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Wigen Companies, Inc.
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Minnestrista, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Filtration processes and systems
Patent number
11,524,263
Issue date
Dec 13, 2022
WIGEN COMPANIES, INC.
Eric Paulson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
97764318 - WIGEN SINCE 1965 WATER TECHNOLOGIES A METAWATER COMPANY
Serial number
97764318
Registration number
7477918
Filing date
Jan 23, 2023
Wigen Companies, Inc.
7 - Machines and machine tools
Information
Trademark
86945379 - SPECTRUM ULTRAFILTRATION
Serial number
86945379
Registration number
5144820
Filing date
Mar 18, 2016
Wigen Companies, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
86801955 - SPECTRUM
Serial number
86801955
Filing date
Oct 28, 2015
Wigen Companies, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
86250414 - WIGEN WATER TECHNOLOGIES
Serial number
86250414
Registration number
4788343
Filing date
Apr 11, 2014
Wigen Companies, Inc.
7 - Machines and machine tools
Information
Trademark
75319495 - BRINE MISER
Serial number
75319495
Registration number
2618448
Filing date
Jul 3, 1997
Wigen Companies, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75086459 - BRINE GUARD
Serial number
75086459
Registration number
2116862
Filing date
Apr 10, 1996
Wigen Companies, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes