ClassID:

28858

B01D24/16 - CPC Classification

Classification description:

Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container Upward filtration

Sub-classes:
Recent Application in this class:
#1
20250347297
2025-11-13

FEEDBACK CONTROLLED GAS LIFT CONVEYANCE OF SLURRY

#2
20230381690
2023-11-30

DATE SEED POWDER FOR WATER FILTRATION TREATMENT

#3
20230218104
2023-07-13

FILTER MODULE

#4
20220379242
2022-12-01

Date seed powder for water filtration treatment

#5
20220274857
2022-09-01

Device for advanced degradation of organic wastewater and application thereof

#6
20220184533
2022-06-16

FILTER

#7
20220016548
2022-01-20

Dispenser

#8
20210346824
2021-11-11

Regenerative Media Filtration Apparatus Improvements

#9
20200246727
2020-08-06

Up-flow water filtration system

#10
20190193000
2019-06-27

GLASS CARTRIDGE FILTERS ESPECIALLY USEFUL AS PART OF WATER-CIRCULATION SYSTEMS OF SWIMMING POOLS OR SPAS

#11
20190030463
2019-01-31

Dispenser

#12
20180229156
2018-08-16

Energy reduction and monitoring control system for backwashing media systems

#13
20170080360
2017-03-23

ENERGY REDUCTION AND MONITORING CONTROL SYSTEM FOR BACKWASHING MEDIA SYSTEMS

#14
20160279542
2016-09-29

Pond Filter

#15
20160243468
2016-08-25

Fluid filtration system

#16
20140166593
2014-06-19

Gas-liquid distribution technique for water or wastewater filters using underdrains

#17
20140061111
2014-03-06

ENCAPSULATED WATER FILTER MEDIA ASSEMBLY

#18
20100213143
2010-08-26

Apparatus for inhibiting fines carryover

#19
20090218265
2009-09-03

Instant Reverse-Flush Aquarium and Fish-Pond Filter

#20
20090008305
2009-01-08

Secondary filtration device applicable to a three-phase process

#21
20060163176
2006-07-27

Apparatus for inhibiting fines carryover

#22
16423637
2020-06-09

Filter system

#23
15684486
2020-03-17

Filtration gels and related processes

#24
15471650
2019-06-04

Filtered drinking straw