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| Number | Title | Issue Date |
| 7325599 | Safety shield for rotary drilling rigs This invention relates to a novel safety shield for rotary drilling rigs. More particularly, the invention pertains to a portable, clam-shell style extendible leg safety shield which can be readily installed on the ground around the drill stem of an operational dril... | 02/05/2008 |
| 7026950 | Motor pulse controller The present invention provides a method and apparatus for generating one or more than one physically detectable physical influence changes to control or manipulate a down hole device. The present invention intercepts existing control signals to various controllers o... | 04/11/2006 |
| 6942282 | Wrap-around cab control layout for bale wagon An optimized bale wagon cab that, while maintaining the previously used cab footprint, employs a layout with a wrap around front dash. The layout provides more efficient use of the space available and better placement of everyday controls such as the transmission sh... | 09/13/2005 |
| 6698978 | Rock drilling rig A rock drilling rig has a carrier (1) provided with a service platform (7) which is arranged on a boom (6). The carrier (1) is provided with a four link mechanism (8) which is swingable in a plane perpendicular to the longitudinal direction (2) of the car... | 03/02/2004 |
| 6629572 | Operator workstation for use on a drilling rig including integrated control and information A drilling rig system including a man-machine workstation interface located in proximity to the drilling rig for providing to a single operator at substantially one location simultaneous operational access to drilling rig processes. The workstation includ... | 10/07/2003 |
| 6481510 | Directional drill for railway drilling and method of using same A directional drill for transport via rail tracks and railwheels associated with the directional drill to an operating location. The directional drill has a first frame associated with a set of pneumatic tires for movement of the directional drill onto an... | 11/19/2002 |
| 6446738 | Blasthole drill including an improved operator's cab A drill comprising a frame supported for movement over the ground in a forward propel direction and a rearward propel direction, a mast mounted on the frame in a generally vertical position, and a drill head moveable up and down the mast. The drill head i... | 09/10/2002 |
| 6095263 | Drill rig operator cab viewport A viewport is located in the floor of a drill rig operator's cab to enable a rig operator to view drilling operations. As drilling commences, the operator may view the material underlying the rig and make a visual determination that the coal seam has been... | 08/01/2000 |
| 5584611 | Roof support for underground excavations The present invention is directed to a movable load support used for supporting the roof in underground excavations. The load support includes a primary roof support carried on a base frame and an auxiliary roof support also carried on said base frame but... | 12/17/1996 |
| 5537784 | Inflatable portable refuge structure An inflatable portable refuge structure includes at least one refuge chamber having a floor, ceiling and a peripheral sidewall and an inner resealable entrance in the peripheral sidewall of the refuge chamber. An airlock chamber having a floor, ceiling an... | 07/23/1996 |
| 5248005 | Self-propelled drilling module There is provided a portable drilling module that is preferably mounted onto a self-propelled carrier. Winterizing panels enclose equipment mounted aboard the module and provide an environmentally sheltered space for workmen. In particular, the panels ful... | 09/28/1993 |
| 5125857 | Harness method for use in cold weather oil field operations and apparatus A method and apparatus is presented for facilitating the installation of electrical cables in sub-zero temperatures by heating the cables to make them more flexible and easier to work with. The cables and the workers thereon are sheltered from the element... | 06/30/1992 |
| 5109934 | Mobile drilling rig for closely spaced well centers A modular drilling apparatus having three units, each of which is fully enclosed, transportable and positionable for workover and completion of wells on 30 foot well centers without interfering with the operation of adjacent wells. The first end of the dr... | 05/05/1992 |
| 5026219 | Portable wellhead and welder protector system Wellhead and welder protector comprising an easily erected, temporary shelter designed to envelope a wellhead and the immediate surrounding area of either a production platform, well bay area or jack up rig "texas deck", for providing an optimal environme... | 06/25/1991 |
| 5007683 | Method and equipment for narrow ore mining For narrow ore mining, shrinkage stopping is used with working equipment, such as a working platform or mining rig (30), which is suspended in guide sections (38) in the roof of the mining chamber, and from which drilling and charging is carried through, ... | 04/16/1991 |
| 4889193 | Rotary drill guard assembly and method A guard assembly for encasing drive rods during below ground horizontal drilling is illustrated as including a tube positionable by an adjustable tube guide, which remains stationary during drilling, an expandable tube having a smaller diameter for telesc... | 12/26/1989 |
| 4676697 | Movable roof support and bolter system A mine roof support system includes a plurality of truss members each having first and second ends which are positioned in spaced relationships one behind another. There are vertically extensible props under each end of the truss member which include stab... | 06/30/1987 |
| 4629369 | Manipulator transporter A vehicle adapted for transporting and manipulating objects within a confined space, such as a tunnel. The vehicle comprises a pair of side frames interconnected by vertically adjustable front and rear interconnecting members that include horizontal porti... | 12/16/1986 |
| 4616725 | Suspension system for operator's compartment A suspension system for an operator's compartment of a mine vehicle. The mine vehicle is of the type having a body wherein the operator's compartment is floatingly supporting on the body adjacent one side thereof for riding on the mine floor as the vehicl... | 10/14/1986 |
| 4395163 | Mining appliance A travelling mining appliance, particularly a travelling drilling and/or bolting appliance, having a protective roof. The appliance comprises a driving station used for controlling the movement of the appliance on the ground and a separate operating stati... | 07/26/1983 |
| 4312609 | Mine roof support system A mine roof support system having sets of laterally spaced pairs of elongated support members adapted to be moved into and out of abutting relation with a mine roof. Wheel supported frames extend between and connect adjacent end portions of each pair of s... | 01/26/1982 |
| 4297057 | Pivotal roof bolter and extendable rotatable protective canopy for mining machine The invention is an improvement for a combination mining machine and roof bolting apparatus in which the roof bolting mechanism is pivotable and can be used to install roof bolts in more than one location without moving the mining machine. The improvement... | 10/27/1981 |
| 4290490 | Roof bolting device A roof drilling and bolting device comprising a mobile chassis and two cabs mounted to the front of the chassis for independent transverse (outward to the side) movement. The cabs have floors and protective canopies. Extensible hydraulic devices position ... | 09/22/1981 |
| 4285215 | Rotary table and kelly guard A kelly bushing guard which encapsulates the rotating parts of a rotary table of a rotary drilling rig. The guard includes a shoe which rests on the fixed floor area of the table. The rotating center is located inwardly of the shoe. A bearing member has a... | 08/25/1981 |
| 4275800 | Vehicle with variable height control station A vehicle typified by a front-end loader is provided with a driver's cab that pivots up and down along a long pivot arm. This gives both high elevation for better visibility and low profile, e.g. for travelling or getting into low overhead places. The lon... | 06/30/1981 |
| 4256186 | Roof drilling and bolting apparatus An operator cab and drilling assembly for a roof drilling and bolting device. The cab comprises a floor and a canopy having extensible hydraulic means for adjusting the distance between the cab floor and at least the front edge of the canopy. A horizontal... | 03/17/1981 |
| 4254994 | Method of an apparatus for gaining access to an underground chamber Method and apparatus for gaining access to an underground chamber is disclosed to utilize a pressurized pipe casing which defines a conduit for introducing compressed air to a drill, which drill is utilized to bore a rescue hole to an area of entrapped mi... | 03/10/1981 |
| 4252475 | Vehicle mounted temporary roof support A temporary roof support for mounting to a mining vehicle comprising a boom pivotally mounted to the vehicle and positioned in front thereof for rotation in a vertical plane and an extensible standard pivotally mounted to the front of said boom. An extens... | 02/24/1981 |
| 4250975 | Cab mounting for mining machine A system for mounting two operator cabs to a vehicle chassis for transverse extension. At least one large tube is mounted to the vehicle with its axis pointed in the direction of the operator cab movement. Two smaller tubes of different diameters telescop... | 02/17/1981 |
| 4210213 | Kelly bushing guard A Kelly Bushing Guard is comprised of an outer protective guarding shell which coverably mounts on the kelly bushing portion of a drilling apparatus. The outer shell is comprised of an upper smaller shell section which is mountable on the kelly bushing it... | 07/01/1980 |
| 4190385 | Protective canopy and temporary roof support for mining machinery An upright hydraulic jack with a mine roof-engaging pad on its upper end and a skid shoe on its lower end is connected to one side of an elevatable canopy over an operator station.... | 02/26/1980 |
| 4188069 | Mining machine having walk-on platform on cutter arm In a cutting machine having a cutter arm which is mounted at one end for universal pivotal movement and which carries at its free end a cutting tool: a walk-on platform covering at least part of the cutter arm, said platform being box-shaped in cross-sect... | 02/12/1980 |
| 4165738 | Life support system for drilling rigs A portable vehicle-carried emergency breathing system including a plurality of bottles containing pressurized breathing gas and associated interconnected piping. An easily disconnectable line leads from the trailer to a manifold secured beneath the platfo... | 08/28/1979 |
| 4146106 | Operator's station and protective canopy for mine vehicle An operator's station on a sub-chassis is supported for vertical movement on a mine car chassis. A vertically adjustable canopy is supported on the sub-chassis.... | 03/27/1979 |
| 4116287 | Well drilling assembly and method A well drilling assembly including a platform adapted to support a person while drilling a well therebeneath through an opening in the platform includes a clamp assembly carried by the platform and mounted for rotation with respect thereto. The clamp asse... | 09/26/1978 |
| 4108253 | Elevatable operator's compartment having a drill steel guide for a mine drilling machine A drill boom is connected at its rear end portion to a mobile body and supports at its front end portion a drill pot for rotating a drill steel. The drill boom raises the drill pot along a predetermined straight-line path to advance the rotating drill ste... | 08/22/1978 |
| 4079792 | Mine roof support for a mobile drilling machine A horizontal deck extends forwardly from a self-propelled body portion. An elevating mechanism pivotally connects the deck to the body portion for vertical movement of the deck into and out of position on the mine floor. A mast-type roof drilling unit is ... | 03/21/1978 |
| 4065167 | Safety enclosure for mining machines A safety enclosure for use with underground mining machinery for protecting the operator of the machinery from overhead and lateral falls and the like. The safety enclosure comprises a cage-like structure of generally rectangular cross section for receivi... | 12/27/1977 |
| 4050259 | Safety shield and temporary roof support A safety shield attachment for protecting the operator of mine machines has a mounting plate for attachment to the machine, a platform pivoted to the mounting plate, and a canopy supported by hydraulic jacks from the mounting plate, the platform, and the ... | 09/27/1977 |
| 4043150 | Safety sleeve A safety sleeve shields the working members of a well tool wherein two shoulders come together to eliminate the possibility of workmen loosing a finger between the two shoulders.... | 08/23/1977 |
