B01D29/688 - CPC Classification Index

ClassID:

29133 ⎘

B01D29/688 - CPC Classification

Classification description:

Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor; Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side

Recent Application in this class:

20260131265

2026-05-14

BACKWASHING DEVICE FOR FIBROUS FILTRATION APPARATUS AND FIBROUS FILTRATION APPARATUS INCLUDING THE SAME

20240278150

2024-08-22

PLANT AND METHOD FOR RECYCLING AND FILTERING ROLLING OIL

20220288510

2022-09-15

Filtration apparatus and filter washing method therefor

20220047973

2022-02-17

CONTROL MECHANISM FOR SELF-CLEANING FILTRATION SYSTEMS

20220001310

2022-01-06

Filter candle and method for operating such filter candle

20210170310

2021-06-10

Filter Assembly Employing Cloth Filter Layer for Use in Self-Cleaning Filter

20210106931

2021-04-15

Water filter

20210023482

2021-01-28

Control mechanism for self-cleaning filtration systems

20200155980

2020-05-21

Water filter

#10

20200038788

2020-02-06

Filter apparatus

#11

20200038787

2020-02-06

Filter device

#12

20190240600

2019-08-08

Filter device

#13

20190201818

2019-07-04

Backflushing filter

#14

20190193126

2019-06-27

Filter cleaning system with a movable proximity nozzle

#15

20190062178

2019-02-28

Methods for filtering effluent water for recycled use

#16

20180078883

2018-03-22

Methods and apparatus for treating water and wastewater employing a cloth filter

#17

20170312660

2017-11-02

Filtration system and method

#18

20170265712

2017-09-21

Self-cleaning filtration system for a dishwasher

#19

20170144087

2017-05-25

Debris filter with filter screen in the form of a spherical section

#20

20170021290

2017-01-26

Innovative self cleaning filter mechanism

#21

20170007947

2017-01-12

Micronic automatic filter

#22

20160367917

2016-12-22

High-efficiency automatic self-cleaning strainer

#23

20160310876

2016-10-27

FILTRATION SYSTEM AND FILTER ASSEMBLY ASSOCIATED THEREWITH

#24

20160067636

2016-03-10

Multicage-type apparatus for filtering ballast water for automatically controlling simultaneous reverse cleaning and method for same

#25

20160059158

2016-03-03

Disk type filtering apparatus

#26

20160059157

2016-03-03

Disk type filtering apparatus

#27

20160059156

2016-03-03

METHODS AND APPARATUS FOR TREATING WATER AND WASTEWATER EMPLOYING A CLOTH FILTER

#28

20150174515

2015-06-25

Diatomaceous earth filter apparatus and method

#29

20140366493

2014-12-18

Filter apparatus

#30

20140326647

2014-11-06

Candle-type filtering device for preventing back pressure

#31

20140263106

2014-09-18

Filtration system and method

#32

20140097145

2014-04-10

Debris filter with splitter bar

#33

20140021126

2014-01-23

REVERSIBLE BACKWASHING SELF-CLEANING FILTER

#34

20140021125

2014-01-23

SELF-CLEANING SUCTION FILTER

#35

20130270163

2013-10-17

Self cleaning filter system

#36

20130255202

2013-10-03

Fluid filtering unit and system

#37

20130087495

2013-04-11

Self-cleaning filter module

#38

20130068685

2013-03-21

Stationary cloth media filtration

#39

20130026111

2013-01-31

FILTERING SYSTEM WITH BACKWASH CAPABILITIES

#40

20120223028

2012-09-06

FILTER PROXIMITY NOZZLE

#41

20110303615

2011-12-15

Ballast water treatment system having a back-pressure formation part and control method thereof

#42

20110303591

2011-12-15

Filtering apparatus for treating ballast water

#43

20110108496

2011-05-12

Method of filtration using cloth media and self-aligning backwash assembly

#44

20100300989

2010-12-02

Backwash assembly and method having a rotating backwash arm for cleaning cloth filter media

#45

20100300957

2010-12-02

Backwash assembly having a rotating backwash arm for cleaning cloth filter media

#46

20100276377

2010-11-04

STRAINER ASSEMBLY

#47

20090277847

2009-11-12

Filter device

#48

20090218298

2009-09-03

Strainer assembly

#49

20090178976

2009-07-16

Filtering device for liquid filtration

#50

20080272058

2008-11-06

Filter and filter cleaning apparatus and related methods

#51

20080099408

2008-05-01

Diatomaceous earth filter apparatus and method

#52

20080047885

2008-02-28

Filter Cleaning Head

#53

20080028732

2008-02-07

Air filter system and air cleaning method

#54

20080011666

2008-01-17

Backwash assembly and method having a rotating backwash arm for cleaning cloth filter media

#55

20070199885

2007-08-30

Method for cleaning a filtering system and a filtering system having cleaning capabilities

#56

20050279680

2005-12-22

Water intake screen with circular filter panel

#57

20050161393

2005-07-28

Stationary cloth media filtration and self-aligning backwash assembly