Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046) |
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11/27/1990 | CA1276818C Adjustable motor-operated screw driving device |
11/22/1990 | EP0398655A2 Pressure detecting device for torque control wrench |
11/20/1990 | US4970921 Drop ceiling installing tool & method |
11/20/1990 | US4970919 Torquing apparatus |
11/07/1990 | CN2065123U Rapid screwdriver |
11/06/1990 | US4969105 Gasket compression control method having tension-related feedback |
11/06/1990 | US4968201 Adaptor for screwing or unscrewing threaded connection elements |
11/06/1990 | US4967888 Safety clutch for motor-operated hand tool |
10/31/1990 | DE3912991A1 Electric hand drill or screwdriver - has stop switch for automatic cut=out motor at required penetration depth |
10/31/1990 | CN2064701U Screwdriver with gripper |
10/30/1990 | US4966057 Power wrench |
10/25/1990 | DE3911744A1 Torque spanner requiring limited operating force - comprises lever tool activating pivoted arm and toggle whose tension is adjusted by spring |
10/24/1990 | EP0393852A1 A torque-indicating screwdriver |
10/24/1990 | CN2064289U 套筒改锥 Sleeve screwdriver |
10/24/1990 | CN2064287U Adjustable wrench |
10/24/1990 | CN1010117B Torque-limited collar, joint, process for setting the joint and driver |
10/23/1990 | CA1275360C Driver for reinforcement bar chemical anchor |
10/17/1990 | CN2063857U Multipurpose spanner |
10/17/1990 | CN2063856U Quick opening pipe tongs with universal steering head |
10/16/1990 | US4963144 Bone screw fixation assembly, bone screw therefor and method of fixation |
10/16/1990 | US4962787 Fluid flow reversing and regulating ring |
10/16/1990 | US4962682 Wrench extension and socket coupler |
10/11/1990 | DE3911002A1 Device for holding nails, screws and the like |
10/10/1990 | EP0391445A1 Device for actuating an air vent valve for radiators with a container |
10/10/1990 | CN2063467U Convenient screw turning tool |
10/10/1990 | CN2063466U Multi-function combined box end wrench |
10/10/1990 | CN2063463U Quick adjustable wrench |
10/10/1990 | CN1045939A Dual-purpose wrench |
10/04/1990 | WO1990008994A3 System to control a motor for the assembly or dis-assembly of two members |
10/03/1990 | EP0390763A1 Screw tightening power tool |
10/03/1990 | CN1045746A Device for conveying thin and long units |
10/02/1990 | US4961035 Rotational angle control of screw tightening |
10/02/1990 | US4960015 Extendable torque bar |
09/26/1990 | CN2062679U Easily recognized jacket set suitable for metric and imperial systems |
09/25/1990 | US4958541 Electronic torque wrench with tactile indication |
09/23/1990 | CA2006932A1 Torque driving member and retainer for driven member |
09/19/1990 | EP0387430A2 Method and apparatus for inserting fasteners |
09/19/1990 | EP0387392A2 Bone screw fixation assembly, bone screw therefor and method of fixation |
09/18/1990 | US4957002 Method, system and device for determining quality of assembly of tool parts |
09/12/1990 | EP0387153A1 Screwing device with adjustable torque |
09/12/1990 | EP0386950A1 Fastener driver |
09/12/1990 | EP0386895A1 Method, system and device for determining quality of assembly of tool parts |
09/12/1990 | CN2061885U 组合旋具 Combination screwdriver |
09/11/1990 | US4955097 Belt buckle wrench |
09/06/1990 | DE3941752A1 Drehmomentvorrichtung Torque device |
09/05/1990 | CN2061503U Screw holder |
08/29/1990 | EP0384107A1 Adjusting device for bearings |
08/28/1990 | US4951756 Torque control screwdriver |
08/28/1990 | US4951409 Shotgun choke wrench and case |
08/28/1990 | CA1273233A1 Power wrench |
08/22/1990 | EP0383458A1 Washer-dispensing and fastener-driving machine and a stackable washer for it |
08/21/1990 | US4949602 Wrench |
08/21/1990 | US4949601 Apparatus for assembling threaded members |
08/16/1990 | EP0382149A1 Power screw driver |
08/16/1990 | EP0381791A1 Ultrasonic load indicating member, apparatus and method |
08/14/1990 | US4947714 Low-noise screwing tool coupling |
08/14/1990 | US4947713 Elastomeric sleeve on rearward portion of wrench socket to facilitate recognition and selection of the socket |
08/09/1990 | WO1990008994A2 System to control a motor for the assembly or dis-assembly of two members |
08/09/1990 | WO1990008722A1 Feeder for punched parts |
08/09/1990 | WO1990008510A1 Screw and driver |
08/08/1990 | CN2060104U Screwdriver with hand rejector |
08/07/1990 | US4945790 Multi-purpose hand tool |
08/07/1990 | US4945789 Device for screwing a self-tapping member into a smooth hole provided in a structure intended to house the member |
08/07/1990 | CA2026781A1 Screw and driver |
07/31/1990 | US4944641 Clutch engager sleeve |
07/24/1990 | US4942791 Ergonomic handle for hand-held tools |
07/24/1990 | US4942660 Device for locating the ideal screwing position of bolts of large dimensions |
07/17/1990 | US4941862 Quick disconnect constant velocity universal joint |
07/17/1990 | US4941362 Torque and angular displacement sensing in controlled wrenches |
07/10/1990 | US4939959 Fastener holding tool |
07/10/1990 | CA1271350A1 Screw and nail guide |
07/04/1990 | CN2058874U Foldable screwdriver |
07/03/1990 | US4938109 Torque hold system and method |
07/03/1990 | US4938107 Wedge locking socket device |
06/26/1990 | US4936701 Universal joint with rotating holder sleeve |
06/26/1990 | US4936171 Illuminated screwdriver |
06/26/1990 | US4936169 Device for positioning and applying fasteners |
06/26/1990 | CA1270601A1 Fastener feeder and driver apparatus |
06/21/1990 | DE3842347A1 Electrically driven hand-held screw driver |
06/21/1990 | DE3842346A1 Electrically driven screwdriver |
06/20/1990 | CN2058370U "-"shape antiskid screwdriver |
06/20/1990 | CN2058369U Combined screwdriver |
06/20/1990 | CN1043104A Adapter for setting or loosening screw thread connector |
06/19/1990 | US4934494 Combined locking mechanism and switch especially for power tools |
06/19/1990 | US4934226 Socket driver tool |
06/19/1990 | US4934221 Apparatus for retaining a replaceable tool head on a T-handle-type wrench |
06/19/1990 | US4934037 Impeller holding apparatus |
06/13/1990 | EP0373022A1 Adapter for screwing or unscrewing threaded connection elements |
06/13/1990 | EP0372247A2 Torque wrench and device for its adjustment and calibration |
06/13/1990 | DE3841638A1 Tool insert for normal socket-wrench sets for mechanics |
06/12/1990 | US4932293 Wrench arrangement |
06/12/1990 | CA1270128A1 Device at impact wrenches |
06/09/1990 | CA2004763A1 Adaptor for screwing or un-screwing threaded connection elements |
06/06/1990 | CN1008249B Method and apparatus for setting and loosening connecting screw thread |
05/29/1990 | US4928559 Ratchet wrench |
05/29/1990 | US4928558 Torque master |
05/23/1990 | DE3838966A1 Zur magazinierung von laenglichen verbindungsgliedern, insbesondere von schrauben dienende vorrichtung To magazining elongated connecting limbs, especially screws serving device |
05/22/1990 | US4926719 Supplementary device for inserting screws by means of a power-driven screw driver |
05/22/1990 | US4926700 Blind hole thread gauge |
05/22/1990 | US4926699 Torque tool |