| Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046) |
|---|
| 11/30/1988 | EP0292604A2 Device for mechanically fastening roof sealing foils and insulating materials to roofs |
| 11/29/1988 | US4787278 Tool bit driver with spring retainer |
| 11/29/1988 | US4787273 Wrench retaining device |
| 11/29/1988 | US4787136 Control and monitoring arrangement for tools |
| 11/22/1988 | US4785520 Process for locating the ideal screwing position of bolts of large dimensions |
| 11/17/1988 | EP0291215A2 Gasket joint tightening |
| 11/17/1988 | DE3714150A1 Device for measuring the load-dependent torsion of a rotating shaft |
| 11/15/1988 | US4784549 Torque-limited collar |
| 11/15/1988 | US4784026 Pneumatic screw aligner-feeder |
| 11/09/1988 | EP0290411A2 Hydraulic torque impulse generator |
| 11/09/1988 | CN88201520U Screw-driver magnetism generator |
| 11/08/1988 | US4782574 Method for mounting a socket |
| 11/08/1988 | CA1244266A1 Rivet/stud feeder |
| 11/02/1988 | EP0289455A2 Tool for setting dowels |
| 11/02/1988 | CN87214448U “磁性扳手” "Magnetic wrench" |
| 11/02/1988 | CN87213305U Magnetic force screw revolving device |
| 11/01/1988 | US4781220 Fast response shut-off valve |
| 11/01/1988 | US4781085 Locking socket wrench extension |
| 11/01/1988 | CA1243865A1 Device including a screw pin and a driven member for screwing the pin into a tooth |
| 10/27/1988 | DE3808238A1 Screwdriver with torque limiting device - has hollow handle accommodating shaft surrounded by friction-locking spiral spring with one end fixed to handle |
| 10/27/1988 | DE3711740A1 Screwdriver |
| 10/25/1988 | US4779494 Screwdriver having screw gripping feature |
| 10/25/1988 | US4779493 Combination pocket tool |
| 10/19/1988 | EP0287040A2 Fixing device |
| 10/18/1988 | US4778730 Method of applying non-slip coating to tools and resulting product |
| 10/18/1988 | US4778015 Pneumatic power wrench |
| 10/18/1988 | US4777853 Bolt starter for starting bolts and the like through unaligned holes |
| 10/12/1988 | EP0285815A1 Method and tool for automatically fastening screws |
| 10/11/1988 | US4776246 Combination screwdriver hand tool |
| 10/11/1988 | US4776242 Automatic multiple feed apparatus |
| 10/06/1988 | WO1988007435A1 Torque spanner |
| 10/06/1988 | DE3710401A1 Drehmomentschluessel Torque Wrenches |
| 10/05/1988 | EP0284974A1 Power screw driver with torque limitation |
| 10/05/1988 | EP0284755A1 Screwing device |
| 10/04/1988 | US4774864 Dynamometric screw-driver |
| 10/04/1988 | US4774863 Fastener feeder and driver apparatus |
| 10/04/1988 | US4774736 Tool kit for skateboarders |
| 09/29/1988 | DE3710769C1 Magnetic end-face rotary coupling (clutch) |
| 09/27/1988 | US4773289 Torque wrench device |
| 09/27/1988 | US4773156 Apparatus for securing parts |
| 09/21/1988 | EP0282585A1 Manipulator |
| 09/20/1988 | US4772186 Automatic fluid torque responsive shut-off mechanism for an air tool |
| 09/14/1988 | EP0282304A2 Torque transducers |
| 09/14/1988 | EP0281775A2 Variable speed gearing in rotary electric tool |
| 09/13/1988 | US4770073 Socket wrench extension |
| 09/13/1988 | CA1241853A1 Device for holding a screw or the like |
| 09/07/1988 | EP0281285A2 Ratchet wrench with manual disassembly capability |
| 09/06/1988 | US4768407 Marking device |
| 09/06/1988 | US4768406 Torque compensating apparatus |
| 09/06/1988 | US4768405 Locking socket wrench drive device |
| 09/06/1988 | US4768388 Preexisting torque measuring device for threaded fasteners |
| 09/01/1988 | DE3705672A1 Turning device |
| 08/31/1988 | EP0280506A2 Screw holder |
| 08/31/1988 | EP0279942A2 Screw holding device |
| 08/30/1988 | US4768137 Screwdriver structure with illuminating function |
| 08/30/1988 | US4766783 Extension device for power screwdriver |
| 08/30/1988 | US4766782 Screw and nail guide |
| 08/23/1988 | US4765449 Press-in reversing knob |
| 08/23/1988 | US4765009 Multi-functional bar of a manually operated jack |
| 08/23/1988 | CA1240857A1 Tools for use in tightening or removing screw- threaded fasteners |
| 08/18/1988 | DE3704086A1 Drilling and screwing instrument |
| 08/16/1988 | US4763548 Screwdriver, particularly for surgical purposes |
| 08/09/1988 | US4762035 Depth adjusting device for screwdrivers |
| 08/09/1988 | US4762033 Ratchet wrench with manual disassembly capability |
| 08/09/1988 | US4762032 Socket release assembly for ratchet drive |
| 08/09/1988 | CA1240125A1 Method of and apparatus for closing joint devices to obtain consistent torque values |
| 08/03/1988 | EP0277105A1 Power tool for two step tightening of screw joints |
| 08/02/1988 | US4760746 Torque to yield indicator and method |
| 07/26/1988 | US4759242 Device in impact wrenches |
| 07/26/1988 | US4759241 Screw driver |
| 07/26/1988 | US4759237 Self-locking nut and tightening tool |
| 07/26/1988 | US4759225 Torque tool and torque tool analyzer |
| 07/20/1988 | EP0274576A2 Improved hand grip drive for torque wrenches |
| 07/20/1988 | EP0274575A2 Floating fulcrum for torque wrenches |
| 07/20/1988 | CN87211468U Megnetic screwdriver |
| 07/20/1988 | CN87210766U Quick-spanner |
| 07/19/1988 | US4758754 Portable electric tool with variable torque |
| 07/19/1988 | US4757721 Torque transducers |
| 07/12/1988 | US4756216 Turn-on and turn-off control apparatus for electric screw-drivers |
| 07/07/1988 | DE3643908A1 Screwing device driven by a pressure medium |
| 07/06/1988 | EP0273434A1 Driver for reinforcement bar chemical anchor |
| 07/05/1988 | US4754670 Adjustable extension torque bar |
| 06/28/1988 | US4753626 Constant velocity universal joint and apparatus embodying the same |
| 06/28/1988 | US4753142 Power-driven screwing head |
| 06/23/1988 | DE3714994C1 Screwdriver with a screw-holding device |
| 06/22/1988 | EP0271903A2 Apparatus for tightening screw-threaded fasteners |
| 06/22/1988 | EP0271902A2 Method of and apparatus for tightening screw-threaded fasteners |
| 06/14/1988 | US4750750 Socket drive adapter |
| 06/14/1988 | US4750390 Hand wrenching tool for installation of torque limited fasteners |
| 06/14/1988 | CA1237924A1 Automatic assembly machine |
| 06/09/1988 | DE3644442C1 Screwing tool for externally threaded bolts or the like |
| 06/07/1988 | US4748878 Impact socket wrench or an attachment assembly with hammering effect |
| 06/07/1988 | US4748877 Supply apparatus for supplying a screw or a similar article |
| 06/07/1988 | US4748875 Ratchet box wrench with offset handle |
| 06/07/1988 | US4748874 Wrenches |
| 06/07/1988 | US4748873 For torquing a member |
| 06/07/1988 | US4748872 Flexible power tools |
| 06/07/1988 | CA1237664A1 Power tongs and control system |
| 06/01/1988 | DE3639798A1 Screwing device in the form of drilling machine attachment |
| 05/24/1988 | US4745831 Setting tool for screwing-in threaded rods |