ClassID:

86417

C02F5/025 - CPC Classification

Classification description:

Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents; Softening water by precipitation of the hardness Hot-water softening devices

Recent Application in this class:
#1
20240166543
2024-05-23

METHODS OF SEAWATER SOFTENING FOR DESALINATION AND MINERAL EXTRACTION

#2
20220120473
2022-04-21

Vertically stacked dual heat engine rack

#3
20220074292
2022-03-10

Treatment of OTSG blowdown

#4
20190292083
2019-09-26

Apparatus for evaporative concentration of water to be treated, which uses hot lime softening, and method for evaporative concentration of water using the same

#5
20190256388
2019-08-22

Process for removing silica from produced water and other wastewater streams

#6
20190084848
2019-03-21

Coagulant blend in SAGD water treatment

#7
20180028978
2018-02-01

Methods and systems for treating high temperature produced water

#8
20170283280
2017-10-05

Method for the desalination of supersaturated hot water

#9
20170088452
2017-03-30

Apparatus for evaporative concentration of water to be treated, which uses hot lime softening, and method for evaporative concentration of water using the same

#10
20160376933
2016-12-29

Electricity-water co-generation system and method

#11
20160362315
2016-12-15

Treatment of OTSG blowdown

#12
20160249767
2016-09-01

Descaling hot-beverage producing machines

#13
20160009582
2016-01-14

Methods and systems for treating produced water

#14
20130075313
2013-03-28

Water softener with closed-pressure aeration

#15
20120325744
2012-12-27

Monitoring and control of unit operations for generating steam from produced water

#16
20120152546
2012-06-21

Chemical oxidation or electromagnetic treatment in SAGD operations

#17
20120111794
2012-05-10

Apparatus and process for producing electricity using pressure retarded osmosis during desalination of sea water

#18
20120103025
2012-05-03

WASHING MACHINE

#19
20110259822
2011-10-27

Apparatus and process for desalination of brackish water

#20
20110203978
2011-08-25

Water softener with closed-pressure aeration

#21
20110089013
2011-04-21

Apparatus of produced water treatment, system and method of using the apparatus, and method of water reuse by using the same

#22
20100258308
2010-10-14

Water Integration Between An In-Situ Recovery Operation And A Bitumen Mining Operation

#23
20100154819
2010-06-24

Method for treating limescale deposits within water heaters inside beverage dispensing machines

#24
20090173692
2009-07-09

Water treatment process for oilfield produced water

#25
20090101556
2009-04-23

REACTOR AND METHOD FOR DECALCIFYING WATER AND SIMULTANEOUS REMOVAL OF POLLUTANTS

#26
20080237138
2008-10-02

Arrangements to reduce hardness of water in a hot water system

#27
20070007211
2007-01-11

Methods, devices and compounds for dosing corrosion inhibitors cleaners and softening resins to water systems

#28
20060151401
2006-07-13

Method and reactor for decalcifying and simultaneously removing harmful substances

#29
20060032802
2006-02-16

Apparatus and system for removing scale causing chemicals in hot water systems

#30
20060032796
2006-02-16

Filter appliance and inner container for a filter appliance

#31
20050109703
2005-05-26

Flow-through tank for water treatment

#32
20050092672
2005-05-05

Waterboiler system with solids removal apparatus

#33
20050035328
2005-02-17

Modified amine for boiler water treatment

#34
15256704
2016-11-22

Adjustable water softener with closed-pressure aeration