| 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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| 03/06/2002 | EP1183430A1 Device for screwing in fastening elements |
| 03/06/2002 | EP1015186B1 Oscillating mass-based tool with dual stiffness spring |
| 03/06/2002 | CN2480111Y Automatic screwing machine for self-tapping screw |
| 03/06/2002 | CN2480110Y Electric impact wrench |
| 03/05/2002 | US6352127 Elbow attachment |
| 03/05/2002 | CA2254313C Method and apparatus for screwing a nut onto a shank |
| 02/27/2002 | EP1182010A1 Vibrating nutrunner |
| 02/27/2002 | EP0944458B1 Torque impulse tool with automatic power shut-off comprising two inertia bodies |
| 02/27/2002 | CN2478731Y Improved pneumatic ratchet spanner |
| 02/26/2002 | US6349625 Tool socket |
| 02/21/2002 | WO2002014022A1 Low-profile wrench |
| 02/21/2002 | WO2001077497B1 Air motor |
| 02/21/2002 | US20020022524 Impulse torque generator for a hydraulic power wrench |
| 02/20/2002 | EP1180418A2 A piston structure of a pneumatic nailing machine |
| 02/19/2002 | US6347914 Rotary tool holder |
| 02/19/2002 | CA2246140C Fastener dispensing apparatus for stand-up fastener driving tool and method therefor |
| 02/14/2002 | WO2001054865A3 Pneumatic rotary tool |
| 02/14/2002 | US20020017168 Low-profile wrench |
| 02/13/2002 | EP1179395A2 Impulse torque generator for a hydraulic power wrench |
| 02/07/2002 | WO2001072477A3 Spring loaded drive gun |
| 02/07/2002 | WO2001066287A3 Rotary tool holder |
| 02/06/2002 | CN1334177A Rotating percussive tool with double hammer mechanism |
| 01/31/2002 | US20020011344 Two-position screwdriver |
| 01/30/2002 | CN1333105A Tool socket |
| 01/29/2002 | US6341542 Automatic screwing device |
| 01/29/2002 | US6341533 Method for determining the installed torque in a screw joint at impulse tightening and a torque impulse tool for tightening a screw joint to a predetermined torque level |
| 01/23/2002 | EP1174222A2 Rotary impact tool having a twin hammer mechanism |
| 01/23/2002 | EP1174221A2 Tool Socket |
| 01/23/2002 | CN2472881Y Automatic stop directly inserting electric screw driver |
| 01/17/2002 | US20020005290 Vibration isolated impact wrench |
| 01/17/2002 | US20020005092 Hydraulic wrench control valve systems |
| 01/17/2002 | DE10032949A1 Schraubgerät Screwdriving |
| 01/10/2002 | US20020003043 Power tool system with programmable control unit |
| 01/10/2002 | US20020002883 Screw driving tool |
| 01/10/2002 | DE10109741A1 Verbesserter Kupplungsmechanismus zur Verwendung in Rotationswerkzeugen mit Schraub-und Bohrbetrieb Improved clutch mechanism for use in rotary tools with screw and drilling |
| 01/09/2002 | EP1170093A2 Fastening tool |
| 01/09/2002 | EP0918597B1 Pumping unit with speed transducer |
| 01/08/2002 | US6336381 Powered pipe wrench |
| 01/01/2002 | US6334494 Control unit for hydraulic impact wrench |
| 12/20/2001 | WO2001096072A1 Torque wrench |
| 12/20/2001 | US20010052419 Electric hand tool |
| 12/20/2001 | US20010052276 Screw driving tool |
| 12/20/2001 | DE10029721A1 Screw driving tool has detachable dust-repelling sleeve arranged between depth stop and bit holder, and selectively coupled with bit holder |
| 12/19/2001 | EP1163716A1 Electronic controller for an electric hand tool |
| 12/19/2001 | CN1076254C Fastener dispensing apparatus for stand-up fastener driving tool and method therefor |
| 12/18/2001 | US6330842 Compact head power driven ratchet tool |
| 12/13/2001 | US20010050465 Removable chuck |
| 12/12/2001 | EP1162035A1 Fastener installation tool |
| 12/12/2001 | EP1162034A2 Reaction force cam |
| 12/12/2001 | EP0986451B1 Screwdriver adapter |
| 12/11/2001 | US6327937 Wrench |
| 12/06/2001 | US20010048855 Powre drill housing and chuck rotation |
| 12/06/2001 | US20010047700 Impact fan clutch wrench |
| 12/05/2001 | EP0927092B1 Air operated hydraulic torque wrench pump |
| 12/04/2001 | US6325393 Chuck device for tools |
| 12/04/2001 | US6324946 Screwdriver adapter |
| 11/29/2001 | DE10023857A1 Screw driver has angled head containing a power transmission gear and flat power take-off, drive or guide shaft, cog wheels and bearings |
| 11/27/2001 | US6321856 Two-position screwdriver |
| 11/27/2001 | US6321853 Vibration isolated impact wrench |
| 11/27/2001 | US6321437 Multiple nut driver for computer assembly |
| 11/22/2001 | DE10023174A1 Electric hand tool, e.g. drill with speed control has automatic reset for adjuster, returning it to initial setting in accordance with an operational parameter |
| 11/22/2001 | DE10019132A1 Ratchet ring spanner has rotary bearing, union nut, plug-in nut, operating lever, transmission element, pinions, drive cog wheel, and toothing |
| 11/21/2001 | CN1074972C Power tool and mechanism |
| 11/20/2001 | US6318479 Vibration isolated impact wrench |
| 11/15/2001 | WO2001085399A1 Machine tool, especially a hand machine tool |
| 11/15/2001 | US20010039858 Fastening device |
| 11/15/2001 | US20010039857 Worm gear torque apparatus |
| 11/14/2001 | CN1321566A Method and apparatus for screwing up threaded connector |
| 11/13/2001 | US6314840 Separable coupling and corresponding tool |
| 11/08/2001 | WO2001044776A8 Impact tool control method and apparatus and impact tool using the same |
| 11/07/2001 | EP1151826A2 A method of and an apparatus for tightening threaded connectors |
| 11/06/2001 | US6311585 Flow regulation device |
| 11/06/2001 | US6311583 Ratchet wrench with pivotable head |
| 11/01/2001 | US20010035326 Clutch mechanism for use in rotary tools having screw-driving and drill modes |
| 11/01/2001 | US20010035073 Spring loaded drive gun |
| 10/30/2001 | US6308786 Pneumatic powered winch actuating device |
| 10/30/2001 | US6308593 Apparatus for adjusting tie rod |
| 10/25/2001 | US20010033777 6-in-1 rotary tool |
| 10/25/2001 | US20010032726 Impact tool control method and apparatus and impact tool using the same |
| 10/25/2001 | US20010032528 Universal power tool |
| 10/24/2001 | EP1146997A1 Reversible ratchet head assembly |
| 10/24/2001 | CN1318451A 手持的有动力工具 There are hand-held power tools |
| 10/24/2001 | CN1073495C Impact tool driver |
| 10/23/2001 | US6305481 Clutch mechanism for use in a power-driven tool |
| 10/23/2001 | US6305246 Ratchet wrench head with lubrication port |
| 10/23/2001 | US6305236 Worm gear torque apparatus |
| 10/18/2001 | WO2001077497A1 Air motor |
| 10/18/2001 | US20010031179 Two speed right angle drill |
| 10/18/2001 | US20010029634 Tool for setting drop-in anchors |
| 10/18/2001 | DE10033598C1 Electric wall socket or switch installation device has 2 spaced screw chucks adjusted for matching spacing of socket or switch screw fixings |
| 10/17/2001 | CN1317394A Ratchet spanner with rotary head |
| 10/17/2001 | CN1317385A Electric handwork tool |
| 10/16/2001 | US6302409 Elements for a magnetic tool holder system |
| 10/16/2001 | US6302408 Tool system that can be coupled to a lathe drive shaft |
| 10/16/2001 | US6301997 Positioning device for power-driven fastener |
| 10/11/2001 | US20010027871 Hydraulic unit and electric power tool to which the hydraulic unit is incorporated |
| 10/09/2001 | US6298753 Ratchet wrench |
| 10/09/2001 | US6298752 Continuous fluid-operated wrench |
| 10/09/2001 | CA2221047C Successive screw feeder driver |
| 10/04/2001 | WO2001072477A2 Spring loaded drive gun |