E21F 5/10

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2019/0316,468 APPARATUS FOR DISPERSING EXPLOSION PREVENTION MIXTUREMay 20, 19Oct 17, 19Strata Equipment, LLC
2019/0153,864 MINE SAFETY SYSTEM AND METHODApr 13, 17May 23, 19Not available
2015/0114,671 METHOD AND APPARATUS FOR APPLYING ROCK DUST TO A MINE WALLOct 24, 13Apr 30, 15Rusmar Incorporated
2013/0266,408 ON BOARD ROCK DUSTER SCOOP BUCKETMar 15, 13Oct 10, 13GENERAL ELECTRIC COMPANY
2010/0288,858 ROCK DUSTING APPARATUSMay 13, 10Nov 18, 10Not available
2007/0039,744 Tunnel fire protection systemDec 09, 05Feb 22, 07FIREAWAY LLC