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| Number | Title | Issue Date |
| 7748471 | Mobile self-erecting directional drilling rig apparatus An apparatus and method for horizontal drilling are provided. The apparatus has: (A) a thrust frame; (B) a carriage on the thrust frame; (C) a wheel truck, wherein a rearward portion of the thrust frame can be supported in a lowered position on the wheel truck; (D) ... | 07/06/2010 |
| 7393156 | Construction apparatus for planting a series of vertical posts A construction apparatus having an arrangement for controlling guidance of a frame thereof along a predetermined path, e.g., a slip-form paving apparatus, has an arrangement for selectively digging vertical bores in the ground surface at spacings along the predeterm... | 07/01/2008 |
| 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 |
| 7380611 | Rock drilling machine and rock drilling system A rock drilling machine (1) having, on a machine housing (2), a first attachment element on a first attachment side (13) for its fastening to a slide member which is movable back and forth along a feed beam, the attachment element having a conta... | 06/03/2008 |
| 7357616 | Method and apparatus for transporting oil rig An oil rig capable of being at least partially disassembled to form at least two portions, such as a top half and bottom half, and an associated structure for transport. An oil rig top portion may be loaded onto a trailer for transport separate from a bottom portion... | 04/15/2008 |
| 7308953 | Mobile drilling rig An embodied mobile drilling rig is made of three sections, two substructures and a mast section, which are easily transported and installed at a drilling site. Each substructure includes a mast starting section; a floor side box connected to the mast starting sectio... | 12/18/2007 |
| 7290621 | Integrated mast and top drive for drilling rig A process to lower or raise a drilling rig for transportation wherein the drilling rig includes a mast and a top drive. The process to lower includes the steps of moving the top drive within the mast with a vertical guide and torque reaction mechanism to a locked po... | 11/06/2007 |
| 7284624 | Drill gripping device and method A drill gripping device is shown with an inexpensive and compact design. In one embodiment, an inexpensive and more compact design is possible through the use of a single actuator with a single gripping portion of a drill gripping device. Embodiments of drill grippi... | 10/23/2007 |
| 7281582 | Double swivel apparatus and method A double swivel for use with a top drive power unit supported for connection with a well string in a well bore to selectively impart longitudinal and/or rotational movement to the well string, a feeder for supplying a pumpable substance such as cement and the like f... | 10/16/2007 |
| 7282192 | Mixed metal oxide containing sulfur The invention relates to a composition of matter comprising at least one metal from Group 3, at least one metal from Group 4, sulfur and oxygen, particularly useful as a catalyst for ether decomposition to alkanols and alkenes. ... | 10/16/2007 |
| 7278498 | Rotatable support for inclinable masts of drilling machines The rotatable support for inclinable masts of drilling machines includes a connecting element connected to the lifting mechanism of a drilling machine, and including two essentially parallel planar elements having an essentially triangular or trapezoidal shape, on t... | 10/09/2007 |
| 7255180 | Modular drill system requiring limited field assembly and limited equipment support A modular transfigurable drilling rig comprises one or more transfigurable containers with drilling equipment to form an operational drilling rig. The transfigurable containers include a first and second load bearing support and a load bearing bottom disposed betwee... | 08/14/2007 |
| 7255016 | Soil sampler apparatus and method An apparatus removes soil samples at intervals over a field of interest. The apparatus comprises a sampling assembly (60) that rotates on a track (32) riding on a plurality of idler wheels (29, 31). A probe (66) extends and retracts under... | 08/14/2007 |
| 7249629 | Multi-function well servicing vehicle A mobile vehicle for inserting jointed pipe into a well, having a derrick and hydraulic rams to raise and lower same, adapted to conduct additional operations which will allow a well to be completed by this vehicle alone. Three winches are provided, a first to raise... | 07/31/2007 |
| 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 |
| 7198115 | Lead alignment attachment A construction equipment attachment for driving an object, such as a timber piles, steel piles, pipe piles, steel sheet piles, h-beam and the like, is provided. In one embodiment, the attachment includes a hammer slidably coupled to a lead, a lead mounting assembly ... | 04/03/2007 |
| 7178682 | Traveling crane The invention pertains to a traveling crane consisting of a superstructure that can be turned about an upright axis and carries a crane jib with hoisting means, a truck with a tracklaying gear that carries the superstructure and a supporting device with several outr... | 02/20/2007 |
| 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 |
| 7134562 | Trailer-mounted vibratory apparatus A trailer-mounted crane apparatus includes a trailer supported from a ground surface on at least two wheels. A hydraulically operated crane arm is mounted to the trailer and is extendable outwardly. A crane hydraulic power unit is mounted to the trailer and supplies... | 11/14/2006 |
| 7111689 | Coiled tubing injector deployment assembly and method An apparatus for transporting an injector assembly, such as an injector and a BOP, for coiled tubing to a wellhead may have a platform, such as a trailer, having a shaft attached thereto by at least one bracket. Pivotally on the bracket may be a boom, which may have... | 09/26/2006 |
| 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 |
| 7102037 | Selective decomposition of ethers A process for selectively converting a dialkyl ether to the corresponding alkene and alkanol comprises contacting a feed containing at least one dialkyl ether with a catalyst comprising a mixed metal oxide which comprises at least one metal selected from Group 4 of ... | 09/05/2006 |
| 7096963 | Swing arm crane and method An apparatus for lifting and moving a load. The apparatus comprises a lift frame having a first and second vertical member that are connected so that a working window area is defined. The apparatus further comprises a rotary actuator mounted on the first vertical me... | 08/29/2006 |
| 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 |
| 7055630 | Erection of signs using a single vehicle A truck mounted crane is equipped with an earth boring bit apparatus which can be attached to the end of a crane boom to excavate holes prior to the erection of signs or other elevated pole mounted structures. The earth boring bit apparatus includes a earth boring b... | 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 |
| 7032686 | Drilling and bolting head for a bolting machine The drilling and bolting head (7) of compact structure, is designed for use in mine galleries of small height. It comprises: a transverse table (8) connected to the carrying vehicle, preferably with a device (9 to 12) for lifting this tab... | 04/25/2006 |
| 7004262 | Electric fence post installer An electric fence post installer comprising a wheeled frame having a first upstanding support extending upwardly therefrom. A generally horizontally disposed boom arm is rotatably mounted on the upper end of the first support and has a carousel support secured to th... | 02/28/2006 |
| 6994171 | Two section mast with self-aligning connections A method of self-aligning connections for a two section mast. The method includes the steps of transporting the elongated bottom mast section to a guide frame adjacent to a well site, the bottom mast section having a pair of front legs and a pair of rear legs. An el... | 02/07/2006 |
| 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 |
| 6966727 | Apparatus for and method of installing segmented concrete pilings in new construction An apparatus for and method of installing a pile in unstable soil before a building foundation is installed on that unstable soil. The apparatus includes a tractor; an arm pivotally attached to tractors; a mechanism for moving the arm between raised and lowered posi... | 11/22/2005 |
| 6951257 | Drilling mast with movable and fixed unscrewing vice The invention is a new drill for making micropiles, equipped with a mast on which the head-carrying trolley slides and having at the bottom of the mast two pairs of vices, a lower fixed vice and a upper unscrewing vice. Besides being able to rotate around the drilli... | 10/04/2005 |
| 6938703 | 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 magazine is... | 09/06/2005 |
| 6926259 | Hoist system The invention is a hoist system for use on a drilling rig made of a tubular mast with a front, back, and top side, a splittable block connected to the mast top side, a trolley with a trolley top and bottom side, wherein the trolley's top side is connected to the spl... | 08/09/2005 |
| 6913097 | Transportation, storage, and installation system for rig utilities A transportation, storage and installation device for rig utilities. The device includes a telescoping bridge having an outer frame assembly with an opening therethrough supporting a plurality of cables. The telescoping bridge also includes an inner beam assembly re... | 07/05/2005 |
| 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 |
| 6860337 | Integrated mast and top drive for drilling rig A process to lower or raise a drilling rig for transportation wherein the drilling rig includes a mast and a top drive. The process to lower includes the steps of moving the top drive within the mast with a vertical guide and torque reaction mechanism to a locked po... | 03/01/2005 |
| 6848515 | Modular drilling rig substructure A process to transport and assemble a drilling or workover rig substructure. The process includes the steps of transporting a driller side substructure section and an off driller side substructure section to a rig site so that the sections are spaced from and parall... | 02/01/2005 |
| 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 |
