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KAIFENG AIR SEPARATION GROUP CO LTD

Overview
  • Total Patents
    52
  • GoodIP Patent Rank
    53,126
  • Filing trend
    ⇩ 50.0%
About

KAIFENG AIR SEPARATION GROUP CO LTD has a total of 52 patent applications. It decreased the IP activity by 50.0%. 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, machine tools and thermal processes are KYODO SANSO, AMERICAN MESSER CORP and HA BAO.

Patent filings in countries

World map showing KAIFENG AIR SEPARATION GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 52

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Xu Jigao 17
#2 Zhuo Yueguang 11
#3 Wang Qingbo 10
#4 Yu Hao 10
#5 Li Yan 10
#6 Leng Xuefeng 10
#7 Zhou Lixin 9
#8 Wei Xiangpan 7
#9 Wang Jianfeng 6
#10 Meiling Li 6

Latest patents

Publication Filing date Title
CN111551097A Arc radius measuring tool
CN110340496A The two-sided vertical position welding ancillary equipment of aluminium
CN110361270A It prevents from pressing inclined device and method when two kinds of metal welding joints test plate (panel) bend tests
CN110470103A Improve the system and method for Argon recovery rate in air
CN108759311A The air separation unit and method that big amount of liquid is produced
CN108426683A Mesolow angie type welds shut-off valve pressure testing device
CN107824936A Small diameter pipeline endoporus longitudinal seam welding device
CN107588667A Star multilayer condenser/evaporator
CN106825146A A kind of lining ring furling plate round machine
CN106825878A A kind of pipe sheet for automatic welder positioner
CN106225549A A kind of large-scale wound tube heat exchanger double-layered central barrel structure
CN106100216A A kind of device that motor horizontal level is finely adjusted
CN106121743A A kind of liquid radial-inward-flow turbine energy recycle device
CN106123663A A kind of low-pressure liquid oxygen water bath type vaporizer of band tube sheet
CN106050859A Novel anti-looseness structure for large-diameter piston rod
CN105865147A System and method for preparing high purity carbon monoxide and hydrogen-enriched co-production liquid methane
CN105618892A Gas cutting tapping device for steel vessel cylinder
CN105716370A System and method of preparing hydrogen rich gas and carbon monoxide from synthesis gas
CN105643401A Grinding limiting device for sanding belt grinding head
CN105546337A Cryogenic tank liquid pipeline cold insulation structure and method