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