| 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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| 04/24/2001 | US6220368 Powered surgical instrument having locking systems and a clutch mechanism |
| 04/19/2001 | WO2000071299A3 Motorised screwdriver with an automatic system for loading screws or bolts |
| 04/18/2001 | EP1092896A1 Automatic variable transmission for a power tool |
| 04/18/2001 | EP1092511A1 Universal torque power tool |
| 04/18/2001 | EP0951377A4 Impact tool driver |
| 04/17/2001 | US6218746 Cordless multi-purpose high torque generating assembly |
| 04/12/2001 | DE19942603A1 Hand drill or screwdriver has further driven chuck for screwdriver on shaft at specified angle to longitudinal axis of bore shaft carrying drill chuck. |
| 04/11/2001 | CN1064293C Tool bit jointing device |
| 04/10/2001 | US6213224 Electric power tool with enhanced strength to axially-applied external force |
| 04/10/2001 | US6212763 Torque-turn system for a three-element sucker rod joint |
| 04/05/2001 | DE19951264A1 Machine tool has drive shaft, drive mechanism, axle, holder, housing, magazine, and coupling |
| 04/03/2001 | US6211591 Linear/rotary electromagnetic device |
| 04/03/2001 | US6209658 Motorized screw driving tool |
| 04/03/2001 | US6209422 Ratchet wrench |
| 03/29/2001 | CA2284352A1 Bolt and nut disassembling apparatus |
| 03/28/2001 | EP1086785A2 Fluid-operated tool |
| 03/28/2001 | EP0634965B1 Socket for turning a threaded connector by power tool |
| 03/27/2001 | US6205894 Automatic stop device for screw striking machine |
| 03/21/2001 | EP1084010A1 Method for driving an electric screwing device |
| 03/21/2001 | EP1008227A4 Linear/rotary electromagnetic device |
| 03/20/2001 | US6204592 Ultrasonic nailing and drilling apparatus |
| 03/15/2001 | DE19951606C1 Rotary tool e.g. hydraulic screwdriver has ratchet element cooperating with ratchet wheel when defined torque is reached |
| 03/15/2001 | DE19938707A1 Screwdriver has angled head for sander with first connection arrangement for of screwdriver drive motor output, second connection arrangement as shaft extending into and mounted in sander |
| 03/14/2001 | CN1287521A Clamping control device of hydraulic pulse |
| 03/14/2001 | CN1287520A Motor-driven screw driver |
| 03/14/2001 | CN1287043A Continuously rotating fluid-operated spanner |
| 03/13/2001 | US6199642 Reversible ratcheting power tool with synchronized motor and ratchet control |
| 03/13/2001 | US6199383 Pneumatic tool and air deflector boot therefor |
| 03/08/2001 | DE10022857A1 Knarre Rattle |
| 03/07/2001 | EP1080848A2 Intermediate piece for a screwdriver shaft |
| 03/07/2001 | EP1080847A2 Fastening device |
| 03/06/2001 | US6196943 Electric tool knob control apparatus |
| 03/06/2001 | US6196332 Rotational energy storage device and tools incorporating same |
| 02/28/2001 | EP1078718A2 Drilling and fastener driving tool |
| 02/28/2001 | CN1285251A Screwing tool for drilling and fastener |
| 02/21/2001 | CN2420088Y Electric drill base casing structure with cladding clamp |
| 02/20/2001 | US6189419 Stem structure for ratchet wrench |
| 02/20/2001 | US6189418 Multiple nut driver for computer assembly |
| 02/14/2001 | CN1283539A Fastener |
| 02/14/2001 | CN1283538A General purpose electric twisting tool |
| 02/13/2001 | US6186247 Drive assembly for an electric hand tool |
| 02/13/2001 | US6186035 Power-operated screw driving device |
| 02/13/2001 | CA2315993A1 Screw guide device with drill bit/screw bit and counter sink/drill stop means |
| 02/12/2001 | CA2315444A1 Drill and drive apparatus having arrangement to accommodate long drill bits |
| 02/07/2001 | CN1282650A Full-automatic electric gun |
| 02/01/2001 | DE19934588A1 Screw-type tool with positive adaptor for use in automobile industry |
| 01/31/2001 | EP1071865A1 Pneumatic tool and air deflector boot therefor |
| 01/31/2001 | EP1071544A1 Rotary drive tool-carrying machine with no reaction torque |
| 01/30/2001 | US6179063 Impulse wrench |
| 01/30/2001 | US6178853 Actuating device for an electrical power wrench |
| 01/25/2001 | WO2001005559A2 Improved power tools |
| 01/23/2001 | US6176654 Reversible drill/driver tool |
| 01/23/2001 | US6176162 Power-driven screwdriver with removable depth stop |
| 01/18/2001 | WO2000071303A3 Impulse wrench |
| 01/17/2001 | CN1280050A Electric tool with hand operate shaft lock |
| 01/16/2001 | US6173792 Power-driven screwdriver with torque-dependent release clutch |
| 01/10/2001 | EP1066930A2 Tool with manual spindle lock |
| 01/10/2001 | EP1066673A1 Cordless, high torque power tool |
| 01/10/2001 | CN2413861Y Electric driving spanner |
| 01/10/2001 | CN1279143A Electric tool for fastening and loosening screw connector |
| 01/09/2001 | US6170366 Power operated screwdriving device |
| 01/03/2001 | CN2412703Y Centrifugal electric wrench |
| 01/03/2001 | CN2412702Y 气动起子调整机构 Pneumatic screwdriver adjustment mechanism |
| 12/28/2000 | DE19928978A1 Tool store has freely movable carriage with head section, foot section with rollers or similar, whereby head section has at least one holder for holding and removing electric screwdriver |
| 12/28/2000 | DE19928977A1 Mobile tool store has mounting platform has freely movable carriage with tool holder(s), device(s) for contactless power transfer to carriage, storage container(s), e.g. for small parts, tools |
| 12/27/2000 | EP1063060A2 Power tool |
| 12/27/2000 | EP1063059A2 Continuous fluid-operated wrench |
| 12/26/2000 | US6165096 Self-shifting transmission apparatus |
| 12/21/2000 | DE19927809A1 Hand power tool with rotary pulses for a moment of momentum has a clutch coupling between the reduction gearing and the pulse generator to eliminate vibration without reaction on the motor from high accelerations and delays |
| 12/20/2000 | CN1277662A Tip valve for pneumatic tool |
| 12/14/2000 | WO2000074899A1 Tong device, particularly a heavy duty torque tong |
| 12/13/2000 | CN1276279A Borer/screwdriver chuck |
| 12/13/2000 | CN1059375C Coupling device and rotary drive tool therefor |
| 12/12/2000 | US6158528 Hand-held pneumatic rotary drive device |
| 12/12/2000 | US6158526 Reversible impact mechanism with structure limiting hammer travel |
| 12/05/2000 | US6155355 Torque impulse tool with automatic power shut-off comprising two inertia bodies |
| 12/05/2000 | US6155354 Interchangeable grips for power hand tools |
| 12/05/2000 | US6155139 Pneumatically operable screw driver |
| 11/30/2000 | WO2000071303A2 Impulse wrench |
| 11/30/2000 | WO2000071302A1 Portable hydraulic wrench |
| 11/30/2000 | WO2000071299A2 Motorised screwdriver with an automatic system for loading screws or bolts |
| 11/30/2000 | DE19924552A1 Electrically powered hand device e.g. electric screwdriver, has cooling air channel arranged downstream of electric motor and gearbox with outflow openings arranged to direct heated air away from user |
| 11/29/2000 | EP1054754A1 Portable power tool with separate pistol-type handle |
| 11/29/2000 | EP1021106A4 Interchangeable grips for power hand tools |
| 11/29/2000 | EP0865345A4 Power hand tool with rotatable handle |
| 11/29/2000 | CN1059022C Releasable coupling and tool therefor |
| 11/28/2000 | US6152243 Universal torque power tool |
| 11/22/2000 | CN1274309A Pneumatic tool with increased power capability |
| 11/22/2000 | CN1273901A Ratchet spanner |
| 11/21/2000 | US6149356 Portable pneumatic tool assembled with module units |
| 11/21/2000 | US6148694 Hand wrench with torque augmenting means |
| 11/16/2000 | WO2000068529A1 Device for screwing in fastening elements |
| 11/16/2000 | DE19921426C1 Screwdriver assembly for mounting insulation boards to surfaces has a holder to take separate screws fed from a magazine and clamp them for the screwdriver stacked vertically over it |
| 11/15/2000 | EP1052067A2 Fluid-operated tool |
| 11/15/2000 | EP1051285A1 Rotational energy storage device and tools incorporating same |
| 11/15/2000 | CN2405708Y Portable electric spanner |
| 11/09/2000 | CA2714864A1 Quick-connect mechanism |
| 11/08/2000 | EP1050381A2 Impact rotary tool |
| 11/08/2000 | CN2404640Y Electric screw-driver |
| 11/08/2000 | CN2404639Y Electric wrench |