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2023
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Invention
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Dolly for rockbolt.
A rock bolt dolly for connecting a self-drilling rock bolt to a rock bolting... |
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Invention
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Dolly for rockbolt. A rock bolt dolly (100) for connecting a self-drilling rock bolt (10) to a ro... |
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Invention
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Systems for dynamic testing of a ground support element. System (10) for dynamic testing of a gro... |
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2022
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Invention
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Dynamic rockbolt. A friction bolt (10) includes a first tube (12) having an internal diameter and... |
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Invention
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High capacity rock bolt.
A friction bolt (10) includes a first generally circular tube (12) havi... |
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Invention
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High capacity rock bolt. A friction bolt (10) includes a first generally circular tube (12) havin... |
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2021
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Invention
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Pumpable crib bag. A pumpable crib bag may include a body defining a longitudinal axis, at least ... |
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Invention
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Tunnel support system and method. A tunnel reinforcement system having a plurality of structural ... |
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2020
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Invention
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Adjustable lattice girder. An adjustable lattice girder includes a first lattice girder portion h... |
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Invention
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Mine bolt bending system. A mine bolt bending system includes a frame comprising a plurality of b... |
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P/S
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Metal mine roof bolts |
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Invention
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End fitting for a cable bolt assembly.
A cable bolt assembly is disclosed comprising a cable bol... |
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Invention
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End fitting for a cable bolt assembly. A cable bolt assembly is disclosed comprising a cable bolt... |
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Invention
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Mine roof support, pre-installation assembly for same, and method of installation. A mine roof su... |
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P/S
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Metal bolts for mine roofs |
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Invention
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Resin injection dolly. b) for coupling the dolly to the output shaft of the rock bolting apparatu... |
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Invention
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Resin injection dolly. A rock bolt dolly (10) which connects a self-drilling rock bolt (300), to ... |
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Invention
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Underground support system and method. An underground support system having an underground reinfo... |
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2019
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Invention
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Underground support. A underground support includes a first row of panels, and a second row of pa... |
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P/S
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Employment training, recruiting, staffing, and hiring for others |
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P/S
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Metal underground roof supports for use in the underground mining industry |
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P/S
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Metal mine roof supports, namely, posts being primarily of metal with a cementitious core |
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P/S
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Employment recruiting, staffing, and hiring for others |
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Invention
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System for re-tensioning mine roof channels. A system for re-tensioning mine roof channels includ... |
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2018
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P/S
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Mine roof and rib support hardware made primarily of metal, namely, mine roof bolts, cable bolts,... |
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2017
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Invention
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Corrosion resistant expandable bolt. Rock bolts comprising an expandable tube having a longitudin... |
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Invention
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Corrosion resistant expandable bolt.
Rock bolts comprising an expandable tube having a longitudi... |
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Invention
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Yieldable bearing block. A mine roof bolting system including a bearing member having a first mem... |
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Invention
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Rock bolt. a) and expander means (30) for expanding the diameter of the tube at least one locatio... |
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Invention
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Rock bolt. A rock bolt (10) is provided for frictionally engaging with the internal surface of a ... |
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Invention
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Slotted tubular anchor. A mine bolt includes an elongated body having a first end and a second en... |
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Invention
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Corrosion resistant yieldable bolt. A mine bolt includes an elongated body having a first end and... |
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P/S
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Plastic coated metal mine roof bolts. |
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Invention
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Highwall mining equipment retrieval and extraction apparatus.
An extraction and retrieval appara... |
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2016
|
Invention
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Overcast system for mine ventilation.
An overcast system to block an intersection between two or... |
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Invention
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Fitting for a rock bolt and rock bolt assemblies including same. Abstract A fitting for a rock bo... |
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Invention
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Rib strap. A mine rib support includes first and second elongate members each having a first end ... |
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Invention
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Point anchored friction bolt. A rock bolt (10) is provide for frictionally engaging with the inte... |
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Invention
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Manufacture of cable bolts.
A cable bolt comprising a plurality of flexible steel filaments form... |
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2015
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Invention
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Apparatus for testing impact resistant lagging.
A testing apparatus includes a frame having a to... |
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Invention
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Drive assembly. The disclosure relates generally to drive assemblies for rock bolts and more spec... |
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Invention
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End coupling for a rock bolt. An end coupling for a rock bolt having a shaft having an external t... |
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P/S
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Mine roof bolts for underground construction |
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P/S
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Mine roof bolts primarily of metal for underground
construction. |
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Invention
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Anti-friction washer system.
Included is an anti-friction washer system comprising two steel was... |
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Invention
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Retainment wall for underground mine and method of construction. A retainment wall for undergroun... |
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P/S
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Metal cable bolts for use in coal and hard rock mining and tunneling |
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P/S
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Metal mine roof bolts for use in underground construction |
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Invention
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Pumpable mine ventilation structure. A pumpable mine ventilation stopping wall structure comprise... |
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Invention
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Expandable bolt with shielded tip.
The present invention includes a rock bolt having a longitudi... |
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2013
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P/S
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Yieldable high capacity metal support props for use in mine roof control |
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P/S
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High capacity metal support props for use in mine roof control |
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2012
|
Invention
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Expandable bolt with thrust element.
The present invention includes a rock bolt having a longitu... |
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P/S
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Tubular supports primarily of metal with a cementitious filler for use in mine roof control |
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2011
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P/S
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Cementatious protective coating for roofs, walls, ribs, and other exposed surfaces in the mining ... |
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P/S
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Tunnel roof and rib supports made of metal for the mining and construction industries Non-metal t... |
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2010
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P/S
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Pumpable crib system comprising a pumpable element, namely, hydraulic pumps, pneumatic pumps and ... |
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P/S
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Non-metal seal, namely, a mine ventilation seal comprising a low density foamed cement and a cont... |
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P/S
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Mine roof and rib support hardware made primarily of metal,
namely, mine roof bolts, cable bolts... |
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2009
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P/S
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Sealing and insulating materials for industrial mining use, namely, sealants, insulating resins, ... |
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P/S
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Metal safety channels used as tunnel roof and rib support for the mining and construction industries |
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P/S
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Engineering |
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P/S
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Engineering services, namely, analyzing geologic stress and matter to develop structural support ... |
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2007
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P/S
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Metal nut and bolt system consisting of a torque tension nut and mine roof bolt for underground c... |
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2006
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P/S
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Metal mine roof and rib plates |
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P/S
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Mine roof bolts primarily of metal.
Mine roof bolts. |
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P/S
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A tensionable cable bolt for mining and underground construction.
Tensionable cable primarily met... |
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P/S
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Cable truss for mining and underground construction.
Metal cable roof truss for mining and underg... |
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2005
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P/S
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Metal cable roof truss for mining and underground construction |
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P/S
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tensionable cable primarily metal bolt for mining and underground construction |
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P/S
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Metal nuts, namely, torque tension nut for use with mine roof bolt for mining and underground con... |
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P/S
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Mine roof bolts. |
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P/S
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Nuts for mine roof bolts.
Nuts for mine roof bolts, primarily of metal. |
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P/S
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Steel in the form of sheets, plates, coils and process coils Custom steel processing and fabricat... |
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2003
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P/S
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underground mine roof support post, comprised of metal casing around concrete core |
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1998
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P/S
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metal mine roof bolts |
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1997
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P/S
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Friction rock stabilizers for mining and construction. |
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P/S
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friction rock stabilizers for mining and construction |
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1995
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P/S
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Mine roof supports or props. |
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P/S
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Non-metal mine roof supports or props namely posts. |
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P/S
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non-metal mine roof supports or props, namely posts |
