ClassID:

86186

C02F1/046 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage by heating by distillation or evaporation under vacuum produced by a barometric column

Recent Application in this class:
#1
20260028250
2026-01-29

METHOD AND APPARATUS FOR DISPOSING HYDROGEN SULFIDE

#2
20240417282
2024-12-19

VACUUM EVAPORATIVE HEAT EXCHANGER

#3
20230295010
2023-09-21

Method for Recycling Selenium Source in Selenium-Enriched Yeast Fermentation Process, and Treatment System for Selenium-Containing Wastewater

#4
20230249990
2023-08-10

Vacuum assisted liquid separation system

#5
20230124058
2023-04-20

DISTILLATION APPARATUS

#6
20220356136
2022-11-10

PROCESS FOR RECOVERY OF HYDRATE INHIBITORS

#7
20220259072
2022-08-18

Vacuum evaporative heat exchanger

#8
20220033282
2022-02-03

Solar powered vacuum assisted desalination system

#9
20210311446
2021-10-07

Systems for selectively replenishing aquifers and generating electrical power based on electrical demand

#10
20200172411
2020-06-04

Using waste heat from a data center cooling system to facilitate low-temperature desalination

#11
20190233305
2019-08-01

Using waste heat from a data center cooling system to facilitate low-temperature desalination

#12
20190023585
2019-01-24

Method and apparatus for the recovery and deep treatment of polluted acid

#13
20180282646
2018-10-04

System for the treatment of organic waste

#14
20180111847
2018-04-26

WATER PURIFICATION SYSTEM

#15
20170203228
2017-07-20

Vacuum distillation apparatus

#16
20170174532
2017-06-22

System and method of desalination

#17
20170152155
2017-06-01

DEVICE FOR REMOVAL OF MOISTURE FROM WASTE AND METHOD THEREOF

#18
20160376168
2016-12-29

Low energy fluid purification system

#19
20150114818
2015-04-30

Vacuum air gap membrane distillation system and method for desalination

#20
20140360857
2014-12-11

Steam condensation and water distillation system

#21
20130264185
2013-10-10

Method and Means of Production Water Desalination

#22
20120267231
2012-10-25

SYSTEM AND METHOD OF PASSIVE LIQUID PURIFICATION

#23
20120085108
2012-04-12

Desalination using low-grade thermal energy

#24
20100065414
2010-03-18

WATER HEATING AND DISTILLATION ARRANGEMENT

#25
20090090612
2009-04-09

Device for producing a purified liquid from an uncleaned liquid

#26
20090077969
2009-03-26

Heat Transfer Methods for Ocean Thermal Energy Conversion and Desalination

#27
20090020406
2009-01-22

Desalination using low-grade thermal energy

#28
20090014312
2009-01-15

Low energy vacuum distillation method and apparatus

#29
20080277263
2008-11-13

METHOD AND APPARATUS FOR TREATMENT OF IMPOTABLE WATER

#30
20080179175
2008-07-31

Desalination process

#31
20070131534
2007-06-14

System and method of passive liquid purification

#32
20060231379
2006-10-19

Low energy vacuum distillation system using waste heat from water cooled electrical power plant

#33
20060157335
2006-07-20

Low energy vacuum distillation method and apparatus

#34
20050178648
2005-08-18

Low energy vacuum distillation method and apparatus

#35
17308505
2022-02-15

Water purification system

#36
15874728
2018-11-27

Methods and systems for treating vinasse

#37
15699988
2020-03-24

Self-regulating vacuum still