ClassID:

29160

B01D29/94 - 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 discharging the filter cake, e.g. chutes

Sub-classes:
Recent Application in this class:
#1
20260048349
2026-02-19

METHODS AND APPARATUS FOR SPIN DOWN FILTER WITH ELECTROMAGNETIC FIELDS

#2
20250327236
2025-10-23

MICROPARTICLES FILTER DEVICE FOR A LAUNDRY WASHING MACHINE, THE DEVICE BEING PROVIDED WITH A CLEANING DEVICE AND METHOD FOR REMOVING THE CLEANING DEVICE

#3
20250248438
2025-08-07

VESSEL SCREEN RETAINING SYSTEM AND METHOD

#4
20250186910
2025-06-12

A SELF-CLEANING FILTER FOR LIQUIDS

#5
20250122087
2025-04-17

Purification method and system for lithium-extraction dissolving-solution of aluminum electrolysis waste

#6
20250065251
2025-02-27

SELF-CLEANING FILTER

#7
20250018320
2025-01-16

PORTABLE FLUID FILTERING APPARATUS

#8
20240337165
2024-10-10

SELF CLEANING FILTERING SYSTEM

#9
20240325946
2024-10-03

DISCHARGING DEVICE OF A PRESS SCREW SEPARATOR

#10
20240318514
2024-09-26

Systems and methods for operating candle filters to recover glycols from drilling operations

#11
20240278153
2024-08-22

Filtering device for plastic materials with cleaning system

#12
20240278152
2024-08-22

SELF-CLEANING FILTERING DEVICE

#13
20240196951
2024-06-20

Vessel screen retaining system and method

#14
20240091681
2024-03-21

END MATERIAL RECOVERY APPARATUS

#15
20230330568
2023-10-19

MICROPLASTIC EFFLUENT SEPARATOR WITH WASH APPARATUS

#16
20230241534
2023-08-03

Water sediment filter assembly

#17
20230211261
2023-07-06

APPARATUS AND METHOD FOR PROCESSING SUBSTRATE

#18
20230201747
2023-06-29

Rotary filter and associated filtering method

#19
20230116479
2023-04-13

HAZARDOUS WASTE DISPOSAL SYSTEM AND METHOD

#20
20230081259
2023-03-16

Method for producing a screen body, and screen

#21
20230078618
2023-03-16

FILTERING SYSTEM, IN PARTICULAR FOR A WASHING OR DRYING MACHINE, SUCH AS A LAUNDRY WASHING MACHINE OR A CLOTHES DRYER

#22
20230065734
2023-03-02

LAMINATED SPIRAL DEWATERING EQUIPMENT HAVING DETACHABLE DRIVING DEVICE

#23
20230038346
2023-02-09

Organic waste separator for under a sink

#24
20220403537
2022-12-22

DEVICE FOR SUCTION AND RECOVERY OF ANODIC SLUDGE

#25
20220233978
2022-07-28

Self-cleaning filter

#26
20220219101
2022-07-14

VERTICAL SCREW SCREEN WITH OPTIMIZED TRANSPORT FEATURES

#27
20220184535
2022-06-16

Inline-type strainer

#28
20220167657
2022-06-02

Vessel screen retaining system and method

#29
20220064044
2022-03-03

Solid-liquid separation device

#30
20220008846
2022-01-13

Device for separating solid materials from liquids and gases

#31
20210362080
2021-11-25

AUTONOMOUSLY CONTROLLED SELF-CLEANING FILTER APPARATUS

#32
20210332601
2021-10-28

Bernoulli skimmer basket assembly

#33
20210245078
2021-08-12

Liquid discharge filter and its use

#34
20210236965
2021-08-05

Separation device and method to separate contaminants from contaminated water

#35
20210008469
2021-01-14

Railcar dewatering unit and method of using the same

#36
20210008468
2021-01-14

Dewatering unit and method of using the same

#37
20200231920
2020-07-23

Microorganism sampling device

#38
20200197838
2020-06-25

Adjustable bernoulli skimmer basket

#39
20200139272
2020-05-07

Non-powered drain pump screen device

#40
20200054973
2020-02-20

Conical filter element with funnel directing particles to a trap

#41
20200038787
2020-02-06

Filter device

#42
20190357521
2019-11-28

Removable catch basin filter insert and lifting apparatus

#43
20190329163
2019-10-31

Filter with closely-spaced vertical plates

#44
20190240600
2019-08-08

Filter device

#45
20190143249
2019-05-16

LIQUID FILTER

#46
20190135670
2019-05-09

WASTEWATER TREATMENT PLANT AND METHOD FOR TREATING WASTEWATER

#47
20190118121
2019-04-25

Arrangement and method for separating out and removing screenings from wastewater

#48
20190069594
2019-03-07

Vessel screen retaining system and method

#49
20190046906
2019-02-14

SYSTEM AND METHOD FOR SEPARATING SOLIDS FROM LIQUID-SOLID SLURRIES

#50
20190031534
2019-01-31

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

#51
20180147507
2018-05-31

Skimmer basket for swimming pools

#52
20180111066
2018-04-26

Filter assembly for a dishwasher appliance

#53
20180021704
2018-01-25

Filter apparatus

#54
20170368555
2017-12-28

Multi-zoned paddle screen apparatus

#55
20170291123
2017-10-12

Separation and monitoring apparatus

#56
20170284077
2017-10-05

Removable catch basin filter insert and lifting apparatus

#57
20170282100
2017-10-05

Spiral seal continuous discharge filter for supercritical water treatment process

#58
20170203239
2017-07-20

WATER TREATMENT METHOD AND WATER TREATMENT DEVICE

#59
20170197994
2017-07-13

METHOD FOR RECOVERY OF IONIC LIQUID AND SYSTEM THEREOF

#60
20170144086
2017-05-25

Vertical separator for the treatment of slurry

#61
20170128860
2017-05-11

Backflush filter and filter insert for the latter

#62
20170100684
2017-04-13

Water reclaiming container

#63
20170088802
2017-03-30

DEVICE AND METHOD FOR PRECIPITATING SOLIDS FROM A SUSPENSION INCLUDING DISSOLVED GASES

#64
20170014736
2017-01-19

Filtration assembly for gradually screening of fine and coarse particles in a single operational unit

#65
20160339366
2016-11-24

Fluid filtering device

#66
20160263503
2016-09-15

Pipeline strainer

#67
20160220928
2016-08-04

Filtration apparatus

#68
20160151726
2016-06-02

Backflushing filter and filter insert for the same

#69
20160136546
2016-05-19

Discharge device and discharge method

#70
20160075584
2016-03-17

Dynamic dewatering system

#71
20150283777
2015-10-08

Rotary fan press with auger

#72
20150174513
2015-06-25

Self purge filtration apparatus for discharge to subatmospheric conditions

#73
20150136678
2015-05-21

Quick release pool skimmer basket apparatus

#74
20150048021
2015-02-19

SEPARATION DEVICES FOR PROCESSING WASTE FOODS DISPOSED OF VIA SINKS

#75
20130180901
2013-07-18

Strainer for pump

#76
20120305460
2012-12-06

Apparatus for waste-water filtration

#77
20120234775
2012-09-20

Pressure filter with a flow distributor and a method for washing the pressure filter

#78
20120103920
2012-05-03

Filtration and dewatering apparatus

#79
20120055861
2012-03-08

Apparatus for dewatering solids-laden liquids

#80
20110186499
2011-08-04

Screw separator

#81
20110186498
2011-08-04

Screw separator

#82
20110031192
2011-02-10

Filtration of corn starch followed by washing and collection of the resultant corn starch cake

#83
20100314304
2010-12-16

Method and apparatus for separating and dewatering slurries

#84
20100146916
2010-06-17

Filter apparatus

#85
20090314715
2009-12-24

Method of dewatering solids laden liquids utilizing a reusable filter element

#86
20090101601
2009-04-23

Filter device and filter method

#87
20090050581
2009-02-26

DEVICE AND METHOD FOR PROCESSING BACKFLUSHED FLUID

#88
20080173594
2008-07-24

Method and device for removal of residual products

#89
20080078726
2008-04-03

Filtering and compacting device for solid particles suspended and contained in fluids, such as slurry from mechanical operations

#90
20070114166
2007-05-24

DUAL ELEMENT VACUUM FILTRATION SYSTEM FOR METAL-WORKING FLUIDS

#91
20070051672
2007-03-08

Filter arrangement

#92
20050045568
2005-03-03

High debris content strainer

#93
17851441
2025-11-11

Continuous trichome separation