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| Number | Title | Issue Date |
| 7987923 | Valve tester suspension assembly A valve tester suspension assembly for allowing one person to perform the tasks necessary to test underground valves includes an articulated arm attached to a mobile base such as a vehicle. The articulated arm may be biased such that the biasing assists in supportin... | 08/02/2011 |
| 7870911 | Pile driver A pile driver includes a leader rotation/holding mechanism that can firmly hold a leader in a rotatable state and also reliably rotate the leader using a general-purpose, inexpensive hydraulic motor by keeping the hydraulic motor from action of a bending moment from... | 01/18/2011 |
| 7828076 | Valve tester suspension assembly A valve tester suspension assembly for allowing one person to perform the tasks necessary to test underground valves includes an articulated arm attached to a mobile base such as a vehicle. The articulated arm may be biased such that the biasing assists in supportin... | 11/09/2010 |
| 7757780 | Excavating method and apparatus An excavation apparatus includes a support structure mountable to a truck bed, the support structure defining a longitudinal direction extending front-to-back of the truck bed, and a lateral direction extending side-to-side of the truck bed. The apparatus further in... | 07/20/2010 |
| 7455124 | Valve tester suspension assembly A valve tester suspension assembly for allowing one person to perform the tasks necessary to test underground valves includes an articulated arm attached to a mobile base such as a vehicle. The articulated arm may be biased such that the biasing assists in supportin... | 11/25/2008 |
| 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 |
| 7328757 | All terrain vehicle powered mobile drill A method includes powering a drill motor with power derived from an all terrain vehicle (ATV) engine and controlling the drill motor. An apparatus includes a ATV with a power takeoff configured to deliver power from an ATV engine. A drill mast is moveably coupled to... | 02/12/2008 |
| 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 |
| 7226058 | Sled for transporting a power auger vertically across ice A sled for transporting a power auger across ice in a vertical position having a cradle for holding the ice auger in a vertical position attached to a center stand with adjustable height. The center stand is attached to a folding stand that is attached to two skis. ... | 06/05/2007 |
| 7210543 | Reversible power takeoff driven post hole digger A reversible post hole digger apparatus powered by a power takeoff shaft includes a transmission providing a reverse gear and a forward gear in a single housing. The apparatus has a power head disposed between a shaft connected to the power takeoff and an output sha... | 05/01/2007 |
| 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 |
| 7174652 | Performing measurement or calibration on positioning machines A machine having a pair of spaced structures, a plurality of ball and socket joints spaced apart on each structure, and six struts interconnecting the structures. Each strut engages with a respective ball and socket joint on each of the structures, and defines a var... | 02/13/2007 |
| 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 |
| 7124838 | Gripping assembly for impact hammer A gripping assembly mounted on an impact hammer having a longitudinally extending impact axis, the gripping assembly including a pair of opposed elongate gripping arms, having gripping end portions which may be extended and swung toward each other to grip material i... | 10/24/2006 |
| 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 |
| 7110982 | Secure access method and system A secure electronic content system and method is provided. The system includes a controller including an interface component, a host system coupled to the controller, the host system configured to present content under predetermined conditions, the host system opera... | 09/19/2006 |
| 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 |
| 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 |
| 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 |
| 6681470 | Method of mounting an auger to a motor vehicle An auger mounting assembly includes a slide bearing assembly and a mounting plate. The mounting plate is attached to a motor vehicle such as an all-terrain vehicle. The slide bearing assembly is pivotally retained by the mounting plate. An auger mounting ... | 01/27/2004 |
| 6615932 | Arrangement in rock drilling apparatus Arrangement for replacing a drilling component in a rock drilling apparatus, which arrangement comprises a component magazine for storing replaceable components required in drilling and means for driving the drilling unit to a predefined position and loca... | 09/09/2003 |
| 6604586 | Drilling apparatus A drilling apparatus includes a platform for positioning at a drilling site) a mast pivotally mounted on the platform) a rod clamp on one end of the mast for clamping a drill rod) a drill head slidably mounted on the mast for driving the drill rod during ... | 08/12/2003 |
| 6598683 | Portable injection-casing driver A driver tool provides an apparatus and method for installing shaft objects such as casing, pipes, poles, bars, rods, piles or tubes into the ground or other surrounding media. The driver tool has a steel tower on which is mounted a pneumatic or hydraulic... | 07/29/2003 |
| 6533045 | Portable drilling rig A portable drilling rig 20 for drilling water wells or installing geothermal pipe systems in the ground 22. The portable drilling rig 20 is removably mounted on a truck bed 24. The single I beam mast 30 of the rig 20 pivots to a horizontal position 32 on ... | 03/18/2003 |
| 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 |
| 6374927 | Pipe retention and cartridge locking system for a horizontal directional drill A dual purpose bracket assembly for a horizontal directional drill that retains pipes within a cartridge when the cartridge is detached from the drill and locks the cartridge to the drill when it is attached. The bracket assembly includes side plates that... | 04/23/2002 |
| 6179068 | Directional drilling apparatus A directional drilling apparatus can be used in confined spaces or utilized in locations close to obstacles such as fences, houses, buildings, etc. A drill head is pushed forward or advanced. The drill head is of a design which provides a large amount of ... | 01/30/2001 |
| 6076615 | Multi-linked working boom for working machine The present invention is directed to a multi-linked working boom for a working machine which carries at the other end a hydraulically maneuverable and hydraulically driven working equipment, where the boom comprises a first pair of link arms which is conn... | 06/20/2000 |
| 6056065 | Motorized auger A motorized auger comprising a frame with a pair of handles secured to the frame. Each handle having a proximal and a distal end thereto and a pair of downwardly depending support elements. A first wheel is secured to the distal ends of the pair of handle... | 05/02/2000 |
| 6003598 | Mobile multi-function rig A mobile hybrid rig adapted to run coiled tubing (CT) and wireline equipment for oil and gas wells can also accommodate conventional joined pipe for drilling of shallow wells. The rig incorporates: a chassis and power unit for rig transport; an adjustable... | 12/21/1999 |
| 5836402 | Auger-holder An auger-holder designed for transporting, stabilizing, and operating an auger from a vehicle, preferably an all-terrain vehicle (ATV). The auger-holder includes a primary frame, a secondary frame, an attachment device for attaching the primary frame to a... | 11/17/1998 |
| 5810101 | Horizontal drilling machine A digger from a unit for digging utility pole holes is encased in an elongated box. The box has an attachment thereon for attachment to the carrying arm of a backhoe in place of the backhoe bucket. A 90° attachment provides versatility. The digger is thu... | 09/22/1998 |
| 5709276 | Multi-position directional drill A horizontal directional boring machine pivotally mounted to a tractor about a vertical axis of rotation positioned over a common entry point into the ground which permits multiple direction bores which radiate from said common entry point all with a sing... | 01/20/1998 |
| 5697457 | No load derrick for drilling rig A mobile drilling rig has a rectangular tubular derrick or mast normally transported on the truck in a generally horizontal attitude. The mast is pivoted to vertical at the drilling site. A drill rotating power head is connected to a pull-down system loca... | 12/16/1997 |
| 5690184 | Rock drilling apparatus A rock drilling apparatus includes a frame having a front end, a guide rod supported on the front end of the frame, a rotary rod extending parallel to the guide rod and supported on the frame for rotation about its own axis and longitudinal movement beyon... | 11/25/1997 |
| 5662176 | Truck mounted work implement A supporting frame mounting a work implement, such as a post hole digger, is disclosed wherein the supporting frame is connected to a standard snow plow mount at the front of a truck. The supporting frame includes a fixed base member affixed to the snow p... | 09/02/1997 |
| 5638911 | Drilling apparatus and support mount assembly for use therein A support mount assembly for use in a drilling apparatus comprises a support member, a connector for removably connecting the support member to a vehicle so that the support member is in a vertical orientation, a support flange integrally connected to the... | 06/17/1997 |
| 5626457 | Grapple impactor An improved robotic power grapple having the capability to both manipulate and impact objects. The grapple has a head assembly containing pivotal jaws and an impact hammer disposed within a rotation device to allow the head assembly and jaws to rotate abo... | 05/06/1997 |
| 5558169 | Truck mounted work implement A supporting frame mounting a work implement, such as a post hole digger, is disclosed wherein the supporting frame is connected to a standard snow plow mount at the front of a truck. The supporting frame includes a fixed base member affixed to the snow p... | 09/24/1996 |
