| 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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| 12/09/2009 | CN101596706A Rechargeable screw driver |
| 12/09/2009 | CN100566947C Rotary tool |
| 12/08/2009 | US7628220 Impact motorized wrench |
| 12/08/2009 | US7628098 Remote operated closed-end wrench |
| 12/08/2009 | US7628097 Bolt-tightening tool |
| 12/03/2009 | US20090294145 Screw driver |
| 12/02/2009 | EP2127823A1 Spring clutch mechanism in screw driver |
| 12/02/2009 | EP2127812A1 Device for detecting load torque on electric motor |
| 12/02/2009 | EP2127811A1 Screw driver |
| 12/02/2009 | EP2125297A1 Screwing/unscrewing device with parallelepiped selector |
| 12/02/2009 | CN101590632A Screw driver |
| 12/02/2009 | CN100564939C Power tool |
| 12/02/2009 | CN100563944C Portable hand-held tool driven by IC engine |
| 11/25/2009 | CN201350613Y Striking group for pneumatic tool |
| 11/25/2009 | CN201350612Y Combined type screw gun |
| 11/25/2009 | CN101585176A Special electric spanner for roller brush |
| 11/25/2009 | CN100562407C Rotating output device |
| 11/19/2009 | WO2009139683A1 Pneumatic impulse wrench with operation control means |
| 11/18/2009 | CN100560258C Fast change bit holder device |
| 11/17/2009 | CA2404336C A wrench for use with drilling apparatus |
| 11/12/2009 | WO2009136840A1 Method and device for tightening joints |
| 11/12/2009 | WO2009136666A1 Oil pulse tool |
| 11/12/2009 | WO2009136664A1 Oil pulse tool |
| 11/11/2009 | EP2116331A2 Cordless motor assisted torque wrench |
| 11/11/2009 | EP2114623A1 Screwing tool |
| 11/11/2009 | EP2114622A1 Pneumatic rotary tool including means for controlling the inversion of the engine rotation direction, and pneumatic assistance means for said control |
| 11/11/2009 | CN101578159A Device for detecting load torque on electric motor |
| 11/11/2009 | CN101575987A Motor assembly for pneumatic tool |
| 11/11/2009 | CN100558512C Electric spanners |
| 11/10/2009 | US7614459 Slip clutch with two-action drive system activation |
| 11/10/2009 | CA2432512C Power tools |
| 11/04/2009 | EP2113341A2 Pneumatic electric screwdriver |
| 11/03/2009 | CA2412817C Torque wrench |
| 10/29/2009 | DE202009009246U1 Vorrichtung zum Drehen einer unzugänglich angeordneten Schraube Means for rotating a screw arranged inaccessible |
| 10/28/2009 | CN201333680Y Electric screw driver |
| 10/28/2009 | CN201333673Y Internal combustion electric transmission mechanical wrench |
| 10/28/2009 | CN101566186A Screw |
| 10/28/2009 | CN100553888C Impact motorized wrench |
| 10/22/2009 | US20090264896 Instrument for assembling a bone anchoring device |
| 10/22/2009 | US20090260466 Rotation output device |
| 10/21/2009 | EP2110205A2 Method and device for controlling a hydraulically operated power screwdriver |
| 10/21/2009 | EP2109516A1 Power wrench wi th swivelling gear casing |
| 10/21/2009 | EP1250580B1 Impact tool control method and apparatus and impact tool using the same |
| 10/21/2009 | CN201329567Y Novel electric wrench |
| 10/21/2009 | CN100551630C Method for operating a disengagable screwdriver, and a disengagable screwdriver |
| 10/21/2009 | CN100551629C Depth limiting device |
| 10/15/2009 | US20090255698 Method and apparatus for self-aligning swivel foot power feed drill |
| 10/14/2009 | EP1377755B1 First stage clutch |
| 10/14/2009 | CN201325016Y Power driven and manual operated double-duty adjustable wrench |
| 10/14/2009 | CN101554718A Electric power tool |
| 10/14/2009 | CN100549439C Washer, fastener provided with a washer, method of and power tool for fastening objects |
| 10/13/2009 | US7600449 Power adjustable wrench |
| 10/08/2009 | US20090250923 Unit With At Least Two Hydraulic Connections Fastened To It |
| 10/08/2009 | US20090250857 Tooling system |
| 10/08/2009 | CA2719349A1 Wind power plant having multiple construction sections |
| 10/07/2009 | EP2106884A2 Automatic gear shifting power tool |
| 10/07/2009 | CN201320736Y Shock screw driver |
| 10/07/2009 | CN201320735Y Hobnail rotator |
| 10/07/2009 | CN101549491A Automatic gear shifting power tool |
| 10/01/2009 | US20090248029 Interference screw driver assembly and method of use |
| 10/01/2009 | US20090242226 Automatic gear shifting power tool |
| 10/01/2009 | US20090241744 Tightening tool and tightening tool management system |
| 10/01/2009 | US20090241739 Hand tool with detachable structure for removing a head portion from handle |
| 10/01/2009 | DE202009010391U1 Pneumatisches Werkzeug mit stufig verstellbarem Drehmoment Pneumatic tool with stage adjustable torque |
| 09/30/2009 | EP2104592A1 Portable power tool with wireless communication with a stationary control unit |
| 09/30/2009 | CN201316968Y Ratchet spanner structure improvement |
| 09/30/2009 | CN101543984A Impact tool |
| 09/30/2009 | CN101543983A Centrifugal electric spanner structure |
| 09/30/2009 | CN101543982A Electric program-controlled assembly wrench |
| 09/29/2009 | US7595601 Electric bolt/nut fastener |
| 09/28/2009 | CA2627732A1 Screw driving device |
| 09/24/2009 | WO2009116924A1 Apparatus for the streamlined fitting/driving home of fastening elements |
| 09/24/2009 | WO2009115268A1 Tool having a feeding motion and/or torque transmitting device |
| 09/23/2009 | EP2103390A2 Electric power tool with switching member for selecting one operation mode among various operation modes |
| 09/23/2009 | EP1675708B1 Battery-driven screwdriver with a two-part motor housing and a separate, flanged gear unit |
| 09/23/2009 | CN201313294Y Power transmission connector of electric wrench |
| 09/23/2009 | CN201313293Y Fully-automatic direct current brushless electric screw driver |
| 09/17/2009 | WO2009112517A1 Hydraulic pressure supply unit for a power screwdriver |
| 09/17/2009 | US20090229846 Screw Driving Device and Screw |
| 09/16/2009 | CN101530994A Electrical power tools |
| 09/16/2009 | CN101530991A Impact tool |
| 09/16/2009 | CN100540930C Slaving and blocking device |
| 09/15/2009 | US7588096 Cordless fastener tool with fastener driving and rotating functions |
| 09/15/2009 | US7587964 Pneumatic power wrench with pre-set torque levels |
| 09/10/2009 | US20090223326 Fluid operated torque tool for and a method of tightening a nut on a plate on railroad crossings |
| 09/09/2009 | CN201304625Y Hydraulic spanner automatic control device |
| 09/09/2009 | CN101524835A Screwdriver structure |
| 09/09/2009 | CN100539389C Handheld or stationary power tool and operation method for its drive unit |
| 09/03/2009 | WO2009107613A1 Portable electrical power tool |
| 09/03/2009 | DE102008000470A1 Handwerkzeugmaschine Hand tool |
| 09/02/2009 | EP1929163B1 Threaded bush, method for renewing a screw thread and tool used for that purpose |
| 09/02/2009 | CN201300388Y Quick-speed screwing device |
| 09/02/2009 | CN100534726C Pulse torque generator and power tool having the same |
| 08/27/2009 | WO2009105008A1 Power nutrunner with a power transmitting gearing and rotation sensing means and method for determining the status |
| 08/27/2009 | DE102008010136A1 Portable, hand-operated electric machine has working spindle for operating tool, where electric motor operates working spindle by gear arrangement which has automatic transmission for changing transmission ratio |
| 08/26/2009 | EP2092219A1 Static/dynamic shaft seal |
| 08/26/2009 | CN201295893Y Cup head bolt joint |
| 08/26/2009 | CN201295892Y Electric screw driver |
| 08/26/2009 | CN201295891Y Air hydraulic riveter structure |
| 08/26/2009 | CN101516577A Hand-held machine tool |