| 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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| 04/17/2003 | WO2003031088A1 Tightening and untightening device for bearings of rolling mills |
| 04/17/2003 | US20030070511 Battery powered screwdriver and screw starting device |
| 04/16/2003 | EP1302283A2 Powered hand-tool |
| 04/16/2003 | CN2544903Y Energy-accumulating electric wrench |
| 04/16/2003 | CN2544902Y Energy-accumulating electric wrench |
| 04/16/2003 | CN2544901Y Centrifugal electric wrench |
| 04/16/2003 | CN1105821C Air ratchet hand tool with thermoplastic jacket |
| 04/15/2003 | US6547013 Screw driving tool |
| 04/15/2003 | US6546839 Flow regulation device |
| 04/15/2003 | US6546815 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 |
| 04/10/2003 | WO2003029601A2 Percussive rotational impact hammer |
| 04/09/2003 | EP0963275B1 Mobile automatic machine for fastening of fasteners |
| 04/08/2003 | US6543549 Electrically driven hand-held tool |
| 04/08/2003 | US6543313 Powered wrench |
| 04/08/2003 | CA2284329C Fastener-driving accessory for rotary driving tool |
| 04/03/2003 | US20030062176 Percussive rotational impact hammer |
| 04/03/2003 | US20030061913 Advanced tools systems |
| 04/02/2003 | EP1296804A1 Torque wrench |
| 04/02/2003 | EP0734310B1 Pneumatic power tool |
| 04/02/2003 | CN2542406Y Differential bumping electric spanner |
| 04/02/2003 | CN1406711A Tool machine with changeable cutter holder |
| 03/27/2003 | US20030056625 Output shaft and concentrically mounted attachments therefor |
| 03/26/2003 | EP1295683A1 Motor-driven hand tool |
| 03/26/2003 | EP1146997A4 Reversible ratchet head assembly |
| 03/26/2003 | CN2541217Y Steering impact switching gear of two-way knocking electric spanner |
| 03/26/2003 | CN2541133Y Centrifugal electric spanner |
| 03/26/2003 | CN1406169A 旋转工具 Rotate Tool |
| 03/26/2003 | CN1103658C Shaft braker |
| 03/25/2003 | US6536537 Screw drivers |
| 03/25/2003 | US6536536 Power tools |
| 03/25/2003 | US6536310 Low-profile wrench |
| 03/20/2003 | DE20300599U1 Manual electrical hand held power tool has facility for motor direction reversal |
| 03/19/2003 | EP1183430B1 Device for screwing in fastening elements |
| 03/18/2003 | US6532845 Method of and an apparatus for tightening threaded connectors |
| 03/13/2003 | US20030047333 Hand-held pneumatic rotary drive device having an adjustable air exhaust |
| 03/13/2003 | US20030047331 Microprocessor for controlling the speed and frequency of a motor shaft in a power tool |
| 03/12/2003 | EP1051285B1 Rotational energy storage device and tools incorporating same |
| 03/06/2003 | US20030041704 Socket-drive anvil element for an impact wrench |
| 03/06/2003 | DE20023108U1 Setting tool for e.g. roofing screws with washers has screw holder with contact with magnet for contact-free holding of screws |
| 03/06/2003 | DE10131220C1 Electric handtool with overload coupling reducing torque transmitted between drive shaft of electric drive motor and driven stage when tool is blocked |
| 03/05/2003 | CN2538494Y Torque adjustable portable electric wrench |
| 03/04/2003 | US6527061 Driving mechanism for pneumatic tools |
| 03/04/2003 | US6527060 Portable power tool with separate pistol-type handle |
| 03/04/2003 | US6526852 Screw driving tool |
| 02/27/2003 | US20030037939 Reverse apparatus for air impact wrench |
| 02/27/2003 | US20030037621 Bit adopter for torque detector |
| 02/27/2003 | US20030037423 Intelligent power tool |
| 02/26/2003 | CN2537522Y Micro computer torque regulation electric spanners |
| 02/25/2003 | US6524035 Conduit reamer tool assembly |
| 02/25/2003 | US6523658 Clutch mechanism for use in rotary tools having screw-driving and drill modes |
| 02/25/2003 | US6523442 Torque tool assembly |
| 02/20/2003 | WO2003013797A1 Method for controlling an intermittently operating screw tool |
| 02/20/2003 | WO2003013796A1 Safety device of air impact screwdriver |
| 02/20/2003 | WO2003013795A1 Air impact screwdriver |
| 02/18/2003 | US6520509 Screw guide device with drill bit/screw bit and counter sink/drill stop means |
| 02/18/2003 | CA2351993C Torque tool |
| 02/13/2003 | WO2003011533A2 Battery powered screwdriver and screw starting device |
| 02/12/2003 | EP1282484A1 Machine tool, especially a hand machine tool |
| 02/12/2003 | CN1396855A 气动旋转工具 Pneumatic rotary tool |
| 02/12/2003 | CN1396854A Hand-held pneumatic rotary drive device having adjustable air exhaust |
| 02/11/2003 | US6517295 Power drill housing and chuck rotation |
| 02/06/2003 | WO2003009969A2 Impact tool battery pack with acoustically-triggered timed impact shutoff |
| 02/06/2003 | US20030024716 Impact tool battery pack with acoustically-triggered timed impact shutoff |
| 02/06/2003 | US20030024715 Pneumatic ratchet drive wrench |
| 02/06/2003 | US20030024714 Driving mechanism for pneumatic tools |
| 02/06/2003 | CA2454604A1 Impact tool battery pack with acoustically-triggered timed impact shutoff |
| 02/05/2003 | EP1281481A2 Tool for placing an anchor bolt |
| 01/29/2003 | CN1099941C Fastener |
| 01/28/2003 | US6511268 Tool device with reversible drill bit/screw bit |
| 01/28/2003 | US6510768 Battery-powered screwdriver with integral bit holder |
| 01/23/2003 | WO2003007467A1 Microprocessor for controlling the speed and frequency of a motor shaft in a power tool |
| 01/23/2003 | WO2003006208A1 Pressure-operated power screwdriver having a measuring section |
| 01/23/2003 | WO2000032359A9 Rotational energy storage device and tools incorporating same |
| 01/23/2003 | US20030015066 Positionable power screwdriver |
| 01/22/2003 | CN1393116A Pneuamtic rotary tool |
| 01/21/2003 | US6508313 Impact tool battery pack with acoustically-triggered timed impact shutoff |
| 01/16/2003 | US20030010514 Single push button reverse valve system for a pneumatic tool |
| 01/16/2003 | US20030010513 Single push button reverse valve system for a pneumatic tool |
| 01/16/2003 | US20030010158 Power-driven screwdriver |
| 01/15/2003 | CN1098748C Continuously rotating fluid-operated spanner |
| 01/15/2003 | CN1098747C Electric tool for fastening and loosening screw connector |
| 01/14/2003 | US6505690 Hydraulic unit and electric power tool to which the hydraulic unit is incorporated |
| 01/09/2003 | WO2001054865A9 Pneumatic rotary tool |
| 01/09/2003 | US20030006049 Target torque detection at power wrenches having mechanical release clutch |
| 01/09/2003 | DE20216818U1 Adjusting mechanism for rotation direction/rotation speed of a pneumatic tool, has adjusting element with seat section rotatably in an end-space in order to separate suction aperture from air chamber |
| 01/08/2003 | EP1273395A2 Target torque detection at power wrenches having mechanical release clutch |
| 01/08/2003 | EP1272737A1 Air motor |
| 01/08/2003 | EP0886560B1 Power nutrunner with torque release clutch and a setting tool |
| 01/08/2003 | CN2529781Y Driving structure of knocking electric wrench |
| 01/07/2003 | US6502648 360 degree clutch collar |
| 01/07/2003 | US6502485 Impact ratchet wrench |
| 01/03/2003 | WO2003000465A2 Power torque tool |
| 01/03/2003 | CA2450137A1 Power torque tool |
| 01/02/2003 | US20030000348 Ratchet tool mechanism |
| 01/02/2003 | EP1270150A2 Electric screwdriver with overload release coupling and wireless communication connection to a base station |
| 12/25/2002 | CN2527399Y Portable electric tool |
| 12/25/2002 | CN1096918C Electric tools |
| 12/24/2002 | US6497316 Powered, unidirectional output controlling apparatus |
| 12/19/2002 | WO2002100603A1 Battery-powered screwdriver with integral bit holder |
| 12/19/2002 | US20020189830 Impact tool control method and apparatus and impact tool using the same |