| Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046) |
|---|
| 03/17/1992 | US5095781 Ratchet spinner |
| 03/11/1992 | CN2098349U Quick rotating tool rein operated with one hand |
| 03/10/1992 | US5094301 Programmable pulsed torque recovery system |
| 03/10/1992 | US5094133 Screwdriver with switch-off means for screw-in depth and screw-in torque |
| 03/05/1992 | WO1992003262A1 Tightening device for a threaded fastener |
| 03/04/1992 | CN2097720U Position screwdriver |
| 03/03/1992 | US5092460 Method of and apparatus for fastening a fastening member |
| 03/03/1992 | US5092410 Adjustable pressure dual piston impulse clutch |
| 03/01/1992 | CA2024501A1 Surface protective fastener tool |
| 02/26/1992 | CN2097071U Dual-purpose screwdriver |
| 02/26/1992 | CN2097068U Magnetic screwdriver |
| 02/25/1992 | US5090545 Screw gun nose cone adapter |
| 02/25/1992 | US5090275 Retainer apparatus for a wrench unit |
| 02/19/1992 | CN2096452U Hand screwdriver |
| 02/19/1992 | CN2096451U Multipurpose combined tool for repairing instrument |
| 02/18/1992 | US5088360 Universal lock-on wrench |
| 02/18/1992 | US5088359 Fastener nose piece feeder |
| 02/13/1992 | DE4025430A1 Torque controlled screwing head - has electroacoustic sensor to measure distortion of bolt under torque |
| 02/12/1992 | CN2095744U Numerical controlling indirect fixing torque device for pneumatic wrench machine |
| 02/12/1992 | CN1058637A Retaining pin module |
| 02/06/1992 | DE4024577A1 Controlling tightening force of bolt connection - by tightening, releasing, retightening using force computed from torque angle differential, achieved torque and bolt pitch |
| 02/05/1992 | EP0469386A1 Hand power screwdriver |
| 01/29/1992 | EP0468859A1 Screwing tool with predeterminable torque |
| 01/29/1992 | CN2094464U Pendulum rod striking tyre spanner |
| 01/29/1992 | CN2094430U Micro computer controlled torque machine |
| 01/29/1992 | CN2094429U Anti-slip screw driver |
| 01/28/1992 | US5083483 Screw positioning device |
| 01/28/1992 | US5083358 Method of preventing twisted-off bolt head while tightening a bolt |
| 01/22/1992 | EP0467262A1 Device for tightening threaded fasteners during ultrasonic action for assembly purposes |
| 01/22/1992 | CN2093725U Screwdriver with gripping means |
| 01/21/1992 | US5082066 Torque impulse delivering power tool |
| 01/15/1992 | EP0466675A1 Tool, especially wrench |
| 01/15/1992 | EP0466609A1 Tool for placing insertable clamps |
| 01/15/1992 | CN2093072U Torsion, twisting angle inertia dynamic spanner |
| 01/15/1992 | CN2093071U Magnetic multipurpose rotating utensil |
| 01/15/1992 | CN2093070U Clamp type screwdriver |
| 01/15/1992 | CN2093069U Screwdriver with claw |
| 01/15/1992 | CN2093067U Screwdriver with revolving handle |
| 01/15/1992 | CN2093066U Dual-purpose screwdriver |
| 01/15/1992 | CN1057805A Multipurpose screw driver |
| 01/14/1992 | US5080181 Pressure detecting device for torque control wrench |
| 01/14/1992 | US5080157 Seal for use between relatively rotating members |
| 01/09/1992 | WO1992000164A1 Illuminated screwdriver |
| 01/08/1992 | EP0464434A1 Device for fixing fasteners with an arranged profile part unter the fastener head |
| 01/08/1992 | EP0433284A4 Locking socket wrench drive device |
| 01/08/1992 | CN2092413U 万能工具手柄 Universal Tool handle |
| 01/08/1992 | CN2092411U Screwdriver with removable heads |
| 01/08/1992 | CN2092410U Screwdriver with two heads |
| 01/02/1992 | EP0463521A1 Method and device for controlling the working of electrically powered hand-tools |
| 01/01/1992 | CN2091748U Screwdriver with clamping head |
| 12/31/1991 | US5076480 Variable pitch feed of fasteners |
| 12/31/1991 | CA1293623C Apparatus and method for determining torque and presenting digital torque readout in a torque wrench system |
| 12/27/1991 | EP0462835A2 Pneumatic collar installation tool |
| 12/27/1991 | EP0462257A1 Die chuck for multiple-cornered ends of tool spindles. |
| 12/25/1991 | CN2091211U Sleeve piece torque fixed spanner |
| 12/25/1991 | CN2091210U 磁性螺丝刀 Magnetic screwdriver |
| 12/25/1991 | CN2091207U Multi-functional screwdriver |
| 12/25/1991 | CN2091206U Multi-functional screwdriver |
| 12/24/1991 | US5074172 Spark plug socket wrench |
| 12/22/1991 | CA2045221A1 Pneumatic collar installation tool |
| 12/19/1991 | CA2044088A1 Screw driving machine with a belt support and guidance mechanism |
| 12/18/1991 | CN2090757U Tool for screwing off and on |
| 12/17/1991 | CA1293142C Supplementary device for inserting screws by means of a power-driven screw driver |
| 12/12/1991 | WO1991019061A1 Device for fastening web-, plate- and/or profile-type components to a solid substructure |
| 12/12/1991 | WO1991018707A1 Self-contained lock wire securing tool |
| 12/12/1991 | DE4017984A1 Adaptor for bolt spanner for controlled tightening - has torque digital indicator and simple programming using rotatable control ring |
| 12/11/1991 | EP0460920A1 Ultrasonic transducer socket assembly |
| 12/11/1991 | EP0460176A1 Improved composite wrench. |
| 12/11/1991 | CN2090308U Screwdriver with illuminating device |
| 12/11/1991 | CN2090307U Screwdriver with pliers |
| 12/10/1991 | US5070750 Torque limiting apparatus |
| 12/07/1991 | CA2043923A1 Ut socket assembly |
| 12/04/1991 | CN2089866U Electrician tool for hanging on bosom |
| 12/04/1991 | CA2018143A1 Palm pad |
| 11/27/1991 | EP0458449A1 Driver with fastener retention means |
| 11/27/1991 | EP0458447A2 Expandable drive tool tip for screw retention |
| 11/27/1991 | EP0458145A1 Stud driving chuck |
| 11/26/1991 | CA1292395C Air tool with torque shut-off valve |
| 11/26/1991 | CA1292376C Extension device for power screwdriver |
| 11/20/1991 | CN1014781B Torque wrench |
| 11/19/1991 | US5065898 Apparatus for orienting and injecting fasteners |
| 11/19/1991 | US5065649 Device for holding fasteners |
| 11/13/1991 | EP0455685A1 System to control a motor for the assembly or dis-assembly of two members. |
| 11/07/1991 | DE4012072A1 Pliers guiding screws into position - can then tighten screws, using jaws pivoting on balls |
| 11/06/1991 | EP0454835A1 Wrench |
| 11/05/1991 | US5062491 Apparatus for controlling nut runner |
| 10/30/1991 | EP0454375A2 Screwing device |
| 10/30/1991 | EP0453650A1 Ultrasonic drive/sense circuitry for automated fastener tightening |
| 10/30/1991 | CN2087556U Hydraulic assembling/disassembling fastener device with power source |
| 10/29/1991 | US5061885 Power screwdriver |
| 10/29/1991 | US5060772 Power-operated tool |
| 10/29/1991 | US5060771 Adjustable automatic shut-off mechanism for lever or trigger controlled air tool |
| 10/29/1991 | US5060733 Power-driven screwing tool |
| 10/28/1991 | CA2032326A1 Ultrasonic drive/sense circuitry for automated fastener tightening |
| 10/22/1991 | US5058439 Ut socket assembly |
| 10/16/1991 | EP0452292A1 A socket holder |
| 10/16/1991 | CN2086649U Multifunctional clyburn spanner |
| 10/16/1991 | CN2086648U 改锥 Screwdriver |
| 10/15/1991 | US5056684 Roofing washer-dispensing machine |
| 10/15/1991 | US5056387 Screw-holding screwdriver |