| Patents for B25B 21 - Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose (7,850) |
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| 03/04/1987 | EP0213101A2 A tool, especially for drawing of blind rivets provided with upsetting pins, but also for drilling and screw driving. |
| 03/04/1987 | EP0212672A1 Stud installer |
| 03/03/1987 | US4647260 Depth-adjusting system for a power tool |
| 02/26/1987 | DE3529992A1 Drive for screwdrivers |
| 02/24/1987 | US4644829 Fluid-operated wrench |
| 02/12/1987 | WO1987000786A1 Power driven replaceable socket ratchet wrench |
| 02/11/1987 | CN86104891A Tool, especially for drawind of blind rivets provided with upsetting pins, but also for drilling and screw driving, as well as rivet and drill intended for use in the tool |
| 02/10/1987 | US4641714 Multiuse portable equipment for driving rotating tools, rotating percussion tools and percussion tools |
| 02/05/1987 | DE3526582A1 Portable drill with a fixing device for insertable tools |
| 02/03/1987 | CA1217365A1 Automatic stud driving tool |
| 01/29/1987 | WO1987000477A1 Vibrating pipe wrench |
| 01/28/1987 | CN86203740U Automic hydraulic lever |
| 01/22/1987 | DE3525305A1 Device for actuating shut-off valves located in the roadway paving |
| 01/20/1987 | US4637764 Bolt adapted for one-handed tightening by tightening tool |
| 01/13/1987 | US4635732 Power-driven hand-held tool with a pneumatic motor |
| 01/13/1987 | US4635731 Impulse tool |
| 01/13/1987 | US4635502 Rachet system for hand-held tool |
| 01/08/1987 | DE3522596A1 Power tool |
| 01/08/1987 | DE3522017A1 Levelling screwdriving tool for inserting fastening screws of all types at an identical horizontal level in/under ceilings or ceiling constructions in the building sector |
| 12/30/1986 | EP0205730A1 Security device for an electrically driven tool |
| 12/23/1986 | US4630512 Adjustable motor-operated screw driving device |
| 12/23/1986 | US4630510 Tactile engaging wrenching mechanism |
| 12/03/1986 | EP0203370A1 Screwing device with motor-driven screw driver |
| 12/03/1986 | CN85106727A Jension control method for nutrunner |
| 12/02/1986 | US4625597 Screw driving apparatus |
| 11/20/1986 | EP0202130A1 Ratchet wrench |
| 11/05/1986 | EP0199869A1 Tools for use in tightening or removing screw-threaded fasteners |
| 11/05/1986 | EP0199842A1 Electropneumatic percussion drill |
| 11/04/1986 | US4620422 Process for the production of processed ice containing soluble additives or materials dispersed therein |
| 10/28/1986 | US4619162 Hand-holdable electric power tool apparatus |
| 10/28/1986 | US4619160 Power wrench |
| 10/21/1986 | US4617844 Removable key for wrenching tool |
| 10/21/1986 | US4617843 Electrically-operated driver |
| 10/01/1986 | EP0195851A2 Installing tool for wedging-type fasteners |
| 09/30/1986 | CA1211925A1 Cigar lighter socket shell driver tool |
| 09/24/1986 | EP0195040A1 A method and tool for the freeing of parts held fast together |
| 09/24/1986 | CN85108469A Installing tool for wedging-type fasteners |
| 09/09/1986 | CA1210969A1 Hand-held power tool with shaft lock |
| 09/03/1986 | EP0193097A2 Removable key and methods for its use |
| 08/28/1986 | WO1986004853A1 Fastener wrenching means |
| 08/26/1986 | US4607546 Power wrench |
| 08/12/1986 | US4605348 For a power driven torquing tool |
| 08/12/1986 | US4604943 Impulse tool having shut off system |
| 08/05/1986 | US4603608 Remotely-manipulated apparatus for performing maintenance work in shielded cells |
| 07/29/1986 | US4602688 Device for performing remotely-manipulated maintenance work in a shielded cell |
| 07/09/1986 | EP0187129A2 Hydraulic torque impulse tool |
| 07/02/1986 | EP0186316A1 A portable power tool of an impulse type |
| 07/01/1986 | US4597453 Drive unit with self-aligning gearing system |
| 07/01/1986 | US4597296 Torque transducing attachments for air-driven impact tools |
| 06/25/1986 | EP0185639A2 Hydraulic torque impulse tool |
| 06/10/1986 | US4593584 Power tongs with improved hydraulic drive |
| 06/10/1986 | US4593451 Apparatus for cleaning large pipe threads |
| 06/10/1986 | CN85108850A Portable power tool of an impulse type |
| 06/10/1986 | CN85108242A Electrically-operated driver |
| 06/04/1986 | EP0182986A1 Powered wrench with variable torque adjustment |
| 06/04/1986 | EP0182786A1 Bolt holding and tightening tool |
| 06/03/1986 | US4592258 Manipulating device for performing remotely-controlled work with a tool |
| 05/28/1986 | EP0181894A1 Arrangement for fixing flat insulating materials to thin-walled support bases, especially heat-insulating panels or boards. |
| 05/28/1986 | CN85202247U Explosion isolation impulse motor-driven box spanner |
| 05/06/1986 | US4586884 Pneumatic power tool with speed governor |
| 05/06/1986 | CA1204004A1 Tool, particularly a boring tool |
| 04/30/1986 | EP0179543A1 Fluid operated wrench for tightening or loosening a threaded connector |
| 04/29/1986 | US4585078 Rotary impact tool |
| 04/22/1986 | US4583277 Method utilizing a cigar lighter socket shell driver tool |
| 04/16/1986 | EP0178252A2 Power-driven screw driver |
| 04/15/1986 | US4581964 Fastener driving tool with improved magazine and feed mechanism |
| 04/15/1986 | US4581956 Screwing-unscrewing apparatus, more especially for screwing the stud-bolts fixing the lid of the reactor vessel of a nuclear reactor |
| 04/15/1986 | US4581955 Reactor coolant pump motor rotator |
| 04/15/1986 | US4581871 Fastener and nosepiece for installing lath |
| 03/27/1986 | WO1986001765A1 A method and tool for the freeing of parts held fast together |
| 03/12/1986 | EP0174276A1 Power screwing device |
| 03/11/1986 | US4574657 Motor operated hand tool for tightening and loosening threaded fasteners and the like |
| 03/11/1986 | US4574612 Stroke adjusting mechanism of blind nut setting tool |
| 03/11/1986 | CA1201743A1 Hand-holdable electric power tool apparatus |
| 03/04/1986 | US4573839 Mounting chuck for a drill having reversible tools therein |
| 02/05/1986 | EP0170276A2 Wheel rim wrench |
| 01/21/1986 | US4565112 Bolt tightening apparatus having bolt tip discharging device |
| 01/21/1986 | US4565111 Device for rotating and axially moving a bolt |
| 01/14/1986 | CA1199204A1 Quick-release and positive locking mechanism for use on socket wrenches and on power and impact tools |
| 01/03/1986 | WO1986000038A1 Bolt holding and tightening tool |
| 12/31/1985 | US4561331 Wheel rim wrench |
| 12/31/1985 | CA1198616A1 Combination hole-drilling and fastener-driving tools |
| 12/11/1985 | EP0164307A1 Trigger mechanism for actuating a control device, and its use |
| 12/11/1985 | EP0163767A2 Tactile engaging wrenching mechanism |
| 12/10/1985 | US4557338 Tool, particularly a boring tool |
| 12/10/1985 | US4557337 Impact wrench |
| 12/04/1985 | EP0163009A2 Power-driven wrench with an action arm and a reaction arm, preferably constructed as a housing |
| 11/26/1985 | US4554980 Nut runner using induction motor |
| 11/21/1985 | WO1985005165A1 Arrangement for fixing flat insulating materials to thin-walled support bases, especially heat-insulating panels or boards |
| 11/19/1985 | US4553948 Oil pressure type pneumatic torque wrench |
| 11/12/1985 | US4551875 Combination tool |
| 11/05/1985 | US4550633 Power tightening device having detachable socket unit |
| 11/05/1985 | US4550476 In an adapter for a torquing tool |
| 10/30/1985 | EP0159764A2 A fastener for installing a sheet such as a lath spaced from a support |
| 10/29/1985 | US4549538 Pin inserter sheath |
| 10/29/1985 | CA1195864A1 Hammer-drill for masonry fasteners |
| 10/22/1985 | US4548103 Stud drive tool |
| 09/25/1985 | EP0155745A2 Depth-adjusting sub-assembly for a tool |
| 09/17/1985 | US4541309 Torque wrench |
| 09/12/1985 | WO1985003897A1 Mechanical screw driver with a tightening idler gear comprising a fine adjusting toothing |