Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046)
07/1993
07/20/1993CA1320577C Method, system & device for determining quality of assembly of tool parts
07/13/1993US5226327 Screwing device with means for measuring the tightening strain in a bolt
07/09/1993CA2059032A1 Screw positioning device
07/08/1993WO1993013399A1 Audio torque indicator
07/08/1993WO1993009852A3 Tap fixing tool
07/06/1993US5224403 Predetermined torque yielding wrench
07/06/1993CA1319972C Ultrasonic load indicating member, apparatus and method
06/1993
06/29/1993CA1319543C Torque hold system and method
06/24/1993DE4141961A1 Mechanical screwdriver structure
06/23/1993EP0547638A1 Screwing device
06/23/1993CN2136718Y Screwdriver handle with showing function
06/15/1993US5219198 Handling device and process for fasteners
06/09/1993DE4243317A1 Angle control method for automatic screwdriver - using inertial angular rate sensor built into rotating shaft of insertion tool, and e.g. Sagnac effect rotation pick=up
06/08/1993US5217079 Hydro-impulse screwing device
06/08/1993US5216940 Extension apparatus and method for open ended wrench
06/08/1993US5216795 Method for tightening threaded joints
06/02/1993CN2134908Y Nut wrench with screw-bolt clamping structure
06/01/1993US5216622 Ultrasonic drive/sense circuitry for automated fastener tightening
06/01/1993US5215270 Method for tightening a fastener
06/01/1993US5214986 Quick release mechanism for tools such as socket wrenches
06/01/1993US5214832 Hand tool for applying a ferrule to a safety cable
05/1993
05/27/1993WO1993009918A1 Fastening tools and tape therefor
05/27/1993WO1993009852A2 Tap fixing tool
05/27/1993CA2123990A1 Fastening tools and tape therefor
05/25/1993US5213017 Neutrally mounted same vibration frequency impact tool
05/25/1993US5212885 High gas sealibility makeup for API buttress connections
05/25/1993US5212862 Torque-angle window control for threaded fasteners
05/19/1993DE4235954A1 Monitoring clamp angle in electronic torque key - using stored correction factors to correct measured angle when extension piece used
05/18/1993US5211468 Screw driver having an illuminating unit mounted thereto
05/18/1993US5211087 Multiple drive ratchet wrench
05/18/1993US5211061 Bolt clamping force sensor and clamping force validation method
05/13/1993WO1993008956A1 Device for jointing feeding hose
05/13/1993WO1993006969A3 Torque wrench
05/12/1993EP0541476A2 Ultrasonic bolting control apparatus
05/12/1993EP0541290A1 Method and apparatus for feeding and tightening threaded parts
05/12/1993EP0535045A4 Self-contained lock wire securing tool
05/12/1993CN2132598Y Double-head extension special spanner
05/11/1993US5209308 Power driven screwdriver
05/06/1993DE4236428A1 Magnetically actuated torque limiting coupling - has driving cylinder between cylinders with inner and outer rings of magnets permitting relative rotation for torque adjustment
05/05/1993CN2131655Y Powerful hydraulic lever wrench
05/04/1993US5207130 Ratchet locking plier
05/04/1993US5207127 Fastener support apparatus
05/03/1993CA2081840A1 Method and apparatus for feeding and tightening threaded parts
04/1993
04/28/1993EP0539113A1 Improvements relating to screw threaded fasteners
04/27/1993US5205031 Device for tightening threaded joints
04/22/1993DE4134306A1 Screwdriver bit attachment sleeve for screw centring and holding - comprises left hand wound coil spring which acts both in compression and extension
04/22/1993CA2079431A1 Drive socket
04/21/1993EP0537926A1 Assembly tool fed with components lined up on a belt
04/20/1993US5203874 Device for securing dies on threading machines
04/20/1993US5203595 Dovetail-type coupling device and method
04/20/1993US5203242 Power tool for two-step tightening of screw joints
04/20/1993US5203239 Torque wrench
04/15/1993WO1993006969A2 Torque wrench
04/13/1993US5201904 Torqueing tool
04/13/1993US5201891 Vibration parts allignment apparatus
04/13/1993US5201374 Screw joint tightening power tool
04/13/1993US5201256 Power tool for torquing threaded pipes
04/11/1993CA2080266A1 Gripping impact wrench socket
04/07/1993EP0535045A1 Self-contained lock wire securing tool.
04/06/1993US5199336 Turn-counting setting screwdriver
04/06/1993US5199334 Magnetic keeper accessory for wrench sockets
04/06/1993US5199332 Hand wrenching tool
04/06/1993US5199146 Tensioning and crimping tool
04/01/1993WO1993006381A1 Torque control clutch
04/01/1993WO1993006320A1 A method and arrangement for feeding straight wire-sections to a given position
04/01/1993CA2118922A1 Torque control clutch
03/1993
03/31/1993EP0534537A1 Method for tightening an element fitted with screw thread to a specific pre-load
03/30/1993US5197339 Device for measuring torque in a universal joint and method therefor
03/28/1993CA2076596A1 Device for checking universal joint and method therefor
03/24/1993EP0532819A1 A screw positioning and feeding device
03/23/1993US5195761 Chuck for tool inserts, especially screwdriver bits
03/23/1993US5195406 Power wrench
03/23/1993US5195405 For gripping and applying torque to a free end of a pipe
03/17/1993EP0532289A1 A device for applying torque to a fastener
03/17/1993CN1020078C Portable screw driver having flexible extension shaft
03/10/1993CN2127899Y Moment wrench
03/09/1993CA1314130C High torque hydraulic shoe bolt wrench
03/03/1993EP0529690A1 Stackable washer
03/03/1993CN2127650Y 螺丝刀 Screwdriver
02/1993
02/24/1993CN2127339Y Anti-slide screwdriver
02/23/1993US5188378 Chuck for polygonal shank ends of tools
02/23/1993US5188008 Cluster nut tool
02/18/1993WO1993002614A1 Apparatus for testing visual acuity and/or sensitivity to spatial contrasts in man, and device and process for the manufacture thereof
02/18/1993DE4127269A1 Quick-fit coupling esp. for screwdriver blades - has movable release member on housing striking locking part on coupling
02/18/1993CA2113732A1 Apparatus for testing visual acuity and/or sensitivity to spatial contrasts in man, and device and process for the manufacture thereof
02/16/1993US5186262 Powered tool apparatus
02/16/1993US5186085 Screw driving device for screws connected by a screw connecting strip
02/16/1993US5186084 Automatic screw driver and a method for controlling the same
02/09/1993US5184979 Quick disconnect constant velocity universal joint
02/09/1993US5184529 Tool for loosening or tightening spark plug
02/03/1993EP0525911A2 Transmission for electrically driven tool
02/03/1993EP0525274A1 A holding device for receiving an externally threaded shaft or rod member
02/03/1993CA2075146A1 Transmission for electrically driven tool
02/02/1993US5182973 Depth locator apparatus for insert bit holders
01/1993
01/26/1993US5181575 Impact wrench having torque controlling faculty
01/20/1993EP0523477A1 Wrench with variable torque adjustment
01/19/1993US5180042 Torque transmission control device
01/13/1993EP0521898A1 Adjustable pressure dual piston impulse clutch
01/12/1993US5178048 Magnetic fastener retainer
01/12/1993US5177874 Gage for hex head fasteners