ClassID:

135885

E21C35/223 - CPC Classification

Classification description:

Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam not provided for in groups - , or; Equipment for preventing the formation of, or for removal of, dust Equipment associated with mining machines for sucking dust-laden air from the cutting area, with or without cleaning of the air

Recent Application in this class:
#1
20220081853
2022-03-17

Ground milling machine with dust removal device and service tunnel and method

#2
20210164175
2021-06-03

Earth working machine having a dust extraction system and rotatable filter cartridges

#3
20210164174
2021-06-03

Earth working machine having a filtered dust extraction system with an elastically deformable filter housing

#4
20200122072
2020-04-23

Filter assembly and scrubber section for a continuous miner

#5
20190382968
2019-12-19

Cold planer cutting chamber ventilation

#6
20190257042
2019-08-22

Ground milling machine, in particular road milling machine, for removing ground material, as well as method for operating a ground milling machine

#7
20170284038
2017-10-05

Ground milling machine, in particular road milling machine, for removing ground material, as well as method for operating a ground milling machine

#8
20160326870
2016-11-10

Cold planer exhaust system with access doors

#9
20160160643
2016-06-09

Air flow system for mining machine

#10
20160047241
2016-02-18

Automatic dust suppression system and method

#11
20150308265
2015-10-29

DEVICE FOR EXCAVATING A SHAFT

#12
20150191893
2015-07-09

Dust suppression arrangement for heavy excavation equipment

#13
20150176345
2015-06-25

Drilling tool support and method of collaring

#14
20140232171
2014-08-21

Air flow system for mining machine

#15
20140048635
2014-02-20

Local dust extraction system for an excavation machine

#16
20140020562
2014-01-23

Wet scrubber having a compact demister that requires reduced energy demand

#17
20130056233
2013-03-07

Dust suppression arrangement for heavy excavation equipment

#18
20120104831
2012-05-03

Heading Machine

#19
20120073445
2012-03-29

Dust scrubber

#20
20110221259
2011-09-15

Heading machine

#21
20080135301
2008-06-12

Arrangement for sucking dust