Patents for B25B 15 - Screwdrivers (5,371)
05/1995
05/17/1995CN2197175Y Screw driver with light and voltage tester
05/17/1995CN2197174Y Sleeve for screw driver
05/10/1995CN2196534Y Multi-function screw driver
05/10/1995CN2196533Y Plate-type screw driver
05/03/1995EP0574517B1 Screw and driver
04/1995
04/26/1995CN2195646Y Screw with vee gutter and matching screw-driver bit
04/25/1995US5408905 Tiltable ball-type driver
04/19/1995CN2194795Y Screwdriver
04/18/1995US5406866 Drive tool for manually turning a rotary load
03/1995
03/22/1995CN2192441Y Ratchet screwdriver with compound function
03/22/1995CN2192440Y Rotation tool with standard footage
03/22/1995CN2192439Y Key screw with three-jaw position
03/21/1995US5399051 Interchangeable head boring or driving apparatus
03/15/1995CN2191750Y 折叠式多用螺丝刀 Folding multi-purpose screwdriver
03/15/1995CN2191749Y Multifunctional screwdriver
03/07/1995US5394984 Holder for hexagonal wrenches
03/07/1995US5394815 Tool
03/02/1995DE4429126A1 Screwdriver
02/1995
02/22/1995CN2190005Y Screw driver
02/21/1995US5390572 Tool with immproved impact and torque capabilities and having ergonomic handle
02/06/1995CA2129371A1 Transparent-sleeve screw holding and driving tool
02/01/1995EP0636799A1 Fastener head with internal recess having a radial slot configuration and installation tool therefor
01/1995
01/17/1995CA2061531C Elliptical lobed drive system
01/12/1995WO1995001243A1 Lightweight self-insulating composite tool
01/12/1995CA2163021A1 Lighweight self-insulating composite tool
01/10/1995US5379873 Ratchet mechanism housing assembly for a ratchet screwdriver
01/05/1995DE4321325A1 Screw-in fastening element
12/1994
12/28/1994EP0630722A1 Tool for fastening/unfastening threaded fasteners
12/28/1994CN2186137Y 组装式螺丝起子 Assembled screwdriver
12/13/1994CA2061648C Screwdriver
12/07/1994CN2184519Y Screwdriver set
12/06/1994US5370021 Polygon headed wrench
11/1994
11/30/1994CN2183855Y Length-adjustable screwdriver
11/30/1994CN2183854Y Multifunctional fast clasp connector
11/29/1994US5367926 Arcuate tip driver
11/24/1994WO1994026472A1 Multiple screwdriver
11/22/1994US5366330 Fastener head with internal recess having a radial slot configuration and installation tool therefor
11/22/1994US5365811 Multipurpose in-line skate tool
11/01/1994US5359911 Lightweight self-insulating composite tool
10/1994
10/11/1994US5353667 Combination tool and fastener
10/05/1994EP0618046A1 Holder for hexagonal wrenches
09/1994
09/28/1994CN2178162Y Portable construction tool collector
09/27/1994US5349886 Hand screw driver
09/20/1994US5347893 Arcuate tip driver
09/18/1994CA2119347A1 Tool bit retaining assembly
09/14/1994CN2176878Y Automatic impacting bottle opener
08/1994
08/30/1994US5341707 Head indicia to indicate tool type
08/18/1994WO1994017961A1 Fastener and driving tool
08/17/1994EP0611018A2 Device for inserting an implant
08/17/1994EP0610693A1 Screw driven bit
08/17/1994EP0610329A1 Circuit for the continuous zoom setting of the image width in a television receiver
08/17/1994CN2174301Y Shank type multi-purpose tool
08/17/1994CN2174299Y Large force moment screw-driver bit
08/09/1994US5335409 Screwdriver including a handle with an O-ring therein for retaining a removable bit and method of assembly therefor
08/03/1994EP0608711A1 Screwdriver blade or bit
08/02/1994USRE34680 Screw tool
07/1994
07/20/1994CN2172184Y Miniature multifunction screwnail turning tool
07/13/1994CN2171454Y Combined screwdriver
07/13/1994CN2171453Y Sawtooth screwdriver
07/07/1994WO1994014576A1 Tool, in particular a screwdriver bit
07/07/1994WO1994014575A1 Tool
07/05/1994US5326068 Screw and nut holder for tool
07/05/1994US5325745 Screwdriver
06/1994
06/23/1994WO1994013436A1 Hand tool for tightening and loosing a screw element
06/23/1994DE4341616A1 Adaptable screwdriver
06/23/1994DE4242680A1 L-shaped Allen key
06/22/1994CN2169522Y Rotary wheel changeable multipurpose screwdriver
06/09/1994DE4241005A1 Screwdriver insert bit with insertable active zone - which is adjacent positively to stem or short intermediate part
06/07/1994US5317940 Screwdriver blade
06/01/1994CN2166921Y Combination type screw driver
05/1994
05/25/1994EP0598561A1 Recessed screw
05/18/1994CN2164957Y Adjusting device for solution mixing in absorber
05/10/1994US5309799 Transparent-sleeve screw holding and driving tool
05/10/1994US5309798 Tool bit retaining assembly
04/1994
04/28/1994WO1994009281A1 Curvilinear drive screwdriver and screw
04/27/1994CN2163031Y Combined pen-like small tool
04/20/1994CN2162329Y Multipurpose screwdriver
04/13/1994CN2161429Y Multi-bit tool screwdriver
04/06/1994CN2160506Y Multifunctional screwdriver
04/06/1994CN1084798A Screw driver
03/1994
03/16/1994EP0586593A1 Compressible screw-type locking mechanism
03/08/1994US5291811 Back-side taper wedging drive system
03/03/1994DE4328595A1 Manual screwdriver with cranked shaft - which can be locked to handle or become freely rotating by switching shaft end between two recesses side-by-side at bottom of handle bore
03/03/1994DE4228940A1 Screwdriver set - has flexible but torsionally stiff shaft with end socket accepting variety of interchangeable driving bits
03/02/1994CN2157858Y 电磁螺丝刀 Electromagnetic screwdriver
03/01/1994US5289743 Two-speed reduction geared screwdriver
02/1994
02/22/1994US5287778 Universal screw driver
02/15/1994US5285543 Combination tool device
02/10/1994DE4226535A1 Method of rotary power transmission - involves using rotary movement according to the law of inclined planes and adopting box spanner and wheel brace principles, being aided by lever
02/08/1994US5284075 Screwing tool, particularly a screwdriver
01/1994
01/26/1994EP0439501B1 Screw-driver blade or screw-driver bit
01/26/1994CN2154150Y Power screwdriver
01/20/1994DE4223074A1 Rotary power transmission mechanism - consists of threaded bolt with lesser pitch coupled to another bolt of higher pitch thread in common sleeve
01/19/1994EP0579220A1 Electrically insulating composite hand tool
01/18/1994US5279190 Elliptical lobed drive system
12/1993
12/19/1993CA2071644A1 Round robbie
12/14/1993US5269209 Curvilinear drive screwdriver and screw
12/01/1993CN2147936Y 螺丝起子 Screwdriver
11/1993
11/18/1993EP0570040A1 Back-side taper wedging drive system
11/17/1993CN2146341Y Two-way reinforcing screwdriver
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