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XI AN CHANGQING TECH ENG CO

Overview
  • Total Patents
    86
  • GoodIP Patent Rank
    20,929
About

XI AN CHANGQING TECH ENG CO has a total of 86 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 basic materials chemistry, machine tools and chemical engineering are ADVANCED EXTRACTION TECHNOL, PATEL KIRTIKUMAR NATUBHAI and UGLAND ENG.

Patent filings in countries

World map showing XI AN CHANGQING TECH ENG COs patent filings in countries
# Country Total Patents
#1 China 86

Patent filings per year

Chart showing XI AN CHANGQING TECH ENG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zheng Xin 21
#2 Yang Guang 19
#3 Fan Junlai 18
#4 Wang Denghai 15
#5 Li Chao 12
#6 Liu Mingkun 10
#7 Hu Tao 9
#8 Hu Jianguo 9
#9 Wang Min 9
#10 Lin Gang 9

Latest patents

Publication Filing date Title
CN105257984A Sun shielding protection device for outdoor air cylinder
CN105202998A Heat insulation thickness detection tool
CN105201041A Flood land water intake structure and technology for seasonal shallow river
CN105154013A System and method for preparing two types of mixed refrigerants by means of recycling LNG (liquefied natural gas)/LPG (liquefied petroleum gas)/NGL (natural gas liquid) products from petroleum associated gas
CN105003513A Multipurpose rod piece connecting sleeve
CN105065907A Integral sulfur-containing natural gas throttling and metering integrated set
CN105065908A Sulfur-contained natural gas collection integrated device
CN104989951A Sulfur-contained natural gas alcohol injection whole integration device
CN105065723A Full-function reducing ball-passing three-way ball valve
CN104977217A Three-axis tensile tester for soil body
CN104976512A Skid-mounted device based on large cluster well group natural gas throttling and measurement
CN104976516A Skid-mounted device based on large cluster well group alcohol injection system
CN104930348A High-low pressure switching and venting skid-mounted device based on large cluster well set
CN104929578A Small electric heating commissioning working device
CN104929609A Large cluster well group natural gas gas-liquid separation metering mixed transportation skid-mounted unit
CN104948166A Large-scale cluster well group combination metering device and method
CN104929610A Natural gas production and separation skid-mounted unit based on large cluster well group
CN104929608A Oil field multiphase measurement and mixed transportation device and method
CN104948136A Gas production pipeline cleaning system based on large cluster type well group
CN104891057A Skid-mounted unit for receiving and storing methanol