Patents-Review.com
ClassID:

136295 ⎘

E21F13/066 - CPC Classification

Classification description:

Transport specially adapted to underground conditions at or adjacent to the working face Transport of mined material Scraper chain conveyors

Sub-classes:
Recent Application in this class:
#1
20240318552
2024-09-26

ROTARY BORING MINING MACHINE INERTIAL STEERING SYSTEM

 #2
20230296376
2023-09-21

SYSTEM AND METHOD FOR DETECTING FULL-LENGTH FLUCTUATION STATE OF SCRAPER CONVEYOR OF FULLY-MECHANIZED COAL MINING WORKING FACE

 #3
20220349304
2022-11-03

Rotary boring mining machine inertial steering system

 #4
20220144554
2022-05-12

Device and method for distributed detection of straightness of working face of scraper conveyor based on optical fiber sensing

 #5
20210237979
2021-08-05

Chain conveyor

 #6
20200399070
2020-12-24

Driver for scraper chain conveyors

 #7
20200370432
2020-11-26

Rotary boring mining machine inertial steering system

 #8
20200354150
2020-11-12

Chain conveyor and link for same

 #9
20200115164
2020-04-16

Chain conveyor and coupler link for same

 #10
20200087076
2020-03-19

Systems and methods for tensioning a conveyor in a mining system

 #11
20200024944
2020-01-23

METHOD OF MINING SINGLE STEEPLY-INCLINED THICK COAL SEAM

 #12
20200010277
2020-01-09

Chain conveyor

 #13
20190345824
2019-11-14

Automatic straightening device and method for scraper conveyor on fully-mechanized coal mining face based on tensile and compressive force sensors

 #14
20190039832
2019-02-07

Chain conveyor and drive sprocket for same

 #15
20190003304
2019-01-03

Method for realizing centralized control platform for large fully-mechanized coal mining face equipment

 #16
20180251316
2018-09-06

Drive shaft and sprockets for chain conveyor

 #17
20180251313
2018-09-06

Chain conveyor link

 #18
20180251312
2018-09-06

Chain conveyor

 #19
20180251311
2018-09-06

Chain conveyor and link for same

 #20
20180251310
2018-09-06

Chain conveyor and coupler link for same

 #21
20180229939
2018-08-16

Conveyor pan

 #22
20180222683
2018-08-09

Systems and methods for tensioning a conveyor in a mining system

 #23
20180155132
2018-06-07

Fracture detection system and method for dumbbell pin of scraper conveyor

 #24
20180105366
2018-04-19

Take-up mechanism for conveyor system

 #25
20180073358
2018-03-15

Rotary boring mining machine inertial steering system

 #26
20170297825
2017-10-19

Systems and methods for tensioning a conveyor in a mining system

 #27
20170292378
2017-10-12

Plow guide assembly for plow guides

 #28
20170197793
2017-07-13

Scraping elements for drive units of underground mining applications

 #29
20160289006
2016-10-06

Take-up mechanism for conveyor system

 #30
20160017710
2016-01-21

LUMP CRUSHER FOR A SCRAPER CHAIN CONVEYOR

 #31
20140239699
2014-08-28

Continuous miner mid-conveyor drive

 #32
20140077042
2014-03-20

Fiber optic cable protection in a mining system

 #33
20130306438
2013-11-21

Connecting device for a trough pan of extraction devices, trough pan and attachment therefor

 #34
20120187746
2012-07-26

Fiber optic cable protection in a mining system

 #35
20120182016
2012-07-19

Sensor device and method for the geoelectrical prospecting of raw mineral deposits

 #36
20120181844
2012-07-19

CONTINUOUS MINING

 #37
20120080289
2012-04-05

Upper-strand well for a trough pan and trough pan having such an upper-strand well

 #38
20110220466
2011-09-15

Pan section

 #39
20110024268
2011-02-03

Extraction device, particularly for mining, and method for controlling the extraction device

 #40
20050170924
2005-08-04

Sprocket wheel for underground mining

 #41
14829788
2016-09-13

Conveyor slip detection and control

 #42
14810633
2016-04-12

Method for limiting articulation of a chain joint using a chain link extension of a chain assembly