Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046)
03/1996
03/19/1996US5499560 Universal open ended socket wrench
03/19/1996US5499558 Fluid operated tool for elongating and relaxing a threaded connector
03/19/1996CA2051728C Fastener having recessed, non-circular head, and fastener-driving tool
03/12/1996US5497682 Torsion wrench
03/07/1996DE4431675A1 Schraubvorrichtung zum ultraschallgesteuerten Anziehen von Schraubverbindungen Screwdriver for ultrasound-guided tightening threaded
03/07/1996DE4431674A1 Schraubvorrichtung zum ultraschallgesteuerten Anziehen von Schraubverbindungen Screwdriver for ultrasound-guided tightening threaded
03/07/1996DE19507391A1 Schraubvorrichtung zum ultraschallgesteuerten Anziehen von Schraubverbindungen Screwdriver for ultrasound-guided tightening threaded
03/06/1996EP0699508A1 Hydraulic impact screwdriver especially for tightening threaded connection
03/06/1996CN2221470Y Gripping means for handling screws
03/05/1996US5496260 Torque override knob for endoscopes, borescopes, or guide tubes
02/1996
02/29/1996DE4430186A1 Torque limiter for servo screwdriver
02/29/1996DE4429962A1 Hand-operated electrical screw-driver with DC motor and braking circuit
02/27/1996US5493913 Power-impact or pulse screwing method
02/27/1996CA2107858C Quick release mechanism for tools such as socket wrenches
02/22/1996WO1996005010A1 Quick change chuck assembly for tool bits
02/21/1996EP0697268A1 Device for the releasable connection of a handle being turnable for adjusting purposes
02/20/1996US5492185 Impulse wrench
02/20/1996US5492039 For threading a stud into a workpiece
02/15/1996WO1996004108A1 Quick release mechanism for tools such as socket wrenches
02/15/1996WO1996004106A1 Power screwdriver and process for tightening screws
02/15/1996WO1996004105A1 Handle for plurality of different sized tools
02/15/1996WO1996004103A1 Quick release mechanism for tools such as socket wrenches
02/14/1996CN2219773Y Telescopic magnetic combined screw-driver bit
02/13/1996US5490537 Prosthesis air valve assembly and tool therefor
02/13/1996US5490439 Nut tightening device
02/08/1996DE4427452A1 Schrauber und Verfahren zum Anziehen einer Schraubverbindung mittels des Schraubers Screwdrivers and method of tightening a screw using the screwdriver
02/07/1996EP0695883A1 Bolt tightening device
02/01/1996DE4426370A1 Accessory for power screw driver
02/01/1996DE19525328A1 Fastener for flat roof insulation and sealing material
01/1996
01/31/1996CN2218632Y Housed joint type pen shape screwdriver
01/25/1996DE19526543A1 Einrichtung zum Schraubenfestziehen Means for tightening screws
01/24/1996EP0693347A2 Fastener driving tool
01/24/1996EP0693018A1 Screwdriver with replaceable bit assembly
01/24/1996CN2218061Y Jack screw driver
01/23/1996US5485769 Square drive adapter
01/17/1996EP0691899A1 Hand tool for applying a ferrule to a cable
01/17/1996CN2217487Y Handle of hand tool
01/17/1996CN2217486Y 扭矩扳手 Torque Wrench
01/17/1996CN2217485Y Self-tapping screw repeating device
01/17/1996CN2217484Y Multi-function screwdriver
01/16/1996US5484026 Handheld electromotive tool with sensor
01/11/1996WO1996000637A1 Automatic screw feeder
01/11/1996DE4423520A1 System to tighten or loosen threaded nuts
01/10/1996EP0691184A1 Collet type fastener removal tool
01/10/1996EP0690978A1 An apparatus for testing the passive fit of screw retained structures
01/09/1996US5482417 Cam and wedge-type self-locking mechanism
01/09/1996US5481949 Locking member for use in hand tools
01/04/1996WO1996000139A1 Torque impulse drive unit for power tool
01/02/1996US5480166 Multi-purpose tool holder
12/1995
12/26/1995US5478051 Belt providing continuous lining up of plastics components
12/22/1995CA2163463A1 Wing nuts commander
12/20/1995EP0600963B1 Chart for testing visual acuity and/or sensitivity to spatial contrasts of a man, device for testing, and process for the manufacture thereof
12/19/1995US5477434 Extension bar with built-in light used in conjuction with a portable driving tool
12/19/1995US5476014 Process and a device for the rotation-angle-monitored tightening or loosening of screw connections
12/13/1995EP0686458A1 Setting head and method for its operation
12/13/1995CN2214865Y Screwdriver with gripping means
12/12/1995US5473965 Automatic screw feeding mechanism for an automatic screw driving device
12/07/1995WO1995032830A1 Quick release chuck device
12/07/1995DE4419698A1 Torque wrench torque checking device
12/06/1995EP0685300A1 Reversible drill driver tool
12/06/1995EP0684894A1 Screwdriving apparatus for use in driving screws joined together in a strip.
12/06/1995EP0684893A1 Threading initiation tool and method
12/06/1995CN2214270Y Torque spanner with intelligent digital display
12/05/1995US5473519 Light ring for power tools
12/05/1995CA2081488C Ultrasonic bolting control apparatus
11/1995
11/29/1995CN2213612Y Locating button control structure of fastening piece install tool
11/28/1995US5470180 Reversible drill/driver tool
11/28/1995US5469924 Screw tightening apparatus
11/28/1995US5469767 Screwdriving apparatus for use in driving screws joined together in a strip
11/28/1995CA2124476A1 Wire twisting tool
11/23/1995WO1995031313A1 Dual-peak torque measuring apparatus
11/23/1995DE4417210A1 Device to hold tools like drills for drive with torque limiting clutch
11/23/1995CA2190099A1 Dual-peak torque measuring apparatus
11/22/1995EP0682917A1 Screw for holding together two bone fragments and surgical equipment for inserting the screw
11/22/1995CN2213048Y Multipurpose handle of wrench and screwdriver
11/21/1995US5467874 Ball lock socket holder
11/21/1995US5467674 Combined torque limiting and marking wrench
11/16/1995DE4417003A1 Assembling valve body to second part, e.g. electromagnet, by thread
11/09/1995WO1995029794A1 Screwstrip locating exit and screwdriver provided therewith
11/09/1995WO1995029793A1 Screw strip with overlapping washers, and method and apparatus for installation
11/09/1995DE4416268A1 Allen=key for screwing=in or unscrewing screw with hexagonal recessed hole
11/08/1995EP0680808A1 Impact tool having speed control circuit
11/07/1995US5464407 Flexible surgical screwdriver and methods of arthroscopic ligament reconstruction
11/07/1995US5464229 Quick release chuck device
11/02/1995EP0679762A1 Screwing machine
11/02/1995EP0679477A2 Device for placing roofing washers
10/1995
10/31/1995US5461952 Back-side taper wedging drive system
10/31/1995US5461947 Tool holder with ejection slot
10/31/1995US5461946 Setting tool for threaded rods
10/26/1995WO1995028242A1 Improved fastening machines
10/26/1995CA2147735A1 Impact tool having speed control circuit
10/24/1995US5460062 Reaction unit for threaded connector manipulating device and combination thereof
10/23/1995CA2121926A1 Universal screw-driver
10/19/1995DE4413328A1 Torque measurement device for stationary screwdriver
10/18/1995EP0677356A2 Sensor impulse unit and method
10/18/1995CN2210276Y New structure with function of controlling fastening force of screw thread
10/18/1995CN2210069Y Electronic digital display torgue indicating wrench
10/18/1995CN1030060C Device for supplying units
10/17/1995US5458206 Power tool and mechanism
10/17/1995US5458030 Screwdrivers