Patents for F16B 23 - Specially-shaped heads of bolts or screws for rotations by a tool (3,038)
01/2009
01/14/2009CN100450685C Method for forming groove on screw fastener head
01/08/2009WO2009006181A1 Lobular drive system with interference fit and method and apparatus for fabricating same
01/08/2009WO2008140289A4 An improved fastener and driving tool
01/07/2009CN201176997Y Unidirectional fastening screw
01/07/2009CN100449160C Fastener and working tool thereof
01/06/2009US7473182 Spiral drive fastener with friction engageable surface
01/01/2009US20090003967 Lobular drive system with interference fit and method and apparatus for fabricating same
12/2008
12/31/2008WO2009001635A1 Screw, and driver bit
12/30/2008CA2525175C Blind fastener and nose assembly for installation of the blind fastener
12/24/2008CN201170247Y 组合式螺栓 Combined Bolts
12/24/2008CN201170241Y Outwards convex screwing structure stud
12/24/2008CN101331330A A fastener assembly
12/17/2008CN201166046Y Anti-theft unloading bolt nut and tools thereof
12/17/2008CN201166040Y Sawteeth lock screw
12/17/2008CN201166039Y Sawteeth oval head cross lock screw
12/17/2008CN201166038Y Sawteeth inner hexagon lock screw
12/17/2008CN201166037Y Sawteeth cross lock screw
12/17/2008CN201166036Y Sawteeth oval head transverse lock screw
12/17/2008CN201166035Y Sawteeth transverse lock screw
12/17/2008CN201166034Y Inner concave screw structure stud
12/17/2008CN101323104A Flat conical screwdriver head and corresponding bolt slot structure
12/17/2008CN100443744C Lobed drive socket for fastener
12/11/2008WO2008131015A3 Multi-tool adjusting screw
12/10/2008CN201162758Y Screw nail
12/10/2008CN201162754Y Jack screw
12/09/2008US7461869 Air brake hose coupling with locking device
12/04/2008US20080295651 Brick tie anchor and drive tool
12/03/2008CN201159231Y Screw
11/2008
11/26/2008EP1995474A2 Improved drive socket design for hold and drive fastener
11/26/2008CN201155511Y Electronic device and its detaching-proof screw
11/26/2008CN201154375Y Die and screw manufactured thereby
11/20/2008WO2008140289A1 An improved fastener and driving tool
11/20/2008WO2008138907A1 Theft-protected screw part
11/20/2008DE102008013895A1 Diebstahlgesichertes Schraubteil Secured theft screw
11/18/2008US7452361 System with a screwdriver and a bone screw
11/13/2008WO2008136765A1 Screw head recess drive and corresponding driver tool and recess punch
11/13/2008US20080279653 Screw head formation
11/12/2008CN201149028Y Anti-dismounting bolt pair, anti-dismounting bolt nut thereof, and special-purpose wrench thereof
11/12/2008CN100432454C Bolt and method for fastening and loosening the same
11/06/2008US20080273938 Fastener Assembly
11/05/2008CN100430614C Low contour-profile fastening screw
10/2008
10/30/2008WO2008131015A2 Multi-tool adjusting screw
10/30/2008CA2681599A1 Multi-tool adjusting screw
10/29/2008EP1985398A1 Method for making a screw for spectacles, and screw for spectacles thus made
10/29/2008CN100429028C Punch and manufacturing method for recessed head fastener
10/28/2008US7441483 Tamper-resistant fastener and method and tool for use with same
10/21/2008US7438513 Ribbed fastener
10/21/2008CA2299115C Countersunk head screw
10/15/2008CN201132191Y Die for dill tail moulding screw
10/15/2008CN101285493A Multifunctional special-shaped screw
10/08/2008CN101283186A Fasteners with multi-tiered recesses and drivers with multi-tiered driving tips
10/02/2008US20080240883 Threaded Insert and Method of Using Same
10/01/2008CN201125914Y Flat-shaped screwing structure stud
09/2008
09/25/2008DE202008007024U1 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
09/24/2008CN201121635Y Combined screw
09/24/2008CN201121634Y Combined screw
09/24/2008CN201121633Y 组合式螺丝 Combined screw
09/24/2008CN201121629Y Screwed external member group
09/18/2008US20080226423 Multi-tiered-recess Screws
09/17/2008CN201117829Y High speed railway integrated earth terminal for grounding
09/16/2008US7425112 Tamper resistant screw
09/04/2008US20080213065 Joining assembly including a plastic support member and a plastic threaded element
09/03/2008EP1525402B1 Lobed drive socket for fastener
09/03/2008EP1520110B1 Screw and driver therefor
09/02/2008US7419124 Multi-purpose mount for securing insulation and holding cables
09/02/2008CA2589776C Recessed head fastener and driver systems
08/2008
08/27/2008EP1960678A1 A fastener assembly
08/27/2008CN201106615Y Closing lock screw and special rotating tool
08/27/2008CN201106606Y Antitheft screw nail
08/26/2008CA2371394C Shape-memory coupling especially for spinal fixator
08/21/2008DE202008007348U1 Kraftangriff einer Schraube Force attack a screw
08/20/2008CN201103603Y Nonstandard antitheft screw
08/20/2008CN201103599Y Combined bolt
08/20/2008CN201103594Y Novel screw
08/20/2008CN101245803A Combined bolt
08/14/2008WO2008049621B1 Clamping device and collet chuck, base and chuck key therefor
08/13/2008CN201100301Y Theft-prevention screw and special spanner
08/13/2008CN100410552C Screw
08/06/2008CN201096131Y Floor screw nail and its special-purpose rotating tool
08/06/2008CN101235842A Theft-proof bolt and nut and its tool
08/06/2008CN101235841A Drill clamping chuck self-tightening screw nail and its manufacture method
07/2008
07/30/2008CN201093002Y Antitheft bolt and rotating tool
07/29/2008CA2470005C Method of fastening
07/29/2008CA2308658C Drive system
07/24/2008US20080175688 Fastener with stepped head for composite decking
07/23/2008EP1945958A1 Fasteners with multi-tiered recesses and drivers with multi-tiered driving tips
07/23/2008CN201090581Y Bolt
07/23/2008CN201090580Y 螺栓 Bolt
07/23/2008CN201090579Y High speed principal axis and seal plug structure of screw cap thereof
07/23/2008CN100404889C Screw with driven hole and screwdriver head used for the screw
07/16/2008CN101223370A Fastener head
07/16/2008CN101220827A Un-slipped screw and bottle opener
07/15/2008US7399150 Connecting element
07/10/2008US20080166203 Plastic overmolded screw
07/09/2008CN101216062A Connecting arrangement with a plastic carrier part and a plastic thread element
07/03/2008US20080159829 Threaded fastener
07/03/2008US20080159828 Threaded fastener
07/03/2008US20080159827 Screw head and tool for use therewith
07/02/2008EP1939464A2 A dynamometric screw with antiflexure fusible head
07/02/2008EP1939463A1 Screw with recess in the head of the screw
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