B01D33/09 - CPC Classification Index

ClassID:

29231 ⎘

B01D33/09 - CPC Classification

Classification description:

Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration with surface cells independently connected to pressure distributors

Recent Application in this class:

20220047974

2022-02-17

APPARATUS FOR REDUCING PRESSURE FLUCTUATION

20210387116

2021-12-16

ROTARY PRESSURE FILTER MODULE

20210246096

2021-08-12

Solid-liquid separation processes using a large pore filter

20180207559

2018-07-26

Separation process having improved capacity

20180207558

2018-07-26

Rotary pressure filter apparatus with reduced pressure fluctuations

20170087493

2017-03-30

Flat-face valve for pulp rotary drum vacuum washer filter

20150292639

2015-10-15

Flat-face valve for pulp rotary drum vacuum washer filter and method

20140353260

2014-12-04

Method and apparatus for washing pulp by means of intensified suction

20120273432

2012-11-01

Filter device, method for its operation and use thereof

#10

20120160761

2012-06-28

Filter device

#11

20120160748

2012-06-28

Filter device

#12

20120152863

2012-06-21

LIQUID EXTRACTION FILTER AND METHOD FOR CLEANING IT

#13

20110031193

2011-02-10

LIQUID EXTRACTION FILTER AND METHOD FOR CLEANING IT

#14

20100213142

2010-08-26

LIME MUD VACUUM FILTER WASHING SYSTEM AND METHOD

#15

20080257506

2008-10-23

High capacity and high efficiency filter deck assembly system and method of use and replacement

#16

20080061011

2008-03-13

Filter with resuspension of solids

#17

20060091081

2006-05-04

Process for removal of impurities from an oxidizer purge stream

#18

20050236339

2005-10-27

High capacity and high efficiency filter deck assembly

#19

20050051473

2005-03-10

Rotating filter system