| Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046) |
|---|
| 01/11/1977 | US4002265 Apparatus for pneumatically delivering parts |
| 01/04/1977 | US4000782 Tightening system with quality control apparatus |
| 12/07/1976 | US3995477 Torque spanners |
| 11/23/1976 | US3993145 Power tool |
| 10/19/1976 | US3986540 Fluid servicing unit for automatic fastener feeding and driving apparatus |
| 10/12/1976 | US3985240 Mechanism for transferring parts |
| 10/12/1976 | US3984997 Friction torque limiters |
| 08/31/1976 | US3977278 Automotive electric impact wrench |
| 08/24/1976 | US3975954 Method and apparatus for evaluating torquing operations |
| 08/17/1976 | US3974884 Power wrench with magnetic sleeves for variable torque output |
| 08/17/1976 | US3974883 Tightening system |
| 08/17/1976 | US3974685 Tightening system and method |
| 08/10/1976 | US3973605 Driving tool barrel assembly |
| 08/10/1976 | US3973434 Tightening system with quality control apparatus |
| 07/27/1976 | US3971421 Air-powered, self-feeding screw driving tool |
| 07/20/1976 | US3970155 Electronic torque wrench |
| 07/20/1976 | US3970151 Torque responsive motor shutoff for power tool |
| 07/20/1976 | US3969961 Torque limiting adaptor |
| 07/20/1976 | US3969810 Method for tightening a bolt to exert a predetermined tension force by monitoring bolt elongation while the bolt is being installed |
| 07/13/1976 | USRE28899 Torque control apparatus |
| 07/06/1976 | US3967664 Power driven screw driver with a screw holding nosepiece |
| 07/06/1976 | US3967513 Torque signaling attachment for torque wrench |
| 06/29/1976 | US3965950 Fastener driver and fastener holding nosepiece |
| 06/29/1976 | US3965778 Multi-stage tightening system |
| 06/29/1976 | US3965510 Combination drilling and wrenching tool |
| 06/22/1976 | US3964351 Torque wrench |
| 06/15/1976 | US3962910 Method and apparatus for fastener tension inspection |
| 06/01/1976 | US3960191 Fastener feeding and driving attachment |
| 06/01/1976 | US3960039 Collet wrench |
| 06/01/1976 | US3960035 Torque responsive speed shifting mechanism for power tool |
| 05/25/1976 | US3958614 Automatic screwdriving machine |
| 05/18/1976 | US3956905 Clutch |
| 05/11/1976 | US3955662 Torque limiting wrench |
| 05/11/1976 | US3955451 Hand-held spin-type driver tool |
| 05/11/1976 | US3955447 Push-pull power wrench for threaded connectors |
| 05/04/1976 | US3953917 Method for freeing a fastener |
| 04/13/1976 | US3949795 Sink clip inserting device |
| 04/06/1976 | US3948328 Pneumatic impact wrench with torque responsive control |
| 03/30/1976 | US3946926 Automatic fastener emplacement mechanism |
| 03/16/1976 | US3943986 Screw driver bit |
| 03/16/1976 | US3943800 Portable screw driving tool having screw depth control feature |
| 03/09/1976 | US3942337 Torque limiting device |
| 02/24/1976 | US3939924 Power torque wrench |
| 02/24/1976 | US3939920 Tightening method and system |
| 01/27/1976 | US3934629 Screw driver |
| 01/06/1976 | US3930297 Fastener feed apparatus and method |