B01D24/20 - CPC Classification Index

ClassID:

28865 ⎘

B01D24/20 - CPC Classification

Classification description:

Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container

Sub-classes:

B01D24/205 » {Downward filtration without specifications about the filter material supporting means} 17
B01D24/22 » Downward filtration, the filter material being supported by pervious surfaces 38
B01D24/24 » Downward filtration, the container having distribution or collection headers or pervious conduits 98
B01D24/26 » Upward filtration 2

Recent Application in this class:

20260138055

Method and System for Anchoring an Underdrain

20260061345

DEVICES AND METHODS FOR MOVING, REMOVING AND/OR INSTALLING ONE OR MORE COMPONENTS OF A TREATMENT UNIT

20240401296

DEVICES, SYSTEMS AND METHODS FOR EROSION CONTROL

20240390822

DEVICES AND METHODS FOR MOVING, REMOVING AND/OR INSTALLING ONE OR MORE COMPONENTS OF A TREATMENT UNIT

20210354057

Enhanced shape support grid

20210339173

Devices and methods for moving, removing and/or installing one or more components of a treatment unit

20210222388

Devices, systems and methods for erosion control

20210220759

Filter backwash control system for a water or wastewater treatment system to conserve water during the filter backwash process

20210220758

Filter backwash control system for a water or wastewater treatment system to conserve water during the filter backwash process

20200114284

Devices and methods for moving, removing and/or installing one or more components of a treatment unit

20190275448

Filter backwash control system for a water or wastewater treatment system to conserve water during the filter backwash process

20190221323

Nuclear reactor using controlled debris to mitigate ECCS strainer pressure head loss

20190177962

Conical filtering device

20140047933

Uses of hydrophobic aggregates and methods for performing those uses

20140027369

Enhanced shape support grid

20130270175

Edo cup

20110284468

USES OF HYDROPHOBIC AGGREGATES AND METHODS FOR PERFORMING THOSE USES

20070151934

Deflector for a water/wastewater filtration tank

18103958

Integrated grommet filter

15889207

Method for filtering contaminated water

15884387

Method and apparatus for filtering contaminated water

14120231

Method and apparatus for filtering stormwater