| Patents for F16B 23 - Specially-shaped heads of bolts or screws for rotations by a tool (3,038) |
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| 03/10/2010 | CN201420783Y Anti-dismantle screw |
| 03/10/2010 | CN201420782Y Anti-dismantle screw |
| 03/10/2010 | CN201420768Y Half thread screw with female hole triangular flange head |
| 03/10/2010 | CN201420766Y Full-thread screw with female screw hole hexagonal flange face head |
| 03/10/2010 | CN201420745Y Full-thread screw with female screw hole square head |
| 03/10/2010 | CN101666348A screw for sealing |
| 03/04/2010 | WO2010024026A1 Screwdriver bit, screw, and combination thereof |
| 02/25/2010 | US20100047036 Fixing device for rotary blade |
| 02/24/2010 | EP2156062A1 Screw head recess drive and corresponding driver tool and recess punch |
| 02/17/2010 | CN101652576A multi-tool adjusting screw |
| 02/16/2010 | US7661916 Fastener assembly |
| 02/13/2010 | CA2635918A1 Licence plate fastener |
| 02/11/2010 | DE202009013390U1 Vorrichtung zum Schutz vor Manipulation Device to prevent tampering |
| 02/10/2010 | CN201401414Y Oblong screw cap |
| 02/10/2010 | CN201401413Y Flat elliptical screw cap |
| 02/10/2010 | CN201401412Y Screw cap |
| 02/10/2010 | CN201401411Y Screw cap |
| 02/10/2010 | CN201401410Y Elliptical screw cap |
| 02/10/2010 | CN201401408Y Screw or nut screwed by coins |
| 02/10/2010 | CN201401406Y Burglar-proof screw and special screwdriver thereof |
| 02/09/2010 | US7658581 Joining assembly including a plastic support member and a plastic threaded element |
| 02/04/2010 | WO2010014881A1 Assembly improving, low mass, fastener head |
| 02/04/2010 | WO2010012706A1 Screw drive design |
| 02/04/2010 | WO2009132259A3 Torque member for threaded connections |
| 02/04/2010 | DE102008036577A1 Schraubenantriebsausbildung Screw driving training |
| 02/04/2010 | CA2732431A1 Assembly improving, low mass, fastener head |
| 01/27/2010 | EP2147221A1 Theft-protected screw part |
| 01/27/2010 | CN201391533Y Internal heptagonal anti-theft bolt and wrench |
| 01/27/2010 | CN201391530Y Bolt protective cap |
| 01/27/2010 | CN201391529Y Tool for bolt dismantlement prevention and screwing |
| 01/27/2010 | CN201391528Y Theftproof bolt pair |
| 01/27/2010 | CN201389834Y Universal screw and nut driver |
| 01/21/2010 | WO2009142469A4 Wood screw and a screw drive for screwing in and off said wood screw |
| 01/21/2010 | US20100014940 Bolt, the axial force of which is to be determined by a supersonic wave, and a method for the manufacturing thereof |
| 01/20/2010 | CN201386733Y Anti-tamper screw |
| 01/20/2010 | CN201386732Y Anti-tamper screw |
| 01/20/2010 | CN201386727Y Improved retaining nut |
| 01/20/2010 | CN201386723Y Improved combination screw taking and placing structure |
| 01/20/2010 | CN201386714Y 锁附固定组件 Lock attached fixed component |
| 01/14/2010 | DE202009013529U1 Schraube mit Drallantrieb Screw drive with a twist |
| 01/14/2010 | DE102009024619A1 Befestigungssystem, Befestigungsmittel und Werkzeug Fastening system, fasteners and tools |
| 01/07/2010 | WO2010000204A1 A fastener provided with fastening teeth and a special wrench thereof |
| 01/07/2010 | CA2641228A1 A tamper resistant jackbolts for a tensioner |
| 01/06/2010 | EP2140152A2 Multi-tool adjusting screw |
| 01/06/2010 | CN201377506Y Flat oval screw cap |
| 01/06/2010 | CN201377502Y Spherical bolt |
| 01/06/2010 | CN201377501Y Prolate ellipsoidal bolt |
| 01/06/2010 | CN201377500Y Prolate ellipsoidal bolt |
| 01/06/2010 | CN101619736A Fastening piece provided with fastening teeth and special spanner |
| 01/06/2010 | CN100578024C Combined bolt |
| 12/31/2009 | DE102008029240A1 Connecting device i.e. screw, for connecting work piece i.e. arbitrary component, with dental impact, has under cuts introduced into longitudinal side of side limiting surface, where bracket of tool body is resorted by under cuts |
| 12/24/2009 | DE102008026310A1 Screw head for use with cross slot-screwing tool in electrical industry, has connection line curvedly wound between slot edges with radius of preset value, and intersection between two abutting slots curvedly wound with another radius |
| 12/23/2009 | WO2009153762A2 A staircase structure and structural joint for obtaining staircases |
| 12/23/2009 | CN201368110Y Anti-removal device |
| 12/16/2009 | CN201363357Y Ring table type antitheft screw and screwdriver |
| 12/16/2009 | CN201361842Y Special tool for regulating bidirectional silk pole in cutting machine |
| 12/16/2009 | CN201361835Y Reinforcing steel bar straight thread sleeve connecting spanner of reinforcement distribution building body and matching round nut |
| 12/16/2009 | CN101605634A Slotted screw |
| 12/10/2009 | DE202009010232U1 Befestigungselement für Fahrzeugräder Fastener for vehicle wheels |
| 12/10/2009 | DE102009024165A1 Sicherheitsschraube und -system Security screw and system |
| 12/09/2009 | CN201358987Y Cross screw bolt |
| 12/03/2009 | US20090297292 Screw fastener |
| 12/03/2009 | DE102008031802A1 Senkschraube und deren Anwendung zur Verbindung einer Kurbel und eines Zahnscheibensatzes Countersunk screw and its application for connecting a crank and a tooth pulley set |
| 12/02/2009 | CN201354792Y Bolt connector tightly locked by suite lock-tongue nut |
| 12/02/2009 | CN101592176A Hexagonal irregularly-shaped hole screw |
| 12/02/2009 | CN100564904C Drill clamping chuck self-tightening screw nail and its manufacture method |
| 11/26/2009 | WO2009142469A1 Wood screw and a screw drive for screwing in and off said wood screw |
| 11/25/2009 | CN201351660Y Screw of opening and closing device |
| 11/19/2009 | US20090285653 Lobed drive for hi-lite fastener |
| 11/18/2009 | CN101581332A Half thread screw structure with mother hole at end |
| 11/18/2009 | CN101581331A Blind bolt as well as crank and fluted disc unit group using same |
| 11/17/2009 | US7618327 Fastener with friction engageable surface |
| 11/17/2009 | CA2589807C Recessed head fastener and driver systems |
| 11/11/2009 | CN201344198Y Undetachable nut |
| 11/11/2009 | CN201344197Y Novel theft prevention bolt and special sleeve |
| 11/11/2009 | CN201344196Y Theft prevention bolt and special sleeve |
| 11/11/2009 | CN201344186Y Hexagon socket head bolt |
| 10/29/2009 | WO2009132259A2 Torque member for threaded connections |
| 10/29/2009 | WO2009132001A1 Drive system |
| 10/29/2009 | WO2009107018A3 Self-drilling dowel |
| 10/29/2009 | CA2729836A1 Drive system |
| 10/29/2009 | CA2721587A1 Torque member for threaded connections |
| 10/28/2009 | CN101566186A Screw |
| 10/22/2009 | WO2009094107A3 Surface cover with snap having a drill guide |
| 10/22/2009 | US20090260489 Drive system |
| 10/21/2009 | CN201330789Y Flat-top non-slot anti-theft screw and screw driver |
| 10/21/2009 | CN201330788Y Power transmission sequence rod tower grounding security screw and special tool |
| 10/21/2009 | CN201330780Y Knurling grub screw |
| 10/21/2009 | CN101561007A Self-tapping lock screw |
| 10/21/2009 | CN100552240C Tamperproof screw, combination with screwdriver bit, and head punch for manufacturing tamperproof screw |
| 10/15/2009 | US20090257844 Recessed head screw |
| 10/14/2009 | CN201326635Y Anti-theft bolt equipped with loading-unloading tool |
| 10/14/2009 | CN201326634Y Anti-theft bolt equipped with loading-unloading tool |
| 10/14/2009 | CN201326633Y Anti-theft bolt equipped with loading-unloading tool |
| 10/14/2009 | CN201326628Y Special thumb screw of knitting machine |
| 10/14/2009 | CN201326627Y Special limit screw of knitting machine |
| 10/14/2009 | CN201326626Y Special spring bumping post screw of knitting machine |
| 10/14/2009 | CN201326625Y Special regulating screw of knitting machine |
| 10/14/2009 | CN201326624Y Special prop-setting screw of knitting machine |
| 10/14/2009 | CN201326623Y Umbrella type knife handle screw |