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TUMBA, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Arrangement for controlling the microwave power of magnetrons
Patent number
4,939,331
Issue date
Jul 3, 1990
Alfastar AB
Benny Berggren
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and arrangement for controlling output power of a plurality...
Patent number
4,939,330
Issue date
Jul 3, 1990
Alfastar AB
Benny Berggren
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus using microwave energy for heating continuously passing g...
Patent number
4,870,236
Issue date
Sep 26, 1989
Alfastar AB
Benny Berggren
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Heat treating cassette for a conveyor apparatus
Patent number
4,816,231
Issue date
Mar 28, 1989
Alfastar AB
Lennart Stenstrom
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Heat stable microwave energy sterilization method
Patent number
4,808,783
Issue date
Feb 28, 1989
Alfastar AB
Lennart Stenstrom
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Sluice device
Patent number
4,734,004
Issue date
Mar 29, 1988
Alfastar AB
Lennart Stenstrom
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73716198 - ALFASTAR AB
Serial number
73716198
Filing date
Mar 14, 1988
ALFASTAR AB
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73620750
Serial number
73620750
Registration number
1500977
Filing date
Sep 18, 1986
ALFASTAR AB
7 - Machines and machine tools