ClassID:

136267

E21F5/06 - CPC Classification

Classification description:

Means or methods for preventing, binding, depositing, or removing dust ; Preventing explosions or fires by wetting or spraying Fluids used for spraying

Recent Application in this class:
#1
20250327019
2025-10-23

IMMOBILIZED MINING MICROBIAL ACCELERATOR BASED ON BIOSURFACTANT BACTERIA AND PREPARATION METHOD THEREOF

#2
20250198289
2025-06-19

TAILINGS DUST SUPPRESSION

#3
20250051624
2025-02-13

DUST SUPPRESSANT COMPOSITION COMPRISING GLYCOLIPID

#4
20240376359
2024-11-14

COMPOSITIONS AND METHODS FOR SUPPRESSING DUST

#5
20240125234
2024-04-18

Liquid nitrogen direct injection and foaming intelligent filling system based on mine fire area characteristics and application method

#6
20210002535
2021-01-07

COMPOSITION COMPRISING SATURATED HYDROCARBON AND METHOD FOR DUST SUPPRESSION

#7
20200248055
2020-08-06

Use of aqueous solution of organic ammonium carboxylate in preventing dusting of fine material and combination of an aqueous solution of organic ammonium carboxylate and fine material

#8
20200095864
2020-03-26

Physical-chemical composite inhibitor for controlling spontaneous combustion of low-rank coal and method of preparing and using same

#9
20190218438
2019-07-18

Aqueous based dust control compositions and methods

#10
20190143349
2019-05-16

Device and Method for Distributing Chemicals Into the Air Via a Fan

#11
20180346779
2018-12-06

Composition comprising saturated hydrocarbon and method for dust suppression

#12
20170341094
2017-11-30

TUNNEL FAN AND METHOD

#13
20170166793
2017-06-15

Method and composition for dust control

#14
20170166792
2017-06-15

Dust control formulations

#15
20170130109
2017-05-11

Methods of and systems for controlling dust

#16
20160237301
2016-08-18

Methods for maintaining unpaved roads

#17
20150232730
2015-08-20

Method and composition for dust control

#18
20140345342
2014-11-27

Concentrated sugar additive as anti-dusting agent

#19
20140263720
2014-09-18

LIQUID SPRAY APPARATUS AND SYSTEM

#20
20130256589
2013-10-03

Composition for dust control and limiting moisture re-absorption

#21
20130014963
2013-01-17

Quick connect fire and dust suppression system

#22
20100140539
2010-06-10

METHOD AND COMPOSITION TO FORM A FLEXIBLE CRUST ON A SUBSTRATE

#23
20100090160
2010-04-15

COMPOSITION FOR DUST CONTROL AND LIMITING MOISTURE RE-ABSORPTION

#24
20050011653
2005-01-20

Process for extinguishment of underground coal seam fires