ClassID:

30106

B01D2201/306 - CPC Classification

Classification description:

Details relating to filtering apparatus; Filter housing constructions; Details of removable closures, lids, caps, filter heads Closures, lids, caps or filter heads forming one element with the filtering element

Recent Application in this class:
#1
20260071453
2026-03-12

Swimming Pool Backwash Filtration Device

#2
20250352928
2025-11-20

Water Filter System and Method

#3
20250083078
2025-03-13

FILTER ASSEMBLY AND WATER PURIFIER INCLUDING THE SAME

#4
20240390827
2024-11-28

Multi-Stage Filter, A Filtration System Containing Such Filters, and Methods of Using the Systems

#5
20240238707
2024-07-18

WATER FILTER ELEMENT HAVING A REMOVAL AND REPLACEMENT MEMBER

#6
20240209560
2024-06-27

A FILTER UNIT FOR FILTERING MICROPARTICLES AND A FILTER CAGE FOR USE IN A FILTER UNIT

#7
20240123374
2024-04-18

Oil Filter Cap Assembly

#8
20240082758
2024-03-14

ELECTROSTATICALLY CONDUCTIVE FILTER ELEMENT AND FUEL FILTER

#9
20230390676
2023-12-07

Liquid Filter with a Clean-Side Stop Valve as well as an Assembly with a Liquid Filter and a Liquid Circuit

#10
20230330573
2023-10-19

FILTER CAPABLE OF AUTOMATICALLY CUTTING OFF GAS FLOW

#11
20220381355
2022-12-01

Bypass strainer valve assembly and method

#12
20220355227
2022-11-10

MONOLITHIC ADDITIVELY MANUFACTURED PUMP INLET HOUSING AND FILTER

#13
20220314149
2022-10-06

Filter element with air-bleed conduit

#14
20220305410
2022-09-29

FILTER DEVICE

#15
20220274037
2022-09-01

Filter housing

#16
20220258082
2022-08-18

Torsional No Filter No Run System and Method

#17
20220219102
2022-07-14

Cover for filter cartridge

#18
20220161166
2022-05-26

Multi-stage filter, a filtration system containing such filters, and methods of using the systems

#19
20220134265
2022-05-05

SERVER FAUCET OUTLET FILTER ADAPTER

#20
20210371071
2021-12-02

Cooling device for power source for ship propulsion device

#21
20210331095
2021-10-28

FILTER

#22
20210316236
2021-10-14

Adapter for filter device and method of use

#23
20210197101
2021-07-01

Point-of-use solids interceptor

#24
20210170313
2021-06-10

Integral flow structure within a containment cover

#25
20210086110
2021-03-25

Filter cover protection against external contamination

#26
20210031128
2021-02-04

Filter element with air-bleed conduit

#27
20210024380
2021-01-28

Media purification devices having intergral flow controllers

#28
20210018487
2021-01-21

Plasma separation device

#29
20200368650
2020-11-26

Engine oil system and a lid

#30
20200346145
2020-11-05

Filter and filtering assembly

#31
20200330908
2020-10-22

Filtration device

#32
20200330907
2020-10-22

Filtration device

#33
20200298181
2020-09-24

Reverse osmosis filtering module and reverse osmosis filter comprising same

#34
20200147525
2020-05-14

Methods for removal and replacement of a filter element cartridge including an attachment member

#35
20200086243
2020-03-19

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

#36
20190391130
2019-12-26

Plasma separation device

#37
20190358569
2019-11-28

Filter device

#38
20190329162
2019-10-31

Filter element assembly

#39
20190168141
2019-06-06

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

#40
20190046905
2019-02-14

Torsional no filter no run system and method

#41
20190039005
2019-02-07

Filter assembly

#42
20180283245
2018-10-04

Oil strainer support structure for internal combustion engine

#43
20180274657
2018-09-27

Oil filter assembly

#44
20180257012
2018-09-13

Filter device with coupling element

#45
20180257011
2018-09-13

Filter insert and guide arrangement

#46
20180221794
2018-08-09

FILTER SYSTEM

#47
20180194646
2018-07-12

Media purification devices having integral flow controllers

#48
20180161710
2018-06-14

Filter device

#49
20180147524
2018-05-31

Purification column

#50
20180111072
2018-04-26

Filter device

#51
20180008915
2018-01-11

Filters for appliances

#52
20180001242
2018-01-04

Biological fluid filters having flexible walls and methods for making such filters

#53
20170274301
2017-09-28

Filter assembly including an attachment member for a removable filter cartridge

#54
20170266592
2017-09-21

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

#55
20170209821
2017-07-27

Filter element and filter system

#56
20170209817
2017-07-27

INDUSTRIAL FILTERING DEVICE

#57
20170151382
2017-06-01

Biological fluid filters having flexible walls and methods for making such filters

#58
20170106317
2017-04-20

Filter element with air-bleed conduit

#59
20170036145
2017-02-09

Assembly and method for filtering fluids

#60
20170007949
2017-01-12

Water filter cartridge

#61
20160370302
2016-12-22

Portable detection apparatus and method

#62
20160341641
2016-11-24

Collection, filtration and concentration apparatus for biological samples

#63
20160332103
2016-11-17

Pin filter

#64
20160271535
2016-09-22

Filter assembly

#65
20160089618
2016-03-31

Ion-exchanger

#66
20150353383
2015-12-10

Filter assembly with locking cover

#67
20150265954
2015-09-24

Biological fluid filters having flexible walls and methods for making such filters

#68
20150209711
2015-07-30

Purification column

#69
20150144549
2015-05-28

Filter device

#70
20150076052
2015-03-19

Filter assembly

#71
20140183116
2014-07-03

Liquid filter with an eccentric liquid discharge channel

#72
20140021119
2014-01-23

Filter assembly including a removable filter cartridge

#73
20130037478
2013-02-14

Oil-filter device

#74
20120175291
2012-07-12

Flow-through fitting and filter assembly

#75
20120067807
2012-03-22

Sediment collecting container

#76
20100018238
2010-01-28

WATER FILTER UNIT

#77
20090321341
2009-12-31

FILTER SYSTEM FOR FLUIDS

#78
20060196823
2006-09-07

Filter media-to-plastic adhesion method and apparatus

#79
17700314
2023-08-29

Pipeline filter

#80
17350146
2022-04-26

Pipeline filter

#81
17154527
2021-10-26

Pipeline filter

#82
16864382
2020-10-06

Pipeline filter

#83
16546611
2020-07-14

Aquarium filter housing unit

#84
16351117
2020-07-14

Swimming pool cleaner with pleated medium filter