Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046) |
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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 |