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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7329077 | Fastener apparatus for roofing and steel building construction A fastener apparatus includes a frusto-hemispherical head portion having a flat top surface, a curved outer surface, a base portion, and a peripheral edge, with the flat top surface bearing a tool fitting. A downwardly-depending lip portion extends from the head per... | 02/12/2008 |
| 7278341 | Structural bolt security apparatus A structural bolt security apparatus includes a security nut forming a threaded central hole for a bolt; the security nut has a groove in an upper surface and/or a side surface. At least one groove is at least partially separated from the threaded central hole by th... | 10/09/2007 |
| 7275903 | Light weight fastener for use on interference fits in automation A fastener for installation into an interference fit hole within a structure. The fastener may be installed through automated installation methods. The fastener includes an enlarged protruding head at a proximal end of the fastener. Distal the head is a substantiall... | 10/02/2007 |
| 7252471 | Swivel nut A swivel nut comprising a body (10) having a threaded bore (130), the body comprising a ridge (11) which circumferentially extends about an outer surface, the body further comprising a first surface (12) which extends normal to a body bor... | 08/07/2007 |
| 7227434 | Tuning screw assembly The present invention relates to a tuning screw assembly comprising a sleeve (100) with internal threads for engaging a tuning screw (200) having external threads. The sleeve comprises a first threaded portion (32) which is axially displaced in ... | 06/05/2007 |
| 7213376 | Bracket for supporting structural element to support structure A bracket for supporting a structural element, such as a precast concrete beam, on a concrete pile or similar support structure in a building includes a first support part (1) which is cast at least partly into the concrete pile. The first support part (1 | 05/08/2007 |
| 7195437 | Tapping screw having function of holding female screw shavings The present invention provides a screw comprising a head and a threaded shank, wherein the shank is covered with a coating at least 60% of the length thereof from the end, the coating includes microcapsules that contain a viscous fluid with an appropriate level of v... | 03/27/2007 |
| 7192234 | Integral washer and threaded fastener assembly and method for making same An assembly of a threaded fastener and a stemmed washer is provided, such as for applications in which a standoff is desired between a washer and a mating threaded fastener. The stemmed washer includes a washer portion and a standoff portion extending from the washe... | 03/20/2007 |
| 7186127 | Nut seal assembly for coaxial connector An integrated seal assembly and a connector incorporating the seal assembly for connecting a coaxial cable to an externally threaded port. The seal assembly includes a bellows-type seal having an elastically deformable tubular body and a plurality of sealing surface... | 03/06/2007 |
| 7172380 | Wheel nut assembly A wheel nut assembly includes a stud (1), a main wheel nut (4) mountable on threads (3) provided on the stud, and a retaining nut (6) engageable with threads (5) provided on the stud to prevent accidental loosening of the wheel nut... | 02/06/2007 |
| 7037060 | Shrinkage compensator for building tiedowns An automatic, self-energized, length extending, take-up unit for general use in wall hold down systems. The take-up unit is generally installed as a separate element, independent of threaded retaining elements of a hold down system. One embodiment includes an intern... | 05/02/2006 |
| 7025176 | Bolt greaser unit A bolt greaser unit for lubricating the exposed top ends of anchor bolts that secure the base tower of wind generators to the foundation that is formed in the ground. The bolt greaser unit has a vertically oriented tubular housing having a base member secured to its... | 04/11/2006 |
| 7017952 | Fluid connector The present invention relates to a fluid connector, comprising a shaft having at least one solid shaft element and a plurality of connector surfaces, wherein the plurality of connector surfaces includes a surface with a plurality of threads and a plurality of groove... | 03/28/2006 |
| 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 |
| 6935825 | Wheel nut and fastening element The present invention relates to a wheel nut (10) having a nut body (11) with a widened radial collar (12) and a thrust washer (13) which is held rotatably and captively on the nut body (11) by a locking means (16), and havi... | 08/30/2005 |
| 6908273 | Security fixing for machine guard A releasable security fixing system comprising a bolt (3) having a head and a shank. A security nut (7) which is engageable threadingly with the shank of the bolt and a cupped collar (5) having a hole in the cupped end to fit over the shank of t... | 06/21/2005 |
| 6808347 | Tensioning nut to secure a disk-shaped tool A tensioning nut to secure a disk-shaped tool is threadable onto the threaded spindle of an electric tool, particularly an electric hand tool with run-out brake such as a right-angle grinder. The nut includes a nut body provided with a corresponding thread, with a c... | 10/26/2004 |
| 6729819 | Bolt lubricating device and method A friction reducing device comprises a stretchable thin film of elastomeric material impregnated or dusted with lubricating material. The thin film adheres to an annular member through which a fastener element having external threads can pass. ... | 05/04/2004 |
| 6604900 | Pierce nut A pierce nut having an inner cylindrical portion (2) provided centrally on an underside of a main nut body (1) and formed at an inner surface thereof with a female thread (3), an outer cylindrical portion (4) provided on a peripheral edge of an underside ... | 08/12/2003 |
| 6494658 | Corrosion-resisting protector cap A device for protecting threaded shafts and nuts against corrosion. The device covers and protects a nut and the exposed portion of a threaded shaft from corrosion found in harsh environments by holding grease in place over the nut and shaft.... | 12/17/2002 |
| 6435791 | Wheel fastener assemblies A fastener assembly includes (a) a fastening member that includes an out-of-round portion centered about a longitudinal axis and configured for engagement with a torque-transmitting tool, a frustoconical load-bearing surface that extends radially outwardl... | 08/20/2002 |
| 6273658 | Enclosure for protecting a lug and lug nut The present invention entails an enclosure that encompasses and protects a lug and lug nut extending from a wheel hub. Structurally, the enclosure comprises an end wall, a surrounding side, a snap on end cap, and a lug opening or port formed in the end wa... | 08/14/2001 |
| 6261041 | Clamping screw A clamping screw for holding a tool to a threaded shaft is provided with a body member having a threaded surface for engagement with the threaded shaft. A flange ring is disposed about the body member and clampingly engages the tool when the body is threa... | 07/17/2001 |
| 6164888 | Self-lubricating cap nut A lubricated wing nut device for attaching a cover plate to a container such as on a gravity tee of the type used for closing a discharge hopper of a tank transport vehicle. The lubricated wing nut inhibits corrosion and seizing of the bolt used in securi... | 12/26/2000 |
| 6135691 | Protective caps for bolts with nuts The present invention is directed to a protective device for a nut and bolt assembly which assembly is used to secure two or more parts together. The invention a tubular shaft member to protect the bolt and a tubular shaft or hemispherical body to cover t... | 10/24/2000 |
| 6095733 | Threaded fastener with determinable clamp load A threaded fastener for securing workpieces with a determinable desired clamp load and including a nut assembly and a bolt with the nut assembly including a nut member with a lock base having a load ring portion and a boss portion with the boss portion ad... | 08/01/2000 |
| 6007286 | Driving screw and a method for forming lubricating film thereon A feed screw including a screw shaft, a nut meshed with the screw shaft and a plurality of rolling members inserted between the screw shaft and the nut, wherein a solid film of a fluorine-containing polyurethane polymer is formed on any portions in rollin... | 12/28/1999 |
| 5902084 | Combined nut and flange fastener A fastener for securing an object to a threaded spindle comprises a nut portion and a flange portion rotatably connected so as to rotate independently. The fastener includes a bore therethrough having threaded and unthreaded regions, the threaded region f... | 05/11/1999 |
| 5895186 | Releasable barrier coating for chemical anchor bolt A chemical anchor bolt and cap assembly installable in a hole drilled in masonry for fastening an object thereto The threaded shank of the bolt and the hollow cap extending from its end are inserted into the hole, causing an uncured bonding agent deposite... | 04/20/1999 |
| 5871322 | Clamp screw A clamp screw for clamping a rotating member including a threaded member, a flange member axially movable with respect to the threaded member, and an operating ring for actuating the clamping screw. The clamp screw includes a ball screw transmission mecha... | 02/16/1999 |
| 5730568 | Anti-galling fastener A fastener member in the nature of a nut or bolt which bears against an external member which is softer than the fastener member including a body portion having first and second ends, a spin washer mounted on the first end of the body portion, internal an... | 03/24/1998 |
| 5611653 | Spindle having lubrication and nut retention means A spindle having a threaded end and a lubricated area spaced from the threaded end, the spindle having a first lubricant passageway extending from the spindle end and terminating adjacent the lubricated area and a second lubricant passageway communicating... | 03/18/1997 |
| 5564875 | Locking fastener A locking fastener (10) comprises a nut (12) having a threaded portion (14) formed about a central axis (16) of the fastener. A head portion (18) of the nut is formed integral to the threaded portion (14), for gripping the fastener during tightening or lo... | 10/15/1996 |
| 5564874 | Fastening element in the form of a fiber-reinforced ceramic screw and/or nut for ceramic components A fastening or connecting device for fiber-reinforced ceramics to be used in high temperature ranges is in the form of a screw that is manufactured of a ceramic material in the shape of a plate having fiber layers with fibers oriented parallel to the surf... | 10/15/1996 |
| 5533852 | Fastener bearing assembly A fastener bearing assembly for reducing the turning friction between a head of a fastener and an object to be fastened, for example, a vehicle wheel. The assembly comprises a first part having a first pressure transmitting surface and a second part havin... | 07/09/1996 |
| 5273384 | Thread protecting device The thread protecting device of the present invention includes a U-shaped clip with a hollow cylindrical cap mounted thereon. The clip includes spaced apart upper and lower legs defining a channel therebetween for receipt of a portion of a vehicle frame. ... | 12/28/1993 |
| 5232311 | Roof control system A roof control system for underground strata has an elongated bolt adapted for insertion into a hole bored into the underground strata. The bolt is securely anchored in the hole at a location where a significant length of the bolt remains between the open... | 08/03/1993 |
| 5221170 | Coated threaded fasteners This invention relates to threaded fasteners, an apparatus for making such threaded fasteners and methods of fastening parts. The tip of the shank of a threaded fastener has at least one thread coated with a lubricating or masking material to reduce the d... | 06/22/1993 |
| 5028093 | Protective lubricating cap A protective cap for wheel nuts of a truck or other vehicle comprises a hollow thimble of rubber or like material having a pad containing at the closed end of the thimble.... | 07/02/1991 |
| 4986712 | Fastener assembly A flanged nut is received by a cup washer which is slightly larger than the flanged nut to allow rotation of the nut relative to the washer. The cup washer is deformed (staked) to capture the nut about its flanged periphery. The nut is designed to rotate ... | 01/22/1991 |
