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the filtering material being supported by pervious surfaces
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B01D24/165
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PERFORMING OPERATIONS TRANSPORTING
B01
Physical, chemical processing
B01D
SEPARATION
B01D24/00
Filters comprising loose filtering material
Current Industry
B01D24/165
the filtering material being supported by pervious surfaces
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Patents Grants
last 30 patents
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Patent Grant
Water purification housing and rainwater purification system using...
Patent number
12,017,160
Issue date
Jun 25, 2024
Kwan Jung
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Liquid treatment device
Patent number
11,833,452
Issue date
Dec 5, 2023
Canpro Water Treatment Inc.
Yiu Chau Chau
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Media purification devices having intergral flow controllers
Patent number
11,535,530
Issue date
Dec 27, 2022
Unger Marketing International, L.L.C.
Robert Camp
B08 - CLEANING
Information
Patent Grant
Nutrient removal filtration system and method
Patent number
11,253,798
Issue date
Feb 22, 2022
Oldcastle Infrastructure, Inc.
Thomas Happel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus and method for filtering aqueous liquid
Patent number
11,185,800
Issue date
Nov 30, 2021
Conopco, Inc.
Debosree Chatterjee
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Contaminant extraction in a borehole
Patent number
11,162,333
Issue date
Nov 2, 2021
Romolo Lorenzo Bertani
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Cartridge filter using nanofiber composite fiber yarn and method fo...
Patent number
11,103,817
Issue date
Aug 31, 2021
AMOGREENTECH CO., LTD.
Chan Kim
D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information
Patent Grant
Up-flow water filtration system
Patent number
11,065,563
Issue date
Jul 20, 2021
Atlantic Construction Fabrics, Inc.
Corey Simonpietri
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Filtering system for removing chemicals from fluids
Patent number
10,870,589
Issue date
Dec 22, 2020
Jan D. Graves
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Media purification devices having integral flow controllers
Patent number
10,829,396
Issue date
Nov 10, 2020
Unger Marketing International, L.L.C.
Robert Camp
B08 - CLEANING
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
Filtration system
Patent number
10,493,384
Issue date
Dec 3, 2019
Asama Coldwater Manufacturing Inc.
Kevin McVicker
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter assembly with locking cover
Patent number
10,414,671
Issue date
Sep 17, 2019
Unger Marketing International, L.L.C.
Kai Hirsch
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
Nutrient removal filtration system and method
Patent number
10,183,240
Issue date
Jan 22, 2019
Suntree Technologies Holdings, LLC
Thomas Happel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fluid filter arrangement for a motor vehicle drive train
Patent number
10,124,278
Issue date
Nov 13, 2018
Getrag Getriebe- und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KG
Christian Anzt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fluid treatment apparatus including granular treatment medium
Patent number
10,106,435
Issue date
Oct 23, 2018
Yiu Chau Chau
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Ion-exchanger
Patent number
9,873,066
Issue date
Jan 23, 2018
Roki Co., Ltd.
Masaya Ogura
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Water filter
Patent number
9,861,083
Issue date
Jan 9, 2018
INTERPET LTD.
Andrew Paxton
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter cartridge and filter device
Patent number
9,795,902
Issue date
Oct 24, 2017
ELYSATOR Genossenschaft
Manuel Rickenbach
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Filter medium layer and filter device provided with same
Patent number
9,718,004
Issue date
Aug 1, 2017
ISHIGAKI Company Limited
Kunio Fujita
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Zero-backwash liquid filter
Patent number
9,095,794
Issue date
Aug 4, 2015
Steven C. Suchanek
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Upward-type filtering apparatus characterized in laminating method...
Patent number
8,864,989
Issue date
Oct 21, 2014
Kazunori Koishi
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Filter assembly with vortex fluid distributor
Patent number
7,378,019
Issue date
May 27, 2008
Little Giant Pump Company
Jon D. Currier
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Liquid filtration apparatus embodying super-buoyant filtration part...
Patent number
7,270,745
Issue date
Sep 18, 2007
Steven H. Schwartzkopf
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Liquid filtration method embodying superbuoyant filtration particles
Patent number
7,270,755
Issue date
Sep 18, 2007
Steven H. Schwartzkopf
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Liquid filtration apparatus and method embodying filtration particl...
Patent number
6,638,422
Issue date
Oct 28, 2003
Steven H. Schwartzkopf
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Deep media filter
Patent number
6,605,216
Issue date
Aug 12, 2003
Sinomed Ltd.
Ilan Lederman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filtration unit
Patent number
6,110,389
Issue date
Aug 29, 2000
Amikam Horowitz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for backwashing water processing systems
Patent number
5,750,041
Issue date
May 12, 1998
Ken Hirane
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
WATER PURIFICATION HOUSING AND RAINWATER PURIFICATION SYSTEM USING...
Publication number
20220387909
Publication date
Dec 8, 2022
Kwan JUNG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Nutrient Removal Filtration System and Method
Publication number
20220134258
Publication date
May 5, 2022
OLDCASTLE INFRASTRUCTURE, INC.
Thomas Happel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
APPARATUS AND METHOD FOR FILTERING AQUEOUS LIQUID
Publication number
20200391138
Publication date
Dec 17, 2020
CONOPCO, INC., D/B/A UNILEVER
Debosree Chatterjee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Liquid Treatment Device
Publication number
20200353382
Publication date
Nov 12, 2020
Canpro Water Treatment Inc.
Yiu Chau CHAU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NUTRIENT REMOVAL FILTRATION SYSTEM AND METHOD
Publication number
20200316496
Publication date
Oct 8, 2020
OLDCASTLE INFRASTRUCTURE, INC.
Thomas Happel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Up-Flow Water Filtration System
Publication number
20200246727
Publication date
Aug 6, 2020
Atlantic Construction Fabrics, Inc.
Corey Simonpietri
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CONTAMINANT EXTRACTION IN A BOREHOLE
Publication number
20200063534
Publication date
Feb 27, 2020
Romolo Lorenzo BERTANI
E21 - EARTH DRILLING MINING
Information
Patent Application
FLUID TREATMENT APPARATUS AND COMPONENTS OF FLUID TREATMENT APPARATUS
Publication number
20160016817
Publication date
Jan 21, 2016
Yiu Chau CHAU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
INDEFINITE FORM FILTER MEDIUM LAYER AND FILTER DEVICE PROVIDED WITH...
Publication number
20140291224
Publication date
Oct 2, 2014
ISHIGAKI COMPANY LIMITED
Kunio Fujita
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ZERO-BACKWASH LIQUID FILTER
Publication number
20140131294
Publication date
May 15, 2014
Steven C. Suchanek
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Shower Filter
Publication number
20130319929
Publication date
Dec 5, 2013
David Aaron Farley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTRATION SYSTEM
Publication number
20130299409
Publication date
Nov 14, 2013
Metawater Co., Ltd.
Atsushi Miyata
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
WATER FILTER
Publication number
20120318755
Publication date
Dec 20, 2012
INTERPET LTD
Andrew Paxton
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
ZERO-BACKWASH LIQUID FILTER
Publication number
20120211443
Publication date
Aug 23, 2012
Steven C. Suchanek
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
UPWARD-TYPE FILTERING APPARATUS CHARACTERIZED IN LAMINATING METHOD...
Publication number
20120138524
Publication date
Jun 7, 2012
Kazunori Koishi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Filter system for filtering water or wastewater and a method of ope...
Publication number
20070210017
Publication date
Sep 13, 2007
Donald John Mackay
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Liquid filtration apparatus and method embodying super-buoyant filt...
Publication number
20050127011
Publication date
Jun 16, 2005
Steven H. Schwartzkopf
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Liquid filtration apparatus and method embodying super-buoyant filt...
Publication number
20050029204
Publication date
Feb 10, 2005
Steven H. Schwartzkopf
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Apparatus for the purification of liquids
Publication number
20020023869
Publication date
Feb 28, 2002
Aleksandr Dmitrievich Remizov
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL