B01D25/00 - CPC Classification Index

ClassID:

28920 ⎘

B01D25/00 - CPC Classification

Classification description:

Filters formed by clamping together several filtering elements or parts of such elements

Sub-classes:

B01D25/001 » {Making filtering elements } 55
B01D25/002 » {Clamping devices } 8
B01D25/003 » {integrally combined with devices for controlling the filtration} 11
B01D25/02 » in which the elements are pre-formed independent filtering units, e.g. modular systems 12
B01D25/04 » with screens or sheets, e.g. cloths, paper 4
B01D25/06 » with loose, granular of fibrous filtering material 4
B01D25/08 » {with rigid self-supporting filtering elements} 1
B01D25/10 » in which the suspended particles form the filtering medium 0
B01D25/12 » Filter presses, i.e. of the plate and frame type 75
B01D25/16 » {Edge filtering elements, i.e. using contiguous impervious surfaces} 3
B01D25/22 » Cell-type filters 1
B01D25/28 » Leaching or washing filter cakes in the filter {handling the filter cake for purposes other than regenerating} 6
B01D25/30 » Feeding devices; {Discharge devices} 15
B01D25/32 » Removal of the filter cakes 10

Recent Application in this class:

20250101481

2025-03-27

METHODS FOR PURIFICATION OF MESSENGER RNA USING NORMAL FLOW FILTRATION

20240367087

2024-11-07

SYSTEM AND METHOD OF WATER PURIFICATION UTILIZING AN IONOMER MEMBRANE

20230172390

2023-06-08

FILTER CONTAINER, FILTER ASSEMBLY, AND EXTRACTION DEVICE

20230028285

2023-01-26

System and method of water purification utilizing an ionomer membrane

20220170061

2022-06-02

Methods for purification of messenger RNA

20210363040

2021-11-25

Urban river channel direct purification device

20200269170

2020-08-27

Dynamic separation and filtration

20200071657

2020-03-05

Instruments, modules, and methods for improved detection of edited sequences in live cells

20190256384

2019-08-22

System and method of water purification utilizing an ionomer membrane

#10

20180283781

2018-10-04

Method for removal of a foulant from a carrier gas in a single vessel using cryogenic liquids

#11

20180193785

2018-07-12

High pressure filter

#12

20180017256

2018-01-18

Liquid gas system

#13

20170296946

2017-10-19

Dynamic separation and filtration

#14

20160107108

2016-04-21

Filter element, method for manufacturing and use thereof

#15

20150251117

2015-09-10

Apparatus and system for cleaning a filter

#16

20130240062

2013-09-19

DEVICE FOR THE MEDIA-TIGHT CONNECTION OF TWO HIGH-PRESSURE COMPONENTS

#17

20060118470

2006-06-08

Leakage indicator for a filter element of a filter press