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Walter Herding
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Amberg, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Filter element
Patent number
11,529,576
Issue date
Dec 20, 2022
Herding GmbH Filtertechnik
Walter Herding
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Reactor and method for anaerobic wastewater treatment
Patent number
7,485,228
Issue date
Feb 3, 2009
Atz-Evns
Walter Herding
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Dimensionally stable, cross-flow permeable fluid treatment element
Patent number
6,709,589
Issue date
Mar 23, 2004
Herding GmbH Filtertechnik
Walter Herding
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Sintered plastic particles filter element
Patent number
6,331,197
Issue date
Dec 18, 2001
Herding GmbH Filtertechnik
Walter Herding
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fibre-coated filter element
Patent number
5,874,000
Issue date
Feb 23, 1999
Herding GmbH Filtertechnik
Walter Herding
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fixed-bed bioreactor and carrier body for purifying fluids
Patent number
5,618,412
Issue date
Apr 8, 1997
Herding GmbH Entstaubungsanlagen
Walter Herding
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Filter element having an inherently stable, permeably porous plasti...
Patent number
5,547,481
Issue date
Aug 20, 1996
Herding GmbH Entstaubungsanlagen
Walter Herding
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter for the separating of solids particles from hot, gaseous or...
Patent number
4,979,969
Issue date
Dec 25, 1990
Herding GmbH
Walter Herding
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Carrier material for immobilization of microorganisms
Patent number
4,876,288
Issue date
Oct 24, 1989
Herding GmbH Entstaubungsanlagen
Walter Herding
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
Compressed Air Pulse Cleaning System Without Blow Tube
Publication number
20240100465
Publication date
Mar 28, 2024
Herding GmbH Filtertechnik
Walter Herding
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Filter Element With Gasket Surrounding Filter Head
Publication number
20240100460
Publication date
Mar 28, 2024
Herding GmbH Filtertechnik
Walter Herding
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR THE DRY FILTRATION OF A GAS FLOW CARRYING FOREIGN OBJECT...
Publication number
20230330581
Publication date
Oct 19, 2023
Herding GmbH Filtertechnik
Walter Herding
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR THE DRY FILTRATION OF A GAS FLOW CARRYING FOREIGN OBJECT...
Publication number
20230079987
Publication date
Mar 16, 2023
Herding GmbH Filtertechnik
Walter Herding
B22 - CASTING POWDER METALLURGY
Information
Patent Application
FILTER ELEMENT
Publication number
20200298154
Publication date
Sep 24, 2020
Herding GmbH Filtertechnik
Walter Herding
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Reactor and Method for Anaerobic Wastewater Treatment
Publication number
20070251880
Publication date
Nov 1, 2007
Walter Herding
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL