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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7357376 | Device for lifting and stabilizing loads It is described a device for lifting and stabilizing loads, comprising a frame and a height-adjustable crossmember, which is located below said frame, bears the load, and is stabilized by two intersecting telescopic struts that are hinged on the crossmember so that ... | 04/15/2008 |
| 7322406 | Elevation sensor for a service hose and an apparatus for positioning and stabbing well tubulars An operational system and method and improved apparatus for positioning and stabbing well tubulars wherein: the grasping members of the apparatus can be folded and unfolded; the boom assembly can be pivoted to a downward clearance position; a plurality of stabbing a... | 01/29/2008 |
| 7293607 | Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rig A method and apparatus for positioning and supporting the work platform of a mobile workover rig is disclosed. The work platform of the preferred embodiment of the present invention utilizes a unique support structure and automated positioning system for positioning... | 11/13/2007 |
| 7283913 | Method of executing a leak control system, and a leak control system for performing the method The invention relates to a leak control system (1) in two-stringed pipe installations and a method of executing a leak control system comprising one stop valve (2) with an associated flow meter (3) arranged in the supply pipe (4) of the p... | 10/16/2007 |
| 7278614 | Cable mount and fixture having electrical switch assembly A cable mount and fixture system is disclosed. The system includes a mounting fixture, a cable mount insertable into the mounting fixture, and a switch assembly connected to the mounting fixture. The switch assembly includes an actuating signal that verifies that th... | 10/09/2007 |
| 7249639 | Automated arm for positioning of drilling tools such as an iron roughneck The invention relates to an apparatus for moving an Iron Roughneck into position to allow making-up or breaking-out of threaded joints in a drill string. The apparatus may also be used to move other drilling equipment into position on the centerline of the well or a... | 07/31/2007 |
| 7246983 | Pipe racking system The pipe racking system is designed to handle drilling tubulars (primarily drill pipe and drill collars) between the racked or setback position and the well center. The racking system can mechanically grasp a stand of pipe, lift the pipe sufficient for free movement... | 07/24/2007 |
| 7178612 | Automated arm for positioning of drilling tools such as an iron roughneck The invention relates to an apparatus for moving an Iron Roughneck into position to allow making-up or breaking-out of threaded joints in a drill string. The apparatus may also be used to move other drilling equipment into position on the centerline of the well or a... | 02/20/2007 |
| 7086461 | Combined grip control of elevator and spider slips Apparatus for gripping and releasing a tubular and comprising an elevator (13) having slips (15) for gripping and releasing a tubular (39,40). A spider (12) has slips (14) for gripping and releasing the tubular (33). A mecha... | 08/08/2006 |
| 7077209 | Mast for handling a coiled tubing injector A mast for lifting and suspending over a wellhead a coiled tubing injector and blow out preventer is pivotally mounted on a rear portion of a truck. The mast has two side-by-side telescoping legs that extend and retract synchronously. When in a retracted position, t... | 07/18/2006 |
| 7036202 | Apparatus and method for handling of tubulars The present invention provides an apparatus for attachment to pipe handling arm, comprising a clamp for gripping a tubular and a guide for aligning said tubular with another tubular prior to connection thereof, characterized in that said clamp and said guide are mov... | 05/02/2006 |
| 7011166 | System and method for assisting with automatically connecting pipe joints with a horizontal boring machine An automatic pipe handling system for automatically transporting pipe sections to and from a horizontal boring machine. The system comprises a pipe handling assembly, a pipe lubrication assembly, a makeup/breakout assembly, and an automatic control system. The pipe ... | 03/14/2006 |
| 6997265 | Method and apparatus for offline standbuilding A method and apparatus for moving pipe on a rig floor between a number of different stations including an off-floor rack, a preparation opening, a borehole, and a storage area, such that tubulars can be loaded onto the drill floor, prepared at the preparation openin... | 02/14/2006 |
| 6976540 | Method and apparatus for offline standbuilding A method and apparatus for moving pipe on a rig floor between a number of different stations are provided. Generally the apparatus includes pipehandling equipment arranged to interact with an off-floor rack, a preparation opening, a borehole, and a storage area, suc... | 12/20/2005 |
| 6965230 | Apparatus and method for determining the position of the end of a threaded connection, and for positioning a power tong relative thereto Apparatus and method for positioning a power makeup/breakout device, commonly referred to as a “power tong unit,” along the longitudinal axis of a tubular, with respect to the end of a connection. A probe having an electric coil is mounted on the power tong. An ... | 11/15/2005 |
| 6935440 | Service rig with torque carrier A service rig, comprising a mast, a torque carrier suspended from the mast; and a brace having a torque carrier end connected to the torque carrier for conveying torque from the torque carrier into the brace and an anchored end with a fastener for attaching the brac... | 08/30/2005 |
| 6926488 | Horizontal drill pipe racker and delivery system Stands (43) of multiple lengths of drill pipe, for oil and gas drilling are individually supported in a storage bin (28, 29) in an array of plural layers of plural numbers of stands. The individual stands are held in cooperating notches (41, 42)... | 08/09/2005 |
| 6907934 | Universal top-drive wireline entry system bracket and method A bracket and tension rod device is mounted to a top-drive dolly to carry the weight of a sheave wheel assembly. The device is deployed by connecting the sheave wheel assembly to a rigid dolly arm with an adjustable tension rod to relieve a gooseneck from adverse te... | 06/21/2005 |
| 6550128 | Apparatus and method for handling of tubulars An apparatus for attachment to a pipe handling arm, which apparatus comprises a clamp (3, 4) for gripping a tubular (70), characterised in that said apparatus further comprises means (10) for, in use, aligning said tubular (70) with another tubular (71) p... | 04/22/2003 |
| 6149376 | Pipe moving method, apparatus and system A system, apparatus and method are disclosed for moving an elongate object such as a pipe between lowered and raised positions, preferably while rotating the object to maintain its shape. The system and method use two apparatuses, an upender and a downend... | 11/21/2000 |
| 5575344 | Rod changing system A drill rod changing apparatus is disclosed including a support assembly connected to a drilling rig for supporting a plurality of drill rods. Connected to the support assembly is a lifting mechanism for raising and lowering a drill rod along the longitud... | 11/19/1996 |
| 5284375 | Single actuation rod gripping mechanism A mechanism for gripping drill rods in a carousel of a drilling rig provides a dual function of extending and gripping in a single movement of a pair of opposed gripper arms pivotally connected to each other about a first, longitudinally movable pivot pin... | 02/08/1994 |
| 5183122 | Derrick assembly capable of conveying pipe sections between a drill string and a rack for said pipe sections A derrick assembly capable of conveying pipe sections between a drill string and a rack for storing the pipe sections. The assembly includes a frame having lateral sidewalls and a base together defining an elongated channel having an open outer side oppos... | 02/02/1993 |
| 4862973 | Drilling derrick device A drilling derrick device for handling drill-pipe stands has at least one movable racking platform with pipe-stand receiving compartments, supported above the working deck of the derrick, at least one racking carriage associated with the racking platform ... | 09/05/1989 |
| 4765401 | Apparatus for handling well pipe A well pipe handling machine including a vertically extending column structure which carries means for engaging and holding a pipe in vertical condition and is movable with the pipe holding means between a first position in which a carried pipe can be con... | 08/23/1988 |
| 4709766 | Well pipe handling machine A well pipe handling machine for removing a series of stands of pipe from the upper end of a well pipe string and storing the stands in a rack offset to a side of the well axis and/or returning the stands sequentially from the rack for reconnection to the... | 12/01/1987 |
| 4696207 | Well pipe handling machine A well pipe handling machine for removing a series of stands of pipe from the upper end of a well pipe string and storing the stands in a rack offset to a side of the well axis and/or returning the stands sequentially from the rack for reconnection to the... | 09/29/1987 |
| 4621974 | Automated pipe equipment system An automated pipe handling system is provided to increase safety and to minimize the number of workmen required in the coupling and uncoupling of pipe stands. The system includes a programmable controller for monitoring and/or controlling devices which re... | 11/11/1986 |
| 4462733 | Beam type racking system A pipe racking system is shown of the type having a vertical track, a lifting assembly adapted for vertical movement along the track, a horizontal beam for supporting the vertical track, and a movable carriage connecting the vertical track to the horizont... | 07/31/1984 |
| 4397605 | Mechanized stand handling apparatus for drilling rigs Apparatus for the handling of drill collar and pipe stands and comprised of a hydraulically mechanized "Derrickman" and "Derrick Floor Hand" and associated fingerboard lock bars and all of which are adapted to remote control in the placement of the stands... | 08/09/1983 |
| 4274778 | Mechanized stand handling apparatus for drilling rigs Apparatus for the handling of drill collar and pipe stands and comprised of a hydraulically mechanized "Derrickman" and "Derrick Floor Hand" and associated fingerboard lock bars and all of which are adapted to remote control in the placement of the stands... | 06/23/1981 |
| 4251176 | Well tubing handling apparatus Well tubing handling apparatus useful for running and pulling tubing in a well bore and drilling a well bore including a main frame assembly, a pulling and snubbing assembly, a ladder assembly, and a work platform assembly. The apparatus is quickly assemb... | 02/17/1981 |
| 4139891 | Elevator load control arrangement for a computer-controlled oil drilling rig A computer-controlled oil drilling derrick is characterized by apparatus for determining the load supported by a traveling block during motion thereof from a first to second position within an oil drilling rig. The apparatus is operative to output a signa... | 02/13/1979 |
| 4128888 | Velocity control arrangement for a computer-controlled oil drilling rig A computer - controlled oil drilling rig is characterized by apparatus for comparing signals representative of the actual velocity and direction of travel of a traveling block with signals representative of predetermined minimum and maximum velocities of ... | 12/05/1978 |
| 4126348 | Universal handling head for a pipe racker A universal handling head which includes a lifting and/or a guiding head, for a pipe racker for handling pipe in a drilling derrick comprises a housing member and latch assembly having at least one latching finger. A latch assembly is engaged with the hou... | 11/21/1978 |
| 4042123 | Automated pipe handling system In a hydraulically powered pipe handling system, a general purpose digital computer is used to control the operation of hydraulically powered racker arms as well as the various auxiliary functions involved in vertical piperacking operations. The manual pi... | 08/16/1977 |
