| Patents for B25B 17 - Hand-driven gear-operated wrenches or screwdrivers (1,139) |
|---|
| 12/08/1981 | US4304157 Torque wrench |
| 11/10/1981 | US4299145 Ratchet wrench |
| 10/27/1981 | US4296654 Adjustable angled socket wrench extension |
| 07/21/1981 | US4279314 Ratchet wrench attachment |
| 06/23/1981 | US4274310 Torque multiplication device |
| 05/28/1981 | WO1981001386A1 Screwdriver allowing to drive screws with a certain angle with respect to the longitudinal axis thereof |
| 05/05/1981 | US4265148 Ratchet tool |
| 04/22/1981 | EP0027183A2 Wrench |
| 04/21/1981 | US4262561 Ratchet and gear drive socket wrench handle |
| 03/31/1981 | US4258594 Socket wrench with auxiliary drive |
| 03/10/1981 | US4254674 Socket support adapter |
| 01/06/1981 | US4242931 Gear wrench |
| 12/23/1980 | US4240310 Socket wrench |
| 11/04/1980 | US4231454 Torque wrench with clutches in series |
| 11/04/1980 | US4231271 Attachment for bolt tightening and removing device |
| 10/15/1980 | EP0017047A1 Ratchet wrench |
| 08/05/1980 | US4215599 Torque multiplier assembly |
| 02/05/1980 | US4186629 Device for untightening and tightening nuts |
| 12/18/1979 | US4178816 Portable hydrant wrench |
| 05/15/1979 | USRE29993 Gear wrench |
| 05/15/1979 | US4154122 Hand-powered tool |
| 02/27/1979 | US4141261 Hydraulic wrench |
| 02/06/1979 | US4137801 Combined ratchet and torsion wrench |
| 12/05/1978 | US4128025 Bolt starting device |
| 07/04/1978 | US4098151 Powered wrench |
| 01/24/1978 | US4069726 Tightening and releasing tool |
| 12/20/1977 | US4063475 Lug nut tool |
| 09/20/1977 | US4048874 Hand tool |
| 08/23/1977 | US4043228 Socket wrench |
| 01/18/1977 | US4003275 Wrench |
| 01/18/1977 | US4003274 Sun and planet gear transmission mechanism particularly for power wrenches |
| 11/23/1976 | US3992964 Torquing or speeding lug wrench |
| 11/02/1976 | US3988952 Portable and powerably actuatable pipe wrench |
| 10/26/1976 | US3987691 Extensible non-cranking wrench |
| 10/05/1976 | US3983759 Double-acting wrench |
| 09/14/1976 | US3979965 Torque multiplier tool |
| 07/27/1976 | US3971271 Wrench for surgical use |
| 04/27/1976 | US3952617 Wrench |
| 03/23/1976 | US3945274 Speed wrench |