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GU CHUJUN

Overview
  • Total Patents
    34
About

GU CHUJUN has a total of 34 patent applications. Its first patent ever was published in 1989. It filed its patents most often in China, Canada and EPO (European Patent Office). Its main competitors in its focus markets thermal processes, environmental technology and basic materials chemistry are AMUNDSEN IVAR, NIHON FREEZER CO LTD and HAM YOON SIK.

Patent filings in countries

World map showing GU CHUJUNs patent filings in countries

Patent filings per year

Chart showing GU CHUJUNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gu Chujun 26
#2 Chujun Gu 8

Latest patents

Publication Filing date Title
CN1673308A Energy-saving environment-protecting zeotropic mixed refrigerant
CN1673307A Efficient energy-saving environment-protecting refrigerant
CN1468931A Energy-saving environment-protecting mixed refrigerant
CN1394934A Multi-component refrigerating agent
CN1390909A Environment protection type energy-saving mixed non-azeotropic refrigerant
CN1367363A Cold-warm air conditioner
CN1362606A Cooling and heating air conditioner in new structure
CN1347949A Improved zeotropic working medium used in thermal circulation
CN1347952A Improved zeotropic working medium used in thermal circulation
CN1347954A Improved zeotropic working medium used in thermal circulation
CN1347956A Improved zeotropic working medium used in thermal circulation
CN1347953A Improved zeotropic working medium used in thermal circulation
CN1347955A Improved zeotropic working medium used in thermal circulation
CN1162003A Quaternary mixed refrigerant
CN1183451A Improved non-azeotropic operating medium using in thermal circulation
CN1347951A Improved zeotropic working medium used in thermal circulation
CN1347950A Improved zeotropic working medium used in thermal circulation
US5635100A Nonazeotropic working fluid media for use in thermodynamic cycle applications
CN1106446A 3 kinds of mixed refrigerants
CN1071944A Tertiary mixed refrigerant