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HANGZHOU HANGYANG CRYOGENIC LIQUEFY EQUIPMENT CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    176,125
About

HANGZHOU HANGYANG CRYOGENIC LIQUEFY EQUIPMENT CO LTD has a total of 12 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, machine tools and mechanical elements are MAK JOHN, Zhejiang haitian gas co ltd and HAMWORTHY GAS SYSTEMS AS.

Patent filings in countries

World map showing HANGZHOU HANGYANG CRYOGENIC LIQUEFY EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing HANGZHOU HANGYANG CRYOGENIC LIQUEFY EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Jie 4
#2 Ren Lifei 4
#3 Si Hangjun 3
#4 Zhou Tao 3
#5 He Xianlai 3
#6 Xing Qingsheng 2
#7 Ai Shaohua 2
#8 Guan Xiaoyong 2
#9 Jin Chaojie 2
#10 Zhang Huilin 2

Latest patents

Publication Filing date Title
CN111811211A Nitrogen production device and method with refrigerating unit single tower
CN111795545A Skid-mounted compact air separation equipment support frame
CN111249763A Circulation type sieve plate tower for rectification in plateau environment
CN110005938A A kind of continuous punching bottle automating krypton xenon-133 gas
CN109570868A A kind of anti-deformation device of liquid nitrogen machine flange disk
CN108499150A A kind of alternating expression sieve plate installing structure of circulation pattern sieve-plate tower
CN105749576A Fastening device of piston ring of air separation rectifying tower
CN104524799A Filler support device
CN103357994A Semi-automatic backing welding method for consumable electrode of stainless steel gasket of aluminum alloy plate
CN103007566A Liquid distributor of packed column
CN102606807A Supporting guide pipe frame for low-temperature pipeline of air separation cold box
CN102352940A Vacuum heat insulating low-temperature pipe joint