| Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046) |
|---|
| 05/16/1990 | EP0368813A1 A device for screwing a self-tapping member into a smooth hole provided in a structure intended to house the member |
| 05/16/1990 | CN2057133U Combined hand tool |
| 05/15/1990 | US4924736 Gripping screw drive bit |
| 05/15/1990 | US4924734 Quick release and exchange socket drive |
| 05/15/1990 | US4924732 Power driven screwdriver with vacuum for removing contaminants |
| 05/14/1990 | EP0282585A4 Manipulator. |
| 05/10/1990 | DE3837942A1 Method and device for a screwing operation of modular design |
| 05/09/1990 | CN2056890U Labour-saving spanner |
| 05/08/1990 | US4923047 Machine with variable torque setting |
| 05/03/1990 | DE3836699A1 Sleeve guide for screwing implements |
| 05/02/1990 | CN2056626U Rapid moveable spanner |
| 05/01/1990 | US4922436 Method and system for the automated driving of parts and device used therein |
| 05/01/1990 | US4921009 Torque control system |
| 04/25/1990 | EP0213121B1 Fastener wrenching means |
| 04/24/1990 | US4919020 Spring-loaded magnetic driver and method of assembly thereof |
| 04/24/1990 | US4919018 Hydraulic power wrench |
| 04/18/1990 | EP0363587A2 Tightening control apparatus for torque wrench |
| 04/18/1990 | CN2056118U Multi-purpose rotating wheel screw driver |
| 04/11/1990 | EP0362696A1 Torque wrench with measurements independent of hand-hold position |
| 04/11/1990 | EP0362415A1 Hydraulic power screw driver |
| 04/11/1990 | CN1041126A Portable screw driver having flexible extension shaft |
| 04/10/1990 | US4915223 Expansible plug device |
| 04/10/1990 | US4914989 Wrench for removal of a stud-nut from an outer nut |
| 04/04/1990 | EP0361634A1 Hydraulic wrench |
| 04/04/1990 | EP0360894A1 Automatic release torque wrench |
| 04/04/1990 | EP0360893A1 Automatic release torque wrench |
| 04/04/1990 | EP0360872A1 Part vibrating and arraying apparatus |
| 04/03/1990 | US4913242 Electric screw driver |
| 04/03/1990 | US4913008 Torquing apparatus |
| 04/03/1990 | US4913007 Right angle extension tool |
| 04/03/1990 | CA1267305A1 Wrench socket |
| 03/29/1990 | DE3832343A1 Screwdriver slip preventer with screw holder |
| 03/28/1990 | EP0359992A2 Low noise clutch for a screw driver |
| 03/22/1990 | WO1990002634A1 Locking socket wrench drive device |
| 03/22/1990 | DE3832202C1 Hand-held machine tool |
| 03/21/1990 | EP0359543A2 Flexible extension shaft for a screwdriver |
| 03/21/1990 | CN2054736U Wrench with expansion movable wrench-head |
| 03/20/1990 | US4908926 Method of and apparatus for controlling nut runner |
| 03/14/1990 | CN2054395U Gearshift box spanner |
| 03/08/1990 | DE3829331A1 Chuck for tool inserts, in particular screwdriver bits |
| 03/07/1990 | EP0356439A1 Torque spanner |
| 03/07/1990 | CN2053972U Fast durable screw driver |
| 03/06/1990 | US4906980 Detector of false rotation of power screwdriver |
| 03/06/1990 | US4905549 Power driven wrench retention device |
| 03/06/1990 | US4905548 Adjustable socket wrench extension |
| 02/27/1990 | US4903783 Solenoid controlled air tool |
| 02/20/1990 | US4901610 Adjustable torque controlling mechanism |
| 02/20/1990 | US4901411 Apparatus for partial disassembly of firearm |
| 02/13/1990 | US4899625 Wrench for wheel lug nut |
| 02/13/1990 | US4899591 Ultrasonic load indicating member, apparatus and method |
| 02/13/1990 | US4899438 Assembly device for pressing C-shaped sheet metal nut onto a plate |
| 02/07/1990 | CN2052324U Screw driver with jaws and magnet |
| 02/06/1990 | US4898248 Hydraulic device |
| 02/06/1990 | US4898068 Torque wrench |
| 02/06/1990 | US4898053 Socket wrench extension with extensible magnet |
| 02/01/1990 | DE3826079A1 Pneumatic torque-controlled screwing device |
| 02/01/1990 | DE3825711A1 Turning tool |
| 01/30/1990 | CA1264958A1 Portable air tool having adjustable built in transducer and calibration assembly |
| 01/24/1990 | CN2051548U Integrated variable type multifunctional screw driver |
| 01/23/1990 | US4895055 Installation tool for an anchor element |
| 01/17/1990 | EP0351179A1 Torque adjusting mechanism for power driven rotary tools |
| 01/16/1990 | US4894767 Method for yield tightening of screws |
| 01/16/1990 | US4894043 Torque transmitting coupler with shear capability and component separation containment |
| 01/11/1990 | DE3822986A1 Electrically driven hand screwing device |
| 01/10/1990 | EP0350370A1 Automatic tool for placing inserts, especially of the bushing type |
| 01/09/1990 | US4892013 Variable speed gearing in rotary electric tool |
| 01/04/1990 | DE3830197C1 Powered screwing tool with a torque-limiting device |
| 01/03/1990 | EP0349482A2 Motor-driven hand tool |
| 01/03/1990 | CN2050363U Torque-indicating wrench |
| 01/02/1990 | US4890968 Stackable roofing washer |
| 01/02/1990 | US4890521 Self-gripping power screw driver bit |
| 12/20/1989 | CN2049582U Screw gripper for screwdriver |
| 12/20/1989 | CN1006140B Tension control method for nutrunner |
| 12/19/1989 | US4887499 Power screwdriver with torque limiter |
| 12/14/1989 | DE3818333A1 Magnetic-field-oriented "frontal assembly", guided manually, by handling device or robot |
| 12/06/1989 | CN2048816U 电磁螺丝刀 Electromagnetic screwdriver |
| 12/05/1989 | US4884995 Hydraulic torque impulse generator |
| 11/29/1989 | EP0343296A2 Extension bit for powered screwdriver |
| 11/29/1989 | CN2048414U Dual spanner for double pipe and screw nut |
| 11/28/1989 | US4883255 Winch handle |
| 11/28/1989 | US4883130 Dual speed transmission for automatic assembly machine |
| 11/23/1989 | EP0343039A1 Wrenches for removing threaded filters or the like |
| 11/23/1989 | DE3820898A1 Mechanical automatic screwdriver system - incorporates ratchet engaging head of channel to guide screw |
| 11/23/1989 | DE3815814A1 Feeding device on a tool |
| 11/21/1989 | US4881435 Power tool for two step tightening of screw joints |
| 11/21/1989 | US4881316 Process for setting a threaded torque-limited collar and pin joint |
| 11/14/1989 | US4880064 Torque sensing, automatic shut-off and reset clutch for screwdrivers, nutsetters and the like |
| 11/14/1989 | US4879927 Positioning device for screwing and unscrewing a nut |
| 11/09/1989 | DE3839788C1 Screwdriver blade or screwdriver insert |
| 11/08/1989 | EP0340999A1 Gasket compression control having tension-related feedback |
| 11/07/1989 | US4878794 Collated screw fasteners |
| 11/01/1989 | CN2046791U Xx-1 type screwdriver |
| 10/31/1989 | US4876929 Portable screw driver having flexible extension shaft |
| 10/25/1989 | EP0338554A2 Barrel assembly for installation tool and method of installation |
| 10/25/1989 | EP0338406A2 Automatic self-advancing machine for applying inserts |
| 10/24/1989 | US4875528 Torque control actuator |
| 10/17/1989 | US4873742 Safety tie down bar hand grip system |
| 10/11/1989 | EP0336136A1 Screw driver bit |
| 10/11/1989 | EP0232397B1 Device for applying screws |
| 10/11/1989 | CN2045683U Drum-type multipurpose double offset ring spanner |