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Patents Grants
last 30 patents
Information
Patent Grant
Air-conditioner with both cooling and warming functions
Patent number
6,883,344
Issue date
Apr 26, 2005
Chujun Gu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Nonazeotropic working fluid media for use in thermodynamic cycle ap...
Patent number
5,792,381
Issue date
Aug 11, 1998
Chujun Gu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Nonazeotropic working fluid media for use in thermodynamic cycle ap...
Patent number
5,792,382
Issue date
Aug 11, 1998
Chujun Gu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Nonazeotropic working fluid media for use in thermodynamic cycle ap...
Patent number
5,670,080
Issue date
Sep 23, 1997
Chujun Gu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Nonazeotropic working fluid media for use in thermodynamic cycle ap...
Patent number
5,635,100
Issue date
Jun 3, 1997
Chujun Gu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Nonazeotropic working fluid media for use in thermodynamic cycle ap...
Patent number
5,622,645
Issue date
Apr 22, 1997
Chujun Gu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Working media for a thermodynamic engineering device operating in a...
Patent number
5,049,296
Issue date
Sep 17, 1991
Chujun Gu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
Air-conditioner with both cooling and warming functions
Publication number
20050011215
Publication date
Jan 20, 2005
Chujun Gu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Nonazeotropic working fluid media for use in thermodynamic cycle ap...
Publication number
20020175313
Publication date
Nov 28, 2002
Chujun Gu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...