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Projectus Industriprodukter AB
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Stockholm, SW
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Patents Grants
last 30 patents
Information
Patent Grant
Installation for heating a fluid, preferably water, in a convention...
Patent number
4,041,724
Issue date
Aug 16, 1977
Projectus Industriprodukter AB
Berth Ulrik Gustafsson
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Method for thermal running of a heat pump plant and plant for carry...
Patent number
4,033,141
Issue date
Jul 5, 1977
Projectus Industriprodukter AB
Berth Ulrik Gustafsson
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method of and an installation for controlling the temperature of a...
Patent number
4,024,728
Issue date
May 24, 1977
Projectus Industriprodukter AB
Berth Ulrik Gustafsson
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Apparatus for defrosting of an evaporator in a heat pump
Patent number
4,007,603
Issue date
Feb 15, 1977
Projectus Industriprodukter AB
Berth Ulrik Gustafsson
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Heating installation comprising a heat pump and a fuel-fired boiler...
Patent number
3,986,664
Issue date
Oct 19, 1976
Projectus Industriprodukter AB
Berth Ulrik Gustafsson
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Heat pump system
Patent number
3,984,050
Issue date
Oct 5, 1976
Projectus Industriprodukter AB
Berth Ulrik Gustafsson
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
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