| Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046) |
|---|
| 07/01/1980 | US4210185 Tool handle assembly with freely-reversible socket member |
| 07/01/1980 | US4210017 Method and apparatus for generating an actual torque signal during the make-up of threaded joints |
| 06/24/1980 | US4209182 Bit retainer for screwdriver |
| 06/17/1980 | US4208555 Torque control device for an electrically-driven tool |
| 06/17/1980 | US4207783 Torque wrench |
| 06/12/1980 | WO1980001203A1 Electronically indicating torque wrench |
| 06/10/1980 | CA1079101A1 Torque wrench |
| 05/27/1980 | US4204439 Head for a power operated screwdriver |
| 05/20/1980 | CA1077752A1 Impact wrench with joint control |
| 05/13/1980 | US4202208 Hydraulic torque indicator |
| 05/13/1980 | CA1077313A1 Torque wrench air shut-off |
| 05/06/1980 | CA1076854A1 Torque responsive shutoff mechanism for power tool |
| 04/30/1980 | EP0010423A1 Improvements in or relating to hand tools |
| 04/22/1980 | US4199014 Automatic feeding screwdriver |
| 04/22/1980 | US4198737 Tension control of fasteners |
| 04/15/1980 | US4197886 Fastener driving tool and fastener holding nosepiece |
| 04/01/1980 | US4195589 Indicating device for torque wrenches |
| 04/01/1980 | CA1074778A1 Power tong apparatus |
| 03/18/1980 | US4193328 Apparatus for assembling threaded base to a projectile |
| 03/04/1980 | US4191282 Device for tightening a screw joint |
| 03/04/1980 | US4191227 Attachment for a power tool |
| 02/26/1980 | US4190091 Screw, screwdriver and screw-holding attachment therefor |
| 02/19/1980 | CA1071907A1 Driving-in appliance for screws or the like, joined together in a strip |
| 02/12/1980 | US4187747 Quick release mechanism for socket wrench |
| 02/06/1980 | EP0007617A1 Disconnect and overload bypass arrangement for a portable tool |
| 01/29/1980 | US4185701 Tightening apparatus |
| 01/29/1980 | CA1070577A1 Pulse motor nutrunner |
| 01/08/1980 | US4182979 D-C. electric torquing system |
| 12/25/1979 | US4179955 Power wrench |
| 12/25/1979 | US4179786 Tension control of fasteners |
| 12/04/1979 | US4176699 Chuck for gripping head of screw |
| 12/04/1979 | US4176436 Method and apparatus for counting turns when making threaded joints |
| 11/27/1979 | US4175453 Device for tensioning several screw bolts |
| 11/27/1979 | US4175408 Apparatus for absorbing oil pressure in an impact type tool |
| 11/20/1979 | US4174646 Universal tool with gripping action and replaceable jaws |
| 11/06/1979 | US4173059 Device for tightening bolts |
| 10/23/1979 | US4171647 Torque testing instrument for tools, especially spanners |
| 10/23/1979 | CA1064741A1 Tool for locking and unlocking nuclear fuel element retainer nut |
| 10/23/1979 | CA1064731A1 Quality checking system for a threaded fastener assembly |
| 10/02/1979 | CA1063593A1 Torque transmitting and indicating device |
| 09/20/1979 | WO1979000685A1 Automatic feeding screwdriver |
| 08/28/1979 | US4165772 Device for driving screws, rivets and the like |
| 08/22/1979 | EP0003714A1 Device for screwing-on fixation means |
| 08/07/1979 | US4163311 Tightening system for blind fasteners |
| 08/07/1979 | US4163310 Tightening system |
| 07/31/1979 | US4162639 Load indicating nut wrench |
| 07/17/1979 | US4161221 Method and apparatus for pretensioning screw joints |
| 07/17/1979 | US4161220 Method and apparatus for pretensioning screw joints |
| 07/17/1979 | CA1058429A2 Installation tool apparatus |
| 07/11/1979 | EP0003004A1 Device for driving screws with washers |
| 06/19/1979 | US4158799 Screwing tool for printing presses |
| 06/19/1979 | US4158377 Captive screw device |
| 06/12/1979 | CA1056283A1 Captive screw device |
| 06/12/1979 | CA1056184A1 Threaded fastener |
| 05/22/1979 | US4155278 Swivel head reaction bar nut runner |
| 05/22/1979 | US4155275 Controlled torque output tool |
| 05/22/1979 | CA1054826A2 Apparatus for and method of determining rotational or linear stiffness |
| 05/22/1979 | CA1054825A2 Apparatus for and method of determining rotational or linear stiffness |
| 05/15/1979 | US4154460 Fastening device |
| 05/15/1979 | US4154308 Low torque automatic screwdriver |
| 05/08/1979 | CA1053928A1 Apparatus for and method of determining rotational or linear stiffness |
| 04/24/1979 | CA1053038A1 Air-powered, self-feeding screw driving tool |
| 04/24/1979 | CA1053037A2 Fastener tool |
| 04/10/1979 | CA1052140A1 Pneumatic nut runner having a directional valve and an air regulator |
| 04/03/1979 | US4147219 Two-speed offset nutrunner |
| 03/27/1979 | US4146071 Power driver for fasteners |
| 03/27/1979 | US4145939 Drain plug holder |
| 03/13/1979 | CA1050308A1 Torque controller shutoff mechanism |
| 03/06/1979 | US4142591 Torque-yield control system |
| 02/20/1979 | US4140161 Screw holding and driving device |
| 02/20/1979 | CA1049119A1 Multi-stage fastener tightening system |
| 02/20/1979 | CA1048754A1 Element rows coupling tool for a concealed slide fastener |
| 02/13/1979 | US4139036 Screw starter |
| 02/06/1979 | US4137801 Combined ratchet and torsion wrench |
| 02/06/1979 | US4137800 Torque wrench |
| 02/06/1979 | US4137758 Torque indicator apparatus |
| 01/02/1979 | US4132136 Power wrench for turning threaded connection members |
| 01/02/1979 | CA1045424A1 Slide mechanism for expandable bit screw holding screwdriver |
| 12/26/1978 | US4131039 Tightening force limiting device |
| 12/19/1978 | US4130152 Slot-head fastener and driver therefor |
| 12/19/1978 | CA1044494A1 Fastener holding attachment for a tool |
| 12/12/1978 | US4129035 Bi-directional, multiple range torque measuring device |
| 12/05/1978 | CA1043722A1 Clutch |
| 11/28/1978 | CA1043138A1 Installation tool apparatus |
| 11/28/1978 | CA1043136A1 Combination tool |
| 11/21/1978 | US4126062 Torque wrench |
| 11/14/1978 | US4125040 Power tong apparatus |
| 11/14/1978 | US4125016 Battery operated torque wrench with digital display |
| 10/24/1978 | CA1040902A1 Torque signaling attachment for torque wrench |
| 10/24/1978 | CA1040801A1 Driving tool barrel assembly |
| 10/17/1978 | US4120604 Portable pneumatic nut running tool having air shut-off controls |
| 09/19/1978 | US4114663 Automatic screwdriver |
| 09/19/1978 | CA1038664A1 Air shut-off tool |
| 09/12/1978 | US4113080 Torque wrench air shut-off |
| 09/12/1978 | US4112988 Fastener holding attachment for a tool |
| 09/12/1978 | US4112749 Wrenches and other hand tools |
| 09/05/1978 | CA1037796A1 Torque responsive motor shutoff for power tool |
| 08/29/1978 | US4110829 Apparatus for and method of determining rotational and linear stiffness |
| 08/29/1978 | CA1037592A1 Torque control apparatus for power tools |
| 08/29/1978 | CA1037302A1 Torque limiting wrench |