| 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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| 12/19/2002 | US20020189829 Impact tool control method and apparatus and impact tool using the same |
| 12/18/2002 | EP1266126A1 Double-throw air motor with reverse feature |
| 12/18/2002 | EP0785846B1 Handle for a pneumatic power tool |
| 12/18/2002 | EP0720697B1 Universal joint for torque transmitting tools |
| 12/18/2002 | CN2526132Y Flywheel impacting mechanism for electric wrench |
| 12/18/2002 | CN1385282A Electric driven impact wrench |
| 12/17/2002 | US6494120 Bolt and nut disassembling apparatus |
| 12/12/2002 | WO2002098611A1 Compressed-air-driven screw tightening machine |
| 12/12/2002 | US20020185289 Elbow attachment |
| 12/12/2002 | US20020185286 Impact tool with detachable drive end |
| 12/12/2002 | US20020184979 Battery-powered screwdriver with integral bit holder |
| 12/12/2002 | US20020184975 Power ratchet wrench |
| 12/12/2002 | US20020184974 Powered wrench |
| 12/10/2002 | US6491112 Driving tool for fastening fasteners |
| 12/10/2002 | US6491111 Rotary impact tool having a twin hammer mechanism |
| 12/10/2002 | US6490953 Externally captured ratchet head and housing assembly |
| 12/10/2002 | US6490952 Fastening device |
| 12/05/2002 | WO2002097386A1 Bit adopter for torque detector |
| 12/05/2002 | US20020182020 Motor-driven tool |
| 12/05/2002 | US20020178877 Screwdriver |
| 12/04/2002 | EP1261460A1 Hand-held pneumatic rotary drive device having an adjustable air exhaust |
| 12/03/2002 | US6488452 Drill and drive apparatus having arrangement to accommodate long drill bits |
| 12/03/2002 | US6487947 Device for reaming pipe |
| 12/03/2002 | US6487940 Nut driver |
| 12/03/2002 | CA2324488C Cordless, high torque power tool |
| 11/27/2002 | EP1260322A1 Angle type power nutrunner |
| 11/27/2002 | CN1095237C Hand electric tool |
| 11/21/2002 | WO2002092289A1 Electric impact wrench |
| 11/21/2002 | DE10136168C1 Screwdriver has pneumatic drive having reciprocating rack engaging cogwheel coupled via one-way coupling to screwdriver spindle |
| 11/21/2002 | DE10124674A1 Screwing and unscrewing device has axial pressure operated activator for rotary drive |
| 11/21/2002 | DE10124571A1 Power-driven offset screw driver has reduction gear with reaction part to accommodate reaction momentum relative to spindle |
| 11/19/2002 | USRE37905 Power tool and mechanism |
| 11/19/2002 | US6481084 Method for removal of a vehicle hub and rotor assembly |
| 11/07/2002 | WO2002057434A3 Device for screwing in fastening elements |
| 11/07/2002 | US20020162421 Nutrunner safety sleeve |
| 11/06/2002 | EP0771389A4 Toggled breakout wrench |
| 11/05/2002 | CA2246241C Fastener collation tube for stand-up fastener driving tool |
| 10/31/2002 | WO2002085577A1 Impact tool with detachable drive end |
| 10/31/2002 | CA2415227A1 Impact tool with detachable drive end |
| 10/30/2002 | EP1084010B1 Method for driving an electric screwing device |
| 10/30/2002 | EP1015185B1 Resonant oscillating mass-based torquing tool |
| 10/30/2002 | CN1376557A 360 degrees lantern ring of clutch |
| 10/24/2002 | WO2002083365A1 Externally captured ratchet head and housing assembly |
| 10/24/2002 | US20020153856 Electrical power tool having a motor control circuit for providing control over the torque output of the power tool |
| 10/24/2002 | DE10118034A1 Machine tool with replaceable tool holder has sensor on machine tool for detecting coding of tool holder fitted to machine; sensor signal is a control criterion for machine tool drive |
| 10/24/2002 | DE10115371C1 Rotation prevention method for screw-nut connection has bead of nut plastically deformed to fit into recess in end of screw |
| 10/23/2002 | EP1250580A1 Impact tool control method and apparatus and impact tool using the same |
| 10/23/2002 | EP1250217A2 Pneumatic rotary tool |
| 10/23/2002 | CN1375381A Electric tool and arbor locking system |
| 10/22/2002 | US6467556 Two-position screwdriver |
| 10/17/2002 | WO2002051596A3 Vibration isolated impact wrench |
| 10/17/2002 | US20020148331 Externally captured ratchet head and housing assembly |
| 10/16/2002 | CN1374175A 动力工具 Power Tools |
| 10/16/2002 | CN1374173A Motor driving tool |
| 10/16/2002 | CN1374171A Centrifugal electric wrench |
| 10/16/2002 | CN1374162A 动力工具 Power Tools |
| 10/15/2002 | US6464017 Transmission mechanism for pneumatic tool |
| 10/10/2002 | US20020144832 Portable tool connected to an operation controlling and /or monitoring unit via a cable |
| 10/09/2002 | EP1247620A2 Air passage shifting device for a pneumatic tool |
| 10/09/2002 | CN1373027A Balanced rotating electric tool |
| 10/09/2002 | CN1373026A Fluid operation tool for screwing and unscrewing screw connector |
| 10/08/2002 | US6461088 Two speed right angle drill |
| 10/08/2002 | US6460629 Pneumatic tool and system for applying torque to fasteners |
| 10/01/2002 | US6457535 Impact rotary tool |
| 10/01/2002 | US6457390 Screw feeding device for a power screw driving tool |
| 09/26/2002 | WO2002074499A1 Device for screwing in fixing elements |
| 09/26/2002 | US20020134172 Reading method of crew rotation angle of hand-held impact wrench, hand-vibration detection method, tightening evaluation and control method of hand-held power screw loosening tool |
| 09/26/2002 | DE10202263A1 360 DEG Kupplungskragen 360 ° coupling collar |
| 09/26/2002 | DE10202262A1 Mehrstufiges Getriebe für Motorwerkzeug Multi-speed transmission for power tool |
| 09/25/2002 | CN1370661A Multistage speed variator for electrical tool |
| 09/24/2002 | US6454020 Locking device for output shaft of electric tools |
| 09/24/2002 | US6453778 Tool lengthening device |
| 09/19/2002 | US20020130007 Power tool and spindle lock system |
| 09/19/2002 | US20020130006 Spindle lock system |
| 09/18/2002 | EP1240983A2 Power tool and spindle lock system |
| 09/18/2002 | EP1240979A2 Twin lobe impact mechanism |
| 09/18/2002 | CN2511829Y Beat clutch for electric spanner |
| 09/18/2002 | CN2511445Y Multifunctional IC diesel bolt wrench |
| 09/12/2002 | US20020124890 Apparatus for outputting compressed air in compressor |
| 09/12/2002 | US20020124376 Vehicle hub removal tool and method of removal of vehicle rotor and hub assembly |
| 09/11/2002 | EP1239165A2 Apparatus for outputting compressed air with a compressor |
| 09/11/2002 | EP1238761A1 Balanced Rotary power tool |
| 09/11/2002 | EP1238757A2 Pneumatic screwdriver with screwing depth limitation |
| 09/11/2002 | EP1238452A2 Improved power tools |
| 09/10/2002 | US6446735 Torque restricting structure of pin hammer-type hammering mechanism |
| 09/06/2002 | WO2002068156A1 Electric rotational tool driving switch system |
| 09/05/2002 | US20020122707 Power tool |
| 09/05/2002 | US20020121384 Power tool |
| 09/05/2002 | US20020121161 Fluid operated tool for tightening and loosening threaded connectors |
| 09/05/2002 | DE10209101A1 Kraftwerkzeug Power tool |
| 09/05/2002 | DE10209097A1 Motorized tool has metal heat radiation plate that can be brought into engagement with carbon brush part |
| 09/05/2002 | DE10209096A1 Energiewerkzeug Power tool |
| 09/04/2002 | EP1054754B1 Portable power tool with separate pistol-type handle |
| 09/04/2002 | EP1009595B1 Tool system that can be coupled to a lathe drive shaft |
| 09/04/2002 | CN2508903Y Bidirectional knocking electric wrench |
| 09/04/2002 | CN2508902Y Impact type electric wrench drive structure |
| 09/04/2002 | CN2508901Y DC electric screwdriver |
| 09/04/2002 | CN1367728A Vibrating nutrunner |
| 09/03/2002 | US6443239 Pneumatic rotary tool |
| 08/29/2002 | US20020117028 Hand-held power tool |