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| Number | Title | Issue Date |
| 7305799 | Bearing brace apparatus A brace apparatus having a core member adapted to absorb energy by undergoing plastic deformation and a buckling restraining assembly that maintains the structural integrity of the brace apparatus once the core member has undergone plastic deformation. A core member... | 12/11/2007 |
| 7288307 | Hybrid laminated fiber sheets Hybrid laminated unidirectional fiber sheets, and assemblies thereof, having utility for impact absorption, ballistic-resistance, penetration-resistance, spall shields, structural composites and for other applications. ... | 10/30/2007 |
| 7284354 | Upper beam slab bolster with extruded plates A bolster for use in construction has a beam, a first plurality of leg members on one side of the beam, a second plurality of leg members on an opposite side of the beam, a first plate having a receptacle on one side thereof and a second plate having a receptacle on... | 10/23/2007 |
| 7284358 | Methods of manufacturing bearing brace apparatus The present invention is directed to a brace apparatus having a core member configured to absorb energy generated by seismic or other forces by undergoing plastic deformation. A buckling restraining assembly is included for maintaining the structural integrity of th... | 10/23/2007 |
| 7275348 | Precast, prestressed concrete truss A precast, prestressed concrete truss which spans between exterior columns and forms an interior or exterior load bearing wall of a building. The truss includes top and bottom chords interconnected by at least one web member. Prestressed reinforcing members in the t... | 10/02/2007 |
| 7213379 | Engineered structural members and methods for constructing same A system and method of manufacture providing reinforced structurally functional load-bearing members, including but not limited to using thermoplastic materials, such as High Density Polyethylene (HDPE), reinforced such as with an aluminum alloy or carbon fiber core... | 05/08/2007 |
| 7174680 | Bearing brace apparatus The present invention is directed to a brace apparatus having a core member configured to absorb energy generated by seismic or other forces by undergoing plastic deformation. A buckling restraining assembly is included for maintaining the structural integrity of th... | 02/13/2007 |
| 7171787 | Rectangular tilt-up concrete tank construction A rectangular tilt-up concrete tank includes a concrete slab with a metal plate anchored thereto, the metal plate defining at least one substantially linear concrete side wall location. A plurality of preformed concrete side panels each having metal plates attached ... | 02/06/2007 |
| 7107730 | PSSC complex girder A PSSC complex girder in which a section shape steel structure is formed by joining one or more section shape steel. The PSSC complex girder includes a tension means for tensioning the section shape steel structure with a tensional member so that the structure has a... | 09/19/2006 |
| 7010890 | Precast, prestressed concrete truss A precast, prestressed concrete truss which spans between exterior columns and forms an interior or exterior load bearing wall of a building. The truss includes top and bottom chords interconnected by at least one web member. Prestressed reinforcing members in the t... | 03/14/2006 |
| 6966159 | Flat soffit, doubly prestressed, composite, roof-ceiling construction for large span industrial buildings A prestressed, roof-ceiling construction with flat-soffit for constructing an industrial large-span building with a bearing plane-space by assembling pre-fabricated elements. A problem of constructing flat-soffit, finished ceilings in large-span buildings is solved ... | 11/22/2005 |
| 6915615 | Prestressed composite truss girder and construction method of the same The present invention relates to prestressed composite truss girder and construction method of the same. The prestressed composite truss girder of the present invention comprises a concrete bottom plate having structure of composite truss; a lower-chord member being... | 07/12/2005 |
| 6851232 | Reinforcement device for supporting structures The ends of carbon plates reinforcing supporting elements, such as concrete beams, are divided into at least two splines having approximately the same thickness and are glued in the appropriate retaining slots of a terminal element. The splines form an angle in rela... | 02/08/2005 |
| 6807789 | Steel-concrete composite beam using asymmetric section steel beam Disclosed is a steel-concrete composite beam. The steel-concrete composite beam has an asymmetric I-section steel member having an upper flange, a lower flange and a web. The web is formed with at least one opening at a predetermined interval. The upper flange has a... | 10/26/2004 |
| 6799406 | Bolted metal joist and method of manufacturing the same A joist (10) comprises an upper chord (12), a lower chord (14) and a plurality of compression and tension webs (16/18) extending between the chords (12/14) and secured thereto by means of bolts (50). A single bolt (50... | 10/05/2004 |
| 6763646 | Method and element for introducing shear forces into a concrete body, and concrete body In an element (40b) for introducing shear forces into a concrete body a loop element (43b) is arranged on a shear force mandrel (41b), which loop element has an arc section (47b) in proximity to the surface of ... | 07/20/2004 |
| 6684596 | Structural elements Compressive and tensile structural elements having an enclosure with walls surrounding a cavity. A non-compressible material is disposed in the cavity. The walls are shaped such that a force tending to compress or elongate the element by a first deflectio... | 02/03/2004 |
| 6584745 | Floor construction comprising joists provided with level adjusting spacer screws, joists and spacer screws therefor A building construction for floors including joists that have vertical, threaded, through-running holes for level-adjusting spacer screws, which protrude from the joist on its underside for adjusting the top side of the joist to a desired level, an elasti... | 07/01/2003 |
| 6581343 | Prefabricated girder in two halves and roof structure The invention concerns a girder in reinforced concrete that has a flat intrados (11) and a flat or sloping extrados (12), which consists of two symmetrical halves or girders (13, 14) with adjacent parts that meet in a plane mid-way (15), perpendicular to ... | 06/24/2003 |
| 6560938 | Box lintel A box lintel includes an elongated, hollow metal form with a lower wall, integrally formed side walls extending upwardly therefrom, and integrally formed partial upper walls extending inwardly from the side walls. A method of fabricating a box lintel is a... | 05/13/2003 |
| 6420014 | Z-shaped sheet piling This invention is directed to an improved Z-shaped sheet piling (15). In the preferred embodiment, the piling has a first flange (16), a web (19), a second flange (18), a section modulus of at least about 25 in.3 /ft., a weight of less than abo... | 07/16/2002 |
| 6385940 | Method and apparatus for strengthening/restoring a reinforced/prestressed concrete structure A reinforced or prestressed concrete structure is strengthened and/or restored by attaching a strip-shaped tensional member thereto. Prior to attaching the tensional member, a central portion thereof is prestressed. Then, the tensioned central portion is ... | 05/14/2002 |
| 6370833 | Structural elements Compressive and tensile structural elements having an enclosure with walls surrounding a cavity. A non-compressible material is disposed in the cavity. The walls are shaped such that a force tending to compress or elongate the element by a first deflectio... | 04/16/2002 |
| 6363682 | Lumber structural enhancer A lumber structural enhancer of unitary, one-piece and integral construction is adapted for use with an axially extending beam of wood, the beam being of substantially rectangular cross-section and having a pair of opposing sides and at least one bight co... | 04/02/2002 |
| 6341456 | Long-span in-situ concrete structures and method for constructing the same A long-span structure formed in-situ and extending between supporting structures includes at least two form supports extending between the supporting structures. Each end of the form support includes a bearing plate coupled to the adjacent supporting stru... | 01/29/2002 |
| 6219988 | Wrapping system for strengthening structural columns or walls A method of reinforcing a substantially vertical support structure comprising the steps of: wrapping at least one sheet of resin impregnated high strength fiber around the support structure to form a multi-layer wrap, and then interposing a substantially ... | 04/24/2001 |
| 6112410 | Methods for fabricating a structural beam A method for fabricating a structural beam having a cross-sectional profile. First portions of the profile being in compression and second portions of the profile being in tension due to a loading force. The beam also having compressive and tensile struct... | 09/05/2000 |
| 6101781 | Beam structure and constructions using the same A beam structure designed to be subjected to at least one bending load defining therealong an envelope curve of bending moments (C1, C2) comprising at least one first portion in which the bending moments are of a first sign, at least... | 08/15/2000 |
| 6052962 | Dowel support for bent-up reinforcement bars and process for the production thereof A studrail for shear reinforcement for reinforced concrete slabs is composed of a spacing rail (5) and a plurality of studs (6) which are arranged in parallel at a certain distance and provided with enlarged dish-like anchor heads (8) at both ends. The sp... | 04/25/2000 |
| 6054197 | Structural elements Compressive and tensile structural elements are disclosed having an enclosure with walls surrounding a cavity. A non-compressible material is disposed in the cavity. The walls are shaped such that a force tending to compress or elongate the element by a f... | 04/25/2000 |
| 5867960 | Dowel member for reinforcing concrete structures A dowel member for reinforcing concrete structures includes a metal strip and a plurality of dowels projecting perpendicularly from the strip. Each dowel includes a dowel shank welded at one of its ends to the strip, and a dowel head disposed at the other... | 02/09/1999 |
| 5770276 | Composite filled hollow structure A filled hollow structure, such as a fence post, which is constructed with a hollow member filled with a core to increase its strength. One aspect of the structure is that the core material normal expands upon setting, so that, when hardening within the h... | 06/23/1998 |
| 5655349 | Stud-through reinforcing system for structural concrete A reinforcing assembly for use in structural concrete members, such as slabs, footings, raft foundations, beams, walls and columns, has at least one reinforcing stud having an elongate stem and an anchor head at least at one end of the stem for anchoring ... | 08/12/1997 |
| 5617685 | Method and apparatus for increasing the shear strength of a construction structure In order to strengthen an elongated or a two-dimensional bearing construction structure (1) against shear forces, at least one pre-stressing means (11) is mounted in a slack or pre-stressed manner on or in the structure cross-section (4) to generate a pre... | 04/08/1997 |
| 5560176 | Prefabricated steel-concrete composite beam The invention relates to a prefabricated steel/ concrete composite beam arranged to act together with concrete as a load-bearing composite structure for various slab assemblies and having two web portions (1) and horizontal projecting flange portions (2) ... | 10/01/1996 |
| 5471812 | Method for fabricating pretensioned concrete structures A novel method for fabricating pretensioned concrete structures includes the steps of: (a) arranging one or more cables between a first anchoring station and a second anchoring station; (b) tensioning the cables between the anchoring stations at a selected ... | 12/05/1995 |
| 5317856 | Composite structure of wood and reinforced concrete, a composite girder and a dome shaped load bearing structure including such composite structure The composite structures are composed of wooden members such as girders of laminated wooden boards and members of reinforced concrete such as a plate of reinforced concrete which form for instance a composite load supporting structure designed as pedestri... | 06/07/1994 |
| 5184439 | Prestressed ligthweight panel A prestressed lightweight panel is disclosed having a face sheet under tension in the longitudinal direction and reinforcing members attached to the rear side of the face sheet for locking in that tension. The panel may be rectangular and may include side... | 02/09/1993 |
| 5152112 | Composite girder construction and method of making same A girder comprises a web of reinforced concrete with steel plates attached to opposite sides of the web to form flanges which project from the web. The steel plates are attached to the web by means of studs. The web is cast in position between the plates ... | 10/06/1992 |
| 5125200 | Built-up support member A built-up support member for carrying bending loads is used in building construction. The support member is formed of two separate elements (1, 2), one superimposed on the other. The separate elements absorb normal forces caused by bending loads. One of ... | 06/30/1992 |