| Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046) |
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| 05/18/1988 | EP0267891A2 Elastomeric sleeve for wrench socket and method of manufacture thereof |
| 05/17/1988 | US4744273 Fastener retaining attachment for wrench sockets |
| 05/11/1988 | EP0266478A2 Command and control device for a tool |
| 05/11/1988 | DE3636513A1 Gripper device for carrying out screwing operations |
| 05/05/1988 | WO1988003232A1 A method and a device to prevent relative displacement between two elements |
| 05/05/1988 | DE3704202C1 Offset screwing tool supplied with auxiliary power |
| 05/05/1988 | DE3637416A1 Wrench for screwed closures |
| 05/04/1988 | EP0266066A1 Power tool |
| 05/03/1988 | US4741229 Stud installer |
| 04/28/1988 | DE3636302A1 Overload coupling |
| 04/27/1988 | EP0264698A2 Method of and device for tightening a screw connection |
| 04/27/1988 | EP0264559A2 Spindle with switchable speed |
| 04/27/1988 | CN87207486U Combined serewdriver |
| 04/26/1988 | US4739838 Hand-squeeze powered motorless driver |
| 04/21/1988 | DE3635008A1 Method for marking hand tools |
| 04/21/1988 | DE3634734A1 Tool-mounting head for a hand-guided electric tool |
| 04/20/1988 | EP0264034A2 Method of and device for tightening a screw connection |
| 04/19/1988 | US4738168 Wrench |
| 04/19/1988 | US4738145 Monitoring torque in tubular goods |
| 04/12/1988 | US4736880 Punch assembly for garment fastener attaching apparatus |
| 04/12/1988 | US4736658 Screw holding and driving device |
| 04/07/1988 | DE3703850A1 Screwdriver with impact cap, which can also be actuated by an accessory device |
| 04/05/1988 | US4735595 Hydraulic torque impulse tool |
| 03/29/1988 | US4733584 Socket wrench extension |
| 03/24/1988 | WO1988001924A1 Manipulator |
| 03/23/1988 | EP0213121A4 Fastener wrenching means. |
| 03/22/1988 | US4732296 Track feed arrangement for an automatic screw feeding machine |
| 03/22/1988 | US4732062 Floating fulcrum for torque wrenches |
| 03/22/1988 | US4732060 Clamp for bicycle crank bearing wrench |
| 03/22/1988 | US4732059 For a construction reinforcement bar in concrete |
| 03/17/1988 | DE3629286A1 Guide element for a screw by which a connection can be made between a hollow bar and a connecting body |
| 03/16/1988 | CN87203542U Screw-driver with jaw |
| 03/15/1988 | US4730967 Adjustable anti-rotation device for a fastener receptacle |
| 03/15/1988 | US4730960 Flexible socket extension |
| 03/10/1988 | DE3637852C1 Coupling for power-driven screwdrivers/wrenches |
| 03/08/1988 | US4729271 Screwdriver handle |
| 03/08/1988 | US4729270 Socket driver spanner |
| 03/08/1988 | CA1233681A1 Carriage bolt pliers |
| 03/01/1988 | US4728123 Releasable strap system |
| 02/24/1988 | EP0256289A1 Device for setting fasteners or bolts |
| 02/16/1988 | US4724731 Lag driver |
| 02/10/1988 | EP0255746A1 Device for positioning a means of fixing consisting of a screw and a plate |
| 02/03/1988 | EP0255433A1 Portable pneumatic machine with an electronic control system |
| 02/03/1988 | CN87200576U Screw catching attachment of screwdriver with consecutive feed |
| 02/02/1988 | CA1232160A1 Stabilizing holding socket |
| 01/28/1988 | DE3624680A1 Hand-guided tool |
| 01/27/1988 | CN87211681U Head changeable tube-type torque spanner |
| 01/26/1988 | US4721493 Universal joint with intermeshing curvilinear gears |
| 01/26/1988 | US4721169 Electric driver with torque-adjustable clutch mechanism |
| 01/26/1988 | US4721166 Automatic shut-off valve for power tools |
| 01/26/1988 | US4721022 Wrenching tool |
| 01/19/1988 | US4720223 Controlled preload, self-retracting captive fastener assembly |
| 01/19/1988 | US4719828 Screw starter devices |
| 01/12/1988 | US4718316 Nut-holder attachment for a wrench |
| 01/07/1988 | DE3622199A1 Special screwdriver |
| 01/05/1988 | US4716793 Polygonal tool for removal of stripped hex head fasteners |
| 12/29/1987 | US4715211 Single pulse peak circuit for torque verification |
| 12/23/1987 | EP0249659A2 Screw spindle, screw device and process for their use |
| 12/17/1987 | DE3623187C1 Spanner set consisting of a large number of similar fork spanners (fork wrenches, open-end wrenches) of different spanner openings |
| 12/16/1987 | EP0248816A1 Assembly and disassembly of interchangeable surgical members |
| 12/15/1987 | US4712456 Electric torsion-controlled screwdriver with an improved automatic turn-off device |
| 12/09/1987 | EP0248228A1 Device for automatically feeding and turning screws |
| 12/09/1987 | EP0248101A1 Mechanism for feeding fasteners mounted on magazine strips to an application tool |
| 12/08/1987 | US4711145 Ratchet handle |
| 12/03/1987 | WO1987007225A1 Wheel wrench support |
| 12/03/1987 | DE3718143A1 Adjusting mechanism for torque spanner |
| 12/01/1987 | US4709602 Hand grip drive for torque wrenches |
| 12/01/1987 | US4709598 Method of manufacturing unidirectional drive tool |
| 11/26/1987 | DE3616932A1 Hand-held power screwdriver |
| 11/24/1987 | US4709182 Method and apparatus for tightening or loosening screw-type connections |
| 11/19/1987 | EP0246144A1 Identification device for a flat-handled tool, especially for a wrench or the like |
| 11/17/1987 | US4706659 Flexible connecting shaft for intramedullary reamer |
| 11/17/1987 | US4706526 Fluid operated wrench |
| 11/10/1987 | US4705201 Nosepiece for apparatus for installing fasteners |
| 11/10/1987 | US4704929 Device for setting screw |
| 11/05/1987 | DE3614862A1 Tool-spanner (wrench) storage device |
| 11/03/1987 | US4703677 Variable length socket extension and screwdriver |
| 10/29/1987 | DE3712575A1 Steuersystem, insbesondere zur drehmomentsabhaengigen steuerung von wellen Control system, in particular for control of waves drehmomentsabhaengigen |
| 10/28/1987 | EP0243218A1 Positioning device for screwing and unscrewing a nut |
| 10/22/1987 | WO1987006173A1 An adapter |
| 10/22/1987 | DE3612466A1 Screwdriver with at least one compressed-air channel and at least one air intake channel to an axially displaceable guide sleeve for the screwing spindle |
| 10/22/1987 | DE3611884A1 Hand tool, especially a screwdriver, driven by a rechargeable battery (accumulator) |
| 10/20/1987 | US4700471 Device for orienting and conveying a headed fastener |
| 10/14/1987 | EP0240931A1 Power wrench |
| 10/13/1987 | US4699029 Wrench socket |
| 10/07/1987 | EP0239698A2 A power operated screwdriver |
| 10/07/1987 | EP0239670A2 Motor-driven machine with torque adjustment, in particular an electrical hand tool |
| 10/07/1987 | CN86208177U Screw nail holder |
| 10/06/1987 | CA1227676A1 Tool to capture, control and manipulate threaded fasteners |
| 09/29/1987 | US4696208 Direction-changeable structure of hand tool handle |
| 09/29/1987 | US4696206 For gripping a section of pipe |
| 09/24/1987 | DE3608636A1 Nuclear or chemical equipment |
| 09/17/1987 | DE3704764A1 Device for setting a torque limitation on a screwdriver |
| 09/17/1987 | DE3608533A1 Ring spanner (box wrench) for the union nut on an ejection pipe |
| 09/17/1987 | DE3608167A1 A safety-spanner system for the mounting and dismounting of bearing shells in machines |
| 09/10/1987 | DE3607363A1 Screwing tool, in particular torque screwdriver |
| 09/09/1987 | EP0110978B1 Tool to capture, control and manipulate threaded fasteners |
| 09/08/1987 | US4692073 Handle adapter and chuck apparatus for power bits |
| 09/08/1987 | US4691786 Bolt-nut tightening device having means for preventing abnormal rotation |
| 09/02/1987 | EP0235102A1 Hydraulic torque impulse generator |