ClassID:

28441

B01D3/163 - CPC Classification

Classification description:

Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping; Fractional distillation or use of a fractionation or rectification column; Fractionating columns in which vapour bubbles through liquid Plates with valves

Recent Application in this class:
#1
20250186902
2025-06-12

MASS TRANSFER TRAY, USE THEREOF, COLUMN HAVING THE SAME, AND THERMAL SEPARATION PROCESS

#2
20250090974
2025-03-20

FRACTIONATION TRAY WITH ADJUSTABLE OPEN AREA FOR CLEANING AND/OR THROUGHPUT CONTROL

#3
20240226768
2024-07-11

DUAL-FLOW TRAY FOR VAPOR-LIQUID CONTACTING, AND ITS USE

#4
20240131447
2024-04-25

DUAL-FLOW TRAY FOR VAPOR-LIQUID CONTACTING, AND ITS USE

#5
20220295321
2022-09-15

Contact tray for a mass transfer column

#6
20210346818
2021-11-11

Fractionation tray with adjustable open area for cleaning and/or throughput control

#7
20210299589
2021-09-30

Method and system for orifice control of valve pressure drop

#8
20210275938
2021-09-09

Bubble promoter

#9
20210170300
2021-06-10

Multiple downcomer trays

#10
20200061490
2020-02-27

Multi-pass contact tray for a mass transfer column and method involving same

#11
20190321748
2019-10-24

Contact tray having baffle wall for concentrating low liquid flow and method involving same

#12
20190270031
2019-09-05

Fluid dispersion unit with directional component vector

#13
20190255457
2019-08-22

Aperture layout for vapor-liquid contact tray

#14
20190247767
2019-08-15

Distillation column having removable tray assembly

#15
20190192991
2019-06-27

Contact tray for a mass transfer column

#16
20190177620
2019-06-13

Process for conversion of plastics into fuel

#17
20190151767
2019-05-23

Fluid dispersion unit with directional component vector

#18
20190030504
2019-01-31

Tray deck orifice device and methods of repairing a tray deck

#19
20180214791
2018-08-02

VALVE FOR CARRYING OUT A MASS TRANSFER PROCESS

#20
20180178172
2018-06-28

Contact tray having picketed liquid flow barriers and method involving same

#21
20180147504
2018-05-31

Method and system for orifice control of valve pressure drop

#22
20180008904
2018-01-11

Aperture layout for vapor-liquid contact tray

#23
20170340985
2017-11-30

GAS DISTRIBUTION STRUCTURE FOR DISTILLATION COLUMN AND CONTROL METHOD THEREOF

#24
20170136385
2017-05-18

Fluid dispersion unit with directional component vector

#25
20170007971
2017-01-12

Contact tray for a mass transfer column

#26
20170007943
2017-01-12

CONTACT TRAY FOR A MASS TRANSFER COLUMN AND METHOD INVOLVING SAME

#27
20160340282
2016-11-24

Process and Installation for the Production of Dialkyl Ether

#28
20160339355
2016-11-24

Oil scrubbing column

#29
20160257637
2016-09-08

Process for preparing acrylic acid

#30
20160229770
2016-08-11

Process for the purification of a cracking gas stream in an oil scrub column

#31
20160193542
2016-07-07

Liquid-gas exchange device and separation method

#32
20150217208
2015-08-06

Distillation column having removable tray assembly

#33
20140361451
2014-12-11

Fluid dispersion unit with directional component vector

#34
20140252663
2014-09-11

Column for carrying out gas/liquid mass-transfer processes

#35
20140252661
2014-09-11

Valve for carrying out a mass-transfer process

#36
20140251138
2014-09-11

Method for carrying out a mass-transfer process in a column

#37
20130099402
2013-04-25

Valve tray

#38
20130062793
2013-03-14

Contact tray for a mass transfer column

#39
20120118399
2012-05-17

Fluid dispersion unit assembly and method

#40
20120043196
2012-02-23

VERSATILE DISTILLATION CELL

#41
20110278745
2011-11-17

Contact tray for a mass transfer column

#42
20110278744
2011-11-17

Contact tray for a mass transfer column

#43
20100221156
2010-09-02

Mass exchange contact device

#44
20100219060
2010-09-02

Mass-exchange contact device

#45
20090256270
2009-10-15

Multiple downcomer tray

#46
20090200690
2009-08-13

Mass Transfer Device

#47
20090145738
2009-06-11

Mass Exchange Contact Device

#48
20090134533
2009-05-28

Contact tray for a mass transfer column

#49
20090115079
2009-05-07

Valve configuration that increases the capacity and improves the performance of cross-flow trays used in fractionation units of chemical, petrochemical and oil refining process plants

#50
20080277260
2008-11-13

Fluid dispersion unit assembly and method

#51
20080018003
2008-01-24

Valve for a contact tray

#52
20070227595
2007-10-04

Parent-subsidiary guide float valve

#53
20070023938
2007-02-01

Tray valve for a tray column

#54
20050280169
2005-12-22

Gas-liquid contact tray with fixed valves for mass transfer

#55
15686000
2018-06-26

Systems and methods for cleaning a rectification column