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| Number | Title | Issue Date |
| 7437901 | Locking cap system A locking cap is selectively locked into place within a tubular opening, such as the open end of a standpipe used to charge a building sprinkler system. The locking cap has an expandable sleeve and a spreader member. As a key is turned, the spreader member is drawn ... | 10/21/2008 |
| 7330355 | Fixed pillar with heat loss A fixed pillar with heat loss is a fixed pillar for losing heat. The fixed pillar with heat loss includes a metal body, a screw thread and a plurality of grooves. The metal body is a hollow body. The plurality of grooves is respectively set on two sides of the metal... | 02/12/2008 |
| 7325470 | Self-centering screw and retaining screw driver for use in surgery The present invention relates to an orthopedic screw and a corresponding screw driver wherein the screw has a torque driving head with a rounded side a spherical wall for multiaxial use, a self starting, self tapping insertion tip and a threaded portion including a ... | 02/05/2008 |
| 7255522 | Spiral drive fastener with engagement ramp The fastener of this application is designed to facilitate the insertion of rotating power driven tools into the fastener recess. The recess of this fastener generally uses spirally configured driving surfaces and is formed in a counterbore in the upper surface of t... | 08/14/2007 |
| 7225710 | Combination driver and combination fastener A driver has a tip that enables it to engage each one of a conventional hexagonal-head fastener and a conventional lobed-head fastener. The tip includes alternating flutes and crests. The crests are substantially flat to engage straight walls of a hexagonal-head. Th... | 06/05/2007 |
| 7207248 | Threaded screw fastener characterized by high pull-out resistance, reduced installation torque, and unique head structure and drive socket implement or tool therefor A threaded screw fastener is provided with a head portion that has integrally incorporated therein dual drive structure whereby the single threaded screw fastener can be rotatably driven by alternative rotary drive socket implements or tools, such as, for example, h... | 04/24/2007 |
| 7188554 | Medical fastener and tool A drive system for a surgical fastener is composed of a drive tool with a drive tip that mates closely with the recess formed in the head of a threaded fastener. The surgical fastener has a head with a quadrilobe fitting therein which closely mates with the quardilo... | 03/13/2007 |
| 7162939 | Tamperproof screw, combination with screwdriver bit, and header punch for manufacturing tamperproof screw Related to a tamperproof screw to which a conventional general screwdriver cannot couple so that screw tightening is prevented reliably, to a screwdriver bit that can be simply and quickly coupled to the screw and can reliably prevent a come-out phenomenon during sc... | 01/16/2007 |
| 7156598 | Waffle stud for insert molded plastic members A fastener is configured for use in the manufacture of molded plastic components that will be subsequently attached to other components by the fastener. The low profile head portion of the fastener has a rounded contoured and convoluted top surface to facilitate the... | 01/02/2007 |
| 7134642 | Vacuum gate valve The invention provides a vacuum gate valve for closing off an opening. The vacuum gate valve can have a valve plate that can be turned so that the alignment of the valve plate will adapt to a valve seat when the valve plate is pressed against the valve seat. ... | 11/14/2006 |
| 7077038 | Screw having non-strip drive recess and driver bit for use with the screw The present invention provides a screw, comprising a screw head having a drive recess and a screw shank having threads and being integrally formed with the screw head, wherein the drive recess includes a plurality of engaging grooves equiangularly radiating from an ... | 07/18/2006 |
| 7051624 | Security nut, bolt and screw A security screw fastener, e.g. a nut or bolt having a head (3) around which is a curved exterior surface (5) which is at least partially conical or dome-shaped on which several left-handed and right-handed grooves (12, 13) are formed which are ... | 05/30/2006 |
| 7044031 | Fastener driving tool The present invention is directed to an improved tool for driving a threaded fastener, such as a hex-headed sheet metal screw. The driving socket is adapted with an counter-bore in the region of the face of driving end of the socket, sufficient to receive therein th... | 05/16/2006 |
| 7004701 | Tamper resistant rotably shrouded security cap and tool A tamper resistant rotably shrouded security cap and tool for preventing unauthorized access to a fluid handling system. The shroud and cap have cooperating engagement means that allows the shroud to rotate freely about the security cap, such that a grip on the shro... | 02/28/2006 |
| 6997085 | Threaded-fastener wrenching structure, threaded fastener and wrenching tool A threaded fastener capable of being reduced in size and weight. A pair of side wall surfaces of each of six radially outwardly projecting, torque transmitting portions lie on straight lines passing through the center line in a cross section perpendicular to the cen... | 02/14/2006 |
| 6994501 | Stopping point Disclosed is a stopping point comprising a connecting eye (1) used with stopping or lashing means. Said connecting eye is rotatably mounted on an anchoring screw (4) which is undetachably connected to a supporting disc (10). The base (2) ... | 02/07/2006 |
| 6988432 | Multi-tiered-recess screws A screw and driver system includes a range of screws and a driver. Each screw has a head having a driving recess in its surface for engagement by the driver. The recess of larger screws in the range have a plurality of superimposed recess tiers of decreasing size wi... | 01/24/2006 |
| 6908126 | Enhanced security catch assembly for retaining a handle on a spindle A catch assembly that locks a handle onto the spindle of a lock mechanism has enhanced resistance to attempts to remove the handle by forcibly driving the catch assembly inwards. The catch assembly includes a base mounted on the spindle having a threaded opening tha... | 06/21/2005 |
| 6905051 | Protective case for use with a belt A protective case that may be used with or without a belt clip. A recess is formed in the inside surface of rear panel of the case, with a corresponding slight, smooth bubble formed on the outside surface of the rear panel. The bubble of the recess has a through-bor... | 06/14/2005 |
| 6890139 | Fastener having recess useable with multiple drivers and method of manufacture A fastener is described having a head formed with a recess which accommodates a square head driver, symmetrical drivers, such as PHILLIPS™ style drivers, asymmetrical style cross head drivers, such as POZIDRIV® style drivers, and combination square and cross driv... | 05/10/2005 |
| 6889580 | Socket for adapting itself to open ends of wrenches of different sizes A socket capable of adapting itself to an open end of one of a plurality of wrenches of different sizes is disclosed. The socket comprises a lower connecting section including a cavity, and a four-sided actuation block projected from a top of the connecting section,... | 05/10/2005 |
| 6881015 | Wedge barrel for a mine roof cable bolt A mine roof bolt for use with a cable comprises a barrel having a first end and a second end, the second end having a rounded surface, a bore extending through the barrel between the first end and the second end and including a tapered portion, the bore sized to rec... | 04/19/2005 |
| 6874985 | Captive nut assembly A captive nut assembly that allows removal of one or more workpieces and/or provides access to an area between a plurality of workpieces is provided. The captive nut assembly includes a screw with an elongated shank that is adapted to be located in an opening of one... | 04/05/2005 |
| 6746186 | Boring tool A boring tool is proposed which has a cutting portion at one end thereof, a driver engaging portion at the other end thereof, a shank arranged between the cutting portion and the driver engaging portion. The shank is formed with a helical groove for discharging cutt... | 06/08/2004 |
| 6685412 | Multi-lobe torque driving recess and tool in particular for an orthopedic implant screw The present invention provides a fastener, such as a screw or nut and tool designed in particular for use with an orthopedic implant system wherein the fastener has a multi-lobed torque driving recess. The recess has a central area bounded by equally spac... | 02/03/2004 |
| 6682283 | Sidewalk bolt A sidewalk bolt is provided. The bolt includes a head portion, a threaded shaft portion extending perpendicularly outward from a first side of the head portion, and a socket head recess well formed within a second side of the head portion for use in drivi... | 01/27/2004 |
| 6655888 | Lobed drive for hi-lite fastener A drive socket for a male threaded fastener includes three rounded lobes of equal radius which are located equidistant from the center of the fastener and 120° apart from each other. The drive socket also includes three flat surfaces, each flat surface b... | 12/02/2003 |
| 6626627 | Screw with tamper-proof head A screw (1) is provided with a shank (3), a head (2) and a boring part (5). The shank (3) is provided with a thread (4). The head (2) has a shoulder (6) disposed at an axial distance (B) from the bearing face (12), while a portion (7) adjoining the should... | 09/30/2003 |
| 6540460 | Tamper indicating tool engaging head A fastener having a tamper-evident sleeve thereon. The fastener has a shank and a double-headed driving portion that is integrally formed with the shank. The double-headed portion includes an outer head for driving the fastener into a work piece or nut an... | 04/01/2003 |
| 6481944 | Combination sidewalk bolt A combination sidewalk bolt is provided. The bolt includes a head portion, a threaded shaft portion extending perpendicularly outward from a first side of the head portion, a socket head recess well formed within a second side of the head portion for use ... | 11/19/2002 |
| 6477923 | High-torque resorbable screws A high-torque fastener having a threaded shaft and a star-shaped head is disclosed. The high-torque fastener is made of a resorbable or other non-magnetic material. A mating driver snugly fits around the star-shaped head of the fastener, to thereby apply ... | 11/12/2002 |
| 6471457 | Screw retention device having a hook A screw retention device is disclosed having a clamping part and a hook part. The clamping part engages the head of a screw for securely retaining the screw. The hook part interacts with a surface of the component on which the screw is fastened to limit t... | 10/29/2002 |
| 6450746 | Screw retention device having serrations A screw retention device is disclosed for maintaining at least a pair of screws in a substantially static position. The screw retention device preferably includes at least two clamping portions, each clamping portion defining a recess therein for receivin... | 09/17/2002 |
| 6443681 | Threaded component with a tool-fitting region A fastener for use with inch and metric wrenches has a body unitarily formed with at least one screwthread, a pair of concentric faceted tool-fitting regions of different sizes, and a step between the regions. One of the regions corresponds to a metric wr... | 09/03/2002 |
| 6361258 | Permanently placeable fasteners, inserter head for fastener placement and related methods Fasteners and devices and methods for placing fasteners in a workpiece are disclosed. More particularly, non-removable permanently-placeable fasteners for placement in a workpiece to hold elements thereof together, permanently-placeable but removable fast... | 03/26/2002 |
| 6343531 | High-torque resorbable screws A high-torque fastener having a threaded shaft and a star-shaped head is disclosed. The high-torque fastener is made of a resorbable or other non-magnetic material. A mating driver snugly fits around the star-shaped head of the fastener, to thereby apply ... | 02/05/2002 |
| 6328512 | Tamper indicating tool engaging head The present invention provides a novel fastener having a tamper indicating tool engaging drive head. The fastener has a shank including a threaded shank portion. The fastener also has a double-headed driving portion that is integrally formed with the shan... | 12/11/2001 |
| 6328517 | Combination sidewalk bolt A combination sidewalk bolt is provided. The bolt includes a head portion, a threaded shaft portion extending perpendicularly outward from a first side of the head portion, a Phillips head recess well formed within a second side of the head portion for us... | 12/11/2001 |
| 6309132 | Fastening assembly for fastening a first member to a second member A fastening assembly for fastening a first member to a second member comprising at least one threaded fastener having a head at one end thereof, the head having engagement surfaces for a tool, a threaded shank, the other end of the shank having engagement... | 10/30/2001 |
| 6305054 | Exhaust system clamp The present disclosure relates to a clamp for sealing a lap joint formed by a first pipe inserted within a second pipe. The clamp includes a strap having a concave inner curvature that curves about a central axis. The strap includes a first axial end posi... | 10/23/2001 |
