| 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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| 10/05/1983 | EP0090069A1 Panel and apparatus for its manufacture |
| 10/04/1983 | US4407620 Drill screw |
| 09/29/1983 | WO1983003187A1 An arrangement for detachably securing the side-pieces and shelves in shelving structures made of wood |
| 09/28/1983 | EP0089934A2 A combination of a shelving structure and fasteners, the shelving structure being made of wood or the like |
| 09/14/1983 | EP0088366A1 Self-tapping screw |
| 09/13/1983 | US4403895 Vehicle floor mat retainer |
| 09/13/1983 | CA1153591A1 Plastic-headed fastener assembly |
| 08/31/1983 | EP0086852A1 Screw |
| 07/26/1983 | US4395173 Drill screw with protective burrs |
| 05/03/1983 | CA1145600A1 Chip breaker screws |
| 03/15/1983 | CA1142780A1 Fastener having a sealing chip skirt |
| 03/01/1983 | CA1142000A1 Self-drilling, self-tapping fastener |
| 02/15/1983 | US4373842 Plastic-headed fastener assembly |
| 12/28/1982 | US4365958 Combined dental drill and anchor pin |
| 10/12/1982 | US4353233 Dies for making thread-forming fasteners |
| 09/22/1982 | EP0060441A1 Connection device for a pair of wood panels, chip boards or the like, one being perpendicular to the other |
| 08/31/1982 | US4347027 Drill screw |
| 08/25/1982 | EP0058252A1 Fastener for a vehicle floor mat |
| 08/11/1982 | EP0057223A1 Tube screws and methods of penetrating materials using tube screws |
| 07/13/1982 | US4339218 Self-locking fastener |
| 06/22/1982 | CA1126063A1 Thread tapping form |
| 06/15/1982 | US4334814 Self-tapping screw for use in plastics |
| 06/08/1982 | CA1124964A2 Dies for making thread-forming screw with step taper |
| 05/11/1982 | US4329099 Self-drilling and self-extruding fastener |
| 04/07/1982 | EP0049218A2 Self boring screw |
| 04/06/1982 | US4323326 Self-drilling screw |
| 03/30/1982 | CA1120755A1 Fastener unit for clamping plastic workpieces |
| 02/18/1982 | WO1982000505A1 Tube screws and methods of penetrating materials using tube screws |
| 02/16/1982 | US4315340 Method and apparatus for making a self-thread creating fastener |
| 01/26/1982 | US4312616 Chip catching washers |
| 01/19/1982 | US4311423 Hole-drilling, extruding and thread-forming sheet screw |
| 01/12/1982 | US4310272 Threaded fastener and structural joint attained therewith |
| 01/12/1982 | CA1115998A1 Chip catching washers |
| 12/01/1981 | CA1113289A1 Self-tapping screw |
| 10/27/1981 | CA1111293A1 Stainless steel drill screw and method of making |
| 10/20/1981 | US4295768 Chip breaker screws |
| 10/13/1981 | CA1110475A2 Blank for the manufacture of extruding and tapping screw |
| 10/13/1981 | CA1110474A1 Thread forming screw with step taper and dies for making the same |
| 10/13/1981 | CA1110473A1 Extruding and tapping screw |
| 10/06/1981 | CA1110092A1 Entering end portion of drill screw |
| 08/26/1981 | EP0034545A2 Device for connecting covering panels during the construction of concrete walls, and hand tool for putting this device into use |
| 07/21/1981 | CA1105299A1 Insulation fastener system |
| 05/26/1981 | US4269902 Extruding and tapping screw and blank for manufacture of such screw |
| 04/07/1981 | US4259889 Thread tapping form |
| 03/31/1981 | US4258607 Vibration resistant screw |
| 03/24/1981 | US4257307 Hole-drilling self-tapping screw |
| 03/17/1981 | US4255959 Dies for making thread-forming screw with step taper |
| 03/11/1981 | EP0024528A2 Thread tapping form |
| 03/10/1981 | CA1097106A1 Screw |
| 02/25/1981 | EP0024118A1 Self-drilling and self-threading screws |
| 02/24/1981 | CA1096209A1 Drilling and tapping screw |
| 02/17/1981 | US4250674 Panels for cladding floors, walls and ceilings of rooms |
| 02/04/1981 | EP0023259A1 Thread cutting screw |
| 12/30/1980 | US4241639 Method and apparatus for producing drill screws |
| 12/30/1980 | US4241638 Self-extruding fastener |
| 12/23/1980 | CA1091965A2 Self-tapping screws |
| 12/09/1980 | US4238165 Fastener unit for clamping plastic workpieces |
| 11/25/1980 | US4235149 Self-thread creating fastener and method and apparatus for making the same |
| 11/18/1980 | US4233880 Corrosion resistance |
| 10/01/1980 | EP0016206A1 Self-thread creating fastener and method and apparatus for making the same |
| 09/16/1980 | US4222689 Drilling and tapping screw |
| 07/22/1980 | CA1082010A1 Drill screw and methods and apparatus for manufacturing same |
| 06/25/1980 | EP0012441A1 Self-tapping drill-screw |
| 05/27/1980 | CA1078127A1 Panels for cladding floors, walls and ceilings of rooms |
| 03/25/1980 | US4194430 Thread-forming screw with step taper |
| 03/20/1980 | WO1980000425A1 Self-thread creating fastener and method and apparatus for making the same |
| 03/11/1980 | US4192217 Self-drilling screw |
| 02/20/1980 | EP0008134A1 Chip catching washers |
| 02/05/1980 | CA1070994A1 Drill screw and die for producing same |
| 12/25/1979 | US4179976 Extruding and tapping screw and blank for manufacture of such screw |
| 10/17/1979 | EP0004541A1 Screw, especially thread forming screw and screw forming thread roll for this screw |
| 10/09/1979 | CA1063846A1 Self-extruding fastener |
| 10/02/1979 | CA1063397A2 Self-drilling screw |
| 07/17/1979 | US4161132 Self-tapping screw |
| 06/12/1979 | US4157674 Collar stud for use in plastic |
| 05/15/1979 | CA1054412A1 Thread-forming fastener having dual lobulation and dies for making the same |
| 05/15/1979 | CA1054409A1 Threaded fastener with plastic head |
| 04/24/1979 | CA1053040A1 Thread-forming sheet screw |
| 04/17/1979 | CA1052603A1 Tapered lag screw or bolt |
| 04/03/1979 | US4147088 Drill screw |
| 03/20/1979 | US4144795 Long-pitch re-rolled crest thread |
| 01/30/1979 | US4136597 Drill screw and die for producing same |
| 11/14/1978 | US4125050 Self-drilling screw |
| 11/14/1978 | CA1042243A1 Drill screw |
| 10/31/1978 | CA1041328A1 Plastic header fastener assembly |
| 10/31/1978 | CA1041327A1 Self-drilling and tapping masonry anchor |
| 10/24/1978 | CA1040896A1 Drill screw |
| 09/19/1978 | US4114508 Self-drilling screw |
| 09/19/1978 | US4114507 Drill screw |
| 08/22/1978 | CA1036851A1 Composite drill screw |
| 06/27/1978 | US4097061 Ski insert for anchoring a ski binding screw in a ski |
| 01/24/1978 | US4069730 Thread-forming screw |
| 01/17/1978 | US4068554 Sheet screw |
| 12/27/1977 | US4064784 Drill tip and threaded fastener |
| 09/06/1977 | US4046051 Thread forming screw |
| 08/16/1977 | US4042342 Blanks for making self-thread forming threaded fasteners |
| 08/16/1977 | US4041834 Plastic headed fastener assembly |
| 08/09/1977 | US4040328 Thread-forming fastener having dual lobulation and dies for making the same |
| 07/12/1977 | US4034641 Self-drilling and tapping masonry anchor |
| 06/14/1977 | US4028987 Self-drilling screws |