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Class Information
Number: 405/259.1
Name: Hydraulic and earth engineering > Earth treatment or control > Rock or earth bolt or anchor
Description: Method or apparatus wherein a rodlike tension member penetrates the earth to either tie plural layers together and create compression stress within them, or secure a treating or control structure to the earth, or a method or apparatus for installing a rodlike member which resists withdrawal from the earth, and which includes a step or means for treating the earth (e.g., grouting).










Sub-classes under this class:

Class Number Class Name Patents
405/259.4 Bolt having wedge expander 82
405/259.3 Expandable tube 151
405/259.2 Frangible bolt 20
405/262 With retaining wall 386
405/259.5 With settable material feature 342


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8690484 Sheathed cable Apr. 8, 2014
8651771 Anchor arrangement for use with open mat system; open mat system; and methods for reinforcing earth Feb. 18, 2014
8647020 Plastic cable bolt button Feb. 11, 2014
8613572 Self-venting chemical anchoring assembly with splash guard Dec. 24, 2013
8602690 Sleeved cable bolt Dec. 10, 2013
8596923 System and method for mine roof counter bore and cable bolt head securement therein Dec. 3, 2013
8556542 Cuttable drilling tool, and a cuttable self drilling rock bolt Oct. 15, 2013
8550751 Non-tensionable cable bolt apparatus and related method Oct. 8, 2013
8485758 Yieldable cone bolt and method of manufacturing same Jul. 16, 2013
8465238 Sliding anchor Jun. 18, 2013
8403600 Drilling tool, a self-drilling rock bolt, a drill bit, an anchoring device for a self-drilling rock bolt, a shaft for a drilling tool and an end coupling for a drilling tool Mar. 26, 2013
8317430 Crawler-type and height adjustment drilling machine for setting roof and side wall anchor bolts and anchor cables Nov. 27, 2012
8297886 Drilling rig Oct. 30, 2012
8282318 Roof bolt anchor with camming element Oct. 9, 2012
8277148 Re-tensionable cable bolt apparatus and related method Oct. 2, 2012
8277149 Tensionable cable bolt with crimped shaft Oct. 2, 2012
8240958 Injection bolt with a fixed static mixer Aug. 14, 2012
8224631 Stress, geologic, and support analysis methodology for underground openings Jul. 17, 2012
8215875 Bolt anchor Jul. 10, 2012
8177458 Mechanically stabilized earth connection apparatus and method May. 15, 2012
8172005 Cement silo structure for mining machine May. 8, 2012
8172484 Fiber reinforced plastic drilling anchor May. 8, 2012
8172485 End coupling for a rock bolt May. 8, 2012
8157482 Anchor system Apr. 17, 2012
8152416 Device for expanding and/or evacuating parts of anchors Apr. 10, 2012
8146306 Anchor for post tension concrete reinforcing systems Apr. 3, 2012
8142109 Corrosion-protected, self-drilling anchor and anchor subunit and method for the production thereof Mar. 27, 2012
8100607 Rock anchor Jan. 24, 2012
8087850 Rock bolt Jan. 3, 2012
8061935 Rock bolt and an anchoring device Nov. 22, 2011
8052353 System and method for mine roof counter bore and cable bolt head securement therein Nov. 8, 2011
8033760 Tension assembly Oct. 11, 2011
8029211 Adaptor for setting a self-drilling, chemically anchored, fastening element Oct. 4, 2011
8007206 Low profile cable bolt headers Aug. 30, 2011
7980030 C-type underbracing having enlarged end portions for installing on utility pole Jul. 19, 2011
7967532 Ground anchor or rock anchor with an anchor tension member comprised of one or more individual elements with corrosion-protected anchor head design Jun. 28, 2011
7963725 Rock bolt Jun. 21, 2011
7963726 Plastic rock-bolt or dowel Jun. 21, 2011
7959378 Base for a drilling device Jun. 14, 2011
7959379 Bolt anchor Jun. 14, 2011
7955034 Sliding anchor Jun. 7, 2011
7927042 Elongate element tensioning member Apr. 19, 2011
7927044 Tensioning assembly for a cable bolt Apr. 19, 2011
7909338 Adapter member of a rock anchor Mar. 22, 2011
7896580 Self drilling rock bolt Mar. 1, 2011
7896579 End coupling for a rock bolt Mar. 1, 2011
7896581 Re-tensionable cable bolt apparatus and related method Mar. 1, 2011
7891911 Friction tube anchor and inflation adapter for the latter Feb. 22, 2011
7887263 Ground anchor Feb. 15, 2011
7862259 Erosion control mat anchor system Jan. 4, 2011

1 2 3 4 5 6 7 8 9 10










 
 
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