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)
11/2012
11/07/2012CN202517459U Impact mechanism for electric tool
11/07/2012CN202517418U Self-locking screw chuck
11/07/2012CN102770243A Power tool
11/07/2012CN102770242A Power tool
11/07/2012CN102770241A Impact tool
11/07/2012CN102765073A Torque output mechanism of electric spanner with fixed torque
11/07/2012CN102765072A Hydraulic wrench
11/01/2012WO2012149023A1 Electric ratchet for a powered screwdriver
11/01/2012US20120273242 Trigger profile for a power tool
11/01/2012CA2834582A1 Electric ratchet for a powered screwdriver
10/2012
10/31/2012EP2517835A2 Power tool
10/31/2012EP2517834A2 Fastener, installation tool and related method of use
10/31/2012EP2517833A1 Structure for prevention of falling-off of socket in motorized tool
10/31/2012DE102011018991A1 Impact screw driver for screwing and unscrewing wheel nut in e.g. motor sports vehicle, has slider forming connection between connection part and rotor and rotating rotor along opposing direction, where actuation unit moves slider
10/31/2012DE102011018990A1 Impact wrench used for screwing and unscrewing of nuts, for changing wheels on motor vehicles used for motorsport, has slider moved between end portions of valve housing by the permanent magnets set facing the end faces of slider
10/31/2012DE102011017671A1 Handwerkzeugmaschine Hand tool
10/31/2012CN202507216U Tightening device
10/31/2012CN102756352A Handheld power device
10/31/2012CN102756351A Electric impact wrench
10/31/2012CN102756350A Hydraulic wrench device
10/31/2012CN101939141B Power nutrunner with a power transmitting gearing and rotation sensing means and method for determining the status
10/26/2012WO2012144737A2 Device for manufacturing screw assembly
10/26/2012WO2012143532A1 Electric impact screwdriver
10/26/2012WO2012143333A1 Device for tightening or loosening a nut
10/25/2012DE102011007648A1 Hand tool machine has transmission that is provided for driving drive shaft and is driven by engine, where transmission is switched between two gears over semi-automatic transmission switching device in operation of hand tool machine
10/24/2012EP2514564A1 Device for tightening or loosening a nut
10/24/2012CN102753310A Impact tool
10/24/2012CN102748433A Variable speed transmission for a power tool
10/24/2012CN102744701A Tool bit of combined electric screw driver
10/24/2012CN102744700A Impact ratchet wrench
10/24/2012CN102744557A Assembly method for screw nut cover of automobile oil tank
10/23/2012US8292304 Dual size tool-bit holder
10/17/2012EP2509752A1 Impact tool
10/17/2012CN102729225A Quick clamping mechanism
10/17/2012CN102729221A Percussion driver drill
10/17/2012CN102729220A Control method and hand tool machine
10/17/2012CN102729192A Electric screwdriver
10/17/2012CN102729190A Self-locking structure for socket of electronic wrench
10/17/2012CN102729189A Power tool
10/17/2012CN102729188A Assembly pneumatic device for passenger car chassis
10/16/2012US8286724 Impact tool
10/11/2012WO2012138011A1 Mini handheld electric driver using a decelerator
10/11/2012US20120255751 Wireless small motor driver having rotation reduction gear
10/11/2012DE102012004496A1 Drahtloser, kleiner Motorschraubendreher mit Drehreduktionsgetriebe Wireless, less power screwdriver with rotation speed reducer
10/10/2012EP2508302A1 Power tool
10/10/2012CN202480022U Novel pneumatic wrench
10/10/2012CN202480021U Electric screwdriver
10/10/2012CN202480020U Electric screwdriver device
10/10/2012CN101642902B Electric screw driver controller
10/09/2012US8281690 Indexable offset adaptor
10/08/2012DE202012103565U1 Spannvorrichtung zum Dehnen eines Gewindebolzens sowie hierfür geeignetes Werkzeug, vorzugsweise Antriebsadapter Clamping device for stretching a threaded bolt and suitable for this tool, preferably drive adapter
10/04/2012WO2012134472A1 Twist lock gear case for power tools
10/04/2012WO2012134469A1 Display assemblies having integrated display covers and light pipes and handheld power tools and methods including same
10/04/2012WO2012130236A1 A power tool adaptor and a reversible tool bit holder adapted for a power tool adaptor
10/03/2012CN202468628U Self-balancing large-diameter bolt and special motorized torque wrench device for same
10/03/2012CN202462316U Nut coil
10/03/2012CN202462315U Locking structure for tool bit of electric screw driver
10/03/2012CN202462314U Multi-head screwdriver
10/03/2012CN202462313U Alternating current electric wrench
10/03/2012CN202462312U DC electric wrench
10/03/2012CN202462311U Wrench assembly
10/03/2012CN202462310U Electric screwdriver
10/03/2012CN202462309U Tool used for applying torque to loosen or fasten fastener
10/03/2012CN102712086A Power tool
10/03/2012CN102705345A Unremovable bolt-type rivet and riveting operation method thereof during on-site construction
10/03/2012CN102699857A Electric horizontal sleeve spanner
10/02/2012US8276483 Hand-held power tool with a tool holder
09/2012
09/28/2012DE202012008347U1 Vorrichtung zum Ein- und Ausschrauben von Bolzen und Schrauben mittels eines motorisch betriebenen Schraubwerkzeuges Device for screwing and unscrewing the bolts and screws by means of a motor-driven screwing
09/28/2012DE202012008345U1 Schienenwagen zur Aufnahme eines motorisch betriebenen Schraubwerkzeuges Rail car to receive a motorized screwing
09/27/2012WO2012129212A1 Torque-angle structural fastening system
09/27/2012US20120241183 Power tool
09/27/2012CA2828676A1 Torque-angle structural fastening system
09/26/2012EP2503184A1 Multispeed power tool transmission
09/26/2012CN202448080U Electric screwdriver with lighting function
09/26/2012CN202448079U Electric screwdriver with torque display function
09/26/2012CN202448078U Internal combustion hydraulic bolt spanner for railway
09/26/2012CN202448077U Automatic screw machine
09/26/2012CN101683733B Engaging and disengaging gear of electric tool
09/20/2012WO2012123284A1 Method for rotating a rotatable part
09/20/2012US20120234139 Pneumatic ratchet wrench with a pneumatically actuated reversing device
09/20/2012DE102011013926A1 Verfahren zum Drehen eines drehbaren Teils A method for rotating a rotatable member
09/19/2012EP2500139A1 Pneumatic ratchet wrench with a pneumatically actuated reversing device
09/19/2012CN202438963U Torsion rotating device with torsional braid for controlling electric screw driver
09/19/2012CN202438960U Electric screw driver
09/19/2012CN202438959U Electric spanner with illuminating lamp
09/19/2012CN202438958U Pump special for high-precision intelligent hydraulic torque spanner
09/19/2012CN102684084A Electrified fastening device for bolt of transformer device
09/19/2012CN102672457A Part assembling tool with misloading prevention function and process method for assembling parts by using assembling tool
09/19/2012CN102179789B Jack hammer device
09/18/2012US8267190 Direction switching and speed controlling device for a pneumatic tool
09/13/2012DE102005014901B4 Pneumatische Schraubanlage und Verfahren zur Kontrolle eines Schraubvorgangs Pneumatic Schraubanlage and method for controlling a screwing
09/12/2012CN202428371U Semi-automatic wrench
09/12/2012CN202428370U Kit for large impact wrench
09/12/2012CN102666024A Hand-held power tool
09/11/2012US8261849 Jumbo hammer clutch impact wrench
09/06/2012US20120222876 Installation method for an expansion anchor and impact screwdriver for installing an expansion anchor
09/06/2012DE102011005079A1 Setzverfahren für einen Spreizanker und Schlagschrauber zum Setzen eines Spreizankers Setting method for an expansion anchor and impact wrenches for setting an expansion anchor
09/05/2012EP2495076A1 Method for setting a split anchor and screwdriver for setting a split anchor
09/05/2012EP2495075A2 Power tool
09/05/2012CN202412155U Clamping mouth capable of attracting screw onto screwdriver head for automatic screw machine
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