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the filtering material being supported by pervious surfaces
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B01D24/263
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B
PERFORMING OPERATIONS TRANSPORTING
B01
Physical, chemical processing
B01D
SEPARATION
B01D24/00
Filters comprising loose filtering material
Current Industry
B01D24/263
the filtering material being supported by pervious surfaces
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Patents Grants
last 30 patents
Information
Patent Grant
Water filtration device and method for re-circulating filtered wate...
Patent number
10,822,248
Issue date
Nov 3, 2020
Steven James Wagner
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Apparatus and method for removing impurities from water or wastewater
Patent number
10,463,995
Issue date
Nov 5, 2019
Roberts Marketing DE, Inc.
R. Lee Roberts
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Floating filter media filtration system with backwash
Patent number
10,407,317
Issue date
Sep 10, 2019
Metawater Co., Ltd.
Atsushi Miyata
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Restrictive up flow media filter with servicing system
Patent number
10,384,956
Issue date
Aug 20, 2019
Oldcastle Infrastructure, Inc.
Tom Happel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Solid-liquid separator and process for washing the same
Patent number
5,145,589
Issue date
Sep 8, 1992
Nishihara Environmental Sanitation Research Corporation Limited
Yasuhiro Okubo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and apparatus for separating suspended solids from liquids
Patent number
4,743,382
Issue date
May 10, 1988
The State of Oregon Acting by and through the State Board of Higher Education...
Kenneth J. Williamson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Buoyant media filter
Patent number
4,446,027
Issue date
May 1, 1984
Environmental Elements Corp.
Kathleen W. Simmers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents