| Patents for F16B 41 - Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts, or pins (4,973) |
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| 10/20/1993 | CN2144210Y Rust-inhibiting nut |
| 10/12/1993 | US5252261 Adjustment safeguard for an adjusting screw |
| 10/12/1993 | US5251868 Connector pin assembly for concrete form panel units |
| 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 |
| 09/15/1993 | CN2142160Y Anti-theft device for metal parts of pull wire |
| 09/14/1993 | US5244325 Fastener assembly with axially slidable sleeve |
| 09/14/1993 | US5244166 Handle fixing structure for spinning reel |
| 08/24/1993 | US5237735 Method for securing a screw means in a preset position |
| 08/18/1993 | CN2140442Y Antitheft bolt |
| 08/17/1993 | US5236634 Carburetor needle valve adjustment limiter cap and method of adjusting fuel flow |
| 07/20/1993 | US5228867 Electrical connector bolt fastening device |
| 07/20/1993 | US5228250 Tamper proof anchor bolt assembly |
| 07/06/1993 | US5224806 Adjustable diameter bolt assembly |
| 06/30/1993 | EP0549403A1 Method and device to prevent loss of a screw for fastening a printed circuit board to a support |
| 06/30/1993 | CN2137392Y Multifunctional anti-theft bolt for transformer |
| 06/24/1993 | DE4142034A1 Captive screw for use in clamping terminals - has section of stem free of thread which can be used to hold screw captive when released. |
| 06/16/1993 | CN2136359Y Bolt head cover with corrosion resistant effect |
| 06/03/1993 | DE4135775A1 Safety lock with cobalt in screw shaft and nut - has push-in peg anchored by bolt in screw shaft and nut and includes barb on peg to stop nut turning and has lock end filling out screw slit |
| 06/02/1993 | CN2135080Y Defence screw-thread fastener |
| 06/01/1993 | US5214945 Locking assembly for use on a nut or bolt head |
| 05/26/1993 | CN2134527Y Thread anti-theft bolt for transformer |
| 05/26/1993 | CN2134526Y Anti-theft bolt |
| 05/12/1993 | CN2132866Y Anti-theft fastener and its special muff |
| 05/11/1993 | US5209895 Method of repairing a nuclear assembly |
| 04/28/1993 | CN1071493A Bolt and nut with function of cleaning both screw surfaces |
| 04/06/1993 | US5199152 Captivating a fastener to a workpiece |
| 04/01/1993 | WO1993006375A1 Tamper proof anchor bolt assembly |
| 03/25/1993 | DE4131779A1 Screw fixing to cover equipment housing, e.g. electrical appts. or antennae - has screws passing through bush insert with large clearance hole, and captive washer for head of screw location |
| 03/23/1993 | US5195858 Fastener apparatus for locking together two components |
| 03/18/1993 | DE4130415C1 Bolt and nut safety holder - has clamp forming part with two side straps and bottom strip engaging nut thread |
| 03/17/1993 | EP0532392A1 Guiding and holding device of a non-losable screw on an assembling system |
| 03/03/1993 | EP0529466A1 Fastener locking by rotation for joining component parts |
| 03/03/1993 | EP0529172A1 Panel fastener, positive locking and status indicator |
| 03/03/1993 | CN1019960C Apparatus and method for mounting vehicle wheels |
| 01/27/1993 | EP0524750A1 Captive fastener and installation method |
| 01/26/1993 | US5181405 Gooseneck trailer hitch lock |
| 12/29/1992 | US5174702 Lug nut retainer |
| 11/25/1992 | CN2122966U Theft-proof stud bolt |
| 11/11/1992 | CN2121564U Three-protective blind nut |
| 11/04/1992 | CN2120912U Anti-dismount, anti-theft screw |
| 10/14/1992 | CN2118856U Defence bolt |
| 10/13/1992 | US5154559 Captivating a fastener to a workpiece |
| 09/29/1992 | CA1307954C Fastener assembly for rocker arm cover |
| 09/09/1992 | EP0502815A1 Nut for threaded connection in an implant |
| 09/08/1992 | US5144820 Anti-theft device for spectacle frames |
| 09/03/1992 | WO1992014937A1 Tamper proof fastening apparatus |
| 08/20/1992 | WO1992014067A1 Telescopic connector and method for use |
| 08/19/1992 | CN2113375U Theft-proof device for transformer |
| 08/18/1992 | US5138986 Internal combustion engine starting control to prevent unauthorized starting |
| 08/18/1992 | CA1306372C Captive self-locking mechanism |
| 08/04/1992 | US5135342 Tamper proof fastening apparatus |
| 07/22/1992 | CN2110740U Special anti-theft screw bolt on transformer |
| 07/21/1992 | US5131796 Security fastener for threaded objects |
| 07/14/1992 | US5129770 Armadillo tamper resistant bolt and head protector |
| 07/07/1992 | US5127687 Tamper indicator for a locking seal |
| 06/16/1992 | US5121953 Locking ring assembly for utility meters |
| 06/09/1992 | US5120168 Auto-torque, tamper-proof screw/bolt |
| 06/09/1992 | US5119665 Installation tool for captive panel fastener |
| 06/04/1992 | DE4136887A1 Appliance for securing screws or nuts against loosening after assembly - consists of cover with smooth outer surface and inner cavity |
| 06/03/1992 | CN2106259U Staggered-tooth theft-proof bolt and special-purpose tool |
| 05/12/1992 | US5112176 Shrouded anti-theft locknut |
| 05/06/1992 | EP0483340A1 Lock and hexagonal nut combination for mounting vehicle wheels |
| 04/22/1992 | EP0481514A1 Closure nut for fixing bolts mainly for roof racks |
| 04/15/1992 | EP0480866A2 Panel fastener having internal threads and having maximum retaining ring retention capability |
| 04/14/1992 | US5104274 Cap having antitheft lock for fastening member |
| 04/07/1992 | US5102003 Drain plug retainer |
| 03/25/1992 | EP0477142A2 Locking washer |
| 03/25/1992 | CN2099871U Unloading-proof fixed device for power transformer |
| 03/24/1992 | US5098241 Variable length telescopic connector and method for use |
| 03/24/1992 | US5097686 Security locking system for vehicle wheel nuts |
| 03/24/1992 | CA1297709C Laminated nut with one way installation |
| 03/11/1992 | CN2098590U Dismounting-proof apparatus for small-size power transformer |
| 03/10/1992 | US5094579 Fastener and grommet assembly providing axial play |
| 03/04/1992 | CN2097923U Anti-dismantling plug screw |
| 03/03/1992 | US5092723 Engine clip bolt |
| 02/12/1992 | EP0470388A2 Belt with shearable head |
| 02/12/1992 | CN2095961U Zjl anti-theft bolt |
| 02/11/1992 | US5087161 Spaced elastic ring product |
| 02/04/1992 | CA1295105C Mechanical roof fastener |
| 01/21/1992 | US5082410 System for mounting guide ridge on cross-country ski |
| 01/21/1992 | US5082407 Fastener retainer |
| 01/21/1992 | US5082406 Self locking panel fastener with device for visually indicating whether fastener is locked |
| 01/15/1992 | CN2093107U Tyre nut protective cover for car |
| 01/09/1992 | WO1992000435A1 Bicycle locking system |
| 01/08/1992 | EP0464358A1 Screw and/or stud fastener for fastening of profiled elements |
| 01/08/1992 | EP0464194A1 Screw for securing resilient materials to a support vulnerable to damage caused by the thread |
| 01/07/1992 | US5078224 Radiator mounting for motor vehicles |
| 12/31/1991 | US5076747 Panel fastener having internal threads and having maximum retaining ring retention capability |
| 12/24/1991 | US5074727 Threaded device retainer |
| 12/17/1991 | US5073070 Panel fastener with floating grommet assembly |
| 12/11/1991 | CN1056841A Lock and hexagonal mut combination for mounting vehicle wheels |
| 12/10/1991 | US5071300 Shrouded jam locknut |
| 12/04/1991 | EP0459028A1 Method of repairing a nuclear assembly comprising a bolt with a deformable retainer element |
| 11/14/1991 | WO1991017335A1 Lockable quick-release mechanism |
| 11/13/1991 | CN2088618U Stainless cap nut |
| 11/12/1991 | US5064326 Tamper proof service bolt |
| 11/12/1991 | US5064324 Fastening screw for assembly plates |
| 11/12/1991 | US5063763 Locking device for boat sonar units and the like |
| 11/02/1991 | WO1991017364A1 Lock and hexagonal nut combination for mounting vehicle wheels |
| 10/25/1991 | CA2039663A1 Coupling for anchor rod and sleeve |