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Vølstad Energy AS
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Kvernaland, NO
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Patents Grants
last 30 patents
Information
Patent Grant
Stadium with ice rink channel system for heating and/or cooling
Patent number
6,615,907
Issue date
Sep 9, 2003
Vølstad Energy AS
Ove C. Vølstad
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Device forming a partition between storeys
Patent number
6,421,969
Issue date
Jul 23, 2002
Vølstad Energy AS
Ove C. Vølstad
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Method for stratified construction and heating a grass pitch, parti...
Patent number
6,398,455
Issue date
Jun 4, 2002
Vølstad Energy AS
Ove C. Vølstad
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Patents Applications
last 30 patents
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