| 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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| 05/26/2010 | CN201483434U Brushless electric screwdriver electromagnetic induction type automatic shutdown structure |
| 05/26/2010 | CN201483432U Adjustable quick-disassembling locking device for thread inserts |
| 05/26/2010 | CN201483431U Synchronous tightening tool for expand sleeve |
| 05/26/2010 | CN201483429U Energy storage revising knife |
| 05/26/2010 | CN201483037U Electric tool |
| 05/26/2010 | CN101296783B Air pressure type screw nail infiltrating device |
| 05/26/2010 | CN101204742B Drill/driver |
| 05/25/2010 | US7721867 Rotation output device |
| 05/20/2010 | WO2010057158A2 Tool bit exchange system and method |
| 05/20/2010 | WO2010054916A1 Switchable planetary gear set in a handheld machine tool |
| 05/20/2010 | DE102008056880A1 Handwerkzeugmaschine mit einem in einem Getriebegehäuse angeordneten schaltbaren Schaltgetriebe Hand machine tool with a arranged in a gear housing switchable transmission |
| 05/20/2010 | DE102006048563B4 Schlagschraubergerät mit Stiftschlagwerk und Drehmomentbegrenzung Impact wrench with pin hammer mechanism and torque limiter |
| 05/19/2010 | CN201475111U Detachable hydraulic close-fitting bolt |
| 05/19/2010 | CN201471351U Split type automatic nail introducer with clutch equipment |
| 05/19/2010 | CN201471347U Air intake and exhaust device of handle body of pneumatic tool |
| 05/19/2010 | CN201471345U Electric screwdriver |
| 05/19/2010 | CN201471344U Unscrewed screw fastening device |
| 05/19/2010 | CN201471343U Pneumatic wrench |
| 05/19/2010 | CN201471342U Dedicated assembling tool for stud bolts |
| 05/19/2010 | CN201471341U Electric screwdriver with illuminating device |
| 05/19/2010 | CN101708602A Electric device special for assembly of valve body and valve cover of gate valve |
| 05/19/2010 | CN101708601A Pneumatic impact wrench |
| 05/18/2010 | US7717014 Torque drive for making oil field connections |
| 05/13/2010 | US20100116519 Power screwdriver |
| 05/12/2010 | EP2184135A1 Fastening tool |
| 05/12/2010 | EP2183741A1 Drum tuning device |
| 05/12/2010 | DE202009015446U1 Reaktionskraft-Adapter für kraftgetriebene Drehmomentwerkzeuge Reaction force adapter for power-driven torque tools |
| 05/12/2010 | CN201455885U Motorcycle steering column nut adjusting gun head |
| 05/12/2010 | CN201455881U Vehicle electric tool with safety device |
| 05/12/2010 | CN201455880U Nut locking device for airborne roofbolter |
| 05/12/2010 | CN201455879U Floating-type electric torque wrench device |
| 05/12/2010 | CN201455349U Self-locking device as well as electric drill and electric screw driver provided with same |
| 05/12/2010 | CN1672879B Impact wrench having an improved anvil to square driver transition |
| 05/12/2010 | CN101704232A Electric screwdriver screw feed device |
| 05/06/2010 | WO2010048889A1 A speed changing tool |
| 05/06/2010 | US20100107824 Power wrench with swivelling gear casing |
| 05/05/2010 | CN201446513U Vertical coke-oven fire-door screw tightening device |
| 05/05/2010 | CN1785602B Hand power tool with a clutch |
| 05/05/2010 | CN101700649A Iron tower flange and foundation bolt securing device |
| 05/04/2010 | US7709990 Power wrench |
| 04/29/2010 | WO2009102082A3 Electric rotating tool |
| 04/29/2010 | US20100101815 Jumbo hammer clutch impact wrench |
| 04/29/2010 | US20100101381 Power screwdriver |
| 04/28/2010 | CN1607072B 多轴临时紧固工具 Multiaxial temporary fastening tool |
| 04/27/2010 | US7703330 Power tool |
| 04/22/2010 | WO2010045083A1 Quick-change socket and hex key retainer assembly for a fastener installation tool |
| 04/22/2010 | WO2010043449A1 Hand-held power tool having automatic spindle locking |
| 04/22/2010 | US20100096155 Impact Tool |
| 04/22/2010 | US20100096151 Portable power tool with wireless communication with a stationary control unit |
| 04/21/2010 | CN201439696U Embedded-type bailing oil production well anti-theft wellhead cap and wrench specially used therefor |
| 04/21/2010 | CN201439191U Shock resistance tool and tool head driving tool |
| 04/21/2010 | CN1927545B Chucking mechanism of dynamic clamp head capable of not damaging tube |
| 04/21/2010 | CN101695830A Hydraulic impact wrench |
| 04/21/2010 | CN101695829A Hydraulic torque wrench |
| 04/20/2010 | US7698969 Nut runner mounting structure |
| 04/15/2010 | WO2010041600A1 Electric tool |
| 04/15/2010 | DE102009027643A1 Handwerkzeugmaschinenvorrichtung Hand machine tool device |
| 04/14/2010 | CN201437226U Charging type screwdriver |
| 04/14/2010 | CN201437220U multifunctional pliers |
| 04/14/2010 | CN101693361A Full-automatic accessory screwdriver |
| 04/13/2010 | US7697826 Hand-guided or stationary power tool having a drive unit |
| 04/08/2010 | DE102008042652A1 Elektrowerkzeug und Verfahren zum Betreiben eines Elektrowerkzeugs Power tool and method for operating a power tool, |
| 04/08/2010 | DE102008006977B4 Setzgerät Setting tool |
| 04/07/2010 | EP2171294A2 Carrier strip system and method for different diameter fasteners |
| 04/07/2010 | CN101691030A Railway multifunctional railway electric wrench |
| 04/07/2010 | CN101691029A Double-impact clutch hammering device for pneumatic tools |
| 04/07/2010 | CN101157209B Portable vehicle mounted dualpurpose wrench |
| 04/01/2010 | WO2010034563A1 Hand-held power tool comprising a shiftable gearbox |
| 04/01/2010 | DE10339943B4 Steckhülsenkupplungssystem einer Steckschlüsselverlängerung The socket coupling system a socket wrench extension |
| 04/01/2010 | DE102008049816A1 Screw element screwing device, has transmitting device for sending signals, which are characterized for physical properties of screw element, and receiving device provided for receiving transmitted signals |
| 03/31/2010 | EP2168725A1 Rotary impact tool |
| 03/31/2010 | EP2168724A1 Hybrid Impact Tool |
| 03/31/2010 | CN201432268Y Portable electric spanner |
| 03/31/2010 | CN201432261Y Tool for dismounting eccentric wheel type threaded stud |
| 03/31/2010 | CN101683733A Engaging and disengaging gear of electric tool |
| 03/31/2010 | CN101683730A Striking cylinder combined device |
| 03/25/2010 | US20100071924 Impact wrench with a lubricated impact mechanism |
| 03/25/2010 | US20100071922 Rotary tool having a manual ratchet mechanism |
| 03/25/2010 | DE202008017689U1 Planetengetriebe für ein Elektrohandwerkzeuggerät sowie Elektrohandwerkzeuggerät Planetary gear for an electric hand tool and electric hand tool |
| 03/25/2010 | DE102008047593A1 Tool for use with compressed-air drive, particularly impact wrench device for screwing and unscrewing screw or nut, has inlet valve for compressed air arranged in tool housing, and is operated by handle |
| 03/24/2010 | EP2164680A1 Torque sensing unit for a power tool and a power tool comprising such a torque sensing unit |
| 03/24/2010 | CN101678537A Rotary power tool operable in a first speed mode and a second speed mode |
| 03/24/2010 | CN101676072A Screw automatic feeding device of electric screw driver |
| 03/23/2010 | US7681661 Electric power tool |
| 03/23/2010 | CA2568540C Reversible drill and drive tool ii |
| 03/18/2010 | WO2010028924A1 Hand-held power tool having a switchable mechanism |
| 03/18/2010 | US20100067996 Depth adjustment device for power tool |
| 03/18/2010 | US20100065293 Method for operating an electrical power tool, and a drive unit for an electric power tool |
| 03/18/2010 | US20100064864 Double Hammer Clutch Impact Wrench |
| 03/18/2010 | DE10348517B4 Schraubgerät Screwdriving |
| 03/18/2010 | DE102008042033A1 Handwerkzeugmaschine mit einer schaltbaren Mechanik Hand tool with a switchable mechanics |
| 03/17/2010 | CN201423594Y Output type switching device |
| 03/17/2010 | CN201423593Y Air-operated spanner preventing motor from shift deadlocking |
| 03/17/2010 | CN201423592Y Electric screwdriver |
| 03/17/2010 | CN101670452A Power tool |
| 03/16/2010 | CA2589447C Power hand tool |
| 03/11/2010 | US20100059240 Method for tightening a screw connection and screw driving tool |
| 03/11/2010 | DE102008053329A1 Automatische Schraubenzuführvorrichtung für einen elektrischen Schraubenzieher Automatic Schraubenzuführvorrichtung for an electric screwdriver |
| 03/10/2010 | EP2160271A1 Hybrid impact tool |
| 03/10/2010 | CN201419374Y Cabinet door opening handle |