| 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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| 12/22/1993 | CN2150379Y Effort-saving wood screw with pointed end |
| 12/15/1993 | CN2149505Y Self-threading screw |
| 12/14/1993 | US5269685 Anchoring member |
| 12/07/1993 | US5267423 Self-drilling anchor and bearing plate assembly |
| 11/25/1993 | WO1993023680A1 Screw |
| 11/25/1993 | WO1993023679A1 Self-boring and self-cutting screw |
| 11/24/1993 | EP0558653A4 Bone screw with improved threads |
| 11/24/1993 | EP0558646A4 Self-sealing threaded fastener and process for making the same |
| 11/18/1993 | DE4216198A1 Selbstbohrende und -gewindeschneidende Schraube Self-drilling and screw -gewindeschneidende |
| 11/18/1993 | DE4216197A1 Schraube Screw |
| 11/09/1993 | US5260100 Coating screws wtih sealant |
| 11/09/1993 | US5259713 Blind rivet nut with pulling mandrel |
| 10/06/1993 | CN1077005A Improved concrete fastener |
| 10/05/1993 | US5249882 Self-tapping screw |
| 09/23/1993 | DE4206884A1 Thread-tapping screw for plastics, soft metals etc. - has thread flanks bent down divergingly from bending point dia. to the thread base. |
| 09/22/1993 | EP0560789A1 Improved fixing. |
| 09/22/1993 | CN2142508Y Quick tapping screw |
| 09/14/1993 | US5244327 Trailer bed fastener |
| 09/08/1993 | EP0559381A1 Concrete fastener |
| 09/08/1993 | EP0558653A1 Bone screw with improved threads |
| 09/08/1993 | EP0558646A1 Self-sealing threaded fastener and process for making the same. |
| 09/01/1993 | EP0557292A1 Device for attaching an object to a lightweight-construction wall. |
| 08/26/1993 | DE4203949A1 Selbstbohrender befestiger A self Fastener |
| 08/19/1993 | WO1993016292A1 Self-boring fastener |
| 08/10/1993 | US5234301 Hole forming and selftapping screw |
| 08/10/1993 | US5234300 Fastening means |
| 08/10/1993 | US5234299 Self-drilling anchor |
| 08/04/1993 | WO1993015327A1 Self drilling screw |
| 08/04/1993 | EP0553907A1 Thread forming screw and method of forming an internal thread in a low ductility material |
| 08/04/1993 | CA2107588A1 Self drilling screw |
| 07/13/1993 | US5226766 Bone screw with improved threads |
| 06/23/1993 | CN2136897Y Wooden screw with righting rod |
| 06/09/1993 | EP0544868A1 Fastening element. |
| 06/09/1993 | EP0464071B1 Self-tapping drill screw |
| 06/02/1993 | EP0544613A1 Self-threading screw |
| 05/25/1993 | US5213459 Self-drilling connecting unit |
| 05/19/1993 | EP0541803A1 Screw and thread rolling die |
| 05/18/1993 | US5211520 Self-threading fastener |
| 04/28/1993 | EP0539139A1 Anchor |
| 04/27/1993 | US5205694 Self-tapping screw |
| 04/27/1993 | US5205466 Carburizing, heat treatment; welding to round rod with non-threaded bolt |
| 04/21/1993 | CN1071207A Hard austenitic stainless steel screw and process for preparing same |
| 04/20/1993 | US5203657 Self-tapping screw |
| 04/07/1993 | EP0535193A1 Method of manufacturing an unthreaded cylindrical shaft section on a fastener bolt or fastener element, and a drop-forging unit for carrying out the method. |
| 04/06/1993 | US5199839 Fastener screw having improved installation and self-locking characteristics |
| 03/24/1993 | EP0532990A2 Self-tapping screw, method of its manufacture and rolling dies for carrying out the method |
| 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 |
| 03/16/1993 | US5193958 Coating of screws |
| 03/11/1993 | DE4130020A1 Spiral frame fixing using minimum effort - is knocked in with spiral projections engaging without turning |
| 03/03/1993 | EP0530160A1 Anchoring member |
| 03/03/1993 | EP0529173A1 Self-tapping anti-rotation insert |
| 03/02/1993 | US5190426 Concrete fastener |
| 03/02/1993 | US5190425 Anchor |
| 02/24/1993 | EP0528450A2 Composite structure having a support structure with wooden beams or supports and a concrete slab cast on the spot |
| 02/24/1993 | EP0527999A1 Screw for shallow blind holes. |
| 02/23/1993 | US5188496 Self-tapping screw-type masonry anchor |
| 02/16/1993 | US5186688 Cold working, passivation, aging |
| 02/09/1993 | US5184862 Carrier device |
| 01/19/1993 | CA1312752C Threaded fastener |
| 01/07/1993 | WO1993000518A1 Fastening element |
| 12/29/1992 | CA1311949C Screw/cap assemblies and their manufacture |
| 12/15/1992 | US5171186 Method of manufacture of a long point drill screw |
| 12/15/1992 | CA1311380C Fastening element with guide member |
| 12/09/1992 | EP0517671A1 Fastening device |
| 12/02/1992 | EP0516431A1 Drilling screw |
| 12/02/1992 | EP0516430A1 Drilling screw |
| 12/02/1992 | EP0516429A1 Drilling screw |
| 11/25/1992 | EP0514916A1 Screw for fastening of gypsum plaster boards |
| 11/17/1992 | US5163343 System for fastening plies of fabric |
| 11/17/1992 | CA1310209C Strapped fastener assemblage |
| 11/12/1992 | WO1992019876A1 Fixing element for plaster-board walls |
| 10/29/1992 | WO1992018266A1 Method of manufacturing an unthreaded cylindrical shaft section on a fastener bolt or fastener element, and a drop-forging unit for carrying out the method |
| 10/21/1992 | EP0509173A1 Tapping screw |
| 10/08/1992 | DE4205059A1 Self-tapping screw with two=stage cutting edge - has end of shank formed as drill bit with stepped cutting edges |
| 10/07/1992 | EP0507474A1 method of manufacture of a long point drill screw |
| 10/01/1992 | WO1992016760A1 Screw for shallow blind holes |
| 10/01/1992 | DE4206440A1 Self tapping screw with single or multiple pitched thread - has spaced apart steps along thread edge, extending to tip |
| 09/23/1992 | EP0504782A1 Screw, method and rolling die for manufacturing the same |
| 09/23/1992 | CN2116801U Strong wood screw |
| 09/22/1992 | CA1307683C Thread forming nut with locking portion |
| 09/03/1992 | WO1992014935A1 A fastener anchor |
| 09/02/1992 | EP0501860A1 Screw, in particular screw with hollow shaft of the screwplug type for soft material |
| 09/02/1992 | EP0501519A1 Self tapping screw |
| 08/25/1992 | US5141376 Self drilling screw |
| 08/25/1992 | US5141375 Self-sealing threaded fastener |
| 08/06/1992 | WO1992009816A3 Self-sealing threaded fastener and process for making the same |
| 07/28/1992 | US5133630 Fastener for thermoplastics |
| 07/15/1992 | EP0494747A1 Blind rivet nut with pulling mandrel |
| 07/15/1992 | EP0494651A1 Screw |
| 07/12/1992 | CA2059087A1 Blind rivet nut with pulling mandrel |
| 07/09/1992 | WO1992011467A1 Untightening preventive screw |
| 06/25/1992 | WO1992010688A1 Improved fixing |
| 06/25/1992 | DE4041765A1 Threaded dowel with cylindrical externally threaded casing - has hollow cylindrical or conical body with cylindrical interior, and has hexagonal head |
| 06/16/1992 | US5122021 Encapsulated fastener and washer |
| 06/16/1992 | US5122019 Wall covering installation system |
| 06/14/1992 | WO1992010687A1 Method and device for attaching an object to a lightweight-construction wall |
| 06/09/1992 | US5120172 Tapping screw |
| 06/09/1992 | US5120171 Bone screw with improved threads |
| 06/04/1992 | DE4039831C1 Object fastener to lightweight wall - has tool stem on setting tool as flat rod, whose drill tip is movable through insert inner cavity |
| 05/31/1992 | WO1992009816A2 Self-sealing threaded fastener and process for making the same |