| 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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| 09/10/1985 | US4540318 Rotary electrical tool with speed control, especially drill |
| 09/10/1985 | US4539872 Tool for supplying and driving a sequence of threaded fasteners |
| 09/04/1985 | EP0153711A2 Power-driven screw-driving tool with a fine-toothed chuck |
| 09/03/1985 | US4538484 Power torque wrench tool |
| 09/03/1985 | US4538483 Fastener wrenching means |
| 08/20/1985 | US4536688 Electric drilling machine |
| 08/20/1985 | US4535540 "Hole-in-one" metal punch drive unit |
| 08/07/1985 | EP0150496A2 Power driven device for the rotation angle adjustment of a threaded rod, in particular a steering rod of automotive vehicles |
| 08/06/1985 | US4533337 Hydraulic torque impulse tool |
| 08/06/1985 | CA1191368A1 Power tool adapter assembly |
| 07/31/1985 | EP0149874A2 An impact wrench |
| 06/25/1985 | US4525111 Slide-on rotary tools |
| 06/25/1985 | US4524651 Power wrench |
| 06/25/1985 | US4524649 Electric socket wrench |
| 06/11/1985 | US4522270 Hand-held electric tool |
| 06/11/1985 | US4522269 For tightening threaded joints |
| 05/29/1985 | EP0143086A2 Multi-use hand held equipment for driving tools |
| 05/29/1985 | EP0142933A1 Manual ratchet torque wrench with amplifier |
| 05/28/1985 | US4520446 Apparatus for controlling a plurality of stud tensioning devices |
| 05/15/1985 | EP0141175A1 Power hand tool with a compressed-air motor |
| 05/14/1985 | US4516445 Power-driven screwing tool for pressure vessel heads |
| 04/30/1985 | US4513827 Rotary tool |
| 04/30/1985 | US4513645 Hydraulic wrench |
| 04/30/1985 | US4513644 Fluid powered torque wrench |
| 04/30/1985 | US4513643 Automatic stud driving tool |
| 04/23/1985 | US4512693 Reversible drill and drive tool holder |
| 04/17/1985 | EP0137738A1 Torque transducing attachments for air-driven impact tools |
| 04/16/1985 | US4510826 Extension for a screwgun |
| 04/10/1985 | EP0136991A1 A reversible torque converter |
| 04/09/1985 | US4509668 Pneumatically operable fastener driving tool |
| 04/02/1985 | US4507991 Apparatus for installing fasteners |
| 04/02/1985 | CA1184993A1 Apparatus for controlling a plurality of stud tensioning devices |
| 03/26/1985 | CA1184598A1 Cordless electric device having contact increasing means |
| 03/19/1985 | US4505170 Hand-holdable electric power tool apparatus |
| 03/13/1985 | EP0134164A1 Robot hand for the handling and the initial turning of screws |
| 03/12/1985 | US4503736 Bolt tightening tool |
| 03/05/1985 | US4503425 Indicating arrangement for portable electric devices |
| 03/05/1985 | US4502549 Spring-coupled power screwdriver |
| 02/20/1985 | EP0133374A1 An improved hydraulic wrench |
| 02/05/1985 | US4497226 Cigar lighter socket shell driver tool |
| 02/05/1985 | US4497197 Pneumatic hydraulic hand-held power unit |
| 01/23/1985 | EP0131851A1 Apparatus for driving or removing screws |
| 01/09/1985 | EP0130465A1 Torque applying tool |
| 01/09/1985 | EP0130450A1 Device for pulling a drill pipe string from a bore hole and for loosening pipe joints |
| 01/08/1985 | CA1180579A1 Automatic stud driving tool |
| 01/02/1985 | EP0129717A1 Device for turning and axially moving bolts |
| 01/01/1985 | US4491443 Modified quick release adapter |
| 12/27/1984 | EP0129348A2 Locking mechanism for a rotary power machine |
| 12/11/1984 | US4487095 For use with power means |
| 12/04/1984 | US4485698 Torque delivering tool with torque reaction support |
| 11/27/1984 | US4484871 Torque delivering tool with dual motor drive |
| 11/06/1984 | US4480512 Screwdriver for manual or power operation |
| 11/06/1984 | US4480510 Powered ratchet wrench |
| 10/16/1984 | US4476749 Automatic stud driver |
| 10/02/1984 | US4474513 Portable handheld device for forming aligned holes |
| 09/25/1984 | US4472985 Fastening tool |
| 09/12/1984 | EP0118215A2 Hand-held power tool with shaft lock |
| 09/11/1984 | US4470329 Automatic stud driving tool |
| 09/04/1984 | US4468826 Hammer-drill for masonry fasteners |
| 08/29/1984 | EP0117243A1 Pneumatic hydraulic hand-held power unit |
| 08/29/1984 | EP0116645A1 Bolt adapted for one-sided tightening with tightening tool |
| 08/28/1984 | US4467896 Locking mechanism for a rotary power machine |
| 08/28/1984 | US4467676 Bolt tightening device having auxiliary handle |
| 08/22/1984 | EP0116488A1 Arrangement for tightening and unscrewing threaded joints, especially for tightening and unscrewing the fastening bolts of the lid of a nuclear reactor vessel |
| 08/21/1984 | CA1172881A1 Compact power wrenching machine |
| 08/14/1984 | US4465443 Pneumatic power tool with speed governor and overspeed safety device |
| 08/07/1984 | CA1172070A1 Electrically driven screw-driver |
| 07/31/1984 | US4463293 Method and apparatus for shutting off a power screwdriver |
| 07/31/1984 | US4462282 Power tool with torque reaction bar |
| 07/31/1984 | US4462281 Bolt holding wrench |
| 07/17/1984 | US4460049 Impact wrench |
| 07/10/1984 | US4458563 Torque wrenches |
| 05/22/1984 | CA1167671A1 Automatic stud driver |
| 05/22/1984 | CA1167670A1 Power-driven screwdriver |
| 05/15/1984 | US4448564 Retaining means for impact drive socket |
| 05/15/1984 | US4448098 Electrically driven screw-driver |
| 05/15/1984 | US4448096 Flutter lift for torque wrench |
| 05/08/1984 | US4447749 Cordless electric device having contact increasing means |
| 05/08/1984 | US4446762 Universally usable hydraulic wrench for simultaneously tightening or loosening two threaded connectors or for tightening or loosening a single threaded connector with a greater force |
| 04/18/1984 | EP0105430A1 Improvements in hand-holdable electric power tool apparatus |
| 04/17/1984 | US4442738 Automatic push-to-start screwdriver |
| 04/04/1984 | EP0105038A1 A hydraulic torque impulse tool |
| 04/03/1984 | US4440046 Power wrench |
| 03/20/1984 | US4437365 Screwdriver |
| 03/13/1984 | CA1163475A1 Drive tool with spring-biased torque |
| 03/06/1984 | US4434858 Air tool with stall torque regulator and air biasing mechanism |
| 02/28/1984 | US4433828 Reactor vessel stud closure system |
| 02/21/1984 | US4432256 Adjustable powered wrench |
| 02/15/1984 | EP0100435A2 Electric regulation of motors |
| 02/07/1984 | US4429597 Hydraulic torque wrench |
| 02/07/1984 | CA1161669A1 Impact wrench mechanism and clutch therefor |
| 01/31/1984 | US4428438 Percussive drill with safety interlock for reversing gear |
| 01/24/1984 | US4427077 Portable fastening tool with manual turn on and automatic shut off |
| 01/03/1984 | US4423649 Ratchet drive with an equal load double pawl arrangement |
| 12/20/1983 | US4420995 Quick-release and positive locking mechanism for use on socket wrenches and on power and impact tools |
| 10/26/1983 | EP0092127A2 Rotary tool |
| 10/18/1983 | US4409865 Continuous ratchet drive |
| 10/18/1983 | CA1155525A1 Impact wrench |
| 10/13/1983 | WO1983003451A1 Bolt adapted for one-sided tightening with tightening tool |
| 10/05/1983 | EP0090188A2 Method and device for switching off screwing devices |