ClassID:

28455

B01D3/326 - 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; Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups  - ; Tray constructions Tray supports

Recent Application in this class:
#1
20260084077
2026-03-26

REFINERY APPARATUS

#2
20230415083
2023-12-28

VAPOR-LIQUID CONTACTING APPARATUS AND PROCESS WITH DOWNCOMER AT SHELL

#3
20230105091
2023-04-06

Apparatus for a dividing wall column in an isomerization unit

#4
20230101452
2023-03-30

Support beam for supporting internals within a mass transfer column

#5
20210308598
2021-10-07

METHOD FOR INSTALLING TRAYS IN PLATE TOWER

#6
20210275938
2021-09-09

Bubble promoter

#7
20210162366
2021-06-03

Support grid for filling material packing

#8
20200149810
2020-05-14

Annular divided wall column with ring shaped collectors and distributers

#9
20200149809
2020-05-14

Annular divided wall column

#10
20190299138
2019-10-03

Vapor-liquid contacting apparatus and process with downcomer at shell

#11
20190262741
2019-08-29

Clip for supporting vessel internals, assembly and method of assembly

#12
20190209945
2019-07-11

COLUMN INTERNALS MOUNTING ANGLE

#13
20190063831
2019-02-28

Annular divided wall column with ring shaped collectors and distributers for an air separation unit

#14
20190063830
2019-02-28

Annular divided wall column for an air separation unit having a ring shaped support grid

#15
20190063829
2019-02-28

Annular divided wall column for an air separation unit

#16
20190046894
2019-02-14

CHORDAL WALL SUPPORT SYSTEM FOR CROSS FLOW TRAYS IN A MASS TRANSFER COLUMN AND METHOD INVOLVING SAME

#17
20180361270
2018-12-20

Distillation device comprising a column which as three or a plurality of cells in series through which fluid flows and method for distilling or extractive distillation by use of the distillation device

#18
20180147504
2018-05-31

Method and system for orifice control of valve pressure drop

#19
20180133618
2018-05-17

Clip for securing vessel internals and method of assembly

#20
20170328633
2017-11-16

Support for a packing column

#21
20170266582
2017-09-21

Grain alcohol distillation plants

#22
20160138864
2016-05-19

Liquid collection system

#23
20160038852
2016-02-11

Column for thermal treatment of fluid mixtures

#24
20150273355
2015-10-01

METHOD AND APPARATUS FOR SECURING FRACTIONATION TRAYS

#25
20150258467
2015-09-17

METHOD AND APPARATUS FOR SECURING FRACTIONATION TRAYS

#26
20130312608
2013-11-28

Structure of an absorption column

#27
20130264725
2013-10-10

Wet scrubber tray

#28
20130234348
2013-09-12

Cross flow tray and support system for use in a mass transfer column

#29
20130105502
2013-05-02

Latch for a hydroprocessing vessel and method relating thereto

#30
20130092063
2013-04-18

Column

#31
20130019556
2013-01-24

SPACE TRUSS SUPPORT DEVICE IN LARGE-SCALE TOWER

#32
20120292791
2012-11-22

Use of downcomer beam to support adjacent cross flow trays within a mass transfer column and process involving same

#33
20120228251
2012-09-13

Apparatus for supporting internals within a mass transfer column and process involving same

#34
20120211347
2012-08-23

Method and apparatus for securing fractionation trays

#35
20120134886
2012-05-31

Turbulent Flow Column

#36
20120111717
2012-05-10

Liquid collection and distribution device for mass transfer column and process involving same

#37
20120039754
2012-02-16

Headless suspended lass transfer and reaction tower

#38
20120034139
2012-02-09

Suspended mass transfer and reaction tower

#39
20110240458
2011-10-06

Stripping column and process for extracting a component from a liquid medium

#40
20100288624
2010-11-18

Activated hinge-joint

#41
20100018012
2010-01-28

CLAMP

#42
20090309245
2009-12-17

Wet scrubber tray

#43
20090256270
2009-10-15

Multiple downcomer tray

#44
20080142355
2008-06-19

Dead zone activation in vapor-liquid contacting apparatus

#45
20070262022
2007-11-15

Separating Tray for a Distillation Column

#46
20060231376
2006-10-19

Support beam for easily polymerizeable substance treatment device and easily polymerizeable substance treatment device

#47
20060213758
2006-09-28

Thermal separating process

#48
20060131766
2006-06-22

Tray column and method for mass transfer in a tray column

#49
20050218534
2005-10-06

Contact tray having tray supported downcomers

#50
20050017381
2005-01-27

Wall-flow redistributor for packed columns

#51
20050005418
2005-01-13

Method for releasably connecting a column plate to a supporting ring in a column via a clamp

#52
16116236
2019-11-12

Fractionation trays with downcomers oriented at 45 degrees