| Patents for B25B 17 - Hand-driven gear-operated wrenches or screwdrivers (1,139) |
|---|
| 07/30/2013 | US8496238 Tubular gripping apparatus with locking mechanism |
| 07/30/2013 | US8495807 Retractable prewinder assembly with infinite adjustability for installation of helically coiled wire inserts |
| 07/23/2013 | US8490519 Attachment for making up or breaking out pipe |
| 07/23/2013 | US8490518 Oil filter replacement device |
| 07/10/2013 | CN203045607U Oscillating tooth transmission reinforcement wrench |
| 07/10/2013 | CN203045606U Torque multiplier |
| 07/10/2013 | CN203045605U Tool used for disassembling and assembling connecting clamp bolt |
| 07/10/2013 | CN103192336A Method for bolt fastening of suspension clamp of power transmission line and special tool |
| 07/09/2013 | US8479614 Internally retained jaw roller pin |
| 06/27/2013 | WO2012170092A9 Handheld drive device |
| 06/26/2013 | CN203019282U Screw driver |
| 06/26/2013 | CN103170940A Bevel gear intermediate shaft insulation spanner |
| 06/25/2013 | US8468914 Variable gear ratio ratchet |
| 06/19/2013 | CN203003774U Screw driver |
| 06/18/2013 | US8464613 Sucker rod coupling extractor |
| 06/06/2013 | CA2761521A1 Fastening device and method of use thereof |
| 05/28/2013 | US8448548 Bolt tightening method, bolt tightening device, bolt supplying method, and bolt supplying device |
| 05/21/2013 | US8443699 Torque control wrench for both left-hand thread and right-hand thread |
| 05/16/2013 | US20130118315 Drill Pipe Breakout Machine |
| 05/15/2013 | CN202934507U Torque transmission wrench |
| 05/10/2013 | WO2012170092A4 Handheld drive device |
| 05/01/2013 | CN101200057B Bolt or nut tightening device |
| 04/25/2013 | WO2013057180A1 Attachment system and tool drive with such an attachment system |
| 04/24/2013 | CN202895099U Manually reinforced nut wrench |
| 04/17/2013 | CN202878201U Bent screw driver |
| 04/10/2013 | CN202862085U Full-load manual screw-driver |
| 03/28/2013 | US20130074658 Adjustable Socket Wrench Extension |
| 03/27/2013 | CN202825672U Multiple rotating speed screw driver |
| 03/27/2013 | CN202825671U Bottle opener |
| 03/27/2013 | CN103003027A Device for producing precise tightening torque for screw connections |
| 03/26/2013 | US8403074 Output device for power tool having protection mechanism |
| 03/21/2013 | WO2012177226A3 Connection component mounting/demounting apparatus |
| 03/20/2013 | CN102975164A Screw driver |
| 03/14/2013 | WO2012170092A3 Handheld drive device |
| 03/13/2013 | EP2567786A1 Rotating log clamp |
| 03/13/2013 | EP2566660A1 Device for producing precise tightening torque for screw connections |
| 03/07/2013 | WO2013032963A1 Apparatus for tightening threaded fasteners |
| 02/28/2013 | US20130047790 Variable-span multi-blade screwdriver |
| 02/27/2013 | CN102941555A Multifunctional wrench applicable to narrow operation space |
| 02/26/2013 | US8381619 Fastening device for fastening locknuts |
| 02/20/2013 | CN202742290U Fast rotating screwdriver |
| 02/05/2013 | US8365640 Anti-slip wrench |
| 01/30/2013 | CN202702119U Wrench |
| 01/16/2013 | CN202668436U Torque-increased wrench |
| 01/09/2013 | CN202656113U Nut disassembly and assembly device on rotating shaft |
| 01/09/2013 | CN102862137A Bi-direction mechanical straightener |
| 12/27/2012 | WO2012176032A1 Multi-axis temporary tightening tool |
| 12/25/2012 | US8336427 One-way driver |
| 12/19/2012 | CN202607213U Tool for disassembling and assembling four-nut wheel |
| 12/13/2012 | WO2012170092A2 Handheld drive device |
| 12/13/2012 | CA2829797A1 Handheld drive device |
| 12/12/2012 | CN202592286U Special wrench device |
| 12/11/2012 | US8328823 Powered tacker instrument |
| 12/04/2012 | US8322255 Multi-wrench gear head apparatus for adjusting vehicle tie-rods |
| 11/29/2012 | US20120297939 Handle-Driven Torque Transfer Wrench having Pivotable Head |
| 11/27/2012 | US8316739 Screwdriving system with variably adjustable screwdriving spindles |
| 11/14/2012 | CN202528112U Bi-service screw driver |
| 10/31/2012 | CN202507215U Portable quick wrench |
| 10/31/2012 | CN202507214U Device for quickly assembling and disassembling tire nut of automobile |
| 10/25/2012 | US20120266727 Method and Apparatus for Tensioning an Emergency Brake System on a Vehicle |
| 10/24/2012 | CN101985216B Double-headed screwdriver |
| 10/18/2012 | US20120260775 Flex-head wrench |
| 10/10/2012 | CN101486173B Locking-in device |
| 10/09/2012 | US8281690 Indexable offset adaptor |
| 09/27/2012 | DE102012005448A1 Screwing tool has chain that is rotated around two gear wheels in elongated housing, in which rotational axes of gear wheels are formed as drive- and output shafts, where blocking slide is arranged within rotating chain |
| 09/13/2012 | US20120227548 One-Way Wrench |
| 09/06/2012 | US20120222522 Oil filter replacement device |
| 09/05/2012 | CN202412145U Reversible torque transfer rod and screwdriver |
| 09/05/2012 | CN202412144U Forward-backward rotation screwdriver |
| 08/23/2012 | WO2012051989A3 Screwdriver |
| 08/22/2012 | CN101920484B Screw driver |
| 08/09/2012 | WO2012103677A1 Pivot positioning structure of tool |
| 08/07/2012 | US8234957 Internally retained jaw roller pin |
| 08/07/2012 | DE202012102204U1 Ausgangsdrehzahl-Erhöhungsstruktur eines Ratschenschraubenziehers Output speed raising structure of a ratchet screwdriver |
| 07/24/2012 | US8225699 Sun gear coaxially driven screw and nut structure |
| 07/24/2012 | US8225698 Sun gear-driven magnification driving tool |
| 07/18/2012 | CN102581803A Reversing torque transmission rod and screwdriver |
| 07/18/2012 | CN102059674B Screwdriver |
| 07/17/2012 | US8220365 Planetary gear-driven magnification driving tool |
| 07/10/2012 | DE202012001593U1 Vorrichtung für Schlagschrauber zum Einsatz als Schlagschrauber und drehmomentkontrolliertem Schrauber Device for impact wrenches for use as impact wrenches and screwdrivers drehmomentkontrolliertem |
| 06/13/2012 | CN101875190B Wrench for linearly screwing bolt in small space |
| 05/30/2012 | CN202241053U Tool for unscrewing/screwing bolt |
| 05/30/2012 | CN202241052U Hand swing screw driver |
| 05/23/2012 | CN102463550A 管道法兰螺栓紧固工具 Pipe flange bolt tightening tools |
| 05/09/2012 | EP2450148A2 Spanner with reinforced torque |
| 05/08/2012 | DE202012101537U1 Handwerkzeugaufbau Hand tool design |
| 04/26/2012 | WO2012053973A1 Mobile production system for cement panel |
| 04/12/2012 | DE102010047891A1 Schrauber Screwdrivers |
| 03/27/2012 | US8141459 Powered adjustable pipe wrench |
| 03/21/2012 | CN102380837A Torque multiplier |
| 02/28/2012 | US8122788 Variable gear ratio ratchet |
| 02/22/2012 | CN102357857A Screwdriver |
| 02/16/2012 | WO2012019575A1 Device for producing precise tightening torque for screw connections |
| 02/15/2012 | CN101204798B 汽车板簧螺栓专用拆装器 Automotive leaf spring bolts special disassembler |
| 02/08/2012 | CN102343572A Novel bolt and nut tightening mechanism |
| 01/11/2012 | CN102310378A Powerful tightening tool for manual bolts or nuts |
| 01/03/2012 | US8087326 Low profile wrench and method |
| 12/29/2011 | WO2011161488A1 Bimanual ratchet wrench |
| 12/20/2011 | US8079291 Fastener feeder with fastener size screening |
| 12/14/2011 | EP2393635A2 Implement and tool for loosening connection elements and kit comprising such implement |