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