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CPC
B01D29/39
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Parent Industries
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PERFORMING OPERATIONS TRANSPORTING
B01
Physical, chemical processing
B01D
SEPARATION
B01D29/00
Other filters with filtering elements stationary during filtration
Current Industry
B01D29/39
with hollow discs side by side on, or around, one or more tubes
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Patents Grants
last 30 patents
Information
Patent Grant
Disk filter for preventing scale formation and water treatment appa...
Patent number
12,139,428
Issue date
Nov 12, 2024
Doosan Heavy Industries & Construction Co. LTD
Seong Ju Kim
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hydrogen sulfide production method and sulfur recovery method
Patent number
11,459,236
Issue date
Oct 4, 2022
SUMITOMO CHEMICAL COMPANY, LIMITED
Yoshihiro Nakada
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Finned strainer
Patent number
11,373,771
Issue date
Jun 28, 2022
Atomic Energy of Canada Limited
David Bruce Rhodes
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Finned strainer
Patent number
11,361,870
Issue date
Jun 14, 2022
Atomic Energy of Canada Limited
David Bruce Rhodes
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Filter with closely-spaced vertical plates
Patent number
11,173,430
Issue date
Nov 16, 2021
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Methods and apparatus for treating water and wastewater employing a...
Patent number
10,905,981
Issue date
Feb 2, 2021
Alfa Laval Corporate AB
Charles G. Dannemann
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Injection-molding method for mesh filter, injection-molding mold, a...
Patent number
10,611,069
Issue date
Apr 7, 2020
Enplas Corporation
Toru Nakahara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Disk type filtering apparatus
Patent number
10,016,706
Issue date
Jul 10, 2018
Alfa Laval Corporate AB
Charles G. Dannemann
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Closure for leaf filter in alumina production
Patent number
9,993,755
Issue date
Jun 12, 2018
SEFAR BDH INC.
Luc Parent
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Disk type filtering apparatus
Patent number
9,962,633
Issue date
May 8, 2018
Alfa Laval Corporate AB
Charles G. Danneman
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Filter for molten polymer filtration
Patent number
9,895,638
Issue date
Feb 20, 2018
N.V. Bekaert S.A.
Frank Verschaeve
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Filtration apparatus
Patent number
9,889,393
Issue date
Feb 13, 2018
Awa Paper Mfg. Co., Ltd.
Koichi Nakagawa
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for regenerating filter aid used in a winterization process
Patent number
9,695,383
Issue date
Jul 4, 2017
BUNGE NÖVÉNYOLAJIPARI ZÁRTKÖRUEN MUKÖDO RÉSZVÉNYTÁRSASÁG
Zsolt Kemeny
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Suction apparatus for fabric filter and filtering device for liquid...
Patent number
9,352,255
Issue date
May 31, 2016
ANT CORPORATION
Younglong Kuk
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Leaf filter system and replaceable filter leaf apparatus
Patent number
9,248,386
Issue date
Feb 2, 2016
William J. Grocecki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter apparatus and method of use
Patent number
9,242,193
Issue date
Jan 26, 2016
3M Innovative Properties Company
Deborah M. Bryan
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Methods and apparatus for treating water and wastewater employing a...
Patent number
8,852,445
Issue date
Oct 7, 2014
Alfa Laval Ashbrook Simon-Hartley, Inc
Yongming Xia
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filtering apparatus
Patent number
8,778,183
Issue date
Jul 15, 2014
Awa Paper Mfg. Co., Ltd.
Koichi Nakagawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Methods and apparatus for treating water and wastewater employing a...
Patent number
8,778,174
Issue date
Jul 15, 2014
Alfa Laval Ashbrook Simon-Hartley Inc.
Yongming Xia
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Tertiary wastewater filtration using inclined filter media and inte...
Patent number
8,734,641
Issue date
May 27, 2014
Anthony Collins
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filtering and condensing apparatus of suction type
Patent number
8,623,211
Issue date
Jan 7, 2014
Metawater Co., Ltd.
Hiroyasu Yamane
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Displacement filter apparatus
Patent number
8,574,436
Issue date
Nov 5, 2013
Sean R. Duby
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Sludge filtration apparatus and filter assembly thereof
Patent number
8,540,079
Issue date
Sep 24, 2013
Metawater Co., Ltd.
Koji Yoshida
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Leaf filter system and replaceable filter leaf apparatus
Patent number
8,425,774
Issue date
Apr 23, 2013
William J. Grodecki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Displacement filter method
Patent number
8,133,397
Issue date
Mar 13, 2012
Sean R. Duby
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Leaf filter system and replaceable filter leaf apparatus
Patent number
8,075,775
Issue date
Dec 13, 2011
William J. Grodecki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filtering device for liquid filtration
Patent number
8,048,296
Issue date
Nov 1, 2011
Jay Stevens
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Backwash assembly having a rotating backwash arm for cleaning cloth...
Patent number
7,981,290
Issue date
Jul 19, 2011
Aqua-Aerobic Systems, Inc.
Peter G. Baumann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Leaf filter system and replaceable filter leaf apparatus
Patent number
7,922,905
Issue date
Apr 12, 2011
William J. Grodecki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Processes for water and wastewater treatment, including stationary...
Patent number
7,871,527
Issue date
Jan 18, 2011
Aqua-Aerobic Systems, Inc.
David Smith
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
SANITARY MEMBRANE LEAF PACKET AND MEMBRANE ELEMENT INCLUDING SAME
Publication number
20240139656
Publication date
May 2, 2024
Solecta, Inc.
David Richard Kimber
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Retainer For Filters, Manufacturing Method Therefor, And Leaf Disc...
Publication number
20230256365
Publication date
Aug 17, 2023
Fuji Filter Manufacturing Co., Ltd.
Toshiaki TAKANO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NUTRIENT CONCENTRATION AND WATER RECOVERY SYSTEM AND ASSOCIATED MET...
Publication number
20230241532
Publication date
Aug 3, 2023
Renewable Energy Alternatives, LLC
Robert KNOOP
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SCALABLE COMMUNICATION SWITCH SYSTEM
Publication number
20220157479
Publication date
May 19, 2022
Liqid Inc.
Christopher Long
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
SANITARY DISC STRAINER
Publication number
20210370203
Publication date
Dec 2, 2021
Timothy David Reuter
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HYDROGEN SULFIDE PRODUCTION METHOD AND SULFUR RECOVERY METHOD
Publication number
20210053828
Publication date
Feb 25, 2021
SUMITOMO CHEMICAL COMPANY, LIMITED
Yoshihiro NAKADA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER APPARATUS AND/OR METHOD
Publication number
20200376417
Publication date
Dec 3, 2020
Oded SHAMIR
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FINNED STRAINER
Publication number
20200373034
Publication date
Nov 26, 2020
ATOMIC ENERGY OF CANADA LIMITED
David Bruce RHODES
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NUTRIENT CONCENTRATION AND WATER RECOVERY SYSTEM AND ASSOCIATED MET...
Publication number
20200023293
Publication date
Jan 23, 2020
Renewable Energy Alternatives, LLC
Robert KNOOP
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
FILTER WITH CLOSELY-SPACED VERTICAL PLATES
Publication number
20190329163
Publication date
Oct 31, 2019
Gaudfrin
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DISK FILTER FOR PREVENTING SCALE FORMATION AND WATER TREATMENT APPA...
Publication number
20190119135
Publication date
Apr 25, 2019
Doosan Heavy Industries & Construction Co., Ltd.
Seong Ju Kim
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
INJECTION-MOLDING METHOD FOR MESH FILTER, INJECTION-MOLDING MOLD, A...
Publication number
20180236701
Publication date
Aug 23, 2018
ENPLAS CORPORATION
Toru NAKAHARA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
FILTER MEDIUM, FILTER MEMBER PROVIDED WITH FILTER MEDIUM, AND PRODU...
Publication number
20180104880
Publication date
Apr 19, 2018
NAGASE & CO., LTD.
Yoshiaki FUKUDA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHODS AND APPARATUS FOR TREATING WATER AND WASTEWATER EMPLOYING A...
Publication number
20180078883
Publication date
Mar 22, 2018
Alfa Laval Corporate AB
Charles G. Dannemann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FINNED STRAINER
Publication number
20180025798
Publication date
Jan 25, 2018
ATOMIC ENERGY OF CANADA LIMITED
DAVID BRUCE RHODES
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR REGENERATING FILTER AID USED IN A WINTERIZATION PROCESS
Publication number
20170282157
Publication date
Oct 5, 2017
BUNGE NÖVÉNYOLAJIPARI ZÁRTKÖRUEN MUKÖDO RÉSZVÉNYTÁRSASÁG
Zsolt Kemeny
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
FILTER FOR MOLTEN POLYMER FILTRATION
Publication number
20170128866
Publication date
May 11, 2017
N.V. BEKAERT S.A.
Frank VERSCHAEVE
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
BAGGED FILTER CARTRIDGE, SYSTEM AND METHOD
Publication number
20170080367
Publication date
Mar 23, 2017
BHA Altair, LLC
Richard Johnson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DISC FILTER AND A METHOD OF CONSTRUCTING A DISC FILTER SECTOR
Publication number
20160263497
Publication date
Sep 15, 2016
GL&V Luxembourg S.à.r.l.
Eric Giasson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
LEAF FILTER SYSTEM AND REPLACEABLE FILTER LEAF APPARATUS
Publication number
20160144300
Publication date
May 26, 2016
William J. Grodecki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHODS AND APPARATUS FOR TREATING WATER AND WASTEWATER EMPLOYING A...
Publication number
20160059156
Publication date
Mar 3, 2016
Alfa Laval Corporate AB
Charles G. Dannemann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
RETAINER FOR FILTER, AND FILTER USING SAME
Publication number
20160051911
Publication date
Feb 25, 2016
NAGASE FILTER CO., LTD.
Hideki HAYASHI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
BAGGED FILTER CARTRIDGE, SYSTEM AND METHOD
Publication number
20150129510
Publication date
May 14, 2015
PECOFACET (OKLAHOMA) LLC
Richard Johnson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTRATION ELEMENT AND ASSEMBLY FOR BIOPROCESS APPLICATIONS
Publication number
20140224748
Publication date
Aug 14, 2014
3M Innovative Properties Company
Deborah M. Bryan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DEVICE FOR SEPARATING SOLID PARTICLES FROM LIQUID, AND USE THEREOF
Publication number
20140131291
Publication date
May 15, 2014
DRM, DR. MÜLLER AG
Ivo Schumacher
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTRATION APPARATUS
Publication number
20130284655
Publication date
Oct 31, 2013
Koichi Nakagawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
LEAF FILTER SYSTEM AND REPLACEABLE FILTER LEAF APPARATUS
Publication number
20130232763
Publication date
Sep 12, 2013
William J. Grodecki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Bagged Filter Cartridge, System and Method
Publication number
20130186841
Publication date
Jul 25, 2013
Purolator Liquid Process, Inc.
Richard Johnson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHODS AND APPARATUS FOR TREATING WATER AND WASTEWATER EMPLOYING A...
Publication number
20130105415
Publication date
May 2, 2013
Yongming Xia
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SUCTION APPARATUS FOR FABRIC FILTER AND FILTERING DEVICE FOR LIQUID...
Publication number
20130048553
Publication date
Feb 28, 2013
Younglong KUK
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL