| Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046) |
|---|
| 05/23/1989 | US4832133 Tightening system and a method of tightening |
| 05/23/1989 | US4832021 Apparatus and method for assembly and disassembly of interchangeable surgical acoustic members |
| 05/23/1989 | CA1254407A1 Two-blade type impulse wrench |
| 05/17/1989 | EP0315971A1 Safety system for pneumatic tools |
| 05/16/1989 | US4829857 Quick change handle for tools |
| 05/16/1989 | US4829856 Wrench-jack adapter to loosen wheel nuts |
| 05/16/1989 | EP0248816A4 Assembly and disassembly of interchangeable surgical members. |
| 05/09/1989 | US4827813 Torque wrench with amplifying gauge |
| 05/09/1989 | CA1253661A1 Versatile chained tool set |
| 05/03/1989 | DE3735007A1 Nut-screwing device |
| 05/02/1989 | US4825733 Multi-leverage, variable handling twist turn wrench |
| 05/02/1989 | US4825732 Elastomeric sleeve for conventional wrench sockets |
| 04/25/1989 | US4824280 Locking adapter for interconnecting a drivable element to a drive tool |
| 04/25/1989 | US4823885 Torque adjusting device for power driven rotary tools |
| 04/25/1989 | US4823653 Free spinning, self-locking threaded fastener, and method and tool for setting it |
| 04/25/1989 | US4823652 Nut grabber |
| 04/25/1989 | US4823650 Power driven wire nut wrench |
| 04/25/1989 | US4823616 Torque and angular displacement sensing in yield threshold controlled wrenches |
| 04/20/1989 | DE3805301C1 Device for measuring the prestressing force of screwed connections |
| 04/18/1989 | US4821877 Screw magazine for an apparatus for inserting and removing screws |
| 04/18/1989 | CA1252650A1 Ratchet wrench |
| 04/13/1989 | DE3832080A1 Torque wrench with determination of the angle of rotation of the workpiece |
| 04/11/1989 | US4819856 Method and apparatus for inserting fasteners |
| 04/11/1989 | US4819521 Ratchet box wrench with offset handle |
| 04/11/1989 | US4819519 Automatic stud driver having thread relief for high torque applications |
| 04/11/1989 | CA1252315A1 Torque limiting wrench with an audio alarm |
| 04/05/1989 | EP0309625A1 Hydraulic pulse wrench |
| 04/05/1989 | CN2035302U Wrench with torque measuring |
| 04/05/1989 | CN2035300U Screwdriver |
| 04/05/1989 | CN2035299U Screwdriver with illuminating device |
| 04/04/1989 | US4818157 Use with a chuck of an electric drill |
| 04/04/1989 | US4817667 Metering regulator for pneumatic tools |
| 04/04/1989 | US4817476 Socket wrench extension |
| 04/04/1989 | US4817475 Wrench socket |
| 04/04/1989 | US4817275 Device for positioning a means of fixing consisting of a screw and a plate |
| 03/30/1989 | DE3738679A1 Einrichtung und verfahren zur bestimmung und anzeige des drehmomentes an druckmittelbetriebenen schraubwinden sowie zur automatischen betaetigung und beendigung der betaetigung solcher schraubwinden Appliances and Method for the determination and display of torque at fluid-operated screw jacks as well as for automatic actuation and termination of the operation of these screw jacks |
| 03/29/1989 | EP0308968A1 Off-axis bit or the like |
| 03/29/1989 | CN2034893U Screw driver with lighting function |
| 03/28/1989 | US4815344 Control mechanism of a bolt stressing unit |
| 03/22/1989 | CN2034509U Tube type wrench with torque measuring |
| 03/21/1989 | US4813492 Low pressure shut off device contained within a pneumatic tool |
| 03/21/1989 | US4813312 Power-wrench, a boiling spindle and an operational method |
| 03/16/1989 | DE3804749A1 Screwdriver with screw holder, in particular for bone screws |
| 03/15/1989 | CN2034106U Fixed torque value wrench |
| 03/14/1989 | US4811647 Nut and washer retainer and driving tool |
| 03/14/1989 | US4811637 Protection device for hand wrenches |
| 03/08/1989 | EP0306461A1 Tool having a built-in light source |
| 03/08/1989 | EP0305754A1 Method for controlling a screwdriver |
| 03/07/1989 | US4809572 Power driven screwdriver |
| 03/07/1989 | US4809568 Barrel assembly for installation tool and method of installation |
| 03/07/1989 | CA1250771A1 Adjustable, anti-rotation device for a fastener receptacle |
| 02/28/1989 | US4808976 Torque indicator |
| 02/28/1989 | US4807499 Socket drive and socket with stable universal coupling |
| 02/28/1989 | US4807349 Fastener removing method |
| 02/28/1989 | CA1250459A1 Open access stud gripping tool |
| 02/23/1989 | DE3718405A1 Screwdriver with screw feed |
| 02/21/1989 | US4805495 Bolt head reforming tool |
| 02/21/1989 | US4805464 Dial torque wrench structure |
| 02/21/1989 | US4805404 Portable pneumatic machine having embodied control electronics |
| 02/16/1989 | DE3724949A1 Handle for a tool for carrying in a motor vehicle |
| 02/14/1989 | US4804048 Hand-held tool with shaft lock |
| 02/14/1989 | US4803904 Extension device for power screwdriver |
| 02/08/1989 | EP0302229A2 Rotary electric tool with a variable speed gearing |
| 02/07/1989 | CA1249739A1 Fastener and nosepiece for installing lath |
| 02/07/1989 | CA1249738A1 Stud installer |
| 01/31/1989 | US4800788 Non-slip screwdriver |
| 01/31/1989 | US4800786 Elastomeric sleeve for wrench socket and method of manufacture thereof |
| 01/18/1989 | EP0299477A1 Hydraulically operable hand tool |
| 01/17/1989 | CA1248788A1 Multibit hand tool with improved bit insertion |
| 01/17/1989 | CA1248787A1 Adjustable torque limiting assembly |
| 01/11/1989 | CN2030531U Screwdriver with a gripper |
| 01/10/1989 | US4797040 Strap on drill paraphernalia holding system (DPHS) |
| 01/05/1989 | DE3718505A1 M 100 toothed screwdriver |
| 01/04/1989 | EP0297515A1 Torque and angular displacement sensing in yield threshold controlled wrenches |
| 01/04/1989 | CN2030135U Automatic torque controller of power-driven screw driver |
| 01/03/1989 | US4794828 Quick release mechanism for ratchet wrench |
| 01/03/1989 | US4794827 Drain plug removing device |
| 01/03/1989 | US4794825 Hydraulic power wrench |
| 01/03/1989 | CA1247886A1 Handle with alternate tool orientation |
| 12/29/1988 | DE3645027A1 Screwing device driven by a pressure medium |
| 12/28/1988 | CN87215416U 螺丝刀 Screwdriver |
| 12/27/1988 | US4793753 C-shaped sheet-metal nut |
| 12/27/1988 | US4793056 Plug removal apparatus |
| 12/22/1988 | DE3744362A1 Torque wrench |
| 12/22/1988 | DE3743867A1 Torque wrench |
| 12/21/1988 | CN88201838U Electric ratchet wheel wrench |
| 12/20/1988 | US4791839 Apparatus and method for determining torque and presenting digital torque readout in a torque wrench system |
| 12/20/1988 | US4791838 Apparatus and method for determining torque, presenting digital torque readout and automatic cycling and termination of wrench operation in a torque wrench system |
| 12/20/1988 | US4791837 Speed wrench and hand grip combination |
| 12/20/1988 | CA1246946A1 Impulse tool having shut off system |
| 12/15/1988 | WO1988009708A1 Screw tool and screws usable therewith |
| 12/14/1988 | CN88204311U Adjustable torque value spanner |
| 12/13/1988 | US4790218 For imparting rotational torque to objects |
| 12/13/1988 | CA1246357A1 Different taper stud remover/installer |
| 12/07/1988 | EP0293706A1 Screwing tool |
| 12/06/1988 | US4789373 Hydraulic torque impulse generator |
| 12/01/1988 | WO1988009543A1 Torque selector |
| 11/30/1988 | EP0293310A1 Method to calibrate an electronic dynamometric wrench |
| 11/30/1988 | EP0292758A2 Attachment for tightening screws with the help of a powerdriven screwdriver |
| 11/30/1988 | EP0292752A2 Hydraulically impulsed screwdriver |