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