| 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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| 08/03/2011 | EP2349648A1 Quick-change socket and hex key retainer assembly for a fastener installation tool |
| 08/03/2011 | CN201913589U 电动软传动螺丝刀 Electric Soft Drive Screwdriver |
| 08/03/2011 | CN201913588U 带螺钉手托的电动螺丝刀 Satisfy the electric screwdriver with screw |
| 08/03/2011 | CN201913587U 电动套筒扳手 Electric socket wrench |
| 08/03/2011 | CN102139477A Screw tightening diagnostic device and electric driver |
| 08/03/2011 | CN101604169B Torsion control circuit of electric mallet type screw wrench |
| 08/03/2011 | CN101342693B Power tool |
| 08/03/2011 | CN101288950B Multifunctional power tool |
| 08/03/2011 | CN101163571B Impact mechanism for impact wrench |
| 08/02/2011 | US7987922 Automatic gear shifting power tool |
| 07/28/2011 | WO2011089766A1 Power tool |
| 07/28/2011 | WO2011013853A3 Impact tool |
| 07/28/2011 | DE102006041573B4 Verbindungsstangenvorrichtung Tie-rod device |
| 07/27/2011 | CN102137737A Power tool gear device |
| 07/21/2011 | WO2011085907A1 Portable power wrench with torque sensor on drive spindle |
| 07/20/2011 | EP2345496A1 Tool holder |
| 07/20/2011 | CN201900604U Novel pneumatic wrench |
| 07/20/2011 | CN201900603U Direction-changing hollow automatic wrench |
| 07/20/2011 | CN102131620A Switchable gear in a hand-held power tool |
| 07/20/2011 | CN102126192A Turning hollow automatic spanner |
| 07/19/2011 | CA2728526A1 Clip guide installation apparatus |
| 07/18/2011 | CA2690029A1 Magnetic bracket for holding "a multi-bit dual-mode screwdriver for either manual or powered actuation" |
| 07/14/2011 | DE102010009712A1 Verfahren zum Anziehen einer Schraubverbindung unter Längung der Schraube A method of tightening a screw under elongation of the bolt |
| 07/13/2011 | EP2342050A1 Hand-held power tool comprising a shiftable gearbox |
| 07/13/2011 | CN201895294U Automatic screwdriver |
| 07/13/2011 | CN201895293U Portable and safe electric screwdriver |
| 07/13/2011 | CN201895292U Improved electric screwdriver |
| 07/13/2011 | CN201895291U Electric folding screwdriver |
| 07/07/2011 | US20110162858 Method and system for the traceability of a tool vibratory charge and tool for use with the system |
| 07/06/2011 | EP2139645B1 Power screwdriver |
| 07/06/2011 | CN201889781U Loading/unloading tool |
| 06/30/2011 | DE102009060929A1 Hand tool has housing, drive motor and motor shaft, which is accommodated in housing, where motor shaft is coupled with drive shaft, and gear and switching device are coupled by switching spring |
| 06/29/2011 | EP2338647A2 Hybrid impact tool with two-speed transmission |
| 06/29/2011 | EP2338642A2 Handheld tool |
| 06/29/2011 | CN201881326U Impact mechanism for electric tools |
| 06/29/2011 | CN201881324U Impact type gas trigger |
| 06/29/2011 | CN102107424A Hand-guided power tool having a torque coupling |
| 06/29/2011 | CN102107422A Hook for electric power tools and electric power tool equipped with the hook |
| 06/29/2011 | CN101407053B Power tool |
| 06/29/2011 | CN101062560B Electric tool |
| 06/28/2011 | US7966914 Screwdriver handle |
| 06/28/2011 | CA2619977C Power tool |
| 06/28/2011 | CA2401243C Multi-functional fastener driver device |
| 06/23/2011 | US20110147029 Hand-guided power tool having a torque coupling |
| 06/23/2011 | US20110147025 Power tool having an impact mechanism |
| 06/23/2011 | US20110147021 Handheld power tool, in particular cordless handheld power tool |
| 06/22/2011 | EP2335881A1 Power tool having an impact mechanism |
| 06/22/2011 | EP2334473A1 Hand-held power tool having automatic spindle locking |
| 06/22/2011 | EP2334472A1 Hand-held power tool having a switchable mechanism |
| 06/22/2011 | DE102009054931A1 Handgeführtes Elektrowerkzeug mit einer Drehmomentkupplung Hand-held power tool with a torque clutch |
| 06/22/2011 | DE102009054927A1 Handwerkzeugmaschine, insbesondere Akkuhandwerkzeugmaschine Hand tool, in particular battery power tool |
| 06/22/2011 | DE102009054923A1 Handwerkzeugmaschine Hand tool |
| 06/22/2011 | CN201876739U Torque force control circuit for automatic screwing equipment |
| 06/22/2011 | CN201872125U Multifunctional folding electric screwdriver |
| 06/22/2011 | CN102101283A Hand-held power tool |
| 06/21/2011 | US7963195 Powered ratchet assembly |
| 06/21/2011 | US7963194 Screw fastener |
| 06/16/2011 | US20110140376 Dual Size Tool-Bit Holder |
| 06/16/2011 | US20110139474 Pneumatic impact tool |
| 06/16/2011 | US20110139473 Power tool having clutch device |
| 06/16/2011 | US20110139471 Method for operating a power tool having a clutch device |
| 06/16/2011 | DE102009054636A1 Handwerkzeugmaschine Hand tool |
| 06/16/2011 | DE102009047698A1 Hand tool machine comprises driving motor which is coupled with tool holding device over drive that comprises coupling device, where driving motor comprises switch |
| 06/15/2011 | EP2331296A1 Power tool gear device |
| 06/15/2011 | CN201863184U Electric fixture capable of automatically limiting depth of screws |
| 06/15/2011 | CN201863165U Electric screwdriver head with sleeve |
| 06/15/2011 | CN102092025A Power tool having impact mechanism |
| 06/15/2011 | CN102092024A Power tool |
| 06/09/2011 | WO2011067066A1 Hand-held power tool |
| 06/09/2011 | US20110132630 Screw fastening device and torque sensor |
| 06/09/2011 | US20110132148 Nut screwing device |
| 06/09/2011 | DE202011004847U1 Schraubersystem Screwdriver System |
| 06/09/2011 | DE202011003748U1 Schraubsystem Tightening System |
| 06/09/2011 | DE102009047443A1 Handwerkzeugmaschine Hand tool |
| 06/08/2011 | EP2329912A1 Apparatus for screwing nuts |
| 06/08/2011 | EP2328721A1 An apparatus for tightening a fastener having a safety device |
| 06/08/2011 | EP1404491B1 Pressure-operated power screwdriver having a measuring section |
| 06/08/2011 | CN201856212U Electric-manual multifunctional wrench |
| 06/08/2011 | CN201856211U Multifunctional electric screwdriver |
| 06/08/2011 | CN201856210U Electric screw driver suitable for close obstacle operation |
| 06/08/2011 | CN201856209U Hydraulic wrench |
| 06/08/2011 | CN1945049B Hand-held power tool |
| 06/08/2011 | CN102085648A Electric screw driver capable of detecting correct locking of screw |
| 06/08/2011 | CN101641186B Impact tool |
| 06/08/2011 | CN101259608B Bolt beating machine |
| 06/08/2011 | CN101143435B Torque tool for tightening or loosening connections, and method of tightening or loosening the same |
| 06/02/2011 | US20110126676 Power ratchet assembly |
| 06/01/2011 | DE102010026502A1 Vorrichtung zum Drehen einer unzugänglich angeordneten Schraube Means for rotating a screw arranged inaccessible |
| 06/01/2011 | CN102079073A Rotor for pneumatic trigger |
| 06/01/2011 | CN101318319B Electric tool |
| 05/31/2011 | US7950309 Power-driven torque intensifier |
| 05/26/2011 | DE112009001780T5 Vorrichtung zum Festziehen eines Befestigungselements mit einer Sicherheitseinrichtung Device for tightening a fastener with a safety device |
| 05/25/2011 | CN201841509U Variable diameter electric socket wrench |
| 05/25/2011 | CN201841508U Electric screwdriver suitable for operation in narrow space |
| 05/25/2011 | CN101590632B Screw driver |
| 05/17/2011 | US7942084 Powered driver and methods for reliable repeated securement of threaded connectors to a correct tightness |
| 05/12/2011 | US20110107881 Pneumatic impulse wrench with operation control means |
| 05/12/2011 | DE102008042436B9 Reaktionsarm für kraftbetriebenen Drehmomentverstärker Reaction arm for power-driven torque amplifier |
| 05/11/2011 | EP2318184A1 Switchable gear in a hand-held power tool |
| 05/11/2011 | CN102056714A Power tool |