| Patents for F16B 25 - Screws that form threads in the body into which they are screwed, e.g. wood screws, self-tapping screws (3,519) |
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| 04/15/1998 | EP0835389A1 Lamina-shaped borepiece for self-boring fastening elements |
| 03/26/1998 | DE19637969A1 Thin sheet tapping screw having tool end and conical tip |
| 03/25/1998 | EP0831239A1 Cutting screw |
| 03/19/1998 | WO1998011354A1 Threaded fastener system |
| 03/18/1998 | CN1176682A 螺钉 Screws |
| 03/17/1998 | US5728116 Spiral surgical tack |
| 03/12/1998 | DE19636653A1 Screw fastens two flat panels together in building |
| 03/04/1998 | CN1174944A Screw with drill |
| 03/03/1998 | US5722808 Threaded fastener system |
| 02/18/1998 | EP0824198A1 Screw having a self drilling point |
| 02/14/1998 | CA2183211A1 Screw |
| 02/11/1998 | EP0793781A4 Anchor insert improvement |
| 02/05/1998 | WO1998004842A1 Self-cutting screw, in particular concrete screw |
| 01/29/1998 | WO1998003799A1 Combined screw and clearance drill |
| 01/28/1998 | CN2273356Y Special sleeve for self-drilling screw |
| 01/22/1998 | DE19652318C1 Fastener for joining panels |
| 01/15/1998 | DE19639135C1 Self-tapping screw |
| 01/14/1998 | CN1170454A Hole-shaping and thread-forming screw and process for driving in the same |
| 01/13/1998 | US5707190 Blind bolt assembly |
| 12/03/1997 | EP0810376A1 Adjusting screw for assembly |
| 12/03/1997 | CN2269490Y Screw for fixing metal plate on wood plate |
| 11/27/1997 | WO1997044590A1 Improved relief screw |
| 11/27/1997 | CA2258315A1 Improved relief screw |
| 11/18/1997 | US5688090 Screw assembly |
| 11/05/1997 | EP0804690A1 A screw |
| 10/23/1997 | WO1997039248A1 Screw for securing metal and/or plastic sections or plates on a substructure |
| 10/23/1997 | DE19615191A1 Schraube zur Befestigung von Metall- und/oder Kunststoffprofilen oder -platten auf einem Unterbau Screw for fastening metal and / or plastic sections or plates to a substructure |
| 10/23/1997 | CA2251533A1 Screw for fastening metal and/or plastic sections or plates on a substructure |
| 10/08/1997 | EP0799387A1 Hole-shaping and thread-forming screw and process for driving in the same |
| 10/08/1997 | EP0799386A1 Hole-shaping and thread-forming screw and process for driving in the same |
| 10/07/1997 | US5674035 For direct screwing into concrete |
| 09/16/1997 | US5667348 Screw for fibrous boards |
| 09/10/1997 | EP0793781A1 Anchor insert improvement |
| 08/20/1997 | EP0790038A1 Cutting tip |
| 07/24/1997 | WO1997026460A1 Distance screw |
| 07/02/1997 | EP0781382A1 Countersunk head screw |
| 07/01/1997 | US5643269 Externally threaded bodies for use as taps or screws |
| 06/26/1997 | WO1997022811A1 Threaded fastener |
| 06/26/1997 | CA2239473A1 Threaded fastener |
| 05/28/1997 | EP0666965B1 Connection between two or more profiled elements or between mounting units and one or more profiled elements |
| 05/15/1997 | DE19541839A1 Self-tapping screw for use in chipboard |
| 05/06/1997 | US5625994 Self-drilling anchor |
| 04/24/1997 | DE19642914A1 Screw-fastening plug, especially to put in material with weak regions |
| 04/22/1997 | US5622464 Screw with increased driving resistance at proper depth |
| 04/03/1997 | WO1997012152A1 Fastener |
| 03/19/1997 | EP0560789B1 Improved fixing |
| 03/13/1997 | DE19632468A1 Screw arrangement with screw fixture part |
| 03/12/1997 | EP0761992A1 Self-tapping fastening element |
| 03/05/1997 | EP0760431A1 Sealing fastener |
| 03/05/1997 | EP0697071B1 Thread-forming screw |
| 03/05/1997 | CN1144555A Drill, especially drilling screw |
| 02/25/1997 | US5605423 Self-drilling stud |
| 02/19/1997 | CN2247739Y Combined wood screw |
| 02/19/1997 | CN1143406A Lamina-shaped borepiece for self-boring fastening elements |
| 02/11/1997 | US5601553 Locking plate and bone screw |
| 02/04/1997 | US5599149 Self-tapping floor screw |
| 01/28/1997 | US5597357 Self-drilling screw |
| 01/22/1997 | CN2245689Y Multifunction screw |
| 01/08/1997 | EP0752068A1 Drill, especially drilling screw |
| 12/25/1996 | CN1138892A Self-boring, thread-milling screw with a flow forming |
| 12/11/1996 | EP0746253A1 Tapered bone screw with continuously varying pitch |
| 12/05/1996 | WO1996038676A1 Countersunk head screw |
| 12/04/1996 | EP0745193A1 Self-cutting screw |
| 11/20/1996 | EP0743462A1 Anchor |
| 11/06/1996 | CN2239520Y Structure having self-boring preset holes |
| 11/05/1996 | US5570983 Reduced-friction screw |
| 10/30/1996 | EP0739454A1 Self-boring, thread-milling screw with a flow forming |
| 10/29/1996 | US5569009 Loosening prevention screw |
| 10/10/1996 | DE19611678A1 Screw for chipboard panels, with single or multi-hand thread |
| 10/08/1996 | US5562672 Tapered bone screw with continuously varying pitch |
| 09/24/1996 | US5558479 Wall anchor accommodating fasteners of varying thread diameters |
| 09/11/1996 | EP0579816B1 Self drilling screw |
| 09/03/1996 | US5551818 Self-drilling fastener |
| 08/29/1996 | DE19506081A1 Fixture with head with adjacent thread, or shaft and thread |
| 07/30/1996 | US5540531 Panel fastener |
| 07/30/1996 | CA2109909C Self centering electrode joint |
| 07/25/1996 | WO1996022472A1 A screw |
| 07/04/1996 | DE4445815A1 Loch- und gewindeformende Schraube sowie Verfahren zum Eindrehen derselben Hole and thread-forming screw and method for screwing the same |
| 07/03/1996 | EP0746253A4 Tapered bone screw with continuously varying pitch |
| 07/02/1996 | US5531553 Masonry fixing |
| 06/27/1996 | WO1996019676A1 Hole-shaping and thread-forming screw and process for driving in the same |
| 06/27/1996 | WO1996019675A1 Hole-shaping and thread-forming screw and process for driving in the same |
| 06/27/1996 | CA2208703A1 Hole-shaping and thread-forming screw and process for driving in the same |
| 06/18/1996 | CA2051848C Tapping screw |
| 05/30/1996 | WO1996016274A1 Self-cutting screw |
| 05/30/1996 | WO1996016273A1 Anchor insert improvement |
| 05/30/1996 | DE4441716A1 Selbstfurchende Schraube Self-tapping screw |
| 05/29/1996 | EP0489795B1 Non-seating plate/fastener assembly |
| 05/28/1996 | US5520491 Drill screw |
| 05/23/1996 | WO1996015378A1 Self-boring, thread-milling screw with a flow forming |
| 05/22/1996 | EP0713017A2 Self-tapping screw |
| 05/21/1996 | US5518352 Relief screw |
| 05/21/1996 | US5518351 Self-tapping screw having threaded nut as a head |
| 05/14/1996 | US5516248 Low torque wood screw |
| 05/07/1996 | CA2088729C Concrete fastener |
| 04/10/1996 | EP0705987A1 Self-cutting drilled screw head |
| 04/10/1996 | EP0705572A2 Locking plate and bone screw |
| 04/03/1996 | EP0704634A1 Reduced friction screw |
| 03/28/1996 | CA2158190A1 Reduced friction screw |
| 03/19/1996 | US5499896 Combined drill screw with reamer |