ClassID:

30863

B01D2321/2091 - CPC Classification

Classification description:

Recent Application in this class:
#1
20220291097
2022-09-15

Methods and Compositions for Sample Filtration

#2
20190275467
2019-09-12

Method and system for cleaning membrane filters

#3
20190009221
2019-01-10

Method and system for cleaning membrane filters

#4
20180078905
2018-03-22

Method and system for cleaning membrane filters

#5
20170341030
2017-11-30

Dynamic filtration technology

#6
20170028356
2017-02-02

SYSTEM AND METHOD FOR POINT OF USE/POINT OF ENTRY WATER TREATMENT

#7
20160318777
2016-11-03

Membrane water treatment facility and method incorporating adsorption on an adsorbent powdered material and means for limiting the abrasion of the membranes

#8
20160297692
2016-10-13

Purification of oil-polluted water and device suitable therefor

#9
20160144098
2016-05-26

Membrane separation and washing devices, systems and methods employing same, and data management systems and methods

#10
20140284267
2014-09-25

Abrasion-proof filtration membrane and method of producing said membrane

#11
20140197086
2014-07-17

Water treatment systems and methods

#12
20130270184
2013-10-17

Method and system for cleaning membrane filters

#13
20130075322
2013-03-28

Cleaning device of membrane filtration apparatus

#14
20110266217
2011-11-03

METHOD FOR CLEANING FILTER SEPARATION SYSTEMS

#15
20110186513
2011-08-04

Water treatment systems and methods

#16
20110042308
2011-02-24

Method for cleaning filtration membrane modules and membrane bioreactor system for treating untreated water or wastewater or activated sludge

#17
20090314710
2009-12-24

Method of purifying wastewater and sewage treatment plant

#18
20090255867
2009-10-15

Purification method for effluent

#19
20090071913
2009-03-19

Device and method for the cleaning of lubricant and a lubricant circuit

#20
20080272050
2008-11-06

Multi-Barrier Water Purification System and Method

#21
20080203020
2008-08-28

Processes employing movable particles

#22
20080105615
2008-05-08

Membrane-cleaning method for membrane bioreactor process