Patents
Sitemap › B25 - Hand tools; Portable power-driven tools; Handles for hand implements; Workshop equipment; Manipulators › B25B - Tools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding › B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers
Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046)
06/1981
06/16/1981US4273198 Motor-driven clamping method and device
06/16/1981US4272973 Socket joint for torque wrench
06/02/1981US4270237 Portable apparatus for assembling nuts and washers on threaded studs
05/1981
05/26/1981US4268944 Tension control of fasteners
05/19/1981US4267629 Tension control of fasteners
05/12/1981US4266587 Manual tool
05/12/1981US4266453 Socket retaining ring
05/05/1981US4265320 Electrically powered torque-controlled tool
05/05/1981US4265109 Wrench with angular rotation readout
05/05/1981US4265108 Pneumatic nut runner with torque indicator
04/1981
04/29/1981EP0027663A2 A multi-purpose tool with a two-directional motor
04/22/1981EP0027238A2 Ratchet spanner with working head linked to the handle
04/22/1981EP0027183A2 Wrench
04/21/1981US4262528 Apparatus for measuring the torque applied to a wrench
04/21/1981US4262501 Torque control installation and removal tool
04/14/1981US4261233 Ratchet wrench of the socket drive type
04/07/1981US4259869 Method and apparatus for inspection and fail-safe control of threaded joint tightening processes
04/07/1981US4259775 Tension control of fasteners
04/07/1981US4259773 Tension control of fasteners
04/07/1981US4259772 Tension control of fasteners
03/1981
03/31/1981US4258597 Socket wrench ejector
03/31/1981US4258462 Method of assembling threaded base to a projectile
03/24/1981US4257263 Torque wrench
03/24/1981CA1098196A1 Method and apparatus for fastener tensioning
03/17/1981US4256157 Nut, bolt, and screw holder
03/17/1981US4255846 Tension control of fasteners
03/17/1981CA1097772A1 Method and apparatus for fastener tensioning
03/03/1981US4253357 Screwdriver accessory
03/03/1981CA1096664A1 Torque limiter for use with off-the-shelf fastening elements
02/1981
02/24/1981US4253134 Illuminated socket wrench extension
02/11/1981EP0023488A1 Electronically indicating torque wrench
02/10/1981US4249435 Workpiece turning hand tool with torque control
02/10/1981CA1095611A1 Tightening system
02/03/1981US4248107 Adjusting torque wrench
01/1981
01/27/1981US4246939 Automatic screw driving apparatus
01/27/1981US4246685 Tension control of fasteners
01/22/1981WO1981000075A1 Device for tightening large-sized threaded joints
01/20/1981US4245528 Push button socket release mechanism
01/20/1981US4245382 Tension control of fasteners
01/20/1981US4245381 Tension control of fasteners
01/13/1981US4244434 Electronically indicating torque wrench
01/13/1981US4244246 Wrench with automatic feed mechanism
01/13/1981US4244245 Fastener tension control system
01/13/1981US4244213 Retorque measuring apparatus
01/13/1981US4244095 Tension control of fasteners
01/06/1981US4243129 Device for tightening a screw joint
01/06/1981US4243111 Automatic shut-off valve for power tools
01/06/1981US4242930 Torque controlled clamp stick adapter
01/06/1981CA1093188A1 Method for fastener tensioning
12/1980
12/30/1980US4241488 Tension control of fasteners
12/23/1980CA1091962A1 Angle sensing tool for applying torque
12/16/1980US4239068 Screw feeding apparatus
12/16/1980US4238978 Torque wrench
12/16/1980CA1091483A1 Automatic feeding screwdriver
12/09/1980US4237946 Chuck for holding and driving fasteners, such as screws or nails
12/09/1980CA1091367A1 Nuclear fuel element nut retainer cup
12/09/1980CA1091329A1 Simplified apparatus for and method of tightening fasteners
12/02/1980US4236555 Stand-up screwgun
12/02/1980CA1090628A1 Electrically driven fastening appliance
11/1980
11/26/1980EP0019019A1 Device for a torque wrench
11/25/1980US4235006 Tension control of fasteners
11/25/1980CA1090215A1 Two-speed offset nut runner
11/18/1980US4233723 Tension control of fasteners
11/18/1980US4233722 Tension control of fasteners
11/18/1980US4233721 Tension control of fasteners
11/11/1980CA1089260A1 Low torque automatic screwdriver
11/04/1980US4231270 Electrically driven fastening appliance
10/1980
10/29/1980EP0018115A1 Method and apparatus for measuring the makeup of a threaded connection
10/21/1980US4228576 Tension control of fasteners
10/21/1980CA1087938A1 Torque responsive motor shutoff mechanism for fluid operated tool
10/21/1980CA1087885A1 Electrically powered torque-controlled tool
10/15/1980EP0017031A1 Screwing tool for band-held screws
10/07/1980US4226127 Hand operated yield tightening system
10/07/1980US4226015 Tension control of fasteners
10/07/1980US4226014 Tension control of fasteners
10/01/1980EP0015929A1 Automatic feeding screwdriver
09/1980
09/23/1980US4223745 Torque responsive motor shutoff mechanism for fluid operated tool
09/23/1980US4223555 Fastener tools
09/23/1980CA1086108A1 Device for tightening a screw joint
09/23/1980CA1086107A1 Device for tightening a screw joint
09/16/1980US4222294 Fastener tool socket retaining assembly
09/09/1980US4221249 Screwdriver attachment
09/02/1980US4219922 Tension control of fasteners
09/02/1980US4219921 Tension control of fasteners
09/02/1980US4219920 Tension control of fasteners
08/1980
08/26/1980US4219063 Tool for holding a fastener to a driver therefor
08/26/1980US4219062 Magnetic fastener-holding tool attachment
08/26/1980US4218940 Socket release apparatus
08/26/1980CA1084640A1 Display apparatus for analog force detector
08/26/1980CA1084312A1 Pneumatic screwdriver with torque responsive shut-off
08/20/1980EP0014529A1 Automatic screwdriver
08/05/1980US4215600 Torque limiter for use with off-the-shelf fastening elements
08/05/1980US4215599 Torque multiplier assembly
08/05/1980US4215594 Torque responsive speed shift mechanism for power tool
07/1980
07/29/1980US4214459 Torque transmission clutch
07/22/1980CA1082011A1 Torque responsive speed shift mechanism for power tool
07/15/1980US4212336 Screwdriver
07/08/1980US4211127 Ratchet wrench reversing mechanism
07/08/1980US4211120 Tightening apparatus
07/01/1980US4210852 Electric nutrunner
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