Patents
Sitemap › B25 - Hand tools; Portable power-driven tools; Handles for hand implements; Workshop equipment; Manipulators › B25B - Tools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding › B25B 15 - Screwdrivers
Patents for B25B 15 - Screwdrivers (5,371)
07/1986
07/16/1986CN85200969U Wire-stripping screwdriver
07/02/1986CN85202838U Screwdriver of replaceable bit
07/02/1986CN85202436U Wood screw screwdrive
07/02/1986CN85201520U Insulated electricians' knife for multifunction
07/01/1986US4597478 Ratcheting tool with improved support for driven shank
06/1986
06/25/1986EP0185468A1 Multibit hand tool with improved chuck arrangement
06/18/1986CN85202600U Screw with a "y" form slot on its head and its special screwdriver
05/1986
05/27/1986US4590825 High torque fastener and driving tool
05/27/1986US4590824 Screwdriver
05/20/1986US4589178 Insertion tool
05/20/1986US4589154 Method and apparatus for forming the head of a high torque fastener
05/13/1986US4587736 Creaser tool
04/1986
04/15/1986US4581961 Adjustable screw driver
04/09/1986EP0176593A1 Fastener, particularly suited for orthopedic use
03/1986
03/25/1986US4577522 Torsional thrust tool
02/1986
02/25/1986US4572039 Interlocking lock screw with screw driver
02/25/1986US4572038 Multi-purpose tool
02/25/1986US4571966 Security mechanism for pipe flanges
02/19/1986EP0172130A2 Screw for orthopaedic fixation
02/19/1986CN85200836U Screwdriver with pen
01/1986
01/28/1986US4566357 Universal tool-holder
12/1985
12/31/1985US4561507 In an impact tool
11/1985
11/12/1985US4552044 Multibit screwdriver with improved bit insertion
10/1985
10/24/1985WO1985004568A1 Fastener, particularly suited for orthopedic use
10/15/1985CA1195160A1 Internal-external drive recess
09/1985
09/17/1985US4541314 Power driven hand tool
09/03/1985US4538486 Non-slip screw
08/1985
08/21/1985EP0152169A1 Multi-purpose tool
07/1985
07/31/1985EP0149777A2 Screwing-drilling device
07/16/1985US4529071 Ratcheting tool with improved cam shifter means
07/16/1985US4528874 Screw fasteners and drivers
07/02/1985US4526071 Screwdriver and joining device
05/1985
05/22/1985EP0142037A1 Universal screw
05/21/1985US4517865 Torque-adjustable screwdriver
05/07/1985US4515046 Retractable torque applying tool
04/1985
04/10/1985EP0136854A1 Screwdriver with shaped blade tip
04/09/1985US4509393 Drive attachment for J-hook
04/02/1985US4507817 Connector and insertion tool
03/1985
03/12/1985US4503737 Threaded fastener removing tool
02/1985
02/19/1985CA1182668A1 Screwdriver
02/05/1985US4497225 High torque fastener and driving tool
12/1984
12/18/1984US4488462 Screwdriver with dual tip
12/18/1984US4488460 Ergonomic handle for hand tool
12/04/1984US4485699 Rotatable hand tool with directional drive control
11/1984
11/22/1984WO1984004481A1 Improved high torque fastener and driving tool
11/06/1984US4480514 Driving tool for tamper resistant screw
11/06/1984US4480512 Screwdriver for manual or power operation
08/1984
08/22/1984EP0116245A1 Universal tool for use as an auxiliary for clamping and/or loosening screwable elements and screwing tools
08/21/1984US4466523 For a hand tool
08/21/1984US4466315 Combination tool including spanner wrench and screwdriver
08/14/1984US4465463 Driving tool
08/14/1984US4464957 Fastener and driver combination
06/1984
06/19/1984CA1169274A1 Fastener driving device with multiple bits
05/1984
05/22/1984US4449722 Driver for Allen head screws
05/15/1984US4448098 Electrically driven screw-driver
05/15/1984US4448097 Driver tool
05/15/1984CA1167293A1 Screw driver and screw head system
03/1984
03/20/1984US4437365 Screwdriver
03/06/1984US4434688 Screwdriver
03/06/1984US4434687 Damaged screw remover
02/1984
02/28/1984CA1162766A1 Pivot tip hand tool
02/07/1984US4430035 Fastener driver head and tool and coupling therebetween
02/07/1984US4429600 Tamper-proof screw assembly
02/07/1984US4429599 One way screwdriver
01/1984
01/25/1984EP0099200A2 Ratchet handle
01/24/1984US4427100 Reversible tool handle
01/24/1984US4426896 Tamper-proof fastener removal tool
01/17/1984US4425828 Right angle drive ratchet screw-driver
11/1983
11/29/1983US4417611 Screwdriver
10/1983
10/12/1983EP0090869A1 Improvements in or relating to screws
09/1983
09/29/1983WO1983003288A1 Reversible tool handle
09/20/1983US4404874 Screwdriver with replaceable blade
04/1983
04/26/1983US4380942 Torque-transmitting tool assembly
01/1983
01/12/1983EP0069123A1 Rotary hand tools
01/11/1983US4367664 Combination tool
01/05/1983EP0068205A2 Screw-driver with interchangeable blade
11/1982
11/02/1982US4356852 Hand drive tool
10/1982
10/05/1982US4352614 Tamper resistant threaded fastener
09/1982
09/21/1982US4350064 Auxiliary tool kit for a socket wrench set
08/1982
08/25/1982EP0058219A1 Universal stepped internal grip wrench
07/1982
07/27/1982US4341293 Torque-applying, freely-reversible tool and drive-handle coupling with direction of torque-application selection
07/27/1982US4341292 Freely-reversible torque-applying handle assembly with direction of torque-application selection
07/20/1982US4339971 Fastener and driving tool
07/13/1982US4338835 Recessed head fastener and driver therefor
06/1982
06/08/1982CA1125058A1 Fastener and driver assembly having a series of flutes and lobes
05/1982
05/11/1982US4328721 Phillips screwdriver with retractable slotted screw driver blade
05/04/1982US4327790 Fastener driving device with multiple bits
05/04/1982CA1122821A1 Ball head polygonal wrench
04/1982
04/20/1982US4325153 Combined screwdriver and boring apparatus
04/01/1982WO1982000967A1 Rotary hand tools
03/1982
03/23/1982US4320544 Combination drill and screwdriver
02/1982
02/17/1982EP0046010A1 Fastener and driver combination
02/17/1982EP0045936A1 Screwdriver
02/09/1982US4314489 Screwdrivers
01/1982
01/27/1982EP0044641A1 Driving device for rotatable fasteners
01/19/1982US4311071 Screw driver and screw head system
01/05/1982US4309123 Method and apparatus for fastening misaligned structural members
12/1981
12/22/1981US4306599 Change-over mechanism for operating screwdriver in automatic or latched state
11/1981
11/17/1981US4300607 Variable length tool handle
11/11/1981EP0039414A1 Slotted screw
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