Patents-Review.com
ClassID:

30101 ⎘

B01D2201/301 - CPC Classification

Classification description:

Details relating to filtering apparatus; Filter housing constructions Details of removable closures, lids, caps, filter heads

Sub-classes:
Recent Application in this class:
#1
20260131264
2026-05-14

FLUID FILTER MODULE

 #2
20260102723
2026-04-16

WATER PURIFIER

 #3
20260061343
2026-03-05

WATER FILTER WITH REPLACEABLE ACTIVE COMPONENTS

 #4
20260042039
2026-02-12

FILTER FOR FILTERING FLUID, BYPASS VALVE ARRANGEMENT FOR A FILTER, AND DIFFUSER DEVICE FOR A FILTER

 #5
20260034487
2026-02-05

MODULAR AIR FILTER ASSEMBLY

 #6
20260014502
2026-01-15

FILTRATION DEVICES AND ASSOCIATED FILTER ELEMENT

 #7
20250346500
2025-11-13

FILTER SYSTEM FOR HANDHELD CONTAINERS OF CONSUMABLE LIQUIDS

 #8
20250332530
2025-10-30

CONNECTING PIECE, FILTER ELEMENT ASSEMBLY AND FILTER

 #9
20250281859
2025-09-11

WATER PURIFYING APPARATUS AND FILTER STRUCTURE

 #10
20250205622
2025-06-26

Basket Type Filter Assembly

 #11
20250196030
2025-06-19

Y-STRAINER

 #12
20250177889
2025-06-05

SLURRY FILTERING APPARATUS AND SEPARATOR MANUFACTURING SYSTEM INCLUDING SAME

 #13
20250121303
2025-04-17

OIL FILTER CARTRIDGE

 #14
20250114728
2025-04-10

FUEL FILTER

 #15
20250050248
2025-02-13

Dual-Ended Cartridge

 #16
20250018319
2025-01-16

SUCTION STRAINER

 #17
20250018317
2025-01-16

BACKFLOW-PREVENTING FILTER MODULE

 #18
20240424430
2024-12-26

FILTER ASSEMBLY WITH MULTIPLE SEAL ELEMENT

 #19
20240350950
2024-10-24

WATER COOLER FILTER WITH SECURE BAYONET-TYPE CONNECTION

 #20
20240350949
2024-10-24

FUEL FILTER

 #21
20240269585
2024-08-15

DROP-IN FILTER ELEMENT ASSEMBLIES WITH AXIAL STAGED TREATMENT

 #22
20240229338
2024-07-11

MICROPLASTIC FILTER FOR A WASHING MACHINE

 #23
20240198285
2024-06-20

LIQUID SEPARATION CONSTITUENT, LIQUID SEPARATION FILTER, COMPRESSOR SYSTEM, AND METHOD OF PRODUCING LIQUID SEPARATION FILTER HAVING MULTILAYER STRUCTURE

 #24
20240141668
2024-05-02

Garbage Bin

 #25
20240133111
2024-04-25

MICROPLASTIC FILTER FOR A WASHING MACHINE

 #26
20240109013
2024-04-04

AIR FILTER WITH INTEGRATED SEALED ACCESS POR

 #27
20240100453
2024-03-28

FILTER ARRANGEMENTS FOR LIQUIDS AND METHODS OF USE

 #28
20240077173
2024-03-07

COLLAPSIBLE FLUID COLLECTION CONTAINER

 #29
20240075413
2024-03-07

Oil filter cartridge

 #30
20240066445
2024-02-29

FILTRATION DEVICES AND ASSOCIATED FILTER ELEMENT

 #31
20240058729
2024-02-22

PUSH FILTER WITH FLOATING KEY LOCK

 #32
20240042353
2024-02-08

FILTER INTERCONNECT UTILIZING CORRELATED MAGNETIC ACTUATION FOR DOWNSTREAM SYSTEM FUNCTION

 #33
20240033673
2024-02-01

AIR PURIFIER WITH INTEGRATED ELECTRONICS COOLING

 #34
20240017194
2024-01-18

Self-assisting element removal features for a filtration system

 #35
20230415080
2023-12-28

WATER PURIFIER

 #36
20230398474
2023-12-14

FILTER UNIT, TEXTILE TREATMENT APPARATUS AND METHOD

 #37
20230364536
2023-11-16

Swimming Pool Backwash Filtration Device

 #38
20230337641
2023-10-26

AQUARIUM FILTER ARRANGEMENT WITH CONTROL VALVE

 #39
20230271115
2023-08-31

MULTIPLE FILTERING DEVICE

 #40
20230258150
2023-08-17

FUEL FILTER ELEMENT

 #41
20230145088
2023-05-11

FILTER BASE FOR ELECTRONIC CONNECTION TO MATING FILTER HOUSING ASSEMBLY

 #42
20230115880
2023-04-13

WATER PURIFYING FILTER ASSEMBLY

 #43
20230079235
2023-03-16

EASY LOCK SPIN-ON FILTER

 #44
20230016651
2023-01-19

FILTER DEVICE FOR A WATER-BEARING DOMESTIC APPLIANCE, A WATER-BEARING DOMESTIC APPLIANCE WITH A FILTER DEVICE AND A METHOD FOR FILTERING WATER WITH A FILTER DEVICE

 #45
20230001334
2023-01-05

Filter arrangements for liquids and methods of use

 #46
20220379245
2022-12-01

Advanced Fuel Filtration System with Interlocking Cartridge Seal Design

 #47
20220355228
2022-11-10

WATER PURIFYING APPARATUS AND FILTER STRUCTURE

 #48
20220347607
2022-11-03

Filter for Filtering Fluid, Bypass Valve Arrangement for a Filter, and Diffuser Device for a Filter

 #49
20220347606
2022-11-03

Push filter with floating key lock

 #50
20220314147
2022-10-06

IMPROVED FILTRATION DESIGN FOR IMMERSION COOLING TANK SYSTEMS

 #51
20220306487
2022-09-29

Fluid filtering system and associated methods

 #52
20220297050
2022-09-22

Tubular filter that absorbs ethylene or other gases, for refrigerated transport containers

 #53
20220282796
2022-09-08

Valve unit, filter head for a valve unit, and filter system

 #54
20220280898
2022-09-08

Water conditioning systems

 #55
20220258082
2022-08-18

Torsional No Filter No Run System and Method

 #56
20220233977
2022-07-28

Measurement unit and filter device

 #57
20220184535
2022-06-16

Inline-type strainer

 #58
20220134261
2022-05-05

Modular filter element frame

 #59
20220118384
2022-04-21

Fuel filter

 #60
20220080337
2022-03-17

[0001] Pre-coating filter device

 #61
20220062805
2022-03-03

Fluid purification device

 #62
20220040640
2022-02-10

Water conditioning systems having diversion devices

 #63
20220032214
2022-02-03

SUBTERRANEAN GRAVITY-FLOW GRAYWATER FILTRATION APPARATUS AND SYSTEM

 #64
20220023782
2022-01-27

FILTER HOUSINGS, PURIFICATION SKIDS AND METHODS OF USE THEREOF

 #65
20220016550
2022-01-20

Filter element and filter device

 #66
20220001315
2022-01-06

FILTER ASSEMBLY

 #67
20210381642
2021-12-09

Collapsible fluid collection container

 #68
20210379514
2021-12-09

Filtration devices and associated filter element

 #69
20210370202
2021-12-02

Filter device with an element receptacle having two or more degrees of freedom relative to different axes

 #70
20210354061
2021-11-18

Filter device for fluids

 #71
20210332878
2021-10-28

Filter system for a wind turbine, a wind turbine having a filter system and method for changing an oil filter of a filter system

 #72
20210331102
2021-10-28

Filter assembly for a servovalve

 #73
20210308603
2021-10-07

Water separating residue filtration unit for high-pressure non-destructive water excavation

 #74
20210283533
2021-09-16

Liquid Filter

 #75
20210277854
2021-09-09

Filter assembly

 #76
20210267177
2021-09-02

Aquarium filter arrangement with control valve

 #77
20210236968
2021-08-05

Push filter with floating key lock

 #78
20210231256
2021-07-29

Slip-On Splice-Filter Cage

 #79
20210229009
2021-07-29

Water cooler filter with secure bayonet-type connection

 #80
20210178297
2021-06-17

FILTER BASE FOR ELECTRONIC CONNECTION TO MATING FILTER HOUSING ASSEMBLY

 #81
20210170316
2021-06-10

Self-assisting element removal features for a filtration system

 #82
20210138375
2021-05-13

Modular filtration system and method

 #83
20210129050
2021-05-06

Filter arrangements for liquids and methods of use

 #84
20210052998
2021-02-25

Push filter with floating key lock

 #85
20210046408
2021-02-18

Water purifying apparatus and filter structure

 #86
20210023486
2021-01-28

Liquid treatment apparatus and liquid treatment cartridge

 #87
20210018487
2021-01-21

Plasma separation device

 #88
20210016211
2021-01-21

Filtration system with automatic drain plug

 #89
20200384413
2020-12-10

Water conditioning systems

 #90
20200376425
2020-12-03

Filter element and filter system

 #91
20200360931
2020-11-19

Filter interconnect utilizing correlated magnetic actuation for downstream system function

 #92
20200360844
2020-11-19

Filter interconnect utilizing correlated magnetic actuation for downstream system function

 #93
20200338483
2020-10-29

Liquid dispenser

 #94
20200330907
2020-10-22

Filtration device

 #95
20200316500
2020-10-08

Machine fluid system having filter protector for sock filter in manifold tube assembly

 #96
20200306667
2020-10-01

Coalescing filter element

 #97
20200267948
2020-08-27

Water purification system and filtration block

 #98
20200248837
2020-08-06

METHOD AND APPARATUS FOR CATCHING SILT

 #99
20200247700
2020-08-06

Multistage shower water filter and water filtering method

 #100
20200230533
2020-07-23

Filter device

 #101
20200230529
2020-07-23

Filter device

 #102
20200215465
2020-07-09

Method and apparatus for catching silt

 #103
20200215464
2020-07-09

Filter device

 #104
20200214272
2020-07-09

Aquarium filter arrangement with control valve

 #105
20200180977
2020-06-11

Water filter cartridge and mating parts

 #106
20200149463
2020-05-14

COOLANT DE-AERATION RESERVOIR

 #107
20200147549
2020-05-14

Water conditioning systems having diversion devices

 #108
20200139271
2020-05-07

Two Stage Elements

 #109
20200129897
2020-04-30

FILTER BASE FOR ELECTRONIC CONNECTION TO MATING FILTER HOUSING ASSEMBLY

 #110
20200108338
2020-04-09

Push filter with floating key lock

 #111
20200016519
2020-01-16

Filter device and filtration apparatus

 #112
20200009482
2020-01-09

Water filter cartridge having an air vent

 #113
20190391130
2019-12-26

Plasma separation device

 #114
20190388811
2019-12-26

Push filter with floating key lock

 #115
20190374886
2019-12-12

Filtration system with automatic drain plug

 #116
20190374885
2019-12-12

Water cooler filter with secure bayonet-type connection

 #117
20190358567
2019-11-28

SMART WIRELESS FUEL SYSTEM MONITOR INTEGRATED INTO A FUEL FILTER ASSEMBLY T-HANDLE

 #118
20190329162
2019-10-31

Filter element assembly

 #119
20190321758
2019-10-24

Filter device and filtration device

 #120
20190282936
2019-09-19

FILTER DEVICE

 #121
20190270038
2019-09-05

Water filtration apparatus with top-loading filter cartridge housing

 #122
20190226502
2019-07-25

Hydraulic tank and method for manufacturing a hydraulic tank

 #123
20190226191
2019-07-25

Filter for removing sediment from water

 #124
20190217230
2019-07-18

Filter system

 #125
20190193006
2019-06-27

Fluid purification device

 #126
20190193000
2019-06-27

GLASS CARTRIDGE FILTERS ESPECIALLY USEFUL AS PART OF WATER-CIRCULATION SYSTEMS OF SWIMMING POOLS OR SPAS

 #127
20190168141
2019-06-06

Filter housing that accepts both single open end o-ring and double open end filter elements

 #128
20190151784
2019-05-23

Water purifying apparatus and filter structure

 #129
20190150411
2019-05-23

Aquarium filter arrangement with control valve

 #130
20190134543
2019-05-09

Push filter with floating key lock

 #131
20190070535
2019-03-07

Fluid purification device

 #132
20190060807
2019-02-28

Purification device

 #133
20190060806
2019-02-28

Purification device

 #134
20190060805
2019-02-28

Purification device

 #135
20190060803
2019-02-28

Purification device

 #136
20190046905
2019-02-14

Torsional no filter no run system and method

 #137
20190046904
2019-02-14

Filter insert and a filter arrangement

 #138
20190039003
2019-02-07

Water purifying apparatus and filter structure

 #139
20190009196
2019-01-10

Low Profile Radial Indexing Water Bowl with Integrated WIF/Connector

 #140
20180369728
2018-12-27

Water purifying apparatus and filter structure

 #141
20180362362
2018-12-20

Method of leak testing the seals in a water filter cartridge

 #142
20180361285
2018-12-20

Water purifying apparatus and filter structure

 #143
20180361282
2018-12-20

Cast filter assembly-modular design

 #144
20180283027
2018-10-04

Pool cleaner

 #145
20180257012
2018-09-13

Filter device with coupling element

 #146
20180257011
2018-09-13

Filter insert and guide arrangement

 #147
20180250618
2018-09-06

Filter device for a beverage and/or ice dispenser unit of a household cooling appliance and household appliance having a filter device

 #148
20180154287
2018-06-07

Convertible filtration system

 #149
20180147524
2018-05-31

Purification column

 #150
20180147510
2018-05-31

Filter system

 #151
20180111067
2018-04-26

Filter cap with insert

 #152
20180104627
2018-04-19

Liquid treatment apparatus with replaceable treatment cartridge and cartridge connection system

 #153
20180071668
2018-03-15

Removable fluid removal pump filter

 #154
20180071665
2018-03-15

Elastically deformable component providing indication of proper fluid filter installation and related methods

 #155
20180065067
2018-03-08

Filter having a filter bypass valve, and filter cartridge therefor

 #156
20180002887
2018-01-04

Free-flowing waterproofing system

 #157
20180001241
2018-01-04

Water filter

 #158
20170296950
2017-10-19

Liquid filter arrangement and methods

 #159
20170274304
2017-09-28

Water purifying apparatus and filter structure

 #160
20170239598
2017-08-24

Elastic component providing indication of proper installation

 #161
20170174528
2017-06-22

WATER PURIFIER

 #162
20170173506
2017-06-22

FILTER DEVICE WITH DRAINAGE MEANS IN THE COVER

 #163
20170165596
2017-06-15

BAG FILTER ASSEMBLY

 #164
20170144091
2017-05-25

Fuel filter with water separator

 #165
20170137304
2017-05-18

Water conditioning systems

 #166
20170137303
2017-05-18

Water conditioning systems having diversion devices

 #167
20170136412
2017-05-18

Fluid conditioning systems having caps with filter cartridge sealing and removal devices and/or locking devices

 #168
20170120168
2017-05-04

Coalescing filter element

 #169
20170065914
2017-03-09

Water container with floatable filter

 #170
20170056796
2017-03-02

Elastically deformable component providing indication of proper fluid filter installation and related methods

 #171
20170051471
2017-02-23

Free-flowing waterproofing system

 #172
20160375381
2016-12-29

Elastic component providing indication of proper installation

 #173
20160215740
2016-07-28

Fuel filter

 #174
20160193554
2016-07-07

Filter apparatus with torque limiting mechanism

 #175
20160107112
2016-04-21

Bi-stable component providing indication of proper installation

 #176
20160074783
2016-03-17

Push filter with floating key lock

 #177
20150307365
2015-10-29

Water filter cartridge and manifold head seal

 #178
20150251120
2015-09-10

Filter element adaptor for compressed air filter

 #179
20150209711
2015-07-30

Purification column

 #180
20150209705
2015-07-30

Filter base system and filter assembly

 #181
20150114894
2015-04-30

Filters

 #182
20150107205
2015-04-23

Ramped filter vessel

 #183
20150014256
2015-01-15

Convertible filtration system

 #184
20140353234
2014-12-04

Filter housing with locking form-fit elements and spring loading a filter element in the housing

 #185
20140339177
2014-11-20

Bottle system and method for filtering or treating a beverage

 #186
20140027368
2014-01-30

Water filter housing sieve

 #187
20130341261
2013-12-26

Filter cartridges and manifolds for linear motion installation

 #188
20130340399
2013-12-26

Filter device having an annular filter element

 #189
20130334126
2013-12-19

In Line Top Opening Filter Housing Unit

 #190
20130256206
2013-10-03

Filter element, a filter set, and a filter device

 #191
20130193083
2013-08-01

FILTRATION SYSTEM

 #192
20130081989
2013-04-04

Liquid filtration systems, components, and methods

 #193
20120261323
2012-10-18

Filter apparatus with torque limiting mechanism

 #194
20120132581
2012-05-31

Filter for removing sediment from water

 #195
20120111778
2012-05-10

Manifold and strainer assembly

 #196
20120090087
2012-04-19

Circulating device for baths

 #197
20120067804
2012-03-22

Loose-proof structure of a filter cartridge shell

 #198
20110303591
2011-12-15

Filtering apparatus for treating ballast water

 #199
20110271704
2011-11-10

Sediment trap system and method

 #200
20110203099
2011-08-25

Fluid filter with an attachment structure on an endplate of the filtering element

 #201
20110041315
2011-02-24

Fluid filter element

 #202
20110005989
2011-01-13

Filtration systems and fitting arrangements for filtration systems

 #203
20100126946
2010-05-27

SYSTEM AND MOTHOD FOR FILTERINGEITH SAFETY FEATURES

 #204
20100108590
2010-05-06

Fluid filter with an attachment structure on an endplate of the filtering element

 #205
20100059427
2010-03-11

Filtering System, in Particular for Filtering Liquids in Internal Combustion Engines

 #206
20100044379
2010-02-25

Vessel lock down system

 #207
20100018238
2010-01-28

WATER FILTER UNIT

 #208
20090301949
2009-12-10

Filtering system, in particular for filtering liquids in internal combustion engines

 #209
20090255866
2009-10-15

Oil filter arrangement and filter element for an oil filter arrangement

 #210
20090188856
2009-07-30

Externally Centering Filter Element or Cartridge and Housing and System Utilizing the Same

 #211
20090127170
2009-05-21

Filter device, especially for filtering liquids in internal combustion engines

 #212
20090101567
2009-04-23

Method and Apparatus for the Purification of Salty Streams and the Removal of Particulates Therefrom

 #213
20090057219
2009-03-05

Replaceable filter elements including unique interfaces and filtration systems including same

 #214
20090001010
2009-01-01

Oil filter device for an internal combustion engine

 #215
20080264850
2008-10-30

Filter Device, Especially for Filtering Liquids in Internal Combustion Engines

 #216
20080213877
2008-09-04

Filtration device for biological samples

 #217
20080202081
2008-08-28

Fluid filter

 #218
20080164205
2008-07-10

Fluid filter cartridge assembly

 #219
20080164197
2008-07-10

Filtration systems

 #220
20080110815
2008-05-15

Fluid filter element

 #221
20080041781
2008-02-21

Container for storing a liquid such as cooking oil

 #222
20080011669
2008-01-17

Fluid filter assembly

 #223
20080006229
2008-01-10

Oil/coolant module with coolant treatment system

 #224
20070205730
2007-09-06

Inductively powered secondary assembly

 #225
20070163947
2007-07-19

Extension and locking assembly for dripless element and container therefore

 #226
20070158263
2007-07-12

Filter assemblies, filter cartridges and methods for removing filter cartridges from filter assemblies

 #227
20070125692
2007-06-07

Point-of-use water treatment system

 #228
20070119772
2007-05-31

Filters

 #229
20070045171
2007-03-01

Element replacement type filter

 #230
20060243652
2006-11-02

Anti-drip ring and drip seal

 #231
20060231479
2006-10-19

Extension and locking assembly for dripless element and container therefore

 #232
20060219620
2006-10-05

Oil pan with built-in filtering element

 #233
20060180527
2006-08-17

Device to separate particles of solids and high-density fluids from fluids of lower-density

 #234
20060157977
2006-07-20

Fitting for formation of a fluid-conducting connection

 #235
20060086656
2006-04-27

Fluid filter with modular housing and method of manufacture

 #236
20060032474
2006-02-16

Oil filter for continuous variable valve timing apparatus in engine

 #237
20060021926
2006-02-02

Point-of-use water treatment system

 #238
20050274666
2005-12-15

Extension and locking assembly for dripless element, and container therefore

 #239
20050252852
2005-11-17

Compact filter element

 #240
20050205485
2005-09-22

Filter device

 #241
20050178715
2005-08-18

Fluid filter with low-cost housing

 #242
20050175147
2005-08-11

Removable filter holder and method

 #243
20050161394
2005-07-28

Freeze resistant water filter

 #244
20050150825
2005-07-14

Extension and locking assembly for dripless element, and container therefore

 #245
20050126983
2005-06-16

Extension and locking assembly for dripless element, and container therefore

 #246
20050116650
2005-06-02

Method of manufacturing a lamp assembly

 #247
20050056124
2005-03-17

Filter cap having a gripping surface

 #248
20050045537
2005-03-03

Filter assembly with sealed, magnetically coupled cleaning head actuator

 #249
20050035043
2005-02-17

Filtration apparatus

 #250
20050000886
2005-01-06

Filter assembly with slip thread

 #251
17700314
2023-08-29

Pipeline filter

 #252
17449496
2023-08-01

Top loading filter assembly

 #253
17350146
2022-04-26

Pipeline filter

 #254
17154527
2021-10-26

Pipeline filter

 #255
15975149
2020-06-30

Marine propulsion systems and fuel filters for marine propulsion systems

 #256
15819644
2022-03-15

Axially moving service valve for an irrigation sprinkler

 #257
15680825
2018-08-07

Oil filter content retention device

 #258
14707619
2015-07-28

Manifold and strainer assembly

 #259
14053086
2016-01-12

Push filter with floating key lock