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Stockholm, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Corona discharge arrangements for the removal of harmful substances...
Patent number
5,180,404
Issue date
Jan 19, 1993
Astra-Vent AB
Andrzej Loreth
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Air transporting arrangement
Patent number
5,077,500
Issue date
Dec 31, 1991
Astra-Vent AB
Vilmos Torok
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Air transporting arrangement
Patent number
5,053,912
Issue date
Oct 1, 1991
Astra-Vent AB
Andrzej Loreth
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrostatic air treatment and movement system
Patent number
5,024,685
Issue date
Jun 18, 1991
Astra-Vent AB
Vilmos Torok
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Arrangement for transporting air
Patent number
5,012,159
Issue date
Apr 30, 1991
Astra-Vent AB
Vilmos Torok
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Air transporting arrangement
Patent number
5,006,761
Issue date
Apr 9, 1991
Astra-Vent AB
Vilmos Torok
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Arrangement for generating an electric corona discharge in air
Patent number
4,976,752
Issue date
Dec 11, 1990
Astra-Vent AB
Vilmos Torok
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Air transporting arrangement
Patent number
4,967,119
Issue date
Oct 30, 1990
Astra-Vent AB
Vilmos Torok
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Arrangement for generating an electric corona discharge in air
Patent number
4,955,991
Issue date
Sep 11, 1990
Astra-Vent AB
Vilmos Torok
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Corona discharge air transporting arrangement
Patent number
4,812,711
Issue date
Mar 14, 1989
Astra-Vent AB
Vilmos Torok
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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