Patents-Review.com
ClassID:

30680 ⎘

B01D2273/26 - CPC Classification

Classification description:

Operation of filters specially adapted for separating dispersed particles from gases or vapours Making use of optical waves, e.g. for measurements

Recent Application in this class:
#1
20230140619
2023-05-04

FILTERS, FILTER SYSTEMS, AND METHODS OF USE

 #2
20220288523
2022-09-15

SYSTEM AND METHOD FOR THE IDENTIFICATION AND SEPARATION OF COMPOUNDS CARRIED IN A FLUID STREAM

 #3
20220265888
2022-08-25

AIR PURIFYING DEVICE

 #4
20220096701
2022-03-31

Air purification and disinfection apparatus and methods of use

 #5
20220040620
2022-02-10

UV ENABLED FINS ENCAPSULATION SYSTEM

 #6
20220016558
2022-01-20

Air purification device

 #7
20210346563
2021-11-11

Systems, apparatus and methods for purifying air

 #8
20200353399
2020-11-12

Smoke evacuation system fluid trap

 #9
20200318584
2020-10-08

Air intake screen debris sensing

 #10
20190160409
2019-05-30

Smoke evacuation system fluid trap

 #11
20190128820
2019-05-02

System and method for detecting a level of dirtiness of a filter mat of an airflow cooling system for telecommunications equipment

 #12
20180135233
2018-05-17

Filtering system with self-cleaning function and clothes dryer

 #13
20160121251
2016-05-05

Contamination sensor, air purifier having the same and control method thereof

 #14
20160061747
2016-03-03

Apparatus and method for measuring contamination of filter

 #15
20160038868
2016-02-11

Air cleaning device

 #16
20100150787
2010-06-17

DISPLAY FILTER AND DISPLAY DEVICE REMOVING INDOOR AIR POLLUTANTS

 #17
20080264257
2008-10-30

METHOD AND APPARATUS FOR ILLUMINATING AND REMOVING AIRBORNE IMPURITIES WITHIN AN ENCLOSED CHAMBER

 #18
20070238191
2007-10-11

Honeycomb filter defect detecting method and apparatus

 #19
20070148402
2007-06-28

Honeycomb structured body

 #20
16927719
2020-12-29

Passenger elevator air purification system

 #21
16251060
2020-05-05

Clogged dust filter monitor