| Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046) |
|---|
| 10/15/1991 | US5056386 Screwdriver bit and finder system |
| 10/08/1991 | US5054588 Torque sensing automatic shut-off and reset clutch for screwdrivers, nutsetters and the like |
| 10/03/1991 | WO1991014533A1 Part supplying rod |
| 10/02/1991 | EP0449709A1 Automatic screwdriver head |
| 10/02/1991 | EP0448759A1 Screwing device |
| 10/02/1991 | CN2085707U Fixing tool with improved structure |
| 10/02/1991 | CN2085706U Hydraulic controlled torsion spanner |
| 10/01/1991 | US5052253 Screwdriver |
| 10/01/1991 | US5052249 Bolt wrench |
| 10/01/1991 | US5052094 Lock wire securing tool |
| 10/01/1991 | CA1289781C Ratchet wrench with manual disassembly capability |
| 09/30/1991 | WO1991014541A1 Adjustable pressure dual piston impulse clutch |
| 09/25/1991 | EP0448306A2 Torque wrench |
| 09/25/1991 | CN2085287U 磁性螺丝刀 Magnetic screwdriver |
| 09/24/1991 | US5051876 Compound hand tool with a screwdriver |
| 09/24/1991 | US5050467 Wrench socket retainer |
| 09/24/1991 | US5050463 Ratchet wrench |
| 09/21/1991 | CA2038694A1 Torque wrench |
| 09/18/1991 | EP0447240A1 Ratchet wrench with manually removable core |
| 09/18/1991 | CN2084863U Self-grip screwdriver |
| 09/17/1991 | US5048381 Torque-indicating screwdriver |
| 09/17/1991 | US5048379 Multi-functional double-ended socket wrenches |
| 09/17/1991 | CA2037592A1 Ratchet wrench with manually removable core |
| 09/11/1991 | EP0446191A2 Torsional tightener for bone anchoring or implant elements/tools |
| 09/04/1991 | EP0445084A2 Tool for the application of internally threaded hollow inserts |
| 09/04/1991 | EP0444776A1 Coupling device and method |
| 09/03/1991 | US5044519 Apparatus for feeding slender parts |
| 09/03/1991 | US5044234 Electrical screwdriver |
| 09/03/1991 | US5044233 Depth adjuster for rotary tools such as screwdrivers |
| 09/03/1991 | US5044225 Pneumatic nut installation tool |
| 08/28/1991 | CN2083531U Screw driver with rotary light |
| 08/27/1991 | US5042333 Adapter sleeve |
| 08/27/1991 | US5042332 Angularly displaced pin coupling |
| 08/27/1991 | US5042142 Washer-dispensing and fastener-driving machine |
| 08/27/1991 | CA1287991C Torque-limited collar, joint, process for setting the joint, and driver |
| 08/22/1991 | DE4005083A1 Inserting fastening bolts in cladding panels - using guide bush and torque limited nut runner to expand bolt sleeve into hole |
| 08/20/1991 | CA2010493A1 Concealed and built-up type multipurpose hand tool structure |
| 08/14/1991 | EP0441758A2 Torque impulse delivering power tool |
| 08/14/1991 | CN2082664U Hydraulic combined type torsion spanner |
| 08/14/1991 | CN2082663U Combined screw driver capable of setting up definite force |
| 08/14/1991 | CA2036218A1 Tool for the application of predetermined torque to bolts, nuts and the like |
| 08/14/1991 | CA2031298A1 Fastener driving tool set |
| 08/13/1991 | US5038869 Fatigue-resistant spindle end |
| 08/13/1991 | US5038643 Socket wrench ejector |
| 08/08/1991 | WO1991011295A1 Automatic screwer |
| 08/07/1991 | CN2082225U Single body dual head screw-driver |
| 08/07/1991 | CN1053570A Improved installation tool for helical coil inserts |
| 07/31/1991 | EP0438965A2 Front end assembly installation tool for helical coil wire inserts |
| 07/25/1991 | WO1991010541A1 Die chuck for multiple-cornered ends of tool spindles |
| 07/25/1991 | WO1991010539A1 Nut runner tooling |
| 07/24/1991 | EP0411109A4 Screw and driver |
| 07/24/1991 | CN2081335U Self-lighting test pencil moving screwdriver |
| 07/24/1991 | CN2081334U Force moment spanner with digital display |
| 07/23/1991 | US5033337 Extension element for use with wrench-type hand tools |
| 07/17/1991 | EP0437060A2 Dual mode rotary power tool |
| 07/17/1991 | EP0436843A1 Reduction of relaxation induced tension scatter in fasteners |
| 07/17/1991 | CN2080895U Bushing driver special for stud |
| 07/17/1991 | CN2080893U Multifunctional monkey-spanner |
| 07/17/1991 | CN2080888U Miniature mechanical fingers |
| 07/10/1991 | CA2032208A1 Dual mode rotary power tool with adjustable output torque |
| 07/09/1991 | US5029498 Non-slip screwdriver attachment |
| 07/03/1991 | EP0434766A1 Method for monitoring gasket compression during fastener tensioning. |
| 07/02/1991 | US5028181 Quick change right angle and offset drill head |
| 07/02/1991 | US5027932 Tightening device having adjustable clamping torque |
| 07/02/1991 | US5027679 Fastener driver |
| 06/26/1991 | EP0433284A1 Locking socket wrench drive device. |
| 06/25/1991 | US5025903 Dual mode rotary power tool with adjustable output torque |
| 06/25/1991 | US5025688 Expandable drive tool tip for screw retention |
| 06/23/1991 | WO1991009708A1 Improved composite wrench |
| 06/19/1991 | EP0432884A2 Power wrench |
| 06/04/1991 | US5020397 Wrench |
| 06/04/1991 | CA1284593C Apparatus for screwing-in screws with washers |
| 05/29/1991 | DE3938787A1 Electric screwdriver with torque-monitoring and braking circuits - has strain-guage torque meter providing continuous braking signal during rapid deceleration of motor |
| 05/28/1991 | US5018410 Wrench |
| 05/23/1991 | DE3938244A1 Quick-change tool adaptor - is for portable drill or screwdriver and has drill fitted in adaptor with shank end entering quick-change chuck |
| 05/22/1991 | WO1991007256A1 Wrench |
| 05/22/1991 | CN2077355U Easy screwdriver |
| 05/15/1991 | EP0427120A1 Improvements in roofing washer-dispensing machine |
| 05/15/1991 | CN2076904U Multi-functional combined rotational tool |
| 05/14/1991 | US5015129 Adapter for battery-powered screwdriver to attach drill chuck |
| 05/14/1991 | US5015127 Article feeder |
| 05/14/1991 | US5014794 Power driven tool and drive system therefor |
| 05/07/1991 | US5012968 Device for controlling access in fastener manipulation systems |
| 05/07/1991 | US5012708 Depth locator apparatus for insert bit holders |
| 05/07/1991 | US5012705 Ratchet wrench with manually removable core |
| 05/07/1991 | US5012704 Ball driver for a threaded collar |
| 05/02/1991 | EP0425358A1 Screwplug, especially for soft material, and tool for installing the same |
| 04/30/1991 | US5011352 Deflection type thread lock for a threaded fastener |
| 04/30/1991 | US5011324 Detent structure having a retaining lip with a smooth continuous outer surface free from stress-concentrating corners |
| 04/30/1991 | US5010792 Socket wrench drill attachment |
| 04/24/1991 | EP0423851A2 Lock wire securing tool |
| 04/23/1991 | US5009133 Surface protective fastener tool |
| 04/18/1991 | DE3933913A1 Torque wrench with transmission device - to transmit torque up to predetermined loading when it moves to overload position |
| 04/16/1991 | US5007311 Slidable driving stud for using in socket wrench and its manufacturing process |
| 04/16/1991 | US5007153 Method for tightening threaded connectors |
| 04/14/1991 | CA2023106A1 Electronic torque wrench with tactile indication |
| 04/12/1991 | CA2025794A1 Dual mode torque wrench |
| 04/10/1991 | EP0421721A2 Screwdriver |
| 04/09/1991 | US5005682 Air powered torque control tool driver with automatic torque disconnect |
| 04/09/1991 | US5005654 High torque hydraulic shoe bolt wrench |