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| Number | Title | Issue Date |
| 8172005 | Cement silo structure for mining machine The invention relates to a cement silo structure for a mining machine comprising a mixer, a cement silo for cement and a feed apparatus for feeding cement to the mixer. The cement silo is a separate unit that may be transferred by means of transfer means between a u... | 05/08/2012 |
| 8002048 | Drilling implement and method for operating a drilling implement The invention relates to a drilling implement with a derrick, a drill drive for driving a drill rod guided on the derrick and a gear, which is placed between the drill drive and drill rod for transmission purposes. According to the invention, for inverting the gear ... | 08/23/2011 |
| 7828075 | Remote tooling An apparatus for manipulating a target includes a base which may be secured to a trolley and a hydraulic arm mounted on the base arranged for being controlled remotely by a user. The arm includes at an end distal from the base a tool coupling which is arranged to re... | 11/09/2010 |
| 7640998 | Excavation apparatus An excavation apparatus having a mast, a sled slidably mounted thereon, a sled driving system for downcrowding and upcrowding the sled along the mast, and non-rotatable but extendable kelly sections that prevent slippage of the sled on the mast. An outer kelly secti... | 01/05/2010 |
| 7568530 | Ground working implement The invention relates to a ground working implement, particularly for underground working, having a slide displaceable relative to a base by means of a lifting cylinder arrangement. It is on the one hand connected to the slide and on the other to the base and has tw... | 08/04/2009 |
| 7410008 | Ground rod driver A ground rod driver that uses an industry standard connecting plate to physically attach the driver to Skid Steer type equipment. The driver has a hydraulic, impact driving hammer connected to an alignment beam that enables vertical movement of the hammer. Operation... | 08/12/2008 |
| 7387173 | Pile driver A pile driver including an apparatus for allowing relative movement between a hammer and a boom of an excavator. The apparatus includes a mounting plate mounted to the boom that interfits with and is slidable with respect to a frame rail mounted to the hammer. In op... | 06/17/2008 |
| 7387172 | Modular self-propelled drilling apparatus An articulated, modular, track-mounted, self-propelled, remote-controlled drilling apparatus is demountable into several heli-transportable components, including a drilling module and a drill support module, plus separate hydraulically-driven track carriages on whic... | 06/17/2008 |
| 7331405 | Powered hammer device The present invention relates to a powered hammer device including: a hammer with at least a first and a second projection; at least one translation dog adapted to engage with said projections, and a drive mechanism capable of moving the translation dog substantiall... | 02/19/2008 |
| 7300238 | Multi-function winch for interchangeably attaching to both the front and the back of an all-terrain vehicle A multi-function winch for interchangeably attaching to either the front of an ATV or the back of the ATV. The multi-function winch includes a front mounting assembly, a back mounting assembly, a column assembly, an elbow assembly, and a winch assembly. The front mo... | 11/27/2007 |
| 7296636 | Apparatus for driving fence posts and the like A post driver unit includes a frame having a quick connect attachment to a front end loader vehicle in place of a bucket or for connecting the unit to a tractor using a three point hitch. The frame supports a vertical mast for rotation on a vertical axis by fluid ac... | 11/20/2007 |
| 7237706 | Drop hammer Embodiments of the present invention pertain to a drop hammer comprising a load, an actuator connected to the load, and a fluid circuit that is connected to the actuator and is connectable to a fluid source, such as a source of hydraulic power. The fluid circuit is ... | 07/03/2007 |
| 7201552 | Vehicle game lift A vehicle game lift adapted for releasable attachment to a trailer hitch mounted on a rear of a vehicle. The game lift is used for suspending a killed animal above a ground surface. The lift includes an inverted “L” shaped post having a vertical post member and ... | 04/10/2007 |
| 7152694 | Post driver A post driver is powered by a pair of hydraulic cylinders, one on either side of the hammer to provide a balanced lifting force to the hammer. A post retaining cap is formed to provide a recess for the post. The orientation of the driver may be controlled about a ho... | 12/26/2006 |
| 7100709 | Feed table pivot pin constraining device A restraining arrangement for limiting the separation of a feed table having a pivot pin and a positioner block of a mobile track drill. The restraining arrangement includes a first constraint device positioned on the positioner block and a second constraint device ... | 09/05/2006 |
| 7066682 | Vehicles and methods for soil compaction and loading Vehicles and methods provide for a single vehicle that has both loading ability to grade and otherwise move dirt while also having the ability to compact soil. One or more compaction wheels are included on a vehicle such as a skid steer loader. Wiper bars are also i... | 06/27/2006 |
| 7063172 | Grounding rod driving device A driving assembly includes a driving device that is slidable along one or more vertical supports as the driving device drives a driving member into an object. The driving assembly may be suspended from a crane or other overhead support, whereby the vertical support... | 06/20/2006 |
| 7055844 | Trailer hitch storage apparatus A trailer hitch storage apparatus designed to carry a removable trailer hitch used in receiver type hitches. The apparatus consists of a frame comprising a mounting plate, at least one bracket for supporting the trailer hitch extending from the mounting plate, a cen... | 06/06/2006 |
| 7036606 | Quick-detach vehicle-mounted auger driver The present invention provides a device useful for boring holes into the earth, and is especially useful for drilling holes in which fence posts are to be placed. A device according to the invention is completely self-powered, having its own on-board engine which su... | 05/02/2006 |
| 7033109 | Ground anchor drainage apparatus and a method of installation of ground drainage apparatus The present invention relates to ground drainage apparatus comprising a ground anchor (13) and a length of conduit (10) providing a drainage channel for water. The length of conduit (10) is secured to the ground anchor (13) in such a way ... | 04/25/2006 |
| 7029072 | Modified rumble strip cutter A rumble strip cutting machine having a drum that can be shifted from one side of the machine to the other. The machine includes a piston wheel that imparts an up and down motion to the frame so that rumble strips can be cut at desired intervals as the machine is dr... | 04/18/2006 |
| 6981559 | Rock-bolting apparatus and method An articulated boom arm for a rock boring machine, comprising a first kinked member having a drill guide at one end and a base pivot at the other end, and a pair of pivoted links. One of said links having a first end pivoted at said base pivot, the other of the link... | 01/03/2006 |
| 6971457 | Moldable fabric Apparatus for boring a hole from an inside of a casing outwardly at an angle relative to a longitudinal axis of the casing comprises a drill shoe having a longitudinal axis and being positionable in the casing, the shoe having first and second passageways which conv... | 12/06/2005 |
| 6962030 | Method and apparatus for interconnected, rolling rig and oilfield building(s) A conventional land drilling rig is interconnected to the substructure for an oilfield pad location. The interconnected drilling rig is placed on top of matting. The matting has embedded rollers to facilitate movement of the drilling rig as a “convoy” across the... | 11/08/2005 |
| 6945336 | Rotational float for rotating equipment A rotational float system (44) that is meant to be used with existing side load protection systems and that may be selectively operated to permit a digger derrick rotation motor (20) or other rotatable equipment to freely rotate toward a side load to e... | 09/20/2005 |
| 6915943 | Tetherless internal line-up unit for pipeline welding A line-up clamp unit is powered by a diesel engine which drives a hydraulic pump for operating hydraulic equipment in the unit. The unit includes a line-up clamp which has front shoes, rear shoes and expanding copper back-up tiles. Drive wheels are deployed by a hyd... | 07/12/2005 |
| 6889779 | Auger/vehicle interface jig An interface jig for removably securing a portable auger to a vehicle includes a carriage guide assembly, a sliding carriage assembly and a receiver assembly. The carriage guide assembly includes a vertical support having an upper portion and a bottom portion. A hit... | 05/10/2005 |
| 6871710 | Rotational float for rotating equipment A rotational float system (44) that is meant to be used with existing side load protection systems and that may be selectively operated to permit a digger derrick rotation motor (20) or other rotatable equipment to freely rotate toward a side load to e... | 03/29/2005 |
| 6868923 | Portable apparatus and method for assisting in the removal and emplacement of pipe strings in boreholes A portable pipe installation/removal support apparatus for assisting in the installation/removal of a series of connectable pipe strings from a ground-level borehole. The support apparatus has a base, an upright extending from the base, and, in an exemplary embodime... | 03/22/2005 |
| 6796747 | Apparatus for installing a silt fence and support posts A tractor carries a vertically adjustable frame supporting a horizontal shaft for a supply roll of silt fence fabric. A vertical plow blade is mounted on the frame, and a vertical fin is supported directly behind the plow blade by a horizontal fabric guide bar attac... | 09/28/2004 |
| 6793024 | Rock drilling rig A rock drilling rig has a carrier (1) provided with a service platform (7) arranged on a service boom (6). The service boom has a number of relatively movable boom sections (33, 36). The service platform (7) is connected to the ser... | 09/21/2004 |
| 6736225 | Guide for attachment to a roof bolter to allow for core drilling The present disclosure provides a coring guide for converting a mine roof bolter into apparatus suitable for guiding a coring rod, or drill, into a mine roof, as well as a method for obtaining a geological core from the mine roof using the guide. The guide includes ... | 05/18/2004 |
| 6725946 | Excavation apparatus An excavation apparatus especially useful when mounted on backhoes and other lighter vehicles used in the construction industry. The excavation apparatus does not require a winch for letting out and retracting its cable nor a reel for storing retracted cable which r... | 04/27/2004 |
| 6715563 | Method and apparatus for vibratory kinetic energy generation and applications thereof A device and method for performing a task employing vibration of a tool. The device includes a housing containing at least one off-center weight, and the off-center weight is coupled to a motor and configured to rotate or revolve to vibrate the housing. The housing ... | 04/06/2004 |
| 6715564 | Hydraulic drilling rig A drilling rig (10) having a boom (12) supporting a leader (36). The leader (36) is pivotally attached to the boom and is moveable between a generally upright orientation and a generally horizontal orientation for the purposes of transpor... | 04/06/2004 |
| 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 |
| 6634436 | Mobile land drilling apparatus and method A mobile land rig and method are disclosed, for the transport, assembly, and disassembly of oil drilling equipment. A mobile telescoping substructure box includes at least one axle and coupled wheels lockable and releasable for engaging the ground and bei... | 10/21/2003 |
| 6609576 | Method and apparatus for vibratory kinetic energy generation and applications thereof A device and method for performing a task employing vibration of a tool. The device includes a housing containing at least one off-center weight, and the off-center weight is coupled to a motor and configured to rotate or revolve to vibrate the housing. T... | 08/26/2003 |
| 6591919 | Automated post driver A post driving apparatus includes a chassis having a longitudinal axis and a frame carried by the chassis. The frame includes an upper support member having an axis of elongation substantially perpendicular to the longitudinal axis of the chassis. A post ... | 07/15/2003 |
| 6517294 | Apparatus for installing a silt fence A tractor carries a vertically adjustable frame supporting a horizontal shaft for a supply roll of silt fence fabric. A flat vertical plow blade is mounted on the frame and has a front surface and a rear surface. A thinner flat vertical fin is supported d... | 02/11/2003 |
