Patents
Sitemap › B25 - Hand tools; Portable power-driven tools; Handles for hand implements; Workshop equipment; Manipulators › B25B - Tools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding › B25B 21 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
Patents for B25B 21 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose (7,850)
05/2012
05/15/2012CA2459512C Rotary tool
05/10/2012US20120111592 Impact tool with adjustable clutch
05/10/2012DE102010062014B3 Handwerkzeugmaschine Hand tool
05/09/2012EP2448714A1 Ratchet wrench with collar-actuated reversing mechanism
05/09/2012CN202212912U Screw precompressor attached on electric screw driver
05/09/2012CN102448673A Electric tool
05/09/2012CN102441878A Electric power tool suspending attachment and electric power tool equipped with the same
05/08/2012US8172004 Automatic transmission for a power tool
05/03/2012WO2012055813A1 Pneumatic torque impulse wrench with stepped shut-off function
05/03/2012WO2012055700A1 Hand machine tool comprising a mechanical striking mechanism
05/03/2012WO2012055669A1 Mechanical striking mechanism for a hand machine tool
05/03/2012US20120103142 Powered wrench
05/03/2012DE102012200399A1 Aufsatz für eine handgeführte Werkzeugmaschine Attachment for a hand-guided machine tool
05/03/2012DE102010063200A1 Handwerkzeugmaschine mit einem mechanischen Schlagwerk Hand tool with a mechanical percussion
05/03/2012DE102010049963A1 Automatic screw unit for use in automatic assembly unit of assembly line for screwing axle parts of passenger car, has screw device held against connection flange in swivelable manner around A1-axis that is aligned parallel to Y-axis
05/03/2012DE102010043099A1 Handwerkzeugmaschine mit einem mechanischen Schlagwerk Hand tool with a mechanical percussion
05/02/2012EP2447006A2 Power tool with a light for illuminating a workpiece
05/02/2012CN202207985U Adjustable electric wrench
05/02/2012CN102431002A Power tool
05/02/2012CN101691030B Railway multifunctional railway electric wrench
04/2012
04/26/2012WO2012051742A1 Electric fastening head for fastening lock nut of single through shaft
04/26/2012DE102010046011A1 Rechargeable battery nut runner or drilling machine has conversion buttons that are operable with index finger and/or middle finger for switching between clockwise and anti-clockwise rotations
04/25/2012EP2444202A2 Removable contact trip assembly
04/25/2012EP2444201A2 Removable contact trip assembly
04/25/2012CN202200230U 电动螺丝刀 Electric Screwdriver
04/25/2012CN101402190B 动力工具 Power tools
04/25/2012CN101396811B 动力工具 Power tools
04/22/2012CA2755415A1 A fastener turning tool with a surface protective collar
04/19/2012WO2012049114A1 Tool for installing insulating material holders
04/19/2012US20120090864 Apparatus for tightening or loosening fasteners
04/19/2012US20120090863 Screwdriving tool having a driving tool with a removable contact trip assembly
04/19/2012DE102011005553A1 Handgeführtes Elektrowerkzeug mit einer Spindellockvorrichtung Hand-held power tool with a Spindellockvorrichtung
04/19/2012DE102010048775A1 Vorrichtung zum Eindrehen von Schrauben Apparatus for driving screws
04/18/2012EP2441551A2 Device for screwing in screws
04/18/2012EP2440372A1 Portable power wrench with a gear casing and a parameter sensing device
04/18/2012CN202195906U 车桥轮毂装配及起动力测量机 Since the axle hub assembly and power measuring machine
04/18/2012CN202192587U 电缆连接器螺母自动拧紧机 Cable connector nut automatic tightening machine
04/18/2012CN202192586U 简易拆卸磁力杆 Easy disassembly magnetic pole
04/18/2012CN101700649B 铁塔法兰及地脚螺栓紧固装置 Iron tower flanges and bolt fastening device
04/18/2012CN101422889B 用于紧固或松开紧固件的流体操作扭矩扳手及方法 Fluid operated torque wrench and method for tightening or loosening fasteners
04/12/2012US20120085562 Portable power wrench with a gear casing and a parameter sensing device
04/12/2012DE102010047624A1 Schraubspindellagerung Schraubspindellagerung
04/11/2012EP2439022A1 Bidirectional transmission power tool
04/11/2012EP2439021A1 Impact wrench
04/11/2012CN102407510A 一种自锁螺丝夹头 A self-locking screw chuck
04/11/2012CN102407509A 一种多功能折叠电动螺丝刀 A multifunctional folding electric screwdriver
04/10/2012US8151901 Impact device and method for generating stress pulse therein
04/05/2012WO2012042996A1 Electric tool
04/05/2012WO2011153455A3 Screw holder-driver apparatuses, systems and methods
04/04/2012EP2435213A2 Swinging weight assembly for impact tool
04/04/2012CN202180443U 扭剪型螺栓快速拆卸装置 Torsional shear bolt quick release device
04/04/2012CN202180437U 棘轮装置及包含该棘轮装置的动力棘轮扳手 Ratchet means and the ratchet means comprising a power ratchet wrench
04/04/2012CN102398253A 气动工具 Pneumatic Tools
04/04/2012CN102398243A 油压式扭矩扳手的冲击扭矩调节装置 The impact of hydraulic torque wrench torque adjusting device
04/04/2012CN101670452B 动力工具 Power tools
04/03/2012US8146463 Screw driver
04/03/2012DE202011107082U1 Handwerkzeugmaschine Hand tool
03/2012
03/29/2012US20120073846 Power tool
03/29/2012US20120073845 Impact wrench
03/29/2012US20120073410 Detented adapter interface for screwdriver tool attachment
03/29/2012DE102010037867A1 Torque adjusting device for use in torque spanner for adjusting torque provided by spanner, has C-clip including inner edge arranged at annular groove of retaining element, and outer edge arranged at annular rib of rotary knob
03/28/2012CN202174536U 一种电动扳手 An electric wrench
03/28/2012CN1829588B Impact wrench having an improved anvil to square driver transition
03/28/2012CN101693361B Full-automatic accessory screwdriver
03/28/2012CN101628403B Synchronous tightening tool of expanded coupling sleeve
03/28/2012CN101422896B Impact drill
03/27/2012CA2589985C High torque dual chamber turbine rotor for hand held or spindle mounted pneumatic tool
03/22/2012DE102007044251B4 Drehmomentwerkzeug und Verfahren zum Festziehen oder Lösen von Verbindungen Torque tool and method for tightening or loosening of connections
03/21/2012CN202169559U 气动扳手的高扭力双销打击装置 High Torque Impact Wrench double blow device pin
03/21/2012CN202169558U 枪式气动风批 Batch pneumatic air gun
03/21/2012CN202169557U 电动螺丝刀 Electric Screwdriver
03/21/2012CN202169556U 电动螺丝刀 Electric Screwdriver
03/21/2012CN202169555U 电动螺丝刀 Electric Screwdriver
03/21/2012CN102387896A 冲击工具 Impact Tool
03/21/2012CN102380838A Electric folding screwdriver
03/21/2012CN101491895B Portable electric wrench and clutch device
03/20/2012US8136606 Cordless nail gun
03/15/2012WO2011159022A3 Digital device and method for measuring the axial load of a torque-shear-type high strength bolt
03/15/2012DE202012100275U1 Batteriebetriebene Handwerkzeugmaschine Battery-powered hand tool
03/15/2012DE102010044823A1 Screw spindle, particularly battery operated industrial hand screwdriver for use with radio module, has housing that is provided with drive side, torque receiver, gear, motor and rotor position sensor
03/14/2012CN202162746U 扣件螺栓松动器 Fastening bolts loose control
03/14/2012CN202162110U 涂油器 Oiler
03/13/2012US8132486 Power screw gun with hammer head
03/08/2012US20120055690 Impact torque adjusting device of hydraulic torque wrench
03/08/2012DE102010040217A1 Betätigungsvorrichtung zum Kalibrieren von Drehmoment-Drehwinkelschlüsseln Actuating device for calibrating torque-angle of rotation keys
03/07/2012EP2425933A2 Impact torque adjusting device of hydraulic torque wrench
03/01/2012WO2012025820A1 Impact tightening tool
03/01/2012WO2011143315A3 Torque wrench
03/01/2012DE202012000129U1 Winkelige Bohr- und Schrauberwelle Angular drill and screwdriver shaft
03/01/2012DE102011110005A1 Halte- und Antriebswerkzeug mit Abkopplungsfähigkeit Holding and driving tool with decoupling ability
03/01/2012DE102010035551A1 Tool for producing screw connection for robot for series manufacture of motor cars, has screw element rotated around rotational axle relative to tool part, where tool part and another tool part are coupled together by coupling device
02/2012
02/29/2012EP2421679A2 Apparatus for tightening or loosening fasteners
02/29/2012CN202151839U 手持式电批及自动锁螺丝机 Hand-held electric screwdriver and automatic locking screw machine
02/23/2012WO2012023452A1 Rotary impact tool
02/23/2012WO2011145822A3 Shooting-type screw fastener
02/22/2012EP2420355A1 Electric tool
02/22/2012CN202147250U 一种矿山多级泵用力矩扳手 One kind of mining multi-stage pump with a torque wrench
02/22/2012CN202147249U 一种气动扳手悬吊机构 One kind of pneumatic wrench lifting mechanism
02/22/2012CN102357858A Electronic air-break type pneumatic tool
02/21/2012US8118702 Power tool with planet type reduction gearing
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