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)
11/1981
11/11/1981EP0039387A1 Screw driver with an exchangeable shank
11/10/1981US4299145 Ratchet wrench
09/1981
09/22/1981US4290328 Ratchet handle
08/1981
08/25/1981US4285375 T-Bar ratcheting screwdriver
08/25/1981US4285255 Safety screwdriver
06/1981
06/02/1981US4270418 Fluted tool
05/1981
05/28/1981WO1981001386A1 Screwdriver allowing to drive screws with a certain angle with respect to the longitudinal axis thereof
05/26/1981US4269246 Fastener and driver assembly
02/1981
02/10/1981US4249617 Portable one-hand operated rotary torque producing tool
01/1981
01/27/1981US4246811 Ball head polygonal wrench
12/1980
12/30/1980US4241773 Combination hand-tool
11/1980
11/25/1980US4235269 Turning tool with tip storage and retractable lever
11/11/1980CA1089261A1 Screwdriver
10/1980
10/15/1980EP0017047A1 Ratchet wrench
10/14/1980US4227430 Hand tool
07/1980
07/15/1980US4212336 Screwdriver
07/09/1980EP0013274A1 Mechanical connectors and fixing tool therefor
06/1980
06/10/1980US4206794 Ratchet driver
05/1980
05/27/1980CA1078229A1 Screwdriver and screw for use therewith
02/1980
02/26/1980US4190091 Screw, screwdriver and screw-holding attachment therefor
02/12/1980US4187892 Recessed screw heads and drivers
01/1980
01/15/1980CA1069737A2 Screw driver
11/1979
11/20/1979CA1066542A1 Lobular socket head fastener with service slot
10/1979
10/02/1979US4169395 Screw removing tool
09/1979
09/05/1979EP0003896A1 Spiral ratchet screwdriver with latch
08/1979
08/28/1979US4165772 Device for driving screws, rivets and the like
06/1979
06/19/1979US4158375 Screwdriver
06/12/1979US4157836 Keys for manually operated work-holding chucks
06/12/1979CA1056184A1 Threaded fastener
05/1979
05/01/1979US4151621 Tools for punching fastener heads
04/1979
04/17/1979US4149434 Screw and screwdriver therefor
04/10/1979US4148126 Tool and method for assembling threaded burster retainer in a projectile
03/1979
03/27/1979US4146073 Driver for high torque fastener
03/13/1979US4143693 Hand tool with positive-driver but freely-reversible handle
01/1979
01/02/1979CA1045424A1 Slide mechanism for expandable bit screw holding screwdriver
12/1978
12/19/1978US4130152 Slot-head fastener and driver therefor
11/1978
11/28/1978CA1043136A1 Combination tool
10/1978
10/31/1978CA1041328A1 Plastic header fastener assembly
08/1978
08/29/1978US4109691 Combination torque release screw and screw driver
08/15/1978US4106373 Bit driving tool for use in barriers separating different environments
08/08/1978US4105056 Nonslip screw driver
07/1978
07/25/1978US4102375 Variable-length tool holder
06/1978
06/27/1978US4097561 Idle mixture adjusting device of carburetor
06/27/1978US4096896 Composite tool structure
06/13/1978US4094350 Screw driver
06/06/1978US4093008 Screw driver having capped handle with rotable cap
06/06/1978US4092753 Combination drill and screwdriver
05/1978
05/30/1978US4091708 Screw
05/16/1978US4089357 Threaded fastener
05/02/1978US4086831 Ratchet driver
04/1978
04/18/1978US4084478 Screw heads
04/18/1978US4084454 Socket head tool
03/1978
03/21/1978US4079643 Wrench and ratcheting bolt
02/1978
02/14/1978US4073210 Screw
11/1977
11/29/1977US4060114 Tightening device for threaded screw part
11/29/1977US4060113 Tightening device for threaded screw part
11/01/1977US4056020 Hand-grippable driver-fastener tool
10/1977
10/18/1977US4054067 Compact screwdriver bit
08/1977
08/16/1977US4041834 Plastic headed fastener assembly
08/02/1977US4039013 Hand tool with helical drive
08/02/1977US4038757 External adjustment knob for telescopic sights
07/1977
07/26/1977US4037514 High torque fastener head
07/05/1977US4033244 Screw and screw driver
05/1977
05/31/1977US4026338 Retractor for one-way screw
04/1977
04/12/1977US4016912 Screwdriver for slotted head screw
04/12/1977US4016614 Combined reamer and screwdriver
02/1977
02/15/1977US4007768 Tightening device for threaded screw part
10/1976
10/12/1976US3985170 Screwdriver
06/1976
06/29/1976US3965510 Combination drilling and wrenching tool
05/1976
05/18/1976US3957096 Combination hand tool
02/1976
02/03/1976US3935762 Tool assembly for mounting bits
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