| Patents for F16B 23 - Specially-shaped heads of bolts or screws for rotations by a tool (3,038) |
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| 04/16/1998 | DE19731321A1 Safety screw |
| 04/15/1998 | CN1179200A Releasable coupling and tool therefor |
| 04/08/1998 | EP0833674A1 Medical device clamp |
| 03/31/1998 | US5733083 Adhesive insert anchor |
| 03/25/1998 | EP0637944B1 Absorbable bone screw and tool for its insertion |
| 03/25/1998 | CN1037871C Screw head with slant rib and punch for making such screw heads |
| 03/24/1998 | US5730567 Anti-tamper fastener |
| 03/18/1998 | CN1176682A 螺钉 Screws |
| 03/03/1998 | US5722838 Fastener system and method of manufacture thereof |
| 02/26/1998 | WO1998007995A1 Force application element for the transmission of a torque |
| 02/18/1998 | EP0824173A1 Fastening element and its use for connecting a ridge batten and fastening bolt therefore |
| 01/21/1998 | EP0765265B1 Locking device for bicycles |
| 12/16/1997 | US5697746 Screw-nut fastener assembly |
| 12/16/1997 | US5697743 Tamper proof threaded fastener |
| 12/09/1997 | US5695497 Screw made of biodegradable material for bone surgery purposes, and screwdriver suitable therefor |
| 12/03/1997 | EP0809760A1 Releasable coupling and tool therefor |
| 12/02/1997 | US5692419 Deformable locking fastener system and method of use |
| 11/06/1997 | DE19653511A1 Connecting element |
| 11/05/1997 | EP0804690A1 A screw |
| 10/30/1997 | DE19712252A1 Secure locking crosshead screw |
| 10/30/1997 | DE19708948A1 Security fastener for motor vehicle wheel |
| 10/28/1997 | US5681135 Threaded fastener with multi-stage torque limiting applicator |
| 10/23/1997 | WO1997039247A1 Medical device clamp |
| 10/16/1997 | WO1997037605A1 Cap for locking a member into a groove |
| 10/16/1997 | DE19613462A1 Shaft and boss joint between screw and screwdriver head |
| 10/15/1997 | EP0801235A1 Cap for a nut and tool for its manipulation |
| 10/07/1997 | US5674037 Screw having an improved head structure |
| 10/07/1997 | US5674036 Screw |
| 09/30/1997 | US5671942 Front jaw for a ski binding |
| 09/24/1997 | EP0797011A1 Clamping bolt |
| 08/14/1997 | DE19603410A1 Schraube zum Einsetzen in einen Knochen sowie Ausdrehwerkzeug dafür Screw to be inserted into a bone and boring tool for |
| 08/07/1997 | WO1997027812A1 Screw for insertion into a bone and tool for removing this screw |
| 08/07/1997 | CA2244217A1 Screw for insertion into a bone and tool for removing this screw |
| 07/15/1997 | US5647712 One directional socket-driven component |
| 07/15/1997 | US5647253 Method and apparatus for a theft resistant fastener |
| 07/01/1997 | US5642972 One-direction captive screw fastener |
| 07/01/1997 | CA2113085C Screw head with slant rib and punch for making such screw heads |
| 06/25/1997 | EP0780585A1 Drive for threaded fastener |
| 06/24/1997 | US5641258 Recessed screw head |
| 06/18/1997 | EP0779440A1 Drain bolt for a sheet metal container |
| 05/28/1997 | DE19544430C1 Fixing screw with polygon shaped recess in head for key |
| 05/13/1997 | US5628602 Anti-theft hub nut for vehicle wheels |
| 04/29/1997 | US5624216 Screw with a shearable head, and a tool for tightening such a screw |
| 04/23/1997 | EP0613529B1 Anchorage |
| 04/22/1997 | US5622024 Collated drywall screws |
| 04/17/1997 | DE19537992A1 Screw head profile |
| 04/02/1997 | EP0765265A1 Locking device for bicycles |
| 03/19/1997 | EP0763665A1 Adhesive insert anchor |
| 03/12/1997 | EP0551295B1 Plastic screw accessory |
| 03/05/1997 | EP0573643B1 Theaded fixation element, in particular a screw, and screw tool |
| 02/26/1997 | EP0759125A1 Device for protection against over-tightening of bolts, screws and the like |
| 02/04/1997 | US5598753 Eagle wing tips tamper-proof fastener and driver tool |
| 01/23/1997 | WO1997002435A1 Theft deterrent device |
| 01/22/1997 | EP0754527A1 Fluid operated tool for elongating and relaxing a threaded connector |
| 01/21/1997 | US5595466 Double slot spanner locknut |
| 01/07/1997 | US5590574 Driver with automatic fastener feed |
| 01/05/1997 | WO1997015762A1 Torque transmission member |
| 01/02/1997 | DE19625416A1 Screwdriver and screw for trauma and corrective facial or jaw surgery |
| 12/27/1996 | WO1996041960A1 Mounting bolts |
| 12/11/1996 | EP0747604A1 Mounting bolts |
| 12/10/1996 | US5582548 Method of manufacture of anti-slip fastener |
| 12/04/1996 | EP0745192A1 Security lock for protecting nuts and bolts holding components together |
| 11/27/1996 | CN1136646A Screw with breakable head and driving tool |
| 11/26/1996 | US5577871 Screw and wrench for snugly-fitted tightenings |
| 11/19/1996 | US5575602 Nut and mating tool head for mechanical fastening to a threaded stud |
| 10/24/1996 | WO1996033050A1 Method and apparatus for a theft resistant fastener |
| 10/24/1996 | CA2218753A1 Method and apparatus for a theft resistant fastener |
| 10/08/1996 | US5562547 Self-attachment screw |
| 10/02/1996 | DE19510547A1 Theft protection for bolted connections |
| 09/12/1996 | WO1996027745A1 Threaded tubular fastener and fastener system |
| 09/10/1996 | US5553983 Recessed screw |
| 08/27/1996 | US5549431 Tube screw fastener |
| 08/22/1996 | WO1996025603A1 Releasable coupling and tool therefor |
| 08/14/1996 | CN1128969A Process and tool for rotating connecting elements, and connecting element used therewith |
| 08/07/1996 | EP0725221A1 Method of fastening members of an assembly |
| 08/01/1996 | WO1996023141A1 Fitting tool for torque transmitting shaft |
| 08/01/1996 | CA2168197A1 Method of fastening members of an assembly |
| 07/31/1996 | EP0595830B1 Screw head with slant rib and punch for making such screw heads |
| 07/30/1996 | US5540017 Telescopic flagpole |
| 07/25/1996 | WO1996022472A1 A screw |
| 07/25/1996 | WO1996022471A1 Threaded fastener with torque calibrating mechanism |
| 07/24/1996 | EP0723086A1 Screw with a separable head and screwing tool for such a screw |
| 06/12/1996 | EP0715989A1 Foot for detachable attaching of vehicle roof rails |
| 05/29/1996 | EP0713442A1 Process and tool for rotating connecting elements, and connecting element used therewith |
| 05/15/1996 | EP0639955B1 Screw for securing an intramedullary nail |
| 05/14/1996 | US5516248 Low torque wood screw |
| 04/25/1996 | WO1996012114A1 Fastening device |
| 04/25/1996 | CA2202915A1 The fastening device |
| 04/24/1996 | EP0708260A2 Fastening and joining means |
| 04/23/1996 | US5509334 Driver bit for a recessed screw |
| 03/21/1996 | DE4441636A1 Self-securing, lockable screw, nut, or rotary closure |
| 03/19/1996 | CA2051728C Fastener having recessed, non-circular head, and fastener-driving tool |
| 03/08/1996 | CA2140297A1 Low torque wood screw |
| 03/07/1996 | WO1996007015A1 A rock bolt and method of installing a rock bolt |
| 03/07/1996 | CA2197997A1 A rock bolt and method of installing a rock bolt |
| 01/31/1996 | EP0694898A1 A support device |
| 01/11/1996 | WO1996000678A1 Locking device for bicycles |
| 01/10/1996 | EP0690964A1 Fastening system |
| 01/03/1996 | EP0690240A1 Threaded security element |
| 12/06/1995 | CN1112991A Screw and wrench for snugly-fitted tightenings |