E21F

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Showing 1 to 20 of 437 results

Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2020/0095,863 ROOF SUPPORT INCLUDING EXTENDABLE LINKSSep 24, 19Mar 26, 20Not available
2020/0095,864 PHYSICAL-CHEMICAL COMPOSITE INHIBITOR FOR CONTROLLING SPONTANEOUS COMBUSTION OF LOW-RANK COAL AND METHOD OF PREPARING AND USING SAMEDec 04, 17Mar 26, 20Not available
2020/0087,076 SYSTEMS AND METHODS FOR TENSIONING A CONVEYOR IN A MINING SYSTEMNov 22, 19Mar 19, 20Not available
2020/0091,967 COAL TRACKERNov 20, 19Mar 19, 20Not available
2020/0053,627 SYSTEM FOR TRANSMITTING DATA FROM AN UNDERGROUND VEHICLEOct 22, 19Feb 13, 20Not available
2020/0049,007 Optimized Mine Ventilation SystemOct 22, 19Feb 13, 20Not available
2020/0049,533 System and Method for Monitoring Fault Conditions in a Pan Line of a Longwall Mining SystemJul 24, 19Feb 13, 20CATERPILLAR GLOBAL MINING EUROPE GMBH
2020/0049,008 Plug for a Void, System and MethodOct 16, 19Feb 13, 20Strata Products Worldwide, LLC
2020/0040,727 METHOD FOR MINING ULTRA-THICK COAL SEAM BY UTILIZING GOAF SOLID BACKFILLING TECHNIQUEJan 23, 19Feb 06, 20Not available
2020/0040,726 COMBINED AUTOMATIC ANTI-EXPLOSION METHOD FOR GAS DRAINAGE PIPELINEAug 03, 18Feb 06, 20Not available
2020/0040,728 METHOD OF FORMING A ROADWAY BY FILLING GANGUE PASTE DURING WIDE-ROADWAY EXCAVATION OF THICK COAL SEAMMay 11, 18Feb 06, 20Not available
2020/0040,729 Inclined Shaft Continuous Feeding System for Solid Filling MaterialsJan 23, 19Feb 06, 20Not available
2020/0032,651 VEHICULAR WORK MACHINE AND METHOD FOR VEHICULAR WORK MACHINE WATER CONTROLJan 03, 18Jan 30, 20Not available
2020/0032,647 METHOD FOR ROCK BURST PREVENTION BY ACTIVE SUPPORT REINFORCEMENT AND ACTIVE PRESSURE RELIEFAug 03, 18Jan 30, 20Not available
2020/0033,496 MONITORING AND FOREWARNING METHOD FOR COAL-ROCK DYNAMIC DISASTERS BASED ON ELECTROMAGNETIC RADIATION AND EARTH SOUNDMar 30, 18Jan 30, 20University of Science and Technology Beijing; Zhong-an Academy of safety Engineering;
2020/0024,944 METHOD OF MINING SINGLE STEEPLY-INCLINED THICK COAL SEAMMay 11, 18Jan 23, 20Not available
2020/0010,277 CHAIN CONVEYORSep 16, 19Jan 09, 20Not available
2019/0390,549 LOADING ARM ASSEMBLY AND METHOD OF USEJun 21, 19Dec 26, 19Not available
2019/0381,344 Fire Protection Boards And Structures Protected By Such BoardsJan 18, 18Dec 19, 19Not available
2019/0360,335 ROADWAY CONDUIT SYSTEMS AND METHODSAug 09, 19Nov 28, 19Not available

Showing 1 to 20 of 437 results