E21C35/22 - CPC Classification Index

ClassID:

135884 ⎘

E21C35/22 - 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

Sub-classes:

E21C2035/226 » {Control valves for the spraying liquid used in dust suppression systems} 1
E21C35/223 » {Equipment associated with mining machines for sucking dust-laden air from the cutting area, with or without cleaning of the air} 21
E21C35/23 » Distribution of spraying-fluids in rotating cutter-heads 13

Recent Application in this class:

20260028909

2026-01-29

FILTER SYSTEM FOR REMOVING DUST PARTICLES FROM UNDERGROUND MINING AND METHODS OF USE THEREOF

20250012188

2025-01-09

DUST MITIGATION SYSTEM

20220316336

2022-10-06

Gas-liquid spray dust settlement system for fully mechanized mining face

20200263540

2020-08-20

Shearer cutting unit with double-speed rollers

20200208519

2020-07-02

Auxiliary transportation and support system used after rapid excavation

20200208516

2020-07-02

Cutter pick assembly with water spray assembly

20190186262

2019-06-20

MOBILE UNIT AND METHOD OF CONVEYING MATERIAL AND REMOVING DUST

20180003052

2018-01-04

Cutting bit assembly

20170089197

2017-03-30

Shield for sumping frame of mining machine

#10

20160362979

2016-12-15

Spray system for mining machine

#11

20160341040

2016-11-24

Block with coolant delivery

#12

20160215620

2016-07-28

Cutting bit assembly

#13

20150115691

2015-04-30

CONTINUOUS MATERIAL HAULAGE SYSTEM AND METHOD

#14

20140008469

2014-01-09

Water sprays for dust control on mining machines

#15

20130112438

2013-05-09

SPRAY NOZZLE UNIT

#16

20120019045

2012-01-26

WATER SPRAY SYSTEM FOR CONTINUOUS MINER AND METHOD OF USE

#17

20120018544

2012-01-26

Water sprays for dust control on mining machines

#18

20100237683

2010-09-23

Shearer loader for underground mining comprising a spray system

#19

20100044454

2010-02-25

WATER SPRAY NOZZLE AND METHOD OF OPTIMIZATION OF WORKING PARAMETERS OF WATER SPRAY NOZZLE

#20

20090033140

2009-02-05

Use Of Foam To Increase Resistance To Gas Flow In Mine Applications And Apparatus For Delivering Same

#21

20080272207

2008-11-06

Water spray assembly

#22

20070158995

2007-07-12

Arrangement for the admission of pressurized water to spray systems

#23

20050189441

2005-09-01

Water spray assembly