ClassID:

29081

B01D29/31 - CPC Classification

Classification description:

Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements Self-supporting filtering elements

Sub-classes:
Recent Application in this class:
#1
20260124560
2026-05-07

VARIABLE CRIMPED EXPANDED METAL FILTERS, BI-DIRECTIONALLY EXPANDED METAL FILTERS, COMBINATIONS THEREOF AND EXPANDING METHODS FOR MANUFACTURING EXPANDED SHEET METAL

#2
20250361669
2025-11-27

DOUBLE-PUMP ASSEMBLY AND CLOTHES TREATMENT APPARATUS HAVING SAME

#3
20250269303
2025-08-28

Filter Assembly

#4
20250256999
2025-08-14

SYSTEM AND METHOD FOR DEWATERING SOLIDS

#5
20250230661
2025-07-17

DOWNSPOUT DEBRIS CAPTURE SYSTEM AND METHOD

#6
20250121304
2025-04-17

HOLLOW CYLINDRICAL FILTER, AND MANUFACTURING METHOD

#7
20250099883
2025-03-27

HIGH FLOW, LOW HOLD UP FILTERS

#8
20250089979
2025-03-20

DISHWASHER

#9
20250041772
2025-02-06

WATER PURIFICATION SYSTEM

#10
20240382876
2024-11-21

WATER PURIFICATION SYSTEM

#11
20240261711
2024-08-08

VALVE ARRANGEMENT, LIQUID FILTERS, FILTER ASSEMBLIES, AND METHOD

#12
20240216841
2024-07-04

FILTER HOLDER

#13
20240207762
2024-06-27

FILTRATION FILTER

#14
20240123383
2024-04-18

Small Diameter Tubular Porous Fiber Filter

#15
20240123379
2024-04-18

Fluid purification device

#16
20240044164
2024-02-08

AUTOMATIC SWIMMING POOL CLEANERS ESPECIALLY ADEPT AT CLIMBING AND CLEANING POOL STAIRS

#17
20240042353
2024-02-08

FILTER INTERCONNECT UTILIZING CORRELATED MAGNETIC ACTUATION FOR DOWNSTREAM SYSTEM FUNCTION

#18
20230330569
2023-10-19

Water purification system

#19
20230256364
2023-08-17

High flow, low hold up filters

#20
20230249105
2023-08-10

Slurry filtering apparatus and coating system

#21
20230182050
2023-06-15

OIL PURIFICATION FILTER

#22
20230086823
2023-03-23

Disposable sheath for oil filter removal and containment

#23
20230034568
2023-02-02

Downspout debris capture system and method

#24
20220356322
2022-11-10

Method of Separating and Purifying a Mixed Stream of Contaminated Reclaimed Polyethylene and Polypropylene

#25
20220305412
2022-09-29

WATER TANK WITH TANK OUTLET VALVE AND WATER FILTER CARTRIDGE WITH TWO WATER FILTER CARTRIDGE OUTLETS WHICH ARE ARRANGED CONCENTRICALLY TO ONE ANOTHER

#26
20220280891
2022-09-08

FILTRATION ASSEMBLY COMPRISING A FILTERING CARTRIDGE AND AN AUXILIARY DEVICE

#27
20220174917
2022-06-09

WATERCRAFT AND METHOD FOR THE PRODUCTION OF AQUATIC ORGANISMS

#28
20220095630
2022-03-31

Apparatus for storing organic material

#29
20220032217
2022-02-03

Valve arrangement, liquid filters, filter assemblies, and method

#30
20210370903
2021-12-02

Solenoid valve

#31
20210277678
2021-09-09

Automatic swimming pool cleaners especially adept at climbing and cleaning pool stairs

#32
20210269235
2021-09-02

Disposable sheath for oil filter removal and containment

#33
20210101816
2021-04-08

Pond filter and method for operating the pond filter

#34
20210077925
2021-03-18

Filtration filter

#35
20210053001
2021-02-25

Key system to ensure correct use of inserts

#36
20210031127
2021-02-04

Adaptor plug for a spin-on filter

#37
20210015149
2021-01-21

Smoking apparatus filtration device and related technologies

#38
20200391143
2020-12-17

High flow, low hold up filters

#39
20200391142
2020-12-17

Filter element having potted gasket end cap assembly

#40
20200360931
2020-11-19

Filter interconnect utilizing correlated magnetic actuation for downstream system function

#41
20200360844
2020-11-19

Filter interconnect utilizing correlated magnetic actuation for downstream system function

#42
20200330909
2020-10-22

Filtering device

#43
20200330904
2020-10-22

Filter cartridge for liquid filtration; assembly; and, methods

#44
20200306674
2020-10-01

METAL FILTER AND PRODUCTION METHOD THEREFOR

#45
20200282351
2020-09-10

Small diameter tubular porous fiber filter

#46
20200278037
2020-09-03

PRESSURE CONTROL DEVICE

#47
20200229632
2020-07-23

Filter capsule for secondary filtration of coffee and use thereof

#48
20200197838
2020-06-25

Adjustable bernoulli skimmer basket

#49
20200173410
2020-06-04

Filter for fuel injectors

#50
20200086243
2020-03-19

Housing for filter element; filter element; methods of use and making

#51
20200001214
2020-01-02

Fluid purification device

#52
20190314744
2019-10-17

Pipeline strainer with magnetic insert

#53
20190309719
2019-10-10

Perforated integral filter sleeve for fuel injector and fuel system setup method

#54
20190284826
2019-09-19

DEVICE FOR SWIMMING POOL SKIMMING AND FILTERING

#55
20190271286
2019-09-05

Suction filter and fuel supply device

#56
20190262748
2019-08-29

SAFETY AND FLUID FLOW ENHANCEMENT DEVICE FOR FLUID TRANSFER SYSTEMS

#57
20190177962
2019-06-13

Conical filtering device

#58
20190176069
2019-06-13

FILTER ELEMENT OF A FILTER, MULTILAYER FILTER MEDIUM OF A FILTER AND FILTER

#59
20190159654
2019-05-30

FILTER CLEANING ASSEMBLY FOR A DISHWASHER APPLIANCE

#60
20190070532
2019-03-07

Screen for hydraulic fluid

#61
20190055946
2019-02-21

Cooling unit

#62
20190031534
2019-01-31

Assembly comprising at least two elements in a movable arrangement relative to each other and an anti-fouling system

#63
20190023596
2019-01-24

Negative Pressure Aeration And Organic Growth Suppression System

#64
20190010905
2019-01-10

Suction filter and fuel supply device

#65
20180360578
2018-12-20

APPARATUS AND METHOD OF AMALGAM WASTE RECOVERY

#66
20180310572
2018-11-01

Apparatus for storing organic material

#67
20180250617
2018-09-06

Filter housing

#68
20180193776
2018-07-12

Filter cartridge for liquid filteration; assembly; and, methods

#69
20180187663
2018-07-05

Precision fuel additive system

#70
20180153348
2018-06-07

OIL FILTER OF ELECTRIC FRYER

#71
20180147511
2018-05-31

Filter device and filtration device

#72
20180140976
2018-05-24

Autonomous filtration switch

#73
20180106025
2018-04-19

Internal drain hair and debris straining assembly

#74
20180001236
2018-01-04

Filter element and method of manufacturing a filter element

#75
20170312667
2017-11-02

Filtering Device for Erosion Control and Reducing Contamination

#76
20170298885
2017-10-19

Method for producing an improved filter for injectors of fuel, oils, solutions, additives and fluids in general, and filter thus produced

#77
20170266592
2017-09-21

Housing for filter element; filter element; methods of use and making

#78
20170226729
2017-08-10

SEDIMENT FILTRATION DEVICE, METHOD AND SYSTEM

#79
20170209821
2017-07-27

Filter element and filter system

#80
20170189840
2017-07-06

Self-Venting Drain

#81
20170189839
2017-07-06

Key system to ensure correct use of inserts

#82
20170175692
2017-06-22

APPLICATION SPECIFIC FUEL FILTER

#83
20170157542
2017-06-08

Water separator element comprising water detection electrodes

#84
20170009724
2017-01-12

Filter assembly and fuel injector

#85
20160310875
2016-10-27

High flow, low hold up filters

#86
20160288024
2016-10-06

Filter cartridge

#87
20160273678
2016-09-22

Filter tube installation apparatus

#88
20160121005
2016-05-05

Filter and container having microbicidal activity

#89
20160074921
2016-03-17

MACHINE TO PRODUCE PERFORATED METAL STOCK

#90
20160030867
2016-02-04

SEDIMENT FILTRATION DEVICE, METHOD AND SYSTEM

#91
20160023132
2016-01-28

Elongated scraper profile

#92
20150354242
2015-12-10

Pre-filter water skimmer

#93
20150096933
2015-04-09

Filtration Article Having Thermoplastic Filled Edges

#94
20150014241
2015-01-15

FILTER ELEMENT OF A FILTER, MULTILAYER FILTER MEDIUM OF A FILTER AND FILTER

#95
20120118812
2012-05-17

Filter cartridge for liquid filtration; assembly; and, methods

#96
20110215043
2011-09-08

Filter assembly

#97
20110000862
2011-01-06

Separator and separation method

#98
20100091395
2010-04-15

CORE MODULE WITH MULTIPLE LAYERS AND A WATER FILTER WITH THE CORE MODULE

#99
20050224407
2005-10-13

Filter cartridge for liquid filtration; assembly; and, methods

#100
18752136
2025-03-18

Portable water pump used in a pool

#101
17449496
2023-08-01

Top loading filter assembly

#102
16351117
2020-07-14

Swimming pool cleaner with pleated medium filter