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WALTHER & CIE AG, A COMPANY OF GERMANY
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KOLN 80, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method and device for the adsorption and chemisorption, respectivel...
Patent number
5,387,406
Issue date
Feb 7, 1995
Walther & Cie AG
Gunter Ruoff
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Supply circuit for electrostatic dust separator
Patent number
4,854,948
Issue date
Aug 8, 1989
Walther & Cie Aktiengesellschaft
Friedrich Eiserlo
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Electrostatic precipitator
Patent number
4,776,864
Issue date
Oct 11, 1988
Walther & Cie Aktiengesellschaft
Frank J. Werner
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Apparatus for ascertaining the level of flowable material in dust s...
Patent number
4,718,575
Issue date
Jan 12, 1988
Walther & Cie Aktiengesellschaft
Rolf Becker
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for automatic regulation of the operation of a...
Patent number
4,522,634
Issue date
Jun 11, 1985
Walther & Cie Aktiengesellschaft
Werner Frank
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Rescue system on high-rise buildings
Patent number
4,433,752
Issue date
Feb 28, 1984
Walther & Cie. Aktiengesellschaft
Franz-Josef G/u/ nter
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Rescue system on high rise buildings for evacuating persons in the...
Patent number
4,350,224
Issue date
Sep 21, 1982
Walther & Cie Aktiengesellschaft
Friedrich Jochum
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Funnel
Patent number
4,226,268
Issue date
Oct 7, 1980
Walther & Cie Aktiengesellschaft
Norbert Wasser
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method of removing SO.sub.2 and/or other acid components from waste...
Patent number
4,039,304
Issue date
Aug 2, 1977
Walther & Cie Aktiengesellschaft
Horst Bechthold
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Sprinkler system and method of operating the same
Patent number
3,958,643
Issue date
May 25, 1976
Walther & Cie Aktiengesellschaft
Ernst Landsberg
A62 - LIFE-SAVING FIRE-FIGHTING