| 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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| 08/22/2002 | US20020112868 Hydraulic unit with increased torque |
| 08/22/2002 | US20020112867 Air passage shifting device for a pneumatic tool |
| 08/21/2002 | EP0873213A4 Drill bit adaptor tool |
| 08/21/2002 | CN2506402Y 12伏车用电动扳手 12-volt vehicle electric wrench |
| 08/20/2002 | US6435285 Structure for enhancing torque output of electric drill |
| 08/20/2002 | US6435060 Ratchet wrench |
| 08/15/2002 | US20020108995 Fastener driving tool having improved bearing and fastener guide assemblies |
| 08/14/2002 | EP1030762B1 Motor-driven screw driver |
| 08/14/2002 | CN2505240Y Electric wrench |
| 08/14/2002 | CN1089052C Auxiliary device for nailing fastening piece for turning nailing tool |
| 08/14/2002 | CN1089051C Power tool and method for making parts act relative movement |
| 08/13/2002 | US6431846 Reversible pneumatic motor assembly |
| 08/13/2002 | US6431289 Multi-speed power tool transmission |
| 08/08/2002 | WO2002060651A1 Motor-driven rotary tool with internal heating temperature detecting function |
| 08/07/2002 | CN2504042Y Screw article locking device |
| 08/06/2002 | US6427559 Universal power tool |
| 08/06/2002 | US6427558 Reaction cam |
| 08/01/2002 | WO2002059500A1 Multispeed power tool transmission |
| 08/01/2002 | WO2002059491A2 First stage clutch |
| 08/01/2002 | WO2002058891A1 Housing with functional overmold |
| 08/01/2002 | US20020100346 Self-locking fastener system and process |
| 08/01/2002 | CA2811256A1 Multispeed power tool transmission |
| 07/31/2002 | EP1226902A2 Twin lobe impact mechanism |
| 07/31/2002 | EP1226901A2 Fastener driving tool with fastener guide assemblies |
| 07/31/2002 | EP1226900A2 Bearing and fastener guide assemblies for fastener driving tool |
| 07/25/2002 | WO2002057434A2 Device for screwing in fastening elements |
| 07/25/2002 | US20020098938 First stage clutch |
| 07/25/2002 | US20020096343 Multispeed power tool tranmission |
| 07/25/2002 | US20020096342 360 degree clutch collar |
| 07/25/2002 | US20020096341 Housing with functional overmold |
| 07/25/2002 | US20020096020 Nut driver |
| 07/25/2002 | DE10152295A1 Drill with point used for drilling and screwing has point designed to match form of recess in head of screw |
| 07/25/2002 | DE10102705C1 Fixing element screwing device has anti-turn bolt for plastic holder fitted on stop surface on free end of screwing device |
| 07/25/2002 | DE10102704C1 Fixing element screwing device has screwing device, holding device, anti-turn lock and screwdriver made as one unit |
| 07/25/2002 | DE10102703C1 Fixing element screwing in device has screwing device and holding device for fixing element, with screw device driven by screwdriver |
| 07/25/2002 | DE10102690C1 Screwing in device, for fixing elements, has holding device with mandrel operated by screwing device |
| 07/23/2002 | US6424799 Electrical power tool having a motor control circuit for providing control over the torque output of the power tool |
| 07/18/2002 | US20020094907 Gear assembly for a power tool |
| 07/18/2002 | DE10127821C1 Electric screwdriver operating device uses bidirectional radio transmission link between control and base station each provided with microcontroller |
| 07/17/2002 | EP1223007A1 Hydraulic impulse drive unit with spindle with radially retractable blades for increase of torque |
| 07/17/2002 | CN2500435Y 液压工具 Hydraulic Tools |
| 07/11/2002 | WO2002053319A2 Rotational power transfer device |
| 07/10/2002 | EP0941153B1 Rotary impact tool with involute profile hammer |
| 07/10/2002 | CN2499179Y Screw driver |
| 07/04/2002 | WO2002051596A2 Vibration isolated impact wrench |
| 07/04/2002 | US20020084086 Reverse apparatus for air impact wrench |
| 07/03/2002 | CN2497934Y Radiator of electric screw driver |
| 07/03/2002 | CN2497933Y Hydraulic spanners |
| 07/03/2002 | CN1356198A Automatic screw driver |
| 06/27/2002 | WO2002020221A3 Pneumatic rotary tool |
| 06/25/2002 | US6408720 Offset hydraulic runner apparatus |
| 06/20/2002 | US20020073808 Housing for a power tool |
| 06/19/2002 | EP1215015A2 Method and device for interrupting the feeding movement |
| 06/19/2002 | EP1214177A2 Spring loaded drive gun |
| 06/19/2002 | CN1354058A 电动工具 Power Tools |
| 06/13/2002 | US20020069730 Torque tool assembly |
| 06/13/2002 | DE10061830A1 Interrupter for movement of building prop has laser beam sensors to detect preset required position and stop movement |
| 06/12/2002 | EP1213096A1 Power-driven ratchet |
| 06/11/2002 | US6401572 Torque tool |
| 06/06/2002 | DE10059186A1 Motor-operated unidirectional output device for fitting between an electrically operated tool's main shaft and a power source has swivel seating, flexible rubbery disk seatings, locking seating, locking rollers and a fixing ring |
| 06/06/2002 | DE10042701C1 Power screw driver, for screwing in screws without pre-drilling, has magazine of screws and axially movable threaded spindle rotated by spindle nut and with screwing tool axially displaceable in drive-in channel |
| 06/05/2002 | EP1211030A2 Portable tool connected to an operation controlling and/or monitoring unit via a cable |
| 06/05/2002 | EP1210212A1 Fastener system with spline recess and driving tool |
| 05/29/2002 | EP1208946A1 Reading method of screw rotation angle of hand-held impact wrench, hand-vibration detection method, tightening evaluation method and control method of hand-held power screw loosening tool |
| 05/29/2002 | DE10056505A1 Setting tool for e.g. roofing screws with washers has screw holder with contact with magnet for contact-free holding of screws |
| 05/28/2002 | US6394715 Rotary tool holder |
| 05/23/2002 | US20020060082 Impact power tools |
| 05/22/2002 | EP1207016A2 Impact power tools |
| 05/21/2002 | US6390205 Power tool system with programmable control unit |
| 05/16/2002 | US20020056557 Pneumatic tool and system for applying torque to fasteners |
| 05/08/2002 | DE10047312A1 Steuerbares Planetengetriebe Taxable planetary gear |
| 05/07/2002 | US6382636 Drill/driver chuck |
| 05/07/2002 | US6382059 Torque wrench system |
| 05/02/2002 | WO2002034438A2 Drill, screw and set comprising drill and screw |
| 05/02/2002 | EP0809558B1 Gear shifting power tool |
| 05/01/2002 | CN1346948A Controllable planetary transmission |
| 04/30/2002 | US6378623 Torque control type impact wrench |
| 04/24/2002 | EP1199131A2 Air impact driver |
| 04/24/2002 | CN2487504Y Portable electric wrench |
| 04/24/2002 | CN1083318C Fastener collation tube for stand-up fastener driving tool |
| 04/18/2002 | US20020043386 Air impact driver |
| 04/17/2002 | EP1197298A2 Fastening device |
| 04/16/2002 | US6370987 Apparatus and method for precisely controlling angular displacement of a socket |
| 04/11/2002 | US20020040797 Adjustable-length end piece for a fastener drive tool |
| 04/11/2002 | US20020040627 Screw feeding device for a power screw driving tool |
| 04/11/2002 | DE10050281A1 Schraubvorrichtung Screwing |
| 04/03/2002 | CN2484152Y Screw dismounting tool of torsion shaft consisting of flexible shaft |
| 04/03/2002 | CN1343158A Reading method of screw rotation angle of hand-held impact wrench, hand-vibration detection method, tighteming evaluation method and control method of hand-held power screw loosensing tool |
| 03/28/2002 | US20020037785 Controllable planetary gear |
| 03/27/2002 | EP1191255A1 Variable planetary power transmission apparatus |
| 03/27/2002 | CN1341506A Pluse torque generator for hydraulic wrench |
| 03/27/2002 | CN1081514C Rotary tod with speed variating mechanism |
| 03/14/2002 | WO2002020222A1 Electrical wrench |
| 03/14/2002 | WO2002020221A2 Pneumatic rotary tool |
| 03/14/2002 | WO2002020220A1 Reversible ratchet head assembly |
| 03/14/2002 | DE10043425A1 Dowel-driver has drill and holder-bolt |
| 03/13/2002 | EP1186381A1 Ratchet wrench |
| 03/12/2002 | US6354178 Impact fan clutch wrench |
| 03/12/2002 | US6354177 6-in-1 rotary tool |
| 03/07/2002 | WO2001056749A3 Hand-held pneumatic rotary drive device having an adjustable air exhaust |