| Patents for F16B 23 - Specially-shaped heads of bolts or screws for rotations by a tool (3,038) |
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| 11/02/1995 | WO1995029343A1 Device for protection against over-tightening of bolts, screws and the like |
| 10/31/1995 | US5461952 Back-side taper wedging drive system |
| 10/25/1995 | CN2210965Y Locking screw |
| 10/18/1995 | EP0677667A1 Screw and relative screwing tool |
| 10/04/1995 | EP0674880A1 Biodegradable osteosynthesis screw and corresponding screwdriver |
| 09/26/1995 | US5452974 Deformable locking fastener system and method of use |
| 09/19/1995 | US5450776 Security fastener removal tool |
| 09/12/1995 | US5449260 Tamper-evident bolt |
| 09/06/1995 | EP0670431A1 Screw and wrench for snugly-fitted tightenings |
| 08/24/1995 | WO1995022699A1 Security lock for protecting nuts and bolts holding components together |
| 08/24/1995 | WO1995022441A1 Fastener system |
| 08/22/1995 | CA2110588C Compressible screw-type locking mechanism |
| 08/09/1995 | CN2204876Y Antistealing bolt and nut used on electric power distribution tower and its spanner |
| 08/08/1995 | US5439338 Anchorage and installation tool |
| 08/08/1995 | US5438895 Fastener and driving tool |
| 08/03/1995 | WO1995020727A1 Fastening system |
| 08/03/1995 | CA2158980A1 Fastening system |
| 07/25/1995 | US5435680 Screw drive construction |
| 07/18/1995 | CA2063268C Lock and hexagonal nut combination for mounting vehicle wheels |
| 06/08/1995 | DE4340900A1 Dowel for attaching part especially hook to wall |
| 05/31/1995 | CN2199352Y Convenient bolt |
| 05/17/1995 | EP0261232B1 Torque limiting fastener |
| 04/26/1995 | CN2195646Y Screw with vee gutter and matching screw-driver bit |
| 04/26/1995 | CN1102037A Screw for securing an intramedullary nail |
| 04/06/1995 | WO1995009308A1 Threaded component with a tool-fitting region |
| 03/28/1995 | US5401133 Security washer for security paneling system |
| 03/07/1995 | US5395196 Two-piece lug bolt |
| 03/01/1995 | EP0639955A1 Screw for securing an intramedullary nail. |
| 02/16/1995 | WO1995004635A1 Process and tool for rotating connecting elements, and connecting element used therewith |
| 02/16/1995 | CA2169052A1 Process and tool for rotating connecting elements, and connecting element used therewith |
| 02/15/1995 | EP0637944A1 Absorbable bone screw and tool for its insertion |
| 02/02/1995 | DE4325150A1 Fastening element in the form of a screw or nut |
| 02/01/1995 | EP0636799A1 Fastener head with internal recess having a radial slot configuration and installation tool therefor |
| 01/17/1995 | CA2061531C Elliptical lobed drive system |
| 01/05/1995 | DE4321325A1 Screw-in fastening element |
| 01/03/1995 | US5378101 Tamper-proof drive system based upon multi-lobular configuration |
| 12/27/1994 | US5375956 Head screw construction for use in fixing the position of an intramedullary nail |
| 12/07/1994 | EP0595952A4 Toothed fastener. |
| 12/01/1994 | DE4317303A1 Process for producing a surface |
| 11/30/1994 | EP0626277A1 An improved nipple for connecting a spoke to the rim of a spoked wheel |
| 11/22/1994 | US5366330 Fastener head with internal recess having a radial slot configuration and installation tool therefor |
| 11/15/1994 | US5364213 Cap for fastening devices for motor vehicle wheels and the like |
| 11/15/1994 | US5364212 Fastening member having threads, particularly a screw and screwing tool |
| 11/09/1994 | CN2182295Y Cross recess head screw |
| 11/01/1994 | US5360304 Fastener construction |
| 10/25/1994 | US5358368 Screw with improved head design |
| 09/15/1994 | WO1994020039A1 Screw for securing an intramedullary nail |
| 09/15/1994 | DE4413782A1 Screw |
| 09/07/1994 | EP0613529A1 Anchorage. |
| 08/30/1994 | US5341560 Method of elongating and relaxing a stud |
| 08/24/1994 | CN2175319Y Universal screw rod |
| 08/23/1994 | US5340256 Security nuts |
| 08/18/1994 | WO1994017961A1 Fastener and driving tool |
| 08/10/1994 | CN2173877Y Double purpose screwdriver screw |
| 07/13/1994 | CN2171719Y Quick dismounting eccentric fixed bolt |
| 07/13/1994 | CN2171718Y Knob with changable bolt |
| 06/28/1994 | US5324149 Lightweight lug nut |
| 06/28/1994 | US5324148 Two-piece lug bolt |
| 06/08/1994 | CN2168114Y non-standard screw, bolt and tool special for rotation of screw |
| 06/07/1994 | US5318397 Mechanical tensioner |
| 05/25/1994 | EP0598561A1 Recessed screw |
| 05/19/1994 | DE4307633C1 Screw for locking marrow-cavity pin in position - has threaded section of shank near head and opposite thread on head with unthreaded section of shank between |
| 05/11/1994 | EP0595952A1 Toothed fastener |
| 05/04/1994 | EP0595306A1 Cap for fastening devices |
| 05/03/1994 | CA2081959A1 Tamper proof locking screw and nut |
| 04/12/1994 | US5302069 Stepped, capped wheel nut |
| 04/12/1994 | US5302068 Fastener having recessed, non-circular head, and fastener-driving tool |
| 04/06/1994 | EP0590444A1 A capped nut |
| 03/30/1994 | CA2107366A1 Stepped, capped wheel nut |
| 03/16/1994 | EP0586593A1 Compressible screw-type locking mechanism |
| 03/08/1994 | US5291811 Back-side taper wedging drive system |
| 02/01/1994 | US5282802 Method of securing a tendon graft with an interference fixation screw |
| 01/18/1994 | US5279190 Elliptical lobed drive system |
| 01/11/1994 | US5277531 Device having socket with retention surfaces |
| 12/15/1993 | EP0573643A1 Theaded fixation element, in particular a screw, and screw tool. |
| 12/14/1993 | US5269208 Tamper-proof fastener and a driver tool therefor |
| 11/30/1993 | US5265503 Lug nut and socket |
| 11/18/1993 | EP0570040A1 Back-side taper wedging drive system |
| 11/11/1993 | WO1993021848A1 Absorbable bone screw and tool for its insertion |
| 11/09/1993 | CA1324176C Hatch closure assembly |
| 10/26/1993 | US5256014 Nut threaded fastener for applying a predetermined preload |
| 10/05/1993 | US5249899 Fastener and socket tool for use in high tension |
| 10/05/1993 | US5249882 Self-tapping screw |
| 09/23/1993 | DE4244102A1 Domed nut for threaded fixture to wood, plastics and metal - has underside of head at angle greater than 90 deg., head has three equispaced holes as location for special tool and threads are coated in plastics |
| 09/22/1993 | EP0407434B1 Bone screw |
| 09/08/1993 | EP0558831A1 Screw or screwbolt |
| 09/01/1993 | CN2141483Y Hexagon cap screw, nut and wrench |
| 07/20/1993 | CA1320362C Fastening member for securement into hard materials |
| 07/08/1993 | WO1993013323A1 Theaded fixation element, in particular a screw, and screw tool |
| 07/06/1993 | US5224402 Screw and screwdriver therefor |
| 06/15/1993 | US5219253 Recessed screw and a driver bit engageable therewith |
| 06/01/1993 | US5214987 Screw fastener and driving tool |
| 05/27/1993 | WO1993010363A1 Anchorage |
| 05/04/1993 | US5207545 Threaded fastener |
| 05/04/1993 | US5207404 Drive screw eye or hook |
| 05/04/1993 | US5207132 Elliptical lobed drive system |
| 04/28/1993 | EP0539113A1 Improvements relating to screw threaded fasteners |
| 04/28/1993 | CN1071494A Elliptical lobed drive system |
| 04/27/1993 | US5205694 Self-tapping screw |
| 04/21/1993 | EP0537807A1 Fastener with multilobular internal recess and tool entry ramps |