Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046) |
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08/22/1978 | US4108252 Power driver for threaded fasteners |
08/22/1978 | US4108027 Ratchet wrench with double swivelling drive shaft |
08/15/1978 | US4107765 Self-illuminating hand tool |
08/15/1978 | US4106570 Angle sensing tool for applying torque |
08/15/1978 | US4106373 Bit driving tool for use in barriers separating different environments |
08/15/1978 | US4106371 Clamping tool |
08/15/1978 | US4106178 Threaded stud driving tool |
08/15/1978 | US4106176 Method and apparatus for fastener tensioning |
08/15/1978 | CA1036397A1 Power driven screw driver with a screw holding nosepiece |
08/08/1978 | US4104936 Holding-on device |
08/08/1978 | US4104780 Method and system for tightening joint assembly |
08/08/1978 | US4104779 Tightening method and system |
08/08/1978 | US4104778 Method and apparatus for fastener tensioning |
07/25/1978 | US4102375 Variable-length tool holder |
07/25/1978 | US4102182 Quality checking system for a threaded fastener assembly |
07/18/1978 | US4101054 Pneumatic automatic screwfeeder |
07/18/1978 | US4100663 Carburetor, kit and tool for use therein |
06/27/1978 | US4096896 Composite tool structure |
06/27/1978 | US4096621 Method of concurrently rotating a threaded fastener and deflecting a locking tab |
06/20/1978 | US4095325 Method for tightening bolts |
06/06/1978 | US4092882 Water closet flange wrench and puller |
05/30/1978 | US4091850 Apparatus for attaching roof insulating sheets and similar objects |
05/30/1978 | US4091664 Tightening wrench with angle indicator |
05/23/1978 | US4091451 Method of and apparatus for making up a threaded connection |
05/23/1978 | US4090421 Spark plug tightener |
05/16/1978 | US4089357 Threaded fastener |
05/09/1978 | US4088197 Power tool |
05/02/1978 | US4086829 Speed handle ratchet |
04/18/1978 | US4084487 Pulse motor in a nut runner |
04/18/1978 | US4084429 Power tong apparatus |
04/11/1978 | US4083270 Air motor having angular displacement control means |
03/28/1978 | US4081037 Control system for a multiple spindle machine |
03/21/1978 | US4079639 Torque wrench |
03/14/1978 | US4078618 Torque controller shutoff mechanism |
03/14/1978 | US4078593 Slide mechanism for expandable bit screw holding screwdriver |
02/21/1978 | US4074772 Torquing tool control circuit |
02/21/1978 | US4074425 Apparatus for automatically feeding and setting stud bolts |
02/14/1978 | US4073187 Electronic torque wrench |
01/31/1978 | US4071092 Pneumatic screwdriver with torque responsive shut-off |
01/31/1978 | US4070932 Extensible handle for a tool headpiece |
01/03/1978 | US4066942 Control circuit for a power tool |
01/03/1978 | US4066133 Power hand tool |
12/27/1977 | US4064948 Power wrench |
12/27/1977 | US4064771 Automatic torque controller for an impact wrench |
12/20/1977 | US4063625 Improved screw or nut runner |
12/20/1977 | US4063580 Mechanism for holding fasteners |
12/20/1977 | US4063474 Torque limiting screwdriver |
12/13/1977 | US4062389 Screw applicator |
12/13/1977 | US4062388 Installation tool apparatus |
12/13/1977 | US4062203 Torque limiting device |
11/29/1977 | US4060137 Torque wrench |
11/29/1977 | US4060114 Tightening device for threaded screw part |
11/29/1977 | US4060113 Tightening device for threaded screw part |
11/22/1977 | US4059034 Screw-driving devices |
11/15/1977 | US4058032 Open-end wrench |
11/01/1977 | US4056762 Stroke energy limited motor-driven screwdriver |
10/25/1977 | US4055080 Torquing apparatus |
10/18/1977 | USRE29444 Fastener tool |
09/20/1977 | US4049104 Power operated torque tool |
09/20/1977 | US4048875 Apparatus for screwing a threaded nut onto a steel rod |
09/13/1977 | US4047611 Air-powered, self-feeding screw driving tool |
08/23/1977 | US4043222 Housing construction for a power tool |
08/16/1977 | US4041811 Torque limiting driver |
07/19/1977 | US4036692 Nuclear fuel element nut retainer cup |
07/12/1977 | US4034574 Universal ball and socket swivel joint |
06/21/1977 | US4030383 Nose piece for screwguns |
06/14/1977 | US4029185 Torque transmitting and indicating device |
06/07/1977 | US4027560 Power wrenches with two point reaction means |
06/07/1977 | US4027558 Ratchet-type torque wrenches with extended torque range |
06/07/1977 | US4027530 Simplified apparatus for and method of tightening fasteners |
06/07/1977 | US4027369 Element rows coupling tool for a concealed slide fastener |
05/31/1977 | US4026369 Yield torque apparatus |
05/24/1977 | US4024892 Valve for use in a nut installation tool |
05/17/1977 | US4023627 Air shut-off tool |
05/17/1977 | US4023406 Tightening system with torque-time control |
04/26/1977 | US4019589 Pulse motor nut runner |
04/26/1977 | US4019412 Torque release wrench |
04/19/1977 | US4018254 Installation tool apparatus |
04/19/1977 | US4018111 Tamper resistant fastener and tool for operating same |
04/12/1977 | US4016940 Pneumatic nut runner having a directional valve and an air regulator |
04/12/1977 | US4016938 Method for fastener tensioning |
04/12/1977 | US4016913 Holding device for screw drivers and the like |
04/05/1977 | US4015490 Screw removal tool |
03/29/1977 | US4014488 Fastener feed apparatus and method |
03/29/1977 | US4014225 Power-driven screwdriver |
03/22/1977 | US4013895 Clamping tool and method |
03/15/1977 | US4012084 Self-aligning load transmission post |
03/08/1977 | US4010639 Multi purpose torque wrench |
02/22/1977 | US4008773 Tightening system |
02/22/1977 | US4008772 Tightening system |
02/15/1977 | US4007834 Fastener package |
02/15/1977 | US4007768 Tightening device for threaded screw part |
02/15/1977 | US4007651 Device for increasing the torque applied to a hand tool |
02/08/1977 | US4006785 Power tool |
02/08/1977 | US4006784 Fluid operated power tool |
02/08/1977 | US4006629 Torque measuring apparatus |
02/08/1977 | US4006608 Torque release drive coupling |
01/25/1977 | US4004859 Air tool with speed responsive shutoff |
01/25/1977 | US4004476 Socket wrench extension grip |
01/18/1977 | US4003417 Self locking and unlocking clamp for automatic fastener driving tools |