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Class Information
Number: 405/288
Name: Hydraulic and earth engineering > Earth treatment or control > Shoring, bracing, or cave-in prevention > Roof support
Description: Method or apparatus wherein a tunnel or mine overhead is braced to prevent cave-in.










Sub-classes under this class:

Class Number Class Name Patents
405/302.2 Cable or strap support 87
405/289 Inflatable 38
405/290 Jack 84
405/302.3 Mesh support 29
405/302.1 Subterranean roof plate 85


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8662796 Method and apparatus for lining tunnel walls or tunnel ceilings with protective nets Mar. 4, 2014
8579550 Truss shoe for use with a threaded rod Nov. 12, 2013
8562253 Method and apparatus for mounting and protection of communication equipment in underground mine Oct. 22, 2013
8414226 Mine support grout bags and grout packs Apr. 9, 2013
8408845 Pedestal support for mine prop Apr. 2, 2013
8371658 Apparatus and method for supporting a mine rib Feb. 12, 2013
8337120 Deformable rock bolt Dec. 25, 2012
8246276 Pumpable crib bag assembly and method of installation Aug. 21, 2012
8220094 Reinforced mine ventilation device Jul. 17, 2012
8224631 Stress, geologic, and support analysis methodology for underground openings Jul. 17, 2012
8215876 Shield cap for a shield-type mining support 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
8156694 Support pedestal for supporting an elevated building surface Apr. 17, 2012
8137033 Mesh handling system for an underground mining machine and related methods Mar. 20, 2012
8117787 Construction support Feb. 21, 2012
8092121 Free standing support Jan. 10, 2012
8052352 Mine support having a linearly moveable and/or pivoting end plate Nov. 8, 2011
8021083 Grout pack assembly Sep. 20, 2011
7959379 Bolt anchor Jun. 14, 2011
7914238 Free standing support Mar. 29, 2011
7909542 Mine support Mar. 22, 2011
7896579 End coupling for a rock bolt Mar. 1, 2011
7891911 Friction tube anchor and inflation adapter for the latter Feb. 22, 2011
7841805 Engineered composite wooden crib for use as a mine support Nov. 30, 2010
7819609 Automated, low profile drilling/bolting module with single button operation Oct. 26, 2010
7789593 Grout pack restraining system Sep. 7, 2010
7736738 Coated mining bolt Jun. 15, 2010
7730839 Interfacial stress reduction and load capacity enhancement system Jun. 8, 2010
7717649 Suspending hydraulic pillar May. 18, 2010
7717650 Roof truss shoe having wedge retention device and method of using the same May. 18, 2010
7654777 Grout pack restraining system Feb. 2, 2010
7566189 Mine roof bolt with resin control surface Jul. 28, 2009
7547161 Apparatus for positioning anchor bolts and method of using same Jun. 16, 2009
7503731 Yieldable prop for roof and ground control Mar. 17, 2009
7476058 Mining roof support frame with base skids lifting device Jan. 13, 2009
7445408 Yieldable prop having a restraint arrangement Nov. 4, 2008
7438506 Jack for carrying and installing mine panels Oct. 21, 2008
7390147 Yieldable prop having a yield section Jun. 24, 2008
7360971 Yieldable prop Apr. 22, 2008
7334968 Yieldable prop Feb. 26, 2008
7267505 Mine ventilation panel system Sep. 11, 2007
7261494 Truss shoe Aug. 28, 2007
7232103 Load-bearing pressurized liquid column Jun. 19, 2007
7201541 Prop head bearing Apr. 10, 2007
7179020 Mine roof bolt anchoring system and method Feb. 20, 2007
7134810 Yieldable prop having a yield section Nov. 14, 2006
7118310 Truss shoe for a mine roof and method Oct. 10, 2006
7114888 Yieldable prop Oct. 3, 2006

1 2 3 4 5 6










 
 
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