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ClassID:

29123 ⎘

B01D29/66 - page 2 - 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

Recent Application in this class:
#301
20070193944
2007-08-23

Fine filtering apparatus controllable packing density using flexible fiber

 #302
20070187328
2007-08-16

Method and system for filtering sediment-bearing fluids

 #303
20070138092
2007-06-21

Method and system for controlling duration of a backwash cycle of a filtration system

 #304
20070114166
2007-05-24

DUAL ELEMENT VACUUM FILTRATION SYSTEM FOR METAL-WORKING FLUIDS

 #305
20070095742
2007-05-03

Disc filtration system with improved backwashing

 #306
20070080118
2007-04-12

Filter assembly

 #307
20070045200
2007-03-01

Gathering method and apparatus of powder separated soluble component

 #308
20070029249
2007-02-08

Reverse flow spin-cleaning liquid filters

 #309
20070017192
2007-01-25

Pressurized vapor cycle liquid distillation

 #310
20060272999
2006-12-07

Method and apparatus for a water filter backflush

 #311
20060266687
2006-11-30

Filtration apparatus

 #312
20060266686
2006-11-30

Filtration apparatus

 #313
20060266685
2006-11-30

Filtration apparatus

 #314
20060196820
2006-09-07

Displacement filter apparatus and method

 #315
20060180528
2006-08-17

Waste water recovery system

 #316
20060175270
2006-08-10

Compact backwashable water filter system

 #317
20060157879
2006-07-20

Device for providing a melt

 #318
20060070962
2006-04-06

Filtering method and filtering device

 #319
20060043014
2006-03-02

Self-cleaning mechanical filter

 #320
20060027512
2006-02-09

Methods and apparatus for removing fine particulate contaminants from commercial laundry waste water

 #321
20050183832
2005-08-25

Method and apparatus for phase change enhancement

 #322
20050178708
2005-08-18

Filtration and purification system and method therefor

 #323
20050178704
2005-08-18

Self-cleaning filter apparatus

 #324
20050161393
2005-07-28

Stationary cloth media filtration and self-aligning backwash assembly

 #325
20050161392
2005-07-28

Displacement filter apparatus

 #326
20050040091
2005-02-24

Apparatus and method for separating and filtering particles and organisms from flowing liquids

 #327
20050016914
2005-01-27

Device for filtering a fluid especially for plastic-processing installations

 #328
20050016828
2005-01-27

Pressurized vapor cycle liquid distillation

 #329
17974458
2025-09-23

Pool water filtration system and related methods

 #330
17936214
2024-09-10

Wastewater treatment system outlet filter cleaner

 #331
17828048
2023-01-31

Automatic flushing device for screen filter of biogas slurry drip irrigation system and use thereof

 #332
17566815
2022-04-26

Water filter system head with interchangeable inlet and outlet connections

 #333
17175993
2022-11-08

Dual screen treatment systems with debris ramps and screened deflectors

 #334
17153753
2023-11-21

Flow assisted anti-fouling geometries for compact heat exchangers

 #335
16567559
2020-05-12

High efficiency synthesis and purification recycling system of higher silane

 #336
16414343
2022-10-11

Wastewater treatment system outlet filter cleaner

 #337
16235780
2021-07-27

Self-cleaning inline filter

 #338
16104737
2019-03-26

Dual screen treatment systems with debris ramps and screened deflectors

 #339
14868935
2016-05-24

Waste compactor system

 #340
13652265
2015-04-07

Rotating pressure washing stand for spa or pool filter