP CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    151,415
About

KAIFENG HUANGHE AIR SEPARATION GROUP CO LTD has a total of 22 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, basic materials chemistry and mechanical elements are 1304338 ALBERTA LTD, VALENCIA JAIME A and LINDE ENG NORTH AMERICA INC.

Patent filings in countries

World map showing KAIFENG HUANGHE AIR SEPARATION GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing KAIFENG HUANGHE AIR SEPARATION GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Haomin 10
#2 Peng Hui 6
#3 Sun Jizhang 6
#4 Kang Xiangjiang 5
#5 Guo Xiaowei 4
#6 Fang Ge 4
#7 Liu Zhongjie 4
#8 Song Zhenzhen 4
#9 Haomin Wang 3
#10 Dong Yanyan 3

Latest patents

Publication Filing date Title
CN111520974A Expansion air liquefier for full-low-pressure air separation equipment
CN111550675A Automatic-pressurization low-temperature liquid delivery method and device
CN109456809A A kind of the biogas WATER-WASHING METHOD purification system and method for start & shutdown through one key
CN109401803A The marsh gas water that a kind of interior outer energy is taken into account and energy utilization rate is high washes purification system
CN109028760A Air-separating plant
CN105910388A Air separation device and air separation method
CN105820853A Oxygen-containing coalbed methane treatment device and treatment method
CN105091504A Energy-saving type test run device for water chilling unit
CN104880025A Comprehensive utilizing process for recovering nitrous exhaust gas and purifying nitrous oxide
CN103897760A Marsh gas purification system
CN103742792A Portal pipe network natural gas treatment system
CN103361138A Method for preparing liquefied natural gas and synthesis ammonia raw material gases by use of hydrogen extraction desorption gas
CN103438663A Device and process for preparing high-purity oxygen and nitrogen under ultra-low pressure
CN103013601A System and technology for purifying cold water by methane
CN102895866A Dry-method desulfuration technology for methane
CN102876413A Biogas decarburization two-stage desorption process
CN102861509A Biogas decarburization and tertiary desorption process
CN102620520A Process for preparing pressure oxygen and pressure nitrogen as well as by-product liquid argon through air separation
CN102589250A Process of separating and preparing nitrogen by using air
CN102538397A Process for making nitrogen by air separation or making nitrogen and simultaneously producing oxygen in attached manner