Downward filtration, the filter material being supported by pervious surfaces

Industry

CPC
B01D24/22

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B01Physical, chemical processing B01DSEPARATION B01D24/00Filters comprising loose filtering material

Current Industry

B01D24/22Downward filtration, the filter material being supported by pervious surfaces

Industries

Patents Grantslast 30 patents

Information Patent Grant
Enhanced shape support grid
- Patent number 11,826,678
- Issue date Nov 28, 2023
- Aqseptence Group, Inc.
- Garth Hayes Saul
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Integrated unit for intake and pretreatment with local backwashing
- Patent number 11,565,199
- Issue date Jan 31, 2023
- IDE Water Technologies Ltd.
- Boris Liberman
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Underdrain system using one-piece cell dividers
- Patent number 11,161,063
- Issue date Nov 2, 2021
- SUEZ GROUPE S.A.S.
- Emily Gilbert
- E04 - BUILDING
Information Patent Grant
Method of forming a compost filter sock
- Patent number 11,123,661
- Issue date Sep 21, 2021
- MKB COMPANY
- Michael A. Zock
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Enhanced shape support grid
- Patent number 10,933,353
- Issue date Mar 2, 2021
- Aqseptence Group, Inc.
- Garth Hayes Saul
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Integrated unit for intake and pretreatment with local backwashing
- Patent number 10,926,201
- Issue date Feb 23, 2021
- I.D.E. Technologies Ltd.
- Boris Liberman
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Portable filtration apparatus, systems and methods
- Patent number 10,905,979
- Issue date Feb 2, 2021
- Precision Dewatering, LLC
- Steven Grice
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter media retainer and underdrain system having a filter media r...
- Patent number 10,881,990
- Issue date Jan 5, 2021
- Xylem Water Solutions Zelienople LLC
- John L. Geibel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filtering and distribution device for catalytic reactor
- Patent number 10,843,158
- Issue date Nov 24, 2020
- IFP Energies Nouvelles
- Cecile Plais
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Integrated unit for intake and pretreatment with local backwashing
- Patent number 10,702,804
- Issue date Jul 7, 2020
- I.D.E. Technologies Ltd.
- Boris Liberman
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Device for treating water for household use
- Patent number 10,556,807
- Issue date Feb 11, 2020
- Alain Hierro
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Underdrain assembly for wastewater treatment
- Patent number 10,449,471
- Issue date Oct 22, 2019
- W. Keith Dobie
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Systems, devices, and methods of water filtration
- Patent number 10,435,313
- Issue date Oct 8, 2019
- ZERO TECHNOLOGIES, LLC
- Doug Kellam
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Gravity filter
- Patent number 10,336,629
- Issue date Jul 2, 2019
- Helen of Troy Limited
- Michael Donovan Mitchell
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Open filtration device for a water treatment station
- Patent number 10,183,241
- Issue date Jan 22, 2019
- Domingo Campillo Jara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter underdrain with internal air scour laterals
- Patent number 10,143,944
- Issue date Dec 4, 2018
- Ovivo Inc.
- Gary D. Haggard
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Systems and methods of eliminating filter air locks
- Patent number 10,099,942
- Issue date Oct 16, 2018
- ZERO TECHNOLOGIES, LLC
- Doug Kellam
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Gravity filter
- Patent number 9,994,461
- Issue date Jun 12, 2018
- Helen of Troy Limited
- Michael Donovan Mitchell
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Modular stormwater filtration
- Patent number 9,718,007
- Issue date Aug 1, 2017
- C4S LLC
- Ken Perry
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Quick-dry filter dewatering mobile process and apparatus
- Patent number 9,675,907
- Issue date Jun 13, 2017
- Franklin David Deskins
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Continuous circulation sand filter and continuous circulation sand...
- Patent number 9,567,241
- Issue date Feb 14, 2017
- COWAY ENTECH CO., LTD
- Youn-Kook Kim
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Dissolved air flotation-type pretreatment apparatus
- Patent number 9,440,864
- Issue date Sep 13, 2016
- Doosan Heavy Industries & Construction Co., Ltd.
- Sung Woo Woo
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Water filter
- Patent number 9,359,225
- Issue date Jun 7, 2016
- E. Neal Caldwell
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Device for purifying a water sink
- Patent number 9,193,606
- Issue date Nov 24, 2015
- Institute of Nuclear Energy Research, Atomic Energy Council
- Chun-Ping Huang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Filtering machine
- Patent number 9,108,129
- Issue date Aug 18, 2015
- John Andrew Timmins
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Filter media retainer assembly
- Patent number 8,871,093
- Issue date Oct 28, 2014
- Xylem Water Solutions Zelienople LLC
- Christopher J. Ball
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Leveling hold-down mechanism for lateral screens
- Patent number 8,491,787
- Issue date Jul 23, 2013
- Johnson Screens, Inc.
- Timothy Wolf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Flume for a filter system including at least one filter having a fi...
- Patent number 7,758,750
- Issue date Jul 20, 2010
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for enhancing filter bed performance
- Patent number 7,163,630
- Issue date Jan 16, 2007
- Dennis Chilcote
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for enhancing filter bed performance
- Patent number 6,890,440
- Issue date May 10, 2005
- NBE, LLC
- Dennis Chilcote
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SOLID-LIQUID FILTRATION ASSEMBLY AND METHOD OF USE
- Publication number 20240252957
- Publication date Aug 1, 2024
- Paul Liotta
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
LIQUID FILTERATION SYSTEM
- Publication number 20220001306
- Publication date Jan 6, 2022
- Atharv N. Naidu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ENHANCED SHAPE SUPPORT GRID
- Publication number 20210354057
- Publication date Nov 18, 2021
- Aqseptence Group, Inc.
- Garth Hayes Saul
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
STORMWATER FILTER UTILIZING A HYDROPONIC BED AS FILTERING COMPONENT
- Publication number 20210340041
- Publication date Nov 4, 2021
- AquaShield, Inc.
- Stuart C. Ellis
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
INTEGRATED UNIT FOR INTAKE AND PRETREATMENT WITH LOCAL BACKWASHING
- Publication number 20210031125
- Publication date Feb 4, 2021
- IDE PROJECTS LTD.
- Boris LIBERMAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PORTABLE FILTRATION APPARATUS, SYSTEMS AND METHODS
- Publication number 20200276526
- Publication date Sep 3, 2020
- PRECISION DEWATERING, LLC
- STEVEN GRICE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTERING AND DISTRIBUTION DEVICE FOR CATALYTIC REACTOR
- Publication number 20200261875
- Publication date Aug 20, 2020
- IFP ENERGIES NOUVELLES
- Cecile PLAIS
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Integrated unit for intake and pretreatment with local backwashing
- Publication number 20200054970
- Publication date Feb 20, 2020
- I.D.E. TECHNOLOGIES LTD.
- Boris LIBERMAN
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
HYBRID FILTRATION SOCK AND UNIVERSAL MOBILE FIELD EXTRUSION SYSTEM...
- Publication number 20190388806
- Publication date Dec 26, 2019
- Michael A. Zock
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
GRAVITY FILTER
- Publication number 20190263683
- Publication date Aug 29, 2019
- HELEN OF TROY LIMITED
- Michael Donovan Mitchell
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
INTEGRATED UNIT FOR INTAKE AND PRETREATMENT WITH LOCAL BACKWASHING
- Publication number 20190083907
- Publication date Mar 21, 2019
- I.D.E. TECHNOLOGIES LTD.
- Boris LIBERMAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
TAIL WATER DECENTRALIZED TREATMENT AND DRAINAGE SYSTEM OF SEWAGE TR...
- Publication number 20190047888
- Publication date Feb 14, 2019
- Powerchina Huadong Engineering Corporation Limited
- Yi JIN
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
GRAVITY FILTER
- Publication number 20180346351
- Publication date Dec 6, 2018
- HELEN OF TROY LIMITED
- Michael Donovan Mitchell
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filter Media Retainer and Underdrain System Having a Filter Media R...
- Publication number 20180333660
- Publication date Nov 22, 2018
- XYLEM WATER SOLUTIONS ZELIENOPLE LLC
- John L. Geibel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DEVICE FOR TREATING WATER FOR HOUSEHOLD USE
- Publication number 20180282179
- Publication date Oct 4, 2018
- Alain HIERRO
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Filter System with Integral Media Retainer Seal
- Publication number 20180021702
- Publication date Jan 25, 2018
- XYLEM WATER SOLUTIONS ZELIENOPLE LLC
- Howard James Sweeney
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filter Underdrain with Internal Air Scour Laterals
- Publication number 20170319989
- Publication date Nov 9, 2017
- Ovivo Inc.
- Gary D. Haggard
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filter System with Integral Media Retainer Seal
- Publication number 20160243467
- Publication date Aug 25, 2016
- XYLEM WATER SOLUTIONS ZELIENOPLE LLC
- Howard James Sweeney
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
INTEGRATED UNIT FOR INTAKE AND PRETREATMENT WITH LOCAL BACKWASHING
- Publication number 20160114265
- Publication date Apr 28, 2016
- I.D.E. TECHNOLOGIES LTD.
- Boris LIBERMAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
OPEN FILTERING EQUIPMENT FOR A WATER TREATMENT STATION
- Publication number 20160067633
- Publication date Mar 10, 2016
- Campillo Jara
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
An Underdrain for a Filter System for Filtering Water or Wastewater...
- Publication number 20150273364
- Publication date Oct 1, 2015
- Roberts Marketing De, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
QUICK-DRY FILTER DEWATERING MOBILE PROCESS AND APPARATUS
- Publication number 20140305856
- Publication date Oct 16, 2014
- Franklin David Deskins
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
"UNDERDRAIN FILTER FOR POWER GENERATION AND LIQUID PROCESS FILTRATI...
- Publication number 20140246365
- Publication date Sep 4, 2014
- Graver Technologies, LLC
- John McPeak
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CONTINUOUS CIRCULATION SAND FILTER AND CONTINUOUS CIRCULATION SAND...
- Publication number 20140190908
- Publication date Jul 10, 2014
- COWAY CO., LTD.
- Youn-Kook Kim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filter System with Integral Media Retainer Seal
- Publication number 20140166567
- Publication date Jun 19, 2014
- XYLEM WATER SOLUTIONS ZELIENOPLE LLC
- Howard James Sweeney
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ENHANCED SHAPE SUPPORT GRID
- Publication number 20140027369
- Publication date Jan 30, 2014
- Bilfinger Water Technologies Inc.
- Garth Hayes Saul
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DISSOLVED AIR FLOTATION-TYPE PRETREATMENT APPARATUS
- Publication number 20140014562
- Publication date Jan 16, 2014
- Doosan Heavy Industries & Construction Co., Ltd.
- Sung Woo Woo
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
Filter Media Retainer Assembly
- Publication number 20130180906
- Publication date Jul 18, 2013
- XYLEM WATER SOLUTIONS ZELIENOPLE LLC
- Christopher J. Ball
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Leveling Hold-Down Mechanism for Lateral Screens
- Publication number 20120312728
- Publication date Dec 13, 2012
- JOHNSON SCREENS, INC.
- Timothy Wolf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTERING MACHINE
- Publication number 20120267311
- Publication date Oct 25, 2012
- John Andrew Timmins
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Downward filtration, the filter material being supported by pervious surfaces

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Enhanced shape support grid

Integrated unit for intake and pretreatment with local backwashing

Underdrain system using one-piece cell dividers

Method of forming a compost filter sock

Enhanced shape support grid

Integrated unit for intake and pretreatment with local backwashing

Portable filtration apparatus, systems and methods

Filter media retainer and underdrain system having a filter media r...

Filtering and distribution device for catalytic reactor

Integrated unit for intake and pretreatment with local backwashing

Device for treating water for household use

Underdrain assembly for wastewater treatment

Systems, devices, and methods of water filtration

Gravity filter

Open filtration device for a water treatment station

Filter underdrain with internal air scour laterals

Systems and methods of eliminating filter air locks

Gravity filter

Modular stormwater filtration

Quick-dry filter dewatering mobile process and apparatus

Continuous circulation sand filter and continuous circulation sand...

Dissolved air flotation-type pretreatment apparatus

Water filter

Device for purifying a water sink

Filtering machine

Filter media retainer assembly

Leveling hold-down mechanism for lateral screens

Flume for a filter system including at least one filter having a fi...

Method and apparatus for enhancing filter bed performance

Method and apparatus for enhancing filter bed performance

Patents Applicationslast 30 patents

SOLID-LIQUID FILTRATION ASSEMBLY AND METHOD OF USE

LIQUID FILTERATION SYSTEM

ENHANCED SHAPE SUPPORT GRID

STORMWATER FILTER UTILIZING A HYDROPONIC BED AS FILTERING COMPONENT

INTEGRATED UNIT FOR INTAKE AND PRETREATMENT WITH LOCAL BACKWASHING

PORTABLE FILTRATION APPARATUS, SYSTEMS AND METHODS

FILTERING AND DISTRIBUTION DEVICE FOR CATALYTIC REACTOR

Integrated unit for intake and pretreatment with local backwashing

HYBRID FILTRATION SOCK AND UNIVERSAL MOBILE FIELD EXTRUSION SYSTEM...

GRAVITY FILTER

INTEGRATED UNIT FOR INTAKE AND PRETREATMENT WITH LOCAL BACKWASHING

TAIL WATER DECENTRALIZED TREATMENT AND DRAINAGE SYSTEM OF SEWAGE TR...

GRAVITY FILTER

Filter Media Retainer and Underdrain System Having a Filter Media R...

DEVICE FOR TREATING WATER FOR HOUSEHOLD USE

Filter System with Integral Media Retainer Seal

Filter Underdrain with Internal Air Scour Laterals

Filter System with Integral Media Retainer Seal

INTEGRATED UNIT FOR INTAKE AND PRETREATMENT WITH LOCAL BACKWASHING

OPEN FILTERING EQUIPMENT FOR A WATER TREATMENT STATION

An Underdrain for a Filter System for Filtering Water or Wastewater...

QUICK-DRY FILTER DEWATERING MOBILE PROCESS AND APPARATUS

"UNDERDRAIN FILTER FOR POWER GENERATION AND LIQUID PROCESS FILTRATI...

CONTINUOUS CIRCULATION SAND FILTER AND CONTINUOUS CIRCULATION SAND...

Filter System with Integral Media Retainer Seal

ENHANCED SHAPE SUPPORT GRID

DISSOLVED AIR FLOTATION-TYPE PRETREATMENT APPARATUS

Filter Media Retainer Assembly

Leveling Hold-Down Mechanism for Lateral Screens

FILTERING MACHINE