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Class Information
Number: 405/302.1
Name: Hydraulic and earth engineering > Earth treatment or control > Shoring, bracing, or cave-in prevention > Roof support > Subterranean roof plate
Description: Subject matter comprising a plate, intended to be used in conjunction with a bolt, for supporting an overhead earthen formation (e.g., tunnel).










Patents under this class:
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Patent Number Title Of Patent Date Issued
8579550 Truss shoe for use with a threaded rod Nov. 12, 2013
8468762 Strut accessory for lining a wall and including membrane clamping claws, and wall lining device including such accessory Jun. 25, 2013
8251617 Rock anchor cable Aug. 28, 2012
8215875 Bolt anchor Jul. 10, 2012
8197160 Mine roof and rib support with reinforced channel Jun. 12, 2012
8172485 End coupling for a rock bolt May. 8, 2012
8162569 High-strength anchor system, safe room bulkhead, and method of anchoring a support to mine strata Apr. 24, 2012
8052353 System and method for mine roof counter bore and cable bolt head securement therein Nov. 8, 2011
8033760 Tension assembly Oct. 11, 2011
7959379 Bolt anchor Jun. 14, 2011
7896579 End coupling for a rock bolt Mar. 1, 2011
7794181 Mine roof and rib support device Sep. 14, 2010
7758284 Tensionable spiral bolt with resin nut and related method Jul. 20, 2010
7717650 Roof truss shoe having wedge retention device and method of using the same May. 18, 2010
7625155 Mine roof cable bolt assembly Dec. 1, 2009
7597505 Roof bolt plate Oct. 6, 2009
7588394 Low profile mine roof support Sep. 15, 2009
7510351 Method for supporting a subsurface material Mar. 31, 2009
7296950 Point anchor coated mine roof bolt Nov. 20, 2007
7284933 Square embossed roof and rib plate Oct. 23, 2007
7270501 Expandable rock bolt and rock bolting system Sep. 18, 2007
7261494 Truss shoe Aug. 28, 2007
7179020 Mine roof bolt anchoring system and method Feb. 20, 2007
7147404 Elongate element tensioning member Dec. 12, 2006
7118310 Truss shoe for a mine roof and method Oct. 10, 2006
7073982 Point anchor coated mine roof bolt Jul. 11, 2006
7044688 Roof bolts for use in mines, a method for their production and method for their installation May. 16, 2006
7001109 Apparatus for ground support Feb. 21, 2006
6994496 Roof bolts for use in mines, a method for their production and a method for their installation Feb. 7, 2006
6986623 Method and apparatus for anchoring a mine roof bolt Jan. 17, 2006
6957931 Roof bolt bearing plate and method for an underground mine Oct. 25, 2005
6921232 Mine roof-support truss Jul. 26, 2005
6884005 Roof support truss Apr. 26, 2005
6793445 Method and apparatus for insertion of rock bolts Sep. 21, 2004
6648557 Drilling apparatus and method for single pass bolting Nov. 18, 2003
6536990 Device for the mutual support of two construction members Mar. 25, 2003
6474910 Rockbolt assembly Nov. 5, 2002
6457909 Multi-purpose anchor bolt assembly Oct. 1, 2002
6146056 Channel and bearing plate assembly Nov. 14, 2000
6004077 System for securement of a mesh screening means and method of installation Dec. 21, 1999
5954456 Torque nut for mine roof bolt assembly Sep. 21, 1999
5934855 Large-area washer Aug. 10, 1999
5885034 Washer for use in mining Mar. 23, 1999
RE35902 Bearing plate Sep. 22, 1998
5803693 Swiveling roofing washer Sep. 8, 1998
5791828 Plate for use in support of a mine roof Aug. 11, 1998
5769570 Cable tensioning dome plate Jun. 23, 1998
5743678 Anchor eye-bolt for mine roof Apr. 28, 1998
5628587 Bearer plate May. 13, 1997
5547317 Mine support system Aug. 20, 1996

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