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| Number | Title | Issue Date |
| 8141459 | Powered adjustable pipe wrench The powered adjustable pipe wrench has a motorized rotary grip to rotate a pipe component clamped therein and a laterally spaced stationary grip to hold a second pipe component stationary relative to the first as it is being rotated. The pipe wrench may have a cylin... | 03/27/2012 |
| 8109179 | Power tong A power tong continuously rotates tubulars for spinning and torquing threaded connections. Continuous rotation is achieved through a rotating jaw having grippers that grip the tubular and continuously rotate with it. Hydraulic and electrical power necessary for actu... | 02/07/2012 |
| 7878090 | Handheld power tool, in particular a power drill or screwdriver A handheld power tool, in particular a power drill or power screwdriver, has a tool holder, which is displaceably received in a housing and which can be driven via a drive unit; a microswitch that can switch the drive unit on and off is provided, which is switchable... | 02/01/2011 |
| 7370549 | Reduction gear for geared motor, geared motor, and product group thereof A reduction gear for forming a geared motor having a motor and a reduction gear is provided. The reduction gear for a geared motor includes an intermediate orthogonal gear head having an orthogonal transfer mechanism for changing a rotational direction of power deli... | 05/13/2008 |
| 7340814 | Method of installing spiral threaded inserts and installation tool In a method of installing spiral threaded inserts (38), in which method a first threaded insert (38) is inserted into an installation tool (20) and is screwed into a tapped hole by the installation tool (20), safe use is achieved even at ... | 03/11/2008 |
| 7318485 | Method of Controlling the direction of rotation of a power tool The invention discloses a power tool for screwing or drilling having a motor for driving a drive shaft, a controller for controlling the power tool, a motor switch for switching the motor on and off, switch for reversing the power tool between clockwise and counter-... | 01/15/2008 |
| 7284463 | Attachment for a socket wrench, and method The invention includes an attachment for a socket wrench that is capable of imparting torque about an axis simultaneously in opposite directions. The invention also includes a method for imparting torque about an axis simultaneously in opposite directions. ... | 10/23/2007 |
| 7246541 | Pipefitting engaging tool assembly A pipefitting engaging tool assembly includes a housing that has a bottom wall and a peripheral wall. A head is attached to the housing and has a circular opening extending therethrough. The opening is defined by an outer edge that has a slot therein continually ext... | 07/24/2007 |
| 7225707 | Torque wrench with quick-release gear set The torque wrench with quick release gear set is a system having a rotary actuator drive unit, which is attachable to a planetary drive gear set by a quick-release cylindrical adapter and collar so as to provide quick interchangeability of gear sets without the use ... | 06/05/2007 |
| 7191494 | Stabilizer for rotary tools The stabilizer apparatus for a power head attachment for rotationally powered tools in which a housing supports a stabilizer apparatus including a stabilizer collar rotatable to selected positions relative to the input shaft of the head attachment and a stabilizer a... | 03/20/2007 |
| 7185998 | Power tool A power tool has a light unit provided at the bottom part of the handle grip. The light unit can be adjusted to change the lighting angle and can hold the desired lighting angle. The light unit thus disposed does not get in the way, the lighting angle of the light u... | 03/06/2007 |
| 7174971 | Clockwise or counterclockwise rotation control device of a pneumatic tool The present invention discloses a clockwise or counterclockwise rotation control device installed to a pneumatic tool uses pressurized air as power. The pneumatic tool comprises a main body of the pneumatic motor module, a rear cover module disposed at a rear end of... | 02/13/2007 |
| 7171872 | Adjustable mechanical screwdriver An adjustable mechanical screwdriver, having a receiving housing, gear housing and a deflection bevel gear. A small structural size is achieved because the driveshaft protrudes with a bearing shoulder at the drive bevel gear in a direction of the bearing shaft, whic... | 02/06/2007 |
| 7143668 | Customizable light bulb changer A light bulb changing tool comprising a motorized clasping mechanism configured to engage a light bulb, the motorized clasping mechanism configured along an axis, the motorized clasping mechanism configured to actuate in a first direction and a second direction; and... | 12/05/2006 |
| 7100697 | Method and apparatus for reforming tubular connections The present invention generally relates to methods and apparatus for connecting tubulars and reforming the connection between the tubulars. In one aspect of the invention, the tubulars are aligned, connected, and then reformed at the connection. In one embodiment, t... | 09/05/2006 |
| 7080578 | Hand tool with impact drive and speed reducing mechanism A power driven tool useful for tightening and loosening a mechanical fastener includes an impact mechanism. Preferably, the tool is pneumatic and includes a ratchet head and an impact device for providing additional torque to the ratchet head. A planetary reduction ... | 07/25/2006 |
| 7073606 | Manual machine tool The invention is based on a power tool comprising toolholder (12, 102) driveable in at least rotary fashion via a drive motor and via a driven shaft (10, 98, 100), which comprises a workholding fixture (14) for attaching tools (16, 104) a... | 07/11/2006 |
| 7062979 | Tool and associated methods for controllably applying torque to a fastener A torque tool and an associated method are provided which apply operator-defined levels of torque to a threaded fastener. In one aspect, a portable, battery powered torque tool controls the motor to slow further advancement of the threaded fastener once the torque t... | 06/20/2006 |
| 7032881 | Switch mechanism for a pneumatic tool A switch mechanism for a pneumatic tool comprises a choke ring having an air hole disposed in an air passage of the pneumatic tool; A control rod is swayably inserted through the air hole with a first end of corresponds to a trigger of the pneumatic tool; A choke me... | 04/25/2006 |
| 7028585 | Wrenching tong Apparatus for applying torque to a first tubular relative to a second tubular, the apparatus comprising a first tong for gripping the first tubular and a second tong for gripping the second tubular, wherein the first tong is provided with teeth around a peripheral s... | 04/18/2006 |
| 7028586 | Apparatus and method relating to tongs, continous circulation and to safety slips A tong system includes an upper tong having grips for gripping a tubular and a rotation mechanism to rotate the grips and the tubular. A lower tong also has grips and a rotation mechanism to rotate the grips to provide rotation to a lower tubular, such that the uppe... | 04/18/2006 |
| 7011000 | Bolt or nut tightening device having reaction force receiving member A bolt or nut tightening device comprising a tightening socket (4) and a reaction force receiving member (5), the tightening socket (4) being rotatingly drivable upon a speed reduction by a motor (2) and a reduction mechanism (3) w... | 03/14/2006 |
| 6941841 | Motorized light bulb changer A light bulb changing tool comprising a motorized clasping mechanism configured to engage a light bulb, the motorized clasping mechanism configured along an axis, the motorized clasping mechanism configured to actuate in a first direction and a second direction; and... | 09/13/2005 |
| 6860173 | Power installation tool for helical coil inserts A tool for installing a helical coil insert in a tapped hole formed in a workpiece includes a tubular body having a bore extending along its axis, a mandrel coaxially disposed in the bore of the tubular body, a motor for rotating the mandrel, and an air cylinder for... | 03/01/2005 |
| 6681659 | Automatic fastener apparatus and method An apparatus and associated method for automatically installing a fastener to a fastener receptacle portion of a work piece. A fastener apparatus comprises a central frame supporting a datum member. The datum member defines a fastener position, and the da... | 01/27/2004 |
| 6631659 | Vibrating nutrunner The vibration nut wrench containing the body (1) with the control handle (2), the located into it drive (3) with the output shaft (4), the connected to it exciter of rotational oscillations designed in the form of two fly-wheels (5) and (6), connected to ... | 10/14/2003 |
| 6497316 | Powered, unidirectional output controlling apparatus A powered, unidirectional output controlling apparatus mounted between the main shaft of an electrically powered tool and a power source is provided. The apparatus comprises a rotating seat, a plurality of flexible disc seats made from a rubber material, ... | 12/24/2002 |
| 6311787 | Power driven rotary device A drill 30 for driving a bit 44 into a workpiece 50 includes an assembled anvil 58 and spindle 38, which are mounted for rotation together and for axial movement together within a drill housing 32. A planet carrier 56 is driven by a motor 52 and, in turn ... | 11/06/2001 |
| 6282990 | Flat head power ratchets A low profile substantially flat head power ratchet comprising a pair of spaced shells joined together to for a housing which is tubular at one end for attachment to a pneumatic motor and flat at the other end for operating use in confined areas, said rat... | 09/04/2001 |
| 6279714 | Powered, undirectional output controlling apparatus A powered, unidirectional output controlling apparatus mounted between the main shaft of an electrically powered tool and a power source is provided. The apparatus comprises a rotating seat, a plurality of flexible disc seats made from a rubber material, ... | 08/28/2001 |
| 6273200 | Screwdriver with manuel spindel lock A power tool has a manual spindle lock which includes a first locking member to couple with a gear of the power tool drive train. The locking member includes a first cam member. A second cam member is coupled with the first cam member. The second cam memb... | 08/14/2001 |
| 6079742 | Tire changing system with frame mounted jacks and lug wrench A tire changing system with frame mounted jacks and lug wrench comprising a vehicle having a plurality of wheels and a frame with a pair of longitudinal lower supports horizontally situated on a lower surface thereof adjacent to sides thereof; four housin... | 06/27/2000 |
| 5984022 | Automatic shaft lock An automatic shaft lock is incorporated into the transmission or drive components of a power driving tool of the type commonly used to tighten or loosen threaded fasteners, for example. The automatic shaft lock operates to prevent an externally-applied ro... | 11/16/1999 |
| 5881612 | Finger guard for tubenut tools A spring loaded guard is provided to limit access to a potential nip point formed between the rotating nut driver and its guide and wherein the guard extends beyond the guide housing a sufficient distance to engage the tubing for displacement of the guard... | 03/16/1999 |
| 5557990 | Actuating device for use in powered screwdriver A powered screwdriver includes a tool head, a lower cylinder, a hollow shaft insertable through the lower cylinder, an upper cylinder engageable with the lower cylinder, a passage defined in the upper cylinder, a motor-driven axle insertable through the p... | 09/24/1996 |
| 5427002 | Power drive unit for hand tools A power drive unit for hand tools such as hand operated screwdrivers with a handle at one end, comprising a relatively large diameter cylindrical drive shaft having an annular chuck assembly secured at one end provides a relatively large diameter passagew... | 06/27/1995 |
| 5269733 | Power tool plastic gear train A power tool with a two-part housing has a drive motor with a pinion gear on the motor shaft. A plastic cylindrical ring gear is fixed to the motor in coaxial surrounding relationship with the pinion gear and has attachment lugs which fit between the two ... | 12/14/1993 |
| 5224803 | Router device A router attachment for adapting a conventional screw gun for cutting sheets of drywall material includes a housing that is removably securable to the housing of the screw gun, an input shaft rotatably mounted in the housing for coupling with the screwdri... | 07/06/1993 |
| 5172613 | Power tongs with improved gripping means Power tongs and the back-ups are disclosed which have improved means for gripping pipe and tubular members. Torque is applied and held with minimum damage to the pipe or tubular member. A plurality of gripping assemblies, each consisting of a pivoted jaw ... | 12/22/1992 |
| 5090273 | Adjustable ratchet wrench An adjustable ratchet wrench has a housing carried by a handle. The housing has a generally cylindrical chamber which carries a mounting disk which in turn supports three equidistantly spaced jaws. The mounting disk is connected to the handle by a ratchet... | 02/25/1992 |
