Patents for B25B 21 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose (7,850) |
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07/04/2012 | CN102528773A Power tool |
07/04/2012 | CN102528769A Variable speed switch and electric power tool with the variable speed switch mounted thereto |
07/04/2012 | CN102528722A Torque rotating device capable of controlling electric screwdriver through torque band |
07/04/2012 | CN102528721A Rechargeable battery-operated screwing system with a reduced volume of radio-transmitted data |
07/04/2012 | CN102528720A Power tool provided with circuit board |
07/04/2012 | CN102528719A Industrial Tool |
07/04/2012 | CN102528718A Power tool |
07/04/2012 | CN102528717A Tightening machine having socket unit |
07/04/2012 | CN102528716A Electric nut spanner with flexible shaft |
07/04/2012 | CN102528123A Speed changing tool |
06/28/2012 | WO2012084428A1 Portable power tool |
06/28/2012 | US20120160535 Power tool |
06/28/2012 | US20120160529 Power screwdriver having rotary input control |
06/28/2012 | DE102010063953A1 Handwerkzeugmaschine Hand tool |
06/27/2012 | EP2468453A2 Power tool |
06/27/2012 | EP2467237A1 Power tool |
06/27/2012 | EP2467236A1 Power tool |
06/27/2012 | EP2249994B1 Hydraulic pressure supply unit for a power screwdriver |
06/27/2012 | CN102513976A Torque-self-balanced hydraulic screwing device for bolts and fastening method |
06/27/2012 | CN102513957A Screw stopping device for electrically assembling screws |
06/27/2012 | CN101678537B Rotary power tool operable in a first speed mode and a second speed mode |
06/27/2012 | CN101491896B Safety torque intensifying tool |
06/21/2012 | WO2012079932A1 Portable power tool having a mechanical percussion mechanism |
06/21/2012 | US20120152580 Hand power tool and drive train |
06/21/2012 | US20120152579 Electric handheld machine tool |
06/21/2012 | US20120152578 Screw Driver |
06/21/2012 | US20120152067 Tightening machine having socket unit |
06/20/2012 | CN202278527U 手持自动锁螺丝机结构 Hand-held automatic locking screw machine structure |
06/20/2012 | CN102501211A Hydraulic spanner |
06/20/2012 | CN102501210A Multipurpose electric screwdriver |
06/20/2012 | CN102501209A Direct-current motor-driven wrench |
06/20/2012 | CN102501208A Alternating-current electric wrench |
06/20/2012 | CN102501207A Pneumatic digital-display torque wrench |
06/14/2012 | DE102010063080A1 Handwerkzeugmaschine mit einem mechanischen Schlagwerk Hand tool with a mechanical percussion |
06/14/2012 | DE102010063069A1 Handwerkzeugmaschine, insbesondere Bohrmaschine oder Schraubbohrmaschine Hand tool, in particular drill or Schraubbohrmaschine |
06/14/2012 | DE102010053677A1 Pneumatic impact screwdriver has outer housing whose front side is provided with stop ring and on which front cover of cylinder is arranged |
06/13/2012 | CN202271317U 铝板翅油冷器双头螺纹接头专用套筒 Aluminum plate fin oil cooler-headed nipple special sleeve |
06/13/2012 | CN202271316U 一种自动打螺钉机 An automatic screw machine to play |
06/13/2012 | CN1990186B Depth stop |
06/12/2012 | US8196673 Method and apparatus for determining when a threaded fastener has been tightened to a predetermined tightness |
06/07/2012 | WO2012072329A1 Hammer mechanism |
06/07/2012 | WO2012072328A1 Hammer percussion mechanism |
06/07/2012 | WO2012072327A1 Hammer percussion mechanism |
06/07/2012 | WO2012072326A1 Hammer percussion mechanism |
06/07/2012 | WO2012072325A1 Hammer percussion mechanism |
06/07/2012 | US20120138329 Structure of pneumatic impact wrench |
06/07/2012 | US20120137841 Press-set threaded screws and 2 stroke air tool for installation |
06/06/2012 | EP2459348A1 Impact tool |
06/06/2012 | EP2459347A2 Impact tool |
06/06/2012 | EP2459346A1 Impact tool |
06/06/2012 | CN202264190U 脚手架螺纹顶撑整备装置 Scaffolding crest stays preparedness means |
06/06/2012 | CN202264171U 一种组合内六角扳手头 A combination of internal hex wrench head |
06/06/2012 | CN102485437A Pendulum-type power tool |
06/06/2012 | CN102485436A 电动工具 Power Tools |
06/05/2012 | US8191697 Spring clutch mechanism in screw driver |
06/05/2012 | US8191649 Impact screwdriver having a shaft locking device |
05/31/2012 | WO2011139350A3 System for performing predefined fastener installation procedures |
05/31/2012 | US20120132452 Handheld power tool |
05/31/2012 | US20120132449 Machine tool, in particular handheld machine tool |
05/31/2012 | DE102011007691A1 Hammerschlagwerk Hammer mechanism |
05/31/2012 | DE102010062107A1 Hammerschlagwerk Hammer mechanism |
05/31/2012 | DE102010062102A1 Hammerschlagwerk Hammer mechanism |
05/31/2012 | DE102010062099A1 Hammerschlagwerk Hammer mechanism |
05/31/2012 | DE102010062094A1 Hammerschlagwerk Hammer mechanism |
05/31/2012 | DE102009000402B4 Sicheres drehmomentverstärkendes Werkzeug Safe torque Splicing Tool |
05/31/2012 | DE10041358B4 Vorrichtung zum Ausrichten eines Mehrkant-Verbindungselementes An apparatus for aligning a multi-sided connecting element |
05/30/2012 | EP2457694A2 Power tool |
05/30/2012 | EP2457693A2 Screwdriver with sensor-activated deactivation |
05/30/2012 | CN202241057U Automatic special-shaped bolt screwing device |
05/30/2012 | CN202241056U Electric screwdriver |
05/30/2012 | CN202241055U Electric screwdriver |
05/30/2012 | CN202241054U Device for screwing/unscrewing screws of wellhead on site of oilfield workover treatment |
05/30/2012 | CN102481686A 冲击工具 Impact Tool |
05/30/2012 | CN102476375A 锤式冲击机 Hammer impact machine |
05/30/2012 | CN102476369A 一种气动冲击扳手的改良构造 An improved structure of a pneumatic impact wrench |
05/30/2012 | CN102476368A 扭剪扳手用套节以及扭剪扳手 Torsional shear wrench with a hub and torsional shear wrench |
05/30/2012 | CN102476367A 动力工具 Power tools |
05/30/2012 | CN101704232B Electric screwdriver screw feed device |
05/30/2012 | CN101522352B Hand machine-tool, especially electrical shears |
05/24/2012 | WO2012068016A2 Impact tool |
05/24/2012 | WO2012065789A1 Motor-powered machine tool, in particular a hand-held machine tool |
05/24/2012 | DE10308272B4 Schraubendreher Screwdriver |
05/24/2012 | DE102010049964A1 Automatic screwing unit for integration in assembly line for mounting vehicle axle, has insert detachably held at counter support in force-fit and form-fit manner during screwing process and receiving screw element |
05/23/2012 | CN102470519A 冲击工具 Impact Tool |
05/23/2012 | CN102470518A 冲击工具 Impact Tool |
05/23/2012 | CN102470517A 冲击工具 Impact Tool |
05/23/2012 | CN102470516A 具有套环致动的换向机构的棘轮扳手 Having a collar commutation mechanism actuated ratchet wrench |
05/23/2012 | CN102463563A 手持式工具机 Hand-held machine tool |
05/23/2012 | CN102463552A 改进的电动螺丝刀 Improved electric screwdriver |
05/23/2012 | CN102463551A 便携式安全电动螺丝刀 Portable security electric screwdriver |
05/23/2012 | CN101578159B Device for detecting load torque on electric motor |
05/18/2012 | WO2012062180A1 Impact mechanism for electric tool |
05/17/2012 | US20120118596 Impact tool |
05/16/2012 | DE10327588B4 Schraubendreher Screwdriver |
05/16/2012 | DE102010043741A1 Power screwdriver for use as drilling machine for drilling operations in workpiece, has evaluation unit that evaluates characteristic for number of rotations of screw jack and/or characteristic for screw-in depth |
05/16/2012 | DE102010043737A1 Hand-held power tool i.e. battery-powered torque impact wrench, has insertion tool provided with inner multi-edge clutch that is displaceable on outer holder, and tool holder fastened to driven shaft via force-fit connection |
05/16/2012 | CN102458773A 具有齿轮箱和参数感测设备的便携式动力扳手 Having a gearbox and a parameter sensing device for portable power wrench |
05/16/2012 | CN102458772A Impact wrench |
05/16/2012 | CN101516576B Impact wrench with a lubrri cated impact mechanism |
05/15/2012 | US8176816 Wrench |