Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046)
01/1985
01/08/1985US4492146 Shut-off device for a fluid driven motor
01/08/1985CA1180579A1 Automatic stud driving tool
01/01/1985US4491043 Stepless wrench including quick release mechanism
12/1984
12/19/1984EP0128883A1 Impact-driven key arrangement
12/18/1984US4488604 Torque control clutch for a power tool
12/18/1984US4488442 Compensating torque wrench
12/18/1984US4488437 Process for tightening of a joint having a threaded joint element
12/11/1984US4487270 Electric tool, particularly a handtool, with torque control
12/06/1984WO1984004710A1 Feeders for headed fasteners
12/05/1984EP0127014A2 Hand grip for hand tools
12/04/1984US4485703 Torque wrench
12/04/1984US4485698 Torque delivering tool with torque reaction support
12/04/1984US4485682 Transducer for torque and/or angular displacement measurement, especially in power screwdrivers
11/1984
11/06/1984US4480699 Compressed-air screwdriver with shutoff bypass means
11/06/1984US4480511 Locking socket wrench drive device
10/1984
10/31/1984EP0122955A1 Tool for receiving and releasing a tool attachment
10/30/1984US4480295 Work surface light
10/25/1984EP0110978A4 Tool to capture, control and manipulate threaded fasteners.
10/23/1984US4478112 Fastener feeder
10/16/1984US4477096 Socket retainer
10/16/1984US4476749 Automatic stud driver
10/09/1984US4475419 Counterholding tool for absorbing torque while tightening screws
10/03/1984EP0120024A1 A fastener-driving device.
10/02/1984US4474279 For a fluid-powered motor
10/02/1984US4474090 Nut installation tool
09/1984
09/26/1984EP0119928A1 Dynamometric tightening apparatus
09/26/1984EP0119926A1 Process and device for tightening screws or similar fasteners up to the yield point
09/25/1984US4472985 Fastening tool
09/12/1984EP0118215A2 Hand-held power tool with shaft lock
09/11/1984US4470329 Automatic stud driving tool
08/1984
08/28/1984US4467877 Power tool, in particular a hand-held compressed air screwdriver
08/28/1984US4467678 Torque wrench
08/22/1984EP0116245A1 Universal tool for use as an auxiliary for clamping and/or loosening screwable elements and screwing tools
08/21/1984CA1173143A1 Transfer bus matrix
08/07/1984US4463889 Special screw feed mechanism for screws, bolts, rivets, nails, etc.
07/1984
07/31/1984US4463293 Method and apparatus for shutting off a power screwdriver
07/31/1984US4462285 Power tool marking system
07/31/1984US4462283 Screw driver apparatus
07/31/1984US4462282 Power tool with torque reaction bar
07/18/1984EP0113421A2 Automatic machine for installing inserts
07/17/1984US4459882 Gear wrench with torque meter
07/10/1984US4458565 Torque limiting power screwdriver
07/03/1984CA1170088A1 Allen wrench handle
06/1984
06/26/1984US4455899 Impact wrench
06/26/1984US4455898 Tool for capture, control and manipulation of threaded fasteners
06/26/1984US4455897 Socket wrench device
06/20/1984EP0110978A1 Tool to capture, control and manipulate threaded fasteners.
06/19/1984US4455044 Tool for picking up and inserting different length bolts
06/19/1984CA1169560A1 Microprocessor control yield point tightening system
06/19/1984CA1169274A1 Fastener driving device with multiple bits
06/13/1984EP0110725A1 Improvements in fluid-pressure operated tools
05/1984
05/30/1984EP0109666A1 Hand tool with depth adjuster
05/29/1984US4450727 Digital retorque measuring apparatus
05/23/1984EP0108894A1 Capacitive torque sensor
05/22/1984CA1167671A1 Automatic stud driver
05/15/1984US4448564 Retaining means for impact drive socket
05/15/1984US4448098 Electrically driven screw-driver
05/15/1984US4448097 Driver tool
05/15/1984CA1167292A1 Article feeding apparatus
05/15/1984CA1167291A1 Torque wrench
05/08/1984US4446762 Universally usable hydraulic wrench for simultaneously tightening or loosening two threaded connectors or for tightening or loosening a single threaded connector with a greater force
05/08/1984US4446745 Apparatus for counting turns when making threaded joints including an increased resolution turns counter
05/02/1984EP0107439A1 Method and apparatus for securing and releasing a crankshaft pulley
05/01/1984USRE31569 Tension control of fasteners
05/01/1984CA1166722A1 Simplified fastening technique using the logarithmic rate method
04/1984
04/17/1984US4442738 Automatic push-to-start screwdriver
04/10/1984CA1165155A1 Installer drive unit chemical anchor
04/03/1984US4440049 Fail-safe electrical connection terminal and tightening tool
04/03/1984US4440048 Fastener driving device with multiple bits
03/1984
03/13/1984US4436005 Rotary torque adapter
03/06/1984US4434858 Air tool with stall torque regulator and air biasing mechanism
02/1984
02/21/1984US4432256 Adjustable powered wrench
02/15/1984EP0100577A1 Socket retainer
02/15/1984EP0100364A1 Vacuum holding type automatic screw fastening machine
02/14/1984CA1162084A1 Wrench coupling device
02/14/1984CA1162083A1 Device for driving screw, pin, rivet or the like
02/08/1984EP0100023A2 Torque wrench
02/07/1984US4429775 Clutch type torque control device for air driver
01/1984
01/31/1984US4428261 Screw feed apparatus for use with a power screwdriving tool
01/24/1984US4427077 Portable fastening tool with manual turn on and automatic shut off
01/24/1984US4426887 Method of measuring previously applied torque to a fastener
01/10/1984US4424729 Accessory for screw driver
01/10/1984US4424728 Allen wrench handle
01/10/1984CA1160078A1 Ratchet wrench of the socket drive type with socket ejector
01/03/1984US4423649 Ratchet drive with an equal load double pawl arrangement
12/1983
12/22/1983WO1983004385A1 Tool to capture, control and manipulate threaded fasteners
12/21/1983EP0096620A1 Method of tightening a bolted joint
12/21/1983EP0096452A2 Ratchet wrench with offset handle
12/20/1983US4420995 Quick-release and positive locking mechanism for use on socket wrenches and on power and impact tools
12/06/1983US4418768 Manual torque magnifying impact tool
12/06/1983US4418765 Power-driven screwdriver with a torque control
12/06/1983US4418764 Fluid impulse torque tool
12/06/1983US4418590 Screw assembly with torque determination
11/1983
11/29/1983CA1157693A1 Torque wrench
11/23/1983EP0094444A1 Device for fastening screws, in paricular above the yield point with angle of rotation control
11/22/1983US4416173 Wrench adapter
11/22/1983US4416172 Apparatus for automatically feeding screws to a screwing mechanism
11/22/1983CA1157202A1 Stand-up screw gun for long fasteners
11/15/1983US4414867 Jointed tool
11/10/1983WO1983003790A1 A fastener-driving device