B01D2201/28 - CPC Classification Index

ClassID:

30090 ⎘

B01D2201/28 - CPC Classification

Classification description:

Details relating to filtering apparatus Position of the filtering element

Sub-classes:

B01D2201/282 » Filtering elements with a horizontal rotation or symmetry axis 29
B01D2201/285 » Filtering elements with a symmetry axis not parallel to the rotation axis 1
B01D2201/287 » Filtering elements with a vertical or inclined rotation or symmetry axis 49

Recent Application in this class:

20250161853

2025-05-22

AIR CLEANER ASSEMBLIES AND METHODS OF USE

20230390682

2023-12-07

Air cleaner assemblies and methods of use

20210275734

2021-09-09

Device for exchanging substances between blood and at least one gas/gas mixture

20210086121

2021-03-25

Air cleaner assemblies and methods of use

20190322542

2019-10-24

Filter cartridge placement in filter as you pour system

20180345196

2018-12-06

Air cleaner assemblies and methods of use

20180319672

2018-11-08

Filter cartridge placement in filter as you pour system

20180116186

2018-05-03

Waste-movement system for aquarium

20180056222

2018-03-01

Air cleaner

#10

20170013812

2017-01-19

Aquarium undergravel filter

#11

20130167493

2013-07-04

V-bank filter assembly with replaceable filters

#12

20100018238

2010-01-28

WATER FILTER UNIT

#13

20060186031

2006-08-24

Filter apparatus