Patents-Review.com
ClassID:

29251 ⎘

B01D33/41 - CPC Classification

Classification description:

Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection

Sub-classes:
Recent Application in this class:
#1
20250144550
2025-05-08

MEETHOD OF OPERATING A RAKE SYSTEM

 #2
20230338880
2023-10-26

Disc filter pre-screen dual media disc filter

 #3
20230330571
2023-10-19

Rake system and method

 #4
20230131096
2023-04-27

INDEPENDENT DOUBLE-NEGATIVE-PRESSURE SHALE SHAKER

 #5
20220410043
2022-12-29

Method of operating a rake system

 #6
20220339564
2022-10-27

Multi-structure filtration device for filtering, separating, and dehydrating foreign substances in water

 #7
20210355770
2021-11-18

Gas tight shale shaker for enhanced drilling fluid recovery and drilled solids washing

 #8
20210131203
2021-05-06

Degassing and analyzing drilling fluid

 #9
20210129059
2021-05-06

DISC FILTER PRE-SCREEN DUAL MEDIA DISC FILTER

 #10
20200298151
2020-09-24

Solid-liquid separator and solid-liquid separation system

 #11
20200291732
2020-09-17

Filtration System for Use in a Shale Shaker

 #12
20200246732
2020-08-06

Fine particle separating apparatus

 #13
20200245651
2020-08-06

Antimicrobial application system with recycle and capture

 #14
20200179841
2020-06-11

Drilling fluid reclaimer

 #15
20190344203
2019-11-14

Drilling fluid reclaimer

 #16
20190224597
2019-07-25

Disc filter pre-screen dual media disc filter

 #17
20190030464
2019-01-31

Antimicrobial application system with recycle and capture

 #18
20180318736
2018-11-08

Controlling a separation device

 #19
20180280841
2018-10-04

Filtration device

 #20
20180272488
2018-09-27

Chip conveyor and machine tool

 #21
20180195303
2018-07-12

Power generation

 #22
20180135326
2018-05-17

Underwater station

 #23
20180050926
2018-02-22

Multi-stage filter assembly

 #24
20170319981
2017-11-09

Device, system and method for extracting and filtering a suspension, preferably containing plant constituents, by means of rotating filter elements

 #25
20170313963
2017-11-02

Device, system and method for obtaining and/or for clarifying wort and other media in the beer brewing and beverage industry and corresponding uses

 #26
20170254163
2017-09-07

Gas tight shale shaker for enhanced drilling fluid recovery and drilled solids washing

 #27
20170252681
2017-09-07

Drilling fluid reclaimer

 #28
20170209819
2017-07-27

Rake screens and novel components therefor

 #29
20170130541
2017-05-11

SERIES AND PARALLEL SEPARATION DEVICE

 #30
20160356108
2016-12-08

Dual deck vibratory separator

 #31
20160319616
2016-11-03

Shale shaker with stair-stepped arrangements of screens and methods of using same, and methods of retrofitting shale shakers

 #32
20160297688
2016-10-13

SYSTEM AND METHOD FOR REMOVING SOLIDS AND HYDROCARBONS FROM WATER

 #33
20160200401
2016-07-14

Monohull offshore drilling vessel

 #34
20160159662
2016-06-09

Fluid purification device with flexible housing

 #35
20160038858
2016-02-11

System and method for using a pressure differential for separation

 #36
20150375146
2015-12-31

Brine filtering device, applied to a meat product injection machine

 #37
20150375145
2015-12-31

DUAL PASS STACKED SHAKERS AND METHOD FOR USING SAME

 #38
20150292222
2015-10-15

Autonomous pool cleaning robot

 #39
20150275537
2015-10-01

Autonomous pool cleaning robot

 #40
20150273695
2015-10-01

Autonomous pool cleaning robot

 #41
20150027964
2015-01-29

SEWAGE SCREENING SYSTEM

 #42
20150027943
2015-01-29

RAKE SCREEN AND NOVEL COMPONENTS THEREFOR

 #43
20150021258
2015-01-22

Antimicrobial application system with recycle and capture

 #44
20140291260
2014-10-02

Appliance for filtering liquids, in particular waste water, and method for filtering liquids

 #45
20140190904
2014-07-10

Drilling fluid reclaimer

 #46
20140175023
2014-06-26

THREE WIRE PRESS SOLIDS DEWATERING METHOD AND APPARATUS FOR OIL AND GAS FIELD APPLICATIONS

 #47
20140166592
2014-06-19

MULTI-DECK SHAKER

 #48
20140151129
2014-06-05

Sieve cloth and method of using same

 #49
20140131114
2014-05-15

Sieve cloth and method of using same

 #50
20130233778
2013-09-12

Apparatus improvements for belt press dewatering

 #51
20130213904
2013-08-22

INDUSTRIAL SEPARATOR AND DEWATERING PLANT

 #52
20120091052
2012-04-19

BRINE FILTERING DEVICE, APPLIED TO A MEAT PRODUCT INJECTION MACHINE

 #53
20120031856
2012-02-09

Liquid separation device

 #54
20110284474
2011-11-24

Screening device for supplying water to an industrial installation

 #55
20110186499
2011-08-04

Screw separator

 #56
20110186498
2011-08-04

Screw separator

 #57
20110089122
2011-04-21

Liquid removal apparatus with moving transport deck for filter belt

 #58
20110005985
2011-01-13

Device for treating cooling lubricants

 #59
20100270216
2010-10-28

Shale shaker

 #60
20100089652
2010-04-15

Shale shakers with selective series/parallel flow path conversion

 #61
20100032384
2010-02-11

Method for improving belt press dewatering

 #62
20090289004
2009-11-26

VIBRATORY APPARATUS FOR SEPARATING LIQUID FROM LIQUID-LADEN SOLID MATERIAL

 #63
20090196967
2009-08-06

Application system with recycle and related use of antimicrobial quaternary ammonium compound

 #64
20090152186
2009-06-18

Filtering apparatus with hinge belt

 #65
20080110838
2008-05-15

Belt press apparatus and method for high solids capture and high solids content

 #66
20070144979
2007-06-28

Vibratory Apparatus for Separating Liquid from Liquid-Laden Solid Material

 #67
20060011562
2006-01-19

Dual filter system for filtering of injector fluids

 #68
20050133465
2005-06-23

Vibratory screen assembly and method of manufacture

 #69
20050082236
2005-04-21

Vibratory screening machine with suction and method for screening a slurry

 #70
20050077254
2005-04-14

Dual filter system for filtering of injector fluids

 #71
17145676
2023-05-02

Multi-stage filter assembly

 #72
17082891
2022-01-11

System for separating solids from a fluid stream

 #73
17082809
2022-01-11

System for separating solids from a fluid stream

 #74
16131900
2020-12-08

System for separating solids from a fluid stream

 #75
15411121
2019-02-19

Mobile wet waste separator