B01D21/186 - CPC Classification Index

ClassID:

28785 ⎘

B01D21/186 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation; Construction of the scrapers or the driving mechanisms for settling tanks with two or more scrapers fixed at different heights on a central rotating shaft

Recent Application in this class:

20210331091

2021-10-28

Clarifier with submerged effluent launder and launder sweeper system

20090184055

2009-07-23

Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

20080061003

2008-03-13

Method for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid

20070045202

2007-03-01

Apparatus for production, withdrawal and transfer of highly viscous slurry

20050092671

2005-05-05

Apparatus for recycling of oil-based drilling fluid contaminated with water and water contaminated with oil based drilling fluid