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CHINA HUANQIU CONTRACTING & ENG CORP

Overview
  • Total Patents
    116
  • GoodIP Patent Rank
    31,118
About

CHINA HUANQIU CONTRACTING & ENG CORP has a total of 116 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, chemical engineering and mechanical elements are CRYOPLANTS LTD, HANGZHOU HANGYANG CO LTD and PRITCHARD & CO J F.

Patent filings in countries

World map showing CHINA HUANQIU CONTRACTING & ENG CORPs patent filings in countries
# Country Total Patents
#1 China 116

Patent filings per year

Chart showing CHINA HUANQIU CONTRACTING & ENG CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bai Gailing 24
#2 Wang Hong 18
#3 Li Yulong 12
#4 Song Yuanling 10
#5 An Xiaoxia 9
#6 Cao Yuanwei 8
#7 Cao Xinbo 7
#8 Lu Yuxuan 7
#9 Li Yuxin 7
#10 Liu Haixia 7

Latest patents

Publication Filing date Title
CN110027134A Polyolefine powder multifunctional comprehensive processing system and method
CN109943361A One kind is normal, subtracts top gas pressurizing desulfurizing method and device thereof
CN109506125A Mixing silo unit centralized arrangement and the system conveyed using integral compressor station
CN109442043A Industrial furnace high-temperature hearth seal structure
CN109443006A Self-sealing energy-saving can pressure release type observation door
CN109126492A The exhaust gas processing device and method of polyolefin mixing silo
CN109058758A The comprehensive transportation system of ethylene and method
CN109099640A Ethylene BOG gas comprehensive reutilization system and method
CN106440656A Natural gas liquefying system for carbon dioxide precooling double-stage nitrogen expansion
CN106090946A A kind of torch condensation water recovery system
CN106202646A A kind of method that the PDMS of utilization data source automatically generates instrument disposition figure
CN105972440A Stable and quick automatic water replenishing system of torch water-sealed tank
CN106126792A A kind of method making instrument index according to process chart
CN105973543A Low-temperature testing method for gasket and tool flange for low-temperature testing of gasket
CN106055739A Design method for LNG leakage collection tray
CN105804445A Skid-mounted mobile control room
CN105975439A Coupling calculation method used for process design and operation optimization of ethylene steam cracking furnace
CN105737516A System and method for liquefying natural gas by mixed refrigerant precooling and nitrogen expansion
CN106122606A A kind of under environment of extremely trembling with fear the heavy load of convenient construction by adjustable pipe holder system
CN106151689A A kind of cassette of convenient construction adjustable pipe holder system under environment of extremely trembling with fear