ClassID:

29567

B01D46/4281 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours; Auxiliary equipment or operation thereof Venturi's or systems showing a venturi effect

Recent Application in this class:
#1
20250041781
2025-02-06

FILTER SYSTEMS WITH DIRTY AIR CHAMBER SPACER ELEMENTS AND METHODS OF USING THE SAME

#2
20230372857
2023-11-23

Filter systems with dirty air chamber spacer elements and methods of using the same

#3
20220241713
2022-08-04

Filter system and method

#4
20210402337
2021-12-30

Filter systems with dirty air chamber spacer elements and methods of using the same

#5
20210205745
2021-07-08

Orifice-defining entry plate with support brace for filtration device

#6
20200308989
2020-10-01

Assembly for particle removal

#7
20200122073
2020-04-23

Filter systems with dirty air chamber spacer elements and methods of using the same

#8
20200031477
2020-01-30

Mixer assembly with surrounding filter element, stowage space with mixer assembly, vehicle with a stowage space and method for installing a mixer assembly

#9
20180361298
2018-12-20

Air filter cartridge with internal structure

#10
20180021712
2018-01-25

Filter systems with dirty air chamber spacer elements and methods of using the same

#11
20180016944
2018-01-18

Assembly for a gas turbine engine

#12
20150298038
2015-10-22

Filter systems with dirty air chamber spacer elements and methods of using the same

#13
20140174476
2014-06-26

Filter bag cleaning system

#14
20130327213
2013-12-12

Filter bag cleaning system

#15
20130305926
2013-11-21

Filter systems with dirty air chamber spacer elements and methods of using the same

#16
20130305667
2013-11-21

Air filter assembly having venturi elements with extended pulse outlets

#17
20120104748
2012-05-03

Venturi adapter

#18
20100162672
2010-07-01

Filter bag for use in dust collector

#19
20090293836
2009-12-03

Engine exhaust cooler and air pre-cleaner aspirator

#20
20090217630
2009-09-03

Cleaning nozzle for dust collector

#21
20080314012
2008-12-25

Filter Elements

#22
20080271607
2008-11-06

Plenum based high pressure blowback gas delivery system in a continuous process flow filtration system

#23
20070137151
2007-06-21

Reverse-flow cleaning systems and methods

#24
20070125698
2007-06-07

Environmentally friendly dual lube venturi filter cartridge

#25
20060288676
2006-12-28

Particulate filtration system

#26
20060124516
2006-06-15

Environmentally friendly dual lube venturi filter cartridge

#27
20060075899
2006-04-13

Disposable HEPA filtration adapter

#28
20050120881
2005-06-09

Reverse-flow cleaning systems and methods

#29
16235397
2020-04-21

Filter cartridges with tubular filter members

#30
16194436
2019-08-06

System, method, and apparatus to reduce urban air pollution