| Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046) |
|---|
| 10/11/1989 | CN1036162A Torque wrench |
| 10/04/1989 | EP0335809A1 Electromechanical torque wrench |
| 10/04/1989 | EP0335700A2 Combined locking mechanism and switch |
| 10/03/1989 | US4870879 Quick-set dial type torque wrench |
| 10/03/1989 | US4870750 Device for machine-fastening roofing materials to roofs |
| 09/28/1989 | DE3907567A1 Screwdriver bit |
| 09/27/1989 | EP0172171B1 Feeders for headed fasteners |
| 09/27/1989 | CN2044923U Turning apparatus with telescopic magic hand |
| 09/27/1989 | CN2044922U Length adjustable combined screw-driver |
| 09/26/1989 | US4869139 Rotating driver with automatic speed and torque switching |
| 09/26/1989 | US4869136 Fastener gripping mechanism for bolt running operations |
| 09/26/1989 | US4869131 Variable speed gearing in rotary electric tool |
| 09/21/1989 | WO1989008536A1 Screwdriver bit |
| 09/20/1989 | EP0332839A1 Automatically charged screw driver |
| 09/20/1989 | EP0332722A1 Tensioning head for rodshaped anchors, especially wall anchors |
| 09/19/1989 | US4867019 Screwdriving tool |
| 09/13/1989 | EP0331874A1 Magazine with several expansion dowels |
| 09/13/1989 | EP0331868A2 Torque spanners |
| 09/12/1989 | US4865485 Socket extension with safety wedge |
| 09/12/1989 | US4864903 Apparatus and method of determining torque, presenting digital torque readout and automatic cycling and termination of wrench operation |
| 09/12/1989 | US4864841 Electronic torque wrench |
| 09/08/1989 | WO1989008066A1 Part vibrating and arraying apparatus |
| 09/08/1989 | WO1989008013A1 Tool having a built-in light source |
| 09/06/1989 | EP0330870A2 Tool shaft |
| 09/06/1989 | CN2043907U Torque wreneh with electronic acoustics |
| 09/05/1989 | US4862776 Drain plug removing device |
| 09/05/1989 | US4862774 Screw holder |
| 08/31/1989 | DE3837654A1 Arrangement of screws |
| 08/31/1989 | DE3802188A1 Power driver with an electric drive motor and a switching-off device assigned to the latter |
| 08/30/1989 | EP0329852A2 Powered wrench |
| 08/30/1989 | EP0329648A1 Device to prevent relative displacement between two elements |
| 08/24/1989 | WO1989007509A1 Self-locking mechanism for square drive tools |
| 08/23/1989 | EP0328799A2 Variable torque driver tool |
| 08/22/1989 | US4858939 Bit retention and release mechanism |
| 08/22/1989 | US4858504 Screwdriver with insulated shaft and polygonal driving head |
| 08/22/1989 | US4858312 Torque control for automatic connector assembly tool |
| 08/22/1989 | US4858299 Process for making a joint with a torque-limited collar |
| 08/17/1989 | DE3744176A1 Multiple tool, in particular roof-rack wrench for a motor vehicle |
| 08/16/1989 | CN2042780U Nagative pressure motor scalper |
| 08/15/1989 | US4856389 Device for setting fastener elements and pins |
| 08/15/1989 | US4856388 Adjustable length extension |
| 08/15/1989 | US4856387 Hermaphrodite wrench |
| 08/09/1989 | CN2042405U Clamping sleeve of screwdriver |
| 08/09/1989 | CN2042403U 螺丝刀 Screwdriver |
| 08/03/1989 | DE3843925A1 Hydraulic power driver |
| 08/03/1989 | DE3819316A1 Principle of multiplication and reduction of the torque of a torque lever |
| 08/03/1989 | DE3811776A1 Hydraulic power screwing device |
| 08/03/1989 | DE3802154A1 Mouthpiece for use in screwing-in and/or setting-in devices for connecting elements |
| 08/02/1989 | EP0325728A1 Stud chuck |
| 08/01/1989 | US4852196 Combination drill and screwdriver |
| 07/27/1989 | DE3838882A1 Depth-sensing device for a screwing assembly |
| 07/27/1989 | DE3836179A1 Screwdriver |
| 07/27/1989 | DE3804043A1 Torque measuring device |
| 07/25/1989 | CA1257816A1 Portable power tool of an impulse type |
| 07/19/1989 | CN2041231U Combined safety screwdriver |
| 07/18/1989 | US4848197 Multiple bit handtool |
| 07/18/1989 | US4848196 Quick release and automatic positive locking mechanism for socket wrenches and extension bars for socket wrenches |
| 07/18/1989 | US4848194 Valve wrench |
| 07/18/1989 | CA1257487A1 Box end wrench |
| 07/12/1989 | CN2040838U Hydaulic spanner with function of measurement of screw pair |
| 07/11/1989 | US4846285 Air wrench |
| 07/11/1989 | US4846028 Fluid-operated wrench |
| 07/11/1989 | US4846001 Ultrasonic load indicating member |
| 07/11/1989 | US4845998 Apparatus for precision tensioning of threaded fasteners |
| 07/06/1989 | DE3831860A1 Arrangement for torque-dependent control of the compressed air supply in compressed air machine tools |
| 07/05/1989 | EP0323166A2 Wrench |
| 07/05/1989 | EP0322875A2 Clamping element and device for anchoring clamping elements |
| 07/05/1989 | EP0322490A1 A tool for removing a threaded fastener |
| 07/05/1989 | CN2040428U 万向管子扳手 Universal pipe wrench |
| 07/04/1989 | US4844177 Torque sensing, automatic shut-off and reset clutch for toggle controlled screwdrivers, nutsetters and the like |
| 07/04/1989 | US4844176 Air tool with torque shut-off valve |
| 06/29/1989 | WO1989005713A1 Tool for and a method of tightening a threaded fastener |
| 06/29/1989 | DE3818924A1 Power-driven screwing tool |
| 06/27/1989 | US4842078 Screw joint tightening power tool |
| 06/27/1989 | US4841832 Boltrunner |
| 06/21/1989 | EP0320791A2 Finger wrench |
| 06/21/1989 | EP0320723A2 Machine with variable torque adjustment |
| 06/21/1989 | CN2039646U Electronic warner for torgue force spanner |
| 06/20/1989 | CA1255931A1 Hand tool |
| 06/15/1989 | DE3837597A1 Drehmomentuebertragungseinrichtung, insbesondere fuer schraubwinden Drehmomentuebertragungseinrichtung, especially for screw jacks |
| 06/14/1989 | CN2039251U Quick-reinforcing torque wrench |
| 06/13/1989 | US4838364 Electrically powered screw tightening tool |
| 06/13/1989 | US4838361 Attachment for power tool |
| 06/13/1989 | US4838134 Torque wrench |
| 06/13/1989 | US4838133 Hydraulic pulse wrench |
| 06/13/1989 | US4838131 Nut starter |
| 06/07/1989 | CN2038964U Pre-tightened bolt tension device |
| 06/06/1989 | US4836349 Clutch type tightening apparatus for allowing free adjustment of tightening force |
| 06/06/1989 | US4836296 Fluid pressure impulse nut runner |
| 06/06/1989 | US4836067 Protective socket insert |
| 06/06/1989 | US4836063 Bolt tightening tool |
| 06/06/1989 | US4836059 Elastomeric sleeve for conventional wrench sockets |
| 05/30/1989 | US4834192 Two-speed power tool |
| 05/30/1989 | US4834131 Safety system for pneumatic tools |
| 05/30/1989 | US4833952 Torque limiting screw-tightening tool |
| 05/30/1989 | US4833951 Tool for mounting a socket |
| 05/30/1989 | US4833950 Variable angle screwdriver |
| 05/30/1989 | CA1254774A1 Power-driven screwing head |
| 05/30/1989 | CA1254773A1 Depth-adjusting system for a power tool |
| 05/24/1989 | DE3738899A1 Screw-feeding device for screwdriving machines |