Patents for B25B 23 - Details of, or accessories for, spanners, wrenches, screwdrivers (20,046)
01/1987
01/13/1987CA1216445A1 Ratchet box wrench with offset handle
01/08/1987DE3523456A1 Method for monitoring the tightening operation of a screw
01/07/1987EP0207578A1 Multibit hand tool
01/02/1987DE3523227A1 Accessory tool for screwing in stud bolts and the like
01/02/1987DE3523221A1 Method of screwing pipes
01/02/1987DE3521937A1 Method for controlling a mechanical stress in a nut driver
01/02/1987DE3520941A1 Adaptor with electronic control for cranked spanners
12/1986
12/30/1986US4631992 Screwdriver
12/30/1986US4631989 Ratchet handle for use interchangeably with socket wrenches having coupling means of different sizes
12/30/1986US4631985 Device for holding a screw or the like
12/30/1986EP0206566A2 Tool
12/30/1986EP0205803A1 Device for applying a screw cap onto a container
12/30/1986EP0205597A1 Unidirectional wrench cartridge
12/23/1986US4630512 Adjustable motor-operated screw driving device
12/17/1986EP0205099A2 Automatic fastener system with fastener detection means
12/17/1986EP0201471A2 Marking device
12/17/1986CN86204492U Hydraulic spanner for demounting (and mounting) bolt of coupling of shaft
12/17/1986CN86201129U Screwdriver with a thickness-changing bit
12/16/1986US4629375 Chuck for tool shanks, particularly screwdriver bits
12/16/1986CA1215256A1 Successive screw feeder driver
12/10/1986EP0120024B1 A fastener-driving device
12/09/1986US4627761 Retainer
12/03/1986EP0203370A1 Screwing device with motor-driven screw driver
12/03/1986CN85106727A Jension control method for nutrunner
12/02/1986US4625599 Half-inch lug lock key
12/02/1986US4625597 Screw driving apparatus
12/02/1986US4625554 Device for tightening a nut on a fastening pin of a nuclear reactor guiding tube
11/1986
11/26/1986CN86101574A Torque-limited collar, joint, process for setting the joint, and driver
11/25/1986US4624323 Multi-purpose impact hand tool kit
11/20/1986EP0202103A1 Fastener feeder assembly for use with fastener driver apparatus
11/12/1986EP0201405A1 Screwing device with tightening-torque control
11/12/1986CN86200444U 3-way screwdriver for electrician
11/05/1986EP0199883A2 Motor-driven hand tool
11/05/1986EP0199869A1 Tools for use in tightening or removing screw-threaded fasteners
11/04/1986US4620450 Method of evaluating tightening condition of screw
11/04/1986US4620449 Portable air tool having built in transducer and calibration assembly
11/04/1986CA1213653A1 Apparatus for making threaded joints incorporating a make-up speed controller and apparatus for counting turns when making threaded joints including an increased resolution turns counter
10/1986
10/28/1986US4619160 Power wrench
10/22/1986EP0198304A2 Device for fastening screws above the yield point
10/21/1986US4617843 Electrically-operated driver
10/14/1986US4616411 Apparatus for fastening a door to a vehicle
10/07/1986US4615475 Feeders for headed fasteners
10/01/1986EP0195853A1 Clutch for power-operated wrenches
09/1986
09/30/1986US4614457 Coupling mechanism
09/30/1986CA1211925A1 Cigar lighter socket shell driver tool
09/23/1986US4613000 Apparatus for fastening misaligned structural members
09/16/1986US4611515 Tool for control and use of miniature screws and threaded fasteners
09/16/1986US4611513 Open access stud gripping tool
09/09/1986US4610339 Adjustable torque limiting assembly
09/09/1986CA1210969A1 Hand-held power tool with shaft lock
09/02/1986US4609089 Impact wrench for tightening to a desired level
09/02/1986US4608872 Hand-operated ratchet spanner for tightening screws
08/1986
08/28/1986WO1986004853A1 Fastener wrenching means
08/27/1986EP0192203A1 Collar, process for setting the joint, and driver
08/27/1986EP0191913A2 Driving arm for a wrench
08/26/1986US4607547 In association with a gripper mechanism for the head of a bolt
08/26/1986US4607546 Power wrench
08/19/1986US4606247 Versatile chained tool set
08/13/1986EP0190982A2 Connection device between a bone implant and the tool for its insertion
08/12/1986US4604943 Impulse tool having shut off system
08/05/1986US4603608 Remotely-manipulated apparatus for performing maintenance work in shielded cells
08/05/1986US4603606 Unidirectional drive tool cartridge and method of manufacture
07/1986
07/31/1986WO1986004285A1 Device for screwing screws with washers
07/30/1986EP0188550A1 Unidirectional drive tool cartridge and method of manufacture
07/29/1986US4602688 Device for performing remotely-manipulated maintenance work in a shielded cell
07/29/1986US4602538 One-armed torque wrench
07/29/1986US4602537 Automatic assembly machine
07/23/1986EP0187952A1 Metal shielded retaining ring
07/22/1986CA1208046A1 Riveting apparatus
07/17/1986WO1986004008A1 Unidirectional wrench cartridge
07/16/1986EP0187498A1 Device for holding a screw or the like
07/16/1986EP0187353A2 Power-driven screwing device with torque limitation
07/09/1986EP0187129A2 Hydraulic torque impulse tool
07/02/1986EP0186316A1 A portable power tool of an impulse type
07/01/1986US4597296 Torque transducing attachments for air-driven impact tools
07/01/1986US4597150 Method of and apparatus for closing joint devices to obtain consistent torque values
06/1986
06/25/1986EP0185639A2 Hydraulic torque impulse tool
06/25/1986EP0185475A2 Device for loading a tool with a component
06/25/1986CN85204883U Reinforcement wrench
06/10/1986US4593845 Oscillating separator for a fastener-driving device
06/10/1986US4593583 Torque tool adapted to set a fastener and to secure and retain fastener fragments
06/10/1986CN85108850A Portable power tool of an impulse type
06/10/1986CN85108242A Electrically-operated driver
06/04/1986EP0182986A1 Powered wrench with variable torque adjustment
06/03/1986US4592430 Fluid-pressure operated tools
06/03/1986US4592257 Hand-held screw driving device with adjustable depth stop
05/1986
05/28/1986EP0182185A2 Load indicating member, apparatus and method
05/27/1986US4590826 Combination stud driving tool and torque limiting device
05/20/1986US4589308 Socket wrench extension
05/20/1986US4589289 Device for tightening a screw fastening, especially for tightening it beyond the yield point by controlling the angle of rotation
05/06/1986US4586405 Nut driver
04/1986
04/30/1986EP0179132A1 Torque-multiplying hand wrench
04/22/1986US4583430 Metal shielded retaining ring
04/22/1986US4583277 Method utilizing a cigar lighter socket shell driver tool
04/16/1986EP0178252A2 Power-driven screw driver
04/15/1986US4581963 Screw holding device for screwdrivers
04/15/1986US4581962 Tool to capture, control and manipulate threaded fasteners
04/15/1986US4581871 Fastener and nosepiece for installing lath
04/01/1986US4579024 Power tongs and control system
04/01/1986US4578835 Tool carrier