ClassID:

29154

B01D29/902 - CPC Classification

Classification description:

Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor having feed or discharge devices for feeding containing fixed liquid displacement elements or cores

Recent Application in this class:
#1
20260124562
2026-05-07

CHANNEL-SEPARATING STRUCTURE AND METHOD FOR MANUFACTURING A CHANNEL-SEPARATING STRUCTURE

#2
20260077281
2026-03-19

FILTER FOR HYDRAULIC FLUIDS FOR HYDRAULIC CIRCUITS

#3
20260070008
2026-03-12

In-line Fluid Filtering Surface Unit

#4
20260061347
2026-03-05

Filtration Unit For Processing a Liquid

#5
20260048347
2026-02-19

FILTER SYSTEM

#6
20260028898
2026-01-29

Systems and Methods for Separating and Storing Downhole Debris

#7
20250325924
2025-10-23

INTEGRATION OF POROUS AND PERMEABLE FEED SPACERS ONTO MEMBRANE SURFACES

#8
20250256227
2025-08-14

METHOD FOR OPERATING A FILTER DEVICE AND FILTER DEVICE

#9
20250050244
2025-02-13

TANK FOR FILTERING AND COLLECTING DEBRIS

#10
20250010224
2025-01-09

METHOD FOR OPERATING A FILTER DEVICE AND FILTER DEVICE

#11
20240417277
2024-12-19

WATER FILTRATION SYSTEMS AND DEVICES AND METHODS OF USING THE SAME

#12
20240390957
2024-11-28

MULTI-PHASE STORAGE VESSEL CLEANING AND MAINTENANCE SYSTEM, AND METHOD OF USE

#13
20240335776
2024-10-10

FILTRATION SYSTEM AND METHOD

#14
20240284864
2024-08-29

MILKING DEVICE PROVIDED WITH A MILK FILTER

#15
20240253066
2024-08-01

Cyclone Separator and Dishwasher

#16
20240215761
2024-07-04

FRYING APPARATUS CAPABLE OF REMOVING RETAINED SEDIMENT AND CIRCULATING AND REPLENISHING FILTERED FRYING OIL

#17
20230404030
2023-12-21

Water Trough Cleaner

#18
20230399788
2023-12-14

IMPELLER FOR LAUNDRY APPLIANCE THAT INCORPORATES A FILTERING CAP FOR SEPARATING PARTICULATE MATTER FROM WASH FLUID WITHIN THE APPLIANCE

#19
20230304312
2023-09-28

LIQUID-SUBMERSIBLE VACUUM SYSTEM AND COMPONENTS THEREOF

#20
20230286846
2023-09-14

MICROPLASTIC SEPARATOR

#21
20230264407
2023-08-24

FILTER UNIT FOR AN EXTRUDER ASSEMBLY, FILTER ARRANGEMENT AND CORRESPONDING FILTER CHANGING DEVICE AND METHOD FOR PRODUCING SUCH A FILTER UNIT

#22
20230264124
2023-08-24

Particle separation system and method

#23
20230211263
2023-07-06

FLUID FILTRATION SYSTEM WITH SINGLE USE FILTER AND INTEGRATED INTEGRITY TEST DEVICE AND METHOD OF USING SAME

#24
20220388044
2022-12-08

Multi-phase storage vessel cleaning and maintenance system and method of use

#25
20220331725
2022-10-20

FILTRATION SYSTEM AND METHOD

#26
20220331724
2022-10-20

Filtration system with selective flow reversal

#27
20220282471
2022-09-08

STORM WATER DRAIN PIT

#28
20220143534
2022-05-12

Liquid filtration system

#29
20220143533
2022-05-12

FILTER ELEMENT FOR A FILTER UNIT

#30
20220106106
2022-04-07

Bulk material receiving, conveying, storing, and dispensing

#31
20220096971
2022-03-31

Negative pressure filtration apparatus, method, and system

#32
20220088639
2022-03-24

Method and apparatuses for screening

#33
20220088638
2022-03-24

Method and apparatuses for screening

#34
20220032214
2022-02-03

SUBTERRANEAN GRAVITY-FLOW GRAYWATER FILTRATION APPARATUS AND SYSTEM

#35
20210330124
2021-10-28

Multi-bank cooking system

#36
20210277677
2021-09-09

Skimming devices and related methods

#37
20210275945
2021-09-09

Filter device

#38
20210260503
2021-08-26

METHOD AND APPARATUSES FOR SCREENING

#39
20210213377
2021-07-15

Particle separation system and method

#40
20210205741
2021-07-08

Filtering device for removing impurities in a mixture of biological diatomite

#41
20210187039
2021-06-24

FECAL PROCESSING DEVICE AND METHODS

#42
20210052995
2021-02-25

DEVICE AND METHOD FOR FILTERING A FLUID CIRCULATING IN A PLUMBING AND HEATING SYSTEM

#43
20210039024
2021-02-11

Household wastewater filter

#44
20210023484
2021-01-28

Wash bucket dirt filter

#45
20210016211
2021-01-21

Filtration system with automatic drain plug

#46
20200269167
2020-08-27

FLUID FILTER

#47
20200155979
2020-05-21

FILTERING DEVICE FOR REMOVING SOLIDS FROM WATER

#48
20190390428
2019-12-26

Screen intake flow control and support device

#49
20190374886
2019-12-12

Filtration system with automatic drain plug

#50
20190329293
2019-10-31

Method and apparatuses for screening

#51
20190285020
2019-09-19

Systems and methods for fuel filter diagnostics

#52
20190217226
2019-07-18

Magnetic Particle Fluid Recovery System

#53
20190076881
2019-03-14

Method and apparatus for screening

#54
20190062178
2019-02-28

Methods for filtering effluent water for recycled use

#55
20190060809
2019-02-28

Integrated oxygen removal unit and fuel filter

#56
20190030467
2019-01-31

SPRAYER INLET FILTER AND METHOD

#57
20180345319
2018-12-06

Method and apparatuses for screening

#58
20180313049
2018-11-01

IN-POND WATER QUALITY MAINTENANCE SYSTEM

#59
20180280840
2018-10-04

Method and Device for Separating Solids and Liquids using a Modified Pump

#60
20180279589
2018-10-04

Aquarium and non-disruptive filtration system

#61
20180274657
2018-09-27

Oil filter assembly

#62
20180140975
2018-05-24

Dual loop fuel filtration system with controller

#63
20180126306
2018-05-10

Particle separation system and method

#64
20180098878
2018-04-12

Thermal control system

#65
20180043374
2018-02-15

Particle separating system

#66
20180008915
2018-01-11

Filters for appliances

#67
20180001235
2018-01-04

Strainer

#68
20170087485
2017-03-30

Filter for the capture and retention of large debris

#69
20170014735
2017-01-19

FILTER DEVICE HAVING COMPOSITE FILTER CORE

#70
20160339370
2016-11-24

Fluid reservoir having inlet filtering

#71
20160310878
2016-10-27

Filter device

#72
20160263498
2016-09-15

Filter device having a diverging cleaning duct with internal partitions

#73
20160243471
2016-08-25

Screen decanter for removing solids from wastewater

#74
20160082372
2016-03-24

Fluid filter with localized flow attachment

#75
20160030864
2016-02-04

SUSPENDED SOLIDS FILTER SYSTEM

#76
20150196859
2015-07-16

Flow control features for fluid filtration device and methods

#77
20150165344
2015-06-18

Filter element and filter device

#78
20140116958
2014-05-01

Stormwater treatment system

#79
20120315193
2012-12-13

Apparatus for generating hydrocarbon fuel

#80
20120312733
2012-12-13

Liquid filter construction for freezing environments

#81
20120305460
2012-12-06

Apparatus for waste-water filtration

#82
20120301800
2012-11-29

Filter apparatus

#83
20120298572
2012-11-29

Screen intake flow control and support device

#84
20120273406
2012-11-01

Filter with ejection mechanism

#85
20120267319
2012-10-25

Stormwater treatment system

#86
20120267294
2012-10-25

Inside-out flow filter with pressure recovery

#87
20120223002
2012-09-06

MODULAR FILTER CAPSULE APPARATUS

#88
20120111878
2012-05-10

LIQUID CONTAINER

#89
20120037556
2012-02-16

Filter element and filter assembly including locking mechanism

#90
20110062061
2011-03-17

Filter assembly with modular relief valve interface

#91
20110017658
2011-01-27

Filter cartridge with divider

#92
20110005989
2011-01-13

Filtration systems and fitting arrangements for filtration systems

#93
20100200490
2010-08-12

Filter with localized flow attachment and filter head

#94
20100155324
2010-06-24

Filter apparatus

#95
20100140183
2010-06-10

Liquid filtering system and its automatic cleaning procedure

#96
20100012571
2010-01-21

Filter element

#97
20090308802
2009-12-17

Filter with ejection mechanism

#98
20090250385
2009-10-08

Apparatus for waste-water filtration

#99
20090236298
2009-09-24

Filter system with gas agitation

#100
20090230046
2009-09-17

Aircraft filter device with a member for keying and driving the cartridge

#101
20090229231
2009-09-17

AIRCRAFT FILTER DEVICE WITH THE FILTER BEING STOPPED IN ROTATION

#102
20090218295
2009-09-03

Filter with flow surge protection and method of protecting filter from flow surge

#103
20090206018
2009-08-20

Strainers for air conditioning device

#104
20090184036
2009-07-23

FLUID FILTER FOR COMBUSTION ENGINE SYSTEMS AND METHODS

#105
20090166301
2009-07-02

Systems and methods for filtering fuel

#106
20090159524
2009-06-25

Filter cartridge for a reversible flow filter

#107
20090139915
2009-06-04

Fluid Filter with Pressure Relief Valve and Bypass Valve

#108
20090127184
2009-05-21

Flow-Through Device for The Treatment of a Fluid and Flow-Through Element Used Thereby

#109
20090077893
2009-03-26

Apparatus for generating hydrocarbon fuel

#110
20090065411
2009-03-12

Filter cartridge with pressure relief valve

#111
20090056542
2009-03-05

Fluid filter separator and method

#112
20090038278
2009-02-12

Flow-through device and cartridge applied thereby

#113
20090014381
2009-01-15

Fluid filter with localized flow attachment

#114
20090001027
2009-01-01

Filter apparatus and method of removing organic waste

#115
20080302712
2008-12-11

Liquid filtration device

#116
20080290018
2008-11-27

Filter apparatus

#117
20080245719
2008-10-09

Filter element and filter assembly including locking mechanism

#118
20080164197
2008-07-10

Filtration systems

#119
20080151681
2008-06-26

Slurry flow divider

#120
20080060985
2008-03-13

Wave coil filter assembly

#121
20080035549
2008-02-14

Filter assembly for sampling

#122
20070131604
2007-06-14

Filter unit with deaerating mechanism

#123
20070119772
2007-05-31

Filters

#124
20070107601
2007-05-17

Liquid filtration device

#125
20070102101
2007-05-10

Apparatus and methods for forming filter sleeves having circumferential pleats for use in a bag-type filter assembly

#126
20070034555
2007-02-15

Fluid filter with restrictive filter media for pressure relief

#127
20070023339
2007-02-01

Filter Assembly And Filter Element

#128
20060201865
2006-09-14

Fuel filter with keys

#129
20060086652
2006-04-27

Filter element for keyed latch valve

#130
20060070961
2006-04-06

Liquid filtration device

#131
20060016769
2006-01-26

Filter assembly and methods

#132
20060006110
2006-01-12

Filter cartridge and an assembly of a filter housing and at least one such filter cartridge

#133
20050263451
2005-12-01

Filter element and liquid filter for freeze-endangered liquids and method for producing such a filter element

#134
20050205486
2005-09-22

Filter device

#135
20050145577
2005-07-07

Liquid filtration device

#136
20050115876
2005-06-02

Method for determining when to replace a filter having a pressure relief valve

#137
20050077230
2005-04-14

Filter device with deformable expansion element

#138
20050072721
2005-04-07

Fuel filter with keys

#139
20050069386
2005-03-31

Golf course green storm water filter

#140
20050045568
2005-03-03

High debris content strainer

#141
20050035053
2005-02-17

UV lamp supported filter cartridge

#142
20050023208
2005-02-03

Method of filtering a fluid with a filter assembly

#143
20050016936
2005-01-27

Process and filter for filtering a slurry

#144
20050011840
2005-01-20

Process and filter for filtering a slurry

#145
20050011824
2005-01-20

Filter cartridge for a water tank of a coffee machine

#146
20050000891
2005-01-06

Screen and process for manufacturing a screen of this kind

#147
20050000876
2005-01-06

Keyed latch valve for fuel filter

#148
18786295
2026-01-20

Systems and methods for separating and storing downhole debris

#149
17828048
2023-01-31

Automatic flushing device for screen filter of biogas slurry drip irrigation system and use thereof

#150
17175993
2022-11-08

Dual screen treatment systems with debris ramps and screened deflectors

#151
17166182
2023-09-19

Portable liquid filter devices, systems and methods

#152
16104737
2019-03-26

Dual screen treatment systems with debris ramps and screened deflectors