| Patents for B25B 15 - Screwdrivers (5,371) |
|---|
| 11/09/1993 | US5259281 Combination hand tool |
| 11/09/1993 | US5259280 Tool with torque-transmitting working surfaces and method for the manufacture thereof |
| 11/09/1993 | US5259279 Slot screwdriver |
| 11/09/1993 | US5259277 Electrically insulating composite hand tool |
| 11/02/1993 | US5257557 Driven tool locking mechanism |
| 10/27/1993 | CN1077675A Multifunctional combined screwdriver |
| 10/12/1993 | US5251521 TORX-compatible elliptical driver |
| 10/12/1993 | US5251353 Multipurpose plier |
| 09/29/1993 | EP0563005A1 Driven tool lock mechanism |
| 09/29/1993 | CN2142774Y Screwdriver with grabhook |
| 09/27/1993 | CA2089688A1 Driven tool lock mechanism |
| 09/22/1993 | CN2142386Y Multipurpose tool set |
| 09/21/1993 | CA2015056C Gripping screw drive bit |
| 09/17/1993 | CA2091603A1 Multiple bit screwdriver |
| 09/17/1993 | CA2077045A1 Multiple bit screwdriver |
| 08/26/1993 | DE4235665A1 Screwdriver with multi-bit selector mechanism plus - has hollow front section storing several bits with thumb knobs that can be pushed forward to select bit and seat it in central hexagonal socket |
| 08/25/1993 | CN2140812Y Multi-functional screwdriver |
| 08/24/1993 | US5237893 Driver with fastener retention means |
| 08/18/1993 | CN2140290Y 螺丝刀 Screwdriver |
| 08/18/1993 | CN2140289Y Speed variable assembled spiral tool |
| 08/17/1993 | US5236289 Shielded universal joint, jointed tool and guided surgical drill |
| 08/11/1993 | EP0462190B1 Hand held multiple object implement |
| 07/21/1993 | EP0551930A2 Screwdriver bit for phillips-head fasteners |
| 07/21/1993 | CN2138548Y Folding portable dual purpose screw driver |
| 07/20/1993 | US5228363 Hand-held multiple object implement |
| 07/06/1993 | US5224402 Screw and screwdriver therefor |
| 06/15/1993 | US5219253 Recessed screw and a driver bit engageable therewith |
| 06/08/1993 | US5217462 Screw and driver |
| 06/01/1993 | US5214987 Screw fastener and driving tool |
| 05/25/1993 | US5213017 Neutrally mounted same vibration frequency impact tool |
| 05/25/1993 | US5213015 Variable nut driver |
| 05/18/1993 | US5211086 Tool with sliding sleeve for ratchet direction control |
| 05/18/1993 | US5210895 Combined screwdriver and file |
| 05/13/1993 | WO1993009633A1 Circuit for the continuous zoom setting of the image width in a television receiver |
| 05/12/1993 | CN2132452Y Multifunction key ring with self-lock hinge |
| 05/06/1993 | DE4136178A1 Schaltung zur kontinuierlichen zoom-einstellung der bildbreite in einem fernsehempfaenger Circuit for continuous-zoom setting of the image in a wide fernsehempfaenger |
| 05/04/1993 | US5207132 Elliptical lobed drive system |
| 04/28/1993 | CN1071494A Elliptical lobed drive system |
| 04/27/1993 | US5205006 Electrician tool |
| 04/27/1993 | CA1316723C Screw tool |
| 04/21/1993 | EP0537807A1 Fastener with multilobular internal recess and tool entry ramps |
| 04/06/1993 | US5199336 Turn-counting setting screwdriver |
| 03/28/1993 | CA2052406A1 Screw driver |
| 03/18/1993 | DE4131110A1 Short-threaded screw fastener for wood and composite material - has threaded lower end of shaft with double grip profile in head for securing tool |
| 03/17/1993 | CN2128320Y Screw and screw driver matching with it |
| 03/17/1993 | CN1020078C Portable screw driver having flexible extension shaft |
| 03/03/1993 | CN2127650Y 螺丝刀 Screwdriver |
| 02/24/1993 | CN2127339Y Anti-slide screwdriver |
| 02/18/1993 | DE4127176A1 Hollow magnetic screwdriver with tool magazine in shaft - has shaft made from hollow hexagonal tube designed to hold series of screwdriver bits inserted one behind other into handle |
| 02/02/1993 | US5183358 Expandable fixture pin for machine tools |
| 01/27/1993 | EP0524617A1 Screw head driving geometry |
| 01/21/1993 | DE4123445A1 Tool for unscrewing damaged socket head screws - has sharp edged hexagonal end which is driven into socket head and allows screw to be turned with spanner |
| 01/19/1993 | US5179748 Key ring and screwdriver device |
| 01/07/1993 | EP0521256A2 Tool with torque transmitting surface and procedure for the production thereof |
| 12/22/1992 | US5172615 Internal wrench |
| 12/16/1992 | CN2124800U Single-hand operating screw-driver bit with clamp device |
| 12/15/1992 | US5171117 Fastener with multilobular internal recess and tool entry ramps |
| 12/10/1992 | WO1992021888A1 Compressible screw-type locking mechanism |
| 12/09/1992 | CN2124109U Multifunctional large torque screwdriver |
| 12/08/1992 | US5169270 Compressible screw-type locking mechanism |
| 11/26/1992 | WO1992020494A1 Hand tool to tighten and to loose a screwed organ |
| 11/24/1992 | CA1310521C Pocket screwdriver |
| 11/11/1992 | EP0512273A1 Slot screwdriver |
| 11/11/1992 | EP0512248A1 Screwing tool, especially screw driver |
| 11/11/1992 | CN2121305U Multi-functional combined screwdriver |
| 09/22/1992 | US5150261 Combined screwdriver and magnifying glass |
| 09/06/1992 | WO1992015257A1 Screw and driver |
| 09/02/1992 | CN2114538U Dual-purpose screw driver |
| 09/01/1992 | US5142953 Ratchet screw driver |
| 08/25/1992 | US5140877 Hexagonal wrench |
| 08/25/1992 | CA1306627C Portable screw driver having flexible extension shaft |
| 08/19/1992 | CN2113129U Screwdriver |
| 08/18/1992 | US5138914 Scroll saw wrench |
| 08/12/1992 | CN2112481U Screw driving device |
| 08/11/1992 | US5136900 Fused hand tool |
| 08/05/1992 | CN2111816U Screwdriver with sleeve clamp |
| 08/02/1992 | CA2035552A1 Flash light screwdriver |
| 07/01/1992 | CN2108606U Multifunctional screwdriver |
| 06/17/1992 | EP0490858A1 Revolution-counting adjusting screwdriver |
| 06/10/1992 | CN1061839A Recessed screw and driver bit engageable therewith |
| 06/03/1992 | EP0488541A1 A recessed screw and a driver bit engageable therewith |
| 06/03/1992 | CN2106042U Ratchet operated screwdriver |
| 05/27/1992 | CA2054866A1 Recessed screw and a driver bit engageable therewith |
| 05/26/1992 | CA1301493C Ratchet screwdriver |
| 05/21/1992 | DE4036267A1 Buttonhole screw with screw driver - has two or more holes punched out of side and has self cutting pins |
| 05/13/1992 | EP0484431A1 Color coding system |
| 05/07/1992 | DE4035060A1 Screwdriver - has projected pin in centre of its blade edge to prevent slipping out of screw head slot |
| 05/06/1992 | CN2103406U Straight-line operation screwdriver |
| 04/29/1992 | EP0482070A1 Chemical composition, and methods of constructing and utilizing same |
| 04/22/1992 | CN2102186U Paw wheel screwdriver body |
| 04/21/1992 | US5105690 Manipulator-driver for holding and driving a screw-type article |
| 04/21/1992 | CA1298978C Method of applying non-slip coating to tools and resulting product |
| 04/15/1992 | EP0338030B1 Apparatus for maintenance of ball valve |
| 03/26/1992 | DE4029734A1 Non-slip coating of screwdriver bits - is applied by electrical arc discharge from tungsten carbide electrode |
| 03/25/1992 | CN2099643U Portable screwdriver with movable handle |
| 03/18/1992 | CN2098994U Quick multi-purpose screwdriver |
| 03/11/1992 | EP0474614A2 Screw and screwdriver therefor |
| 03/04/1992 | CN2097719U Multi-functional screwdriver |
| 02/26/1992 | CN2097070U Rotation positioning type ratchet screwdriver |
| 02/26/1992 | CN2097069U Quick rotation screwdriver |