| 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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| 10/04/2001 | US20010026051 Removable chuck |
| 10/04/2001 | EP1138442A2 Hydraulic unit and electric power tool to which the hydraulic unit is incorporated |
| 10/04/2001 | CA2362828A1 Spring loaded drive gun |
| 10/02/2001 | US6296427 Two speed right angle drill |
| 10/02/2001 | US6296064 Axially loaded drive tool |
| 10/02/2001 | US6295913 Air operated hydraulic torque wrench pump |
| 09/27/2001 | WO2001071302A1 Bit adopter for torque detector |
| 09/27/2001 | WO2001071162A1 Double-throw air motor with reverse feature |
| 09/27/2001 | DE10013984A1 Manual screw driver etc. has magazine with open tool supports next to tool holders |
| 09/25/2001 | US6293559 Removable chuck |
| 09/25/2001 | US6293172 Telescopic pocket door angle drill |
| 09/19/2001 | CN1071173C Pneumatic tool with reverse valve having overdrive |
| 09/18/2001 | US6289774 Mobile automatic machine for fastening of fasteners |
| 09/18/2001 | US6289770 Power wrench safety switch |
| 09/13/2001 | WO2001066287A2 Rotary tool holder |
| 09/13/2001 | US20010020405 Separable coupling and corresponding tool |
| 09/12/2001 | CN2447116Y Screw driving machine |
| 09/07/2001 | WO2001064400A1 Rotary tool |
| 09/05/2001 | EP1129827A2 Pneumatic rotary tool |
| 09/05/2001 | EP1129826A1 Electric hand tool |
| 09/05/2001 | CN1311404A Improved clutch mechanism for two purpose tool for screw driving and hole drilling |
| 09/05/2001 | CN1311071A Pneumatic rotating tools |
| 09/04/2001 | US6283226 Clutch-buffer assembly for power wrench |
| 09/04/2001 | US6282998 Fastener-driving accessory for rotary driving tool |
| 09/04/2001 | US6282990 Flat head power ratchets |
| 09/04/2001 | US6282989 Power valve wrench |
| 08/30/2001 | US20010017067 Offset hydraulic runner apparatus |
| 08/30/2001 | US20010017066 Power driver having geared tool holder |
| 08/29/2001 | EP1127659A2 Fluid operated torque tool |
| 08/29/2001 | EP0904178B1 Hyraulic power wrench |
| 08/28/2001 | US6279714 Powered, undirectional output controlling apparatus |
| 08/28/2001 | US6279427 Crosshead jam nut torque tool |
| 08/14/2001 | US6273200 Screwdriver with manuel spindel lock |
| 08/09/2001 | WO2001056749A1 Hand-held pneumatic rotary drive device having an adjustable air exhaust |
| 08/09/2001 | DE10004422A1 Motorbetriebene unidirektionale Ausgangssteuervorrichtung Motor-driven unidirectional output control device |
| 08/08/2001 | CN2441610Y Rotary inertia impact spanners |
| 08/08/2001 | CN2441609Y Disassembling and assembly device for bolt |
| 08/08/2001 | CN1306897A Energy storing impact mechanism for energy storing wind trigger |
| 08/07/2001 | US6270085 Chuck device for tool bits |
| 08/02/2001 | WO2001056144A1 Electronic controller for an electric hand tool |
| 08/02/2001 | WO2001054865A2 Pneumatic rotary tool |
| 08/02/2001 | WO2001005559A3 Improved power tools |
| 08/02/2001 | US20010010268 Hydraulic impulse rotary tool |
| 08/02/2001 | US20010010267 Torque control type impact wrench |
| 08/01/2001 | EP1120200A2 Torque control type impact wrench |
| 08/01/2001 | EP1120199A2 Hydraulic impulse rotary tool |
| 07/31/2001 | US6267026 Screwdriver for self-drilling screw |
| 07/26/2001 | DE10002922C1 Electronic control for electric handtool has different control programs for electric motor selected via manual operating switch operating element |
| 07/25/2001 | EP1118777A2 Heat-assisted method of installing screws |
| 07/19/2001 | WO2001051232A1 Trigger and clutch arrangement for power tools |
| 07/19/2001 | DE10060635A1 Power drive with clamping chuck for twist drills and similar tools has motor and spindle with axial bore engaging with grab unit operated by drive |
| 07/18/2001 | CN2439354Y Full automatic electric tool for setting or loosening screw or nut |
| 07/17/2001 | US6260444 Power tool |
| 07/17/2001 | US6260443 Hand wrench with torque augmenting means |
| 07/12/2001 | DE19938707C2 Verschraubungswerkzeug mit einem Winkelkopf für Flachabtriebe Screwing tool at an angle head for flat-offs |
| 07/10/2001 | US6257813 Screw clamping device with automatic clamping means |
| 07/10/2001 | US6257351 Powered surgical instrument having locking systems and a clutch mechanism |
| 07/05/2001 | WO2001047670A1 Axially loaded drive tool |
| 07/04/2001 | EP1112205A1 Tire changing system with frame mounted jacks and lug wrench |
| 07/04/2001 | CN1067930C Resonant oscillating mass-based torquing tool |
| 07/03/2001 | US6253642 Power tool |
| 06/28/2001 | US20010005068 Removable chuck |
| 06/28/2001 | DE19963237A1 Screw tool with reversed-direction lock, having motor to turn drive shaft in freewheeling direction, direction of rotation of which can be reversed |
| 06/28/2001 | DE19961209A1 Crease location device for metal roof, includes red and green LEDs assigned with deep crease and high crease width indication signals, respectively |
| 06/27/2001 | CN2436274Y Two-purpose electric driven screwdriver capable of using built-in or outside attached power source |
| 06/27/2001 | CN1067620C Electric spanner |
| 06/26/2001 | US6250399 Pneumatic tool with a reverse valve having an overdrive |
| 06/21/2001 | WO2001044776A1 Impact tool control method and apparatus and impact tool using the same |
| 06/20/2001 | EP1108900A1 Fluid operated tool for elongating and relaxing a threaded connector |
| 06/20/2001 | CN1300341A Pneumatic tool and air deflector boot therefor |
| 06/20/2001 | CN1299734A Power device having gear-driving-tool holder |
| 06/20/2001 | CN1067316C Srewdriver adapter |
| 06/19/2001 | US6247384 Fastening device |
| 06/14/2001 | WO2001042685A1 Rotary converting device |
| 06/14/2001 | US20010003253 Powered pipe wrench |
| 06/13/2001 | EP1066673A4 Cordless, high torque power tool |
| 06/12/2001 | US6244358 Trigger and clutch arrangement for power tools |
| 06/07/2001 | DE19958420A1 Sprung striking tool has cam shaft coaxial with torsional leg spring, coupling and sleeve |
| 06/07/2001 | DE19954931A1 Switch on hand guided electric tool switchable to pulsed torque e.g. hammer drill or screwdriver, has changeover device mounted so actuation element can be reached by hand guiding tool to change mode in operation |
| 06/05/2001 | US6241500 Double-throw air motor with reverse feature |
| 06/05/2001 | US6240816 Depth stop for a hand-held screw driving tool |
| 05/31/2001 | WO1999062675B1 Method for driving an electric screwing device |
| 05/29/2001 | US6237450 Fastener system with spline recess and driving tool |
| 05/29/2001 | CA2217685C Screw driving method and screw driving apparatus |
| 05/23/2001 | CN1296436A Rotational energy storage device tools incorporating same |
| 05/22/2001 | US6234256 Power screw driver with damping device between covered grip and housing |
| 05/22/2001 | US6234028 Apparatus and process for tightening a screw connection |
| 05/15/2001 | US6230594 Power-operated screwdriving device |
| 05/15/2001 | US6230590 Remotely operated raise drill torque tool |
| 05/15/2001 | US6230589 Power tool |
| 05/15/2001 | US6230367 Handle assembly for hand-held tool |
| 05/10/2001 | US20010000882 Vibration isolated impact wrench |
| 05/10/2001 | US20010000832 Tool system for disassembling sucker rods |
| 05/08/2001 | US6227308 Reversible impact mechanism with structure limiting hammer travel |
| 05/03/2001 | US20010000550 Sucker rod tool system |
| 05/02/2001 | CN2428262Y Dust-proof cover of electric driller |
| 05/01/2001 | US6223836 Fluid-operated power tool |
| 05/01/2001 | US6223834 Impact structure for impact power tool |
| 05/01/2001 | US6223375 Drilling and fastener driving tool |
| 04/25/2001 | CN1065017C Roofing washer-dispensing and fastener driving machine |