Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 8141307 | Hybrid composite beams and beam systems The present application includes disclosure of various embodiments of composite construction beams and beam systems. In at least one exemplary embodiment of a composite construction beam of the present disclosure, the beam comprises an elongated shell having a lengt... | 03/27/2012 |
| 7895799 | Hybrid composite beam and beam system The present application includes disclosure of various embodiments of composite construction beams and beam systems. In at least one exemplary embodiment of a composite construction beam of the present disclosure, the beam comprises an elongated shell having a lengt... | 03/01/2011 |
| 7748180 | Joist stiffening system A system for stiffening members such as joists, beams, trusses, and other like supporting members, the system affected by pre-tensioning. The system is offered in a plurality of embodiments for various applications provided little or no clearance below members. A co... | 07/06/2010 |
| 7654047 | Expandable form for mixed-capsules foam structural member A method for forming an expandable member is provided. The method including: expanding a covering to define a cavity; and expanding foam in the cavity in an expansion direction to expand the covering into a predetermined shape. ... | 02/02/2010 |
| 7562499 | Hybrid composite beam system A construction beam useful for building bridges, commercial or industrial buildings, or the like has an elongated shell with an interior volume. A conduit lies within the interior volume of the beam that has profile extending along a longitudinal direction of the be... | 07/21/2009 |
| 7546712 | System of stacked concrete blocks, each block having a tire wall stack therewithin surrounding a hollow core through which a vertical reinforcing member extends and reinforcing bars in mortar in void between adjacent blocks An article of manufacture for building concrete structures from precast blocks and the process for making the structural system. The block comprises one or more annular tire wall stack units embedded in reinforced concrete. Prestressing and/or post-tensioning struct... | 06/16/2009 |
| 7441692 | Method and structure for I-beam end geometry stabilization A method for stabilizing, in correctness, the transverse cross section of the end of an elongate structural beam during weld attachment to that end of a beam-end mounting component. This method includes the steps of (a) configurationally correcting and capturing the... | 10/28/2008 |
| 7421825 | Doubly prestressed roof-ceiling construction with grid flat-soffit for extremely large spans A doubly prestressed roof-ceiling construction with grid flat soffit for extremely large-span is a prefabricated element intended for assembling roofs of extremely large-span buildings with a flat soffit. The construction includes a grid soffit construction and an u... | 09/09/2008 |
| 7351008 | Floating barrier units A number of individual barrier units form a floating barrier wall each comprising a housing formed in the general shape of a highway barrier having a top wall, a bottom wall, opposed end walls, and, opposed side walls interconnected to form a hollow interior which i... | 04/01/2008 |
| 7305802 | Floor squeak eliminator and floor joist stiffening apparatus A floor squeak eliminator and floor joist stiffening apparatus, comprising a longitudinal member for extending along a length of a joist, fasteners for attaching each end of the longitudinal member to the joist, and mechanism for pre-tensioning the longitudinal memb... | 12/11/2007 |
| 7296385 | Method of installing tension members on supporting structures, and apparatus for performing the method Pre-stressed, strip-type tension members are applied to supporting structures, especially concrete supporting structures. To this end, a clamping device is used to pre-stress the tension member at least at one end, at a distance from the surface of the supporting st... | 11/20/2007 |
| 7293972 | Mold for molding electric wire protection cap The mold for molding an electric wire protection cap includes an outer mold and an inner mold for forming a cap body of the electric wire protection cap, the inner mold including a first mold member and a second mold member, the first mold member including a project... | 11/13/2007 |
| 7281357 | Prefabricated components for making floor slabs, floors and walls with exposed wood beams for small buildings Prefabricated components for making floor slabs, floors and walls with exposed wood beams for small buildings comprising laminated panels with at least two mutually opposite edges that are affected by longitudinal grooves; laminated wood beams being provided in an u... | 10/16/2007 |
| 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 |
| 7275347 | Post-tension anchor seal cap An anchor for engagement with a post-tension tendon includes an anchor base having a generally tapered wedge receiving bore. A sheath surrounds the anchor base. The sheath has a substantially cylindrical extension on one side of the anchor base for contacting the te... | 10/02/2007 |
| 7234280 | Device for anchoring prestressing reinforcements The anchoring device, for anchoring at least two reinforcements for prestressing a civil engineering works structure, has a block through which there pass at least two pairs of anchoring orifices arranged symmetrically on each side of a mid-plane of the block. The t... | 06/26/2007 |
| 7216467 | Column to structure attachment device A column to structure attachment device and method is disclosed for securing a support column between a base structure and a beam structural member. The device includes a structural column having a first end and a second end with a void parallel to a longitudinal ax... | 05/15/2007 |
| 7215995 | Method and device for treating osteoarthritis and cartilage disease, defects, and injuries in the human hip A method of determining the voltage and current required for the application of specific and selective electric and electromagnetic signals to diseased articular cartilage in the treatment of osteoarthritis, cartilage defects due to trauma or sports injury, or used ... | 05/08/2007 |
| 7207149 | Anchor and method for reinforcing a structure Anchor 10 for reinforcing a structure against displacement forces and a method of installation includes drilling a borehole 50 in an anchor medium 110 adjacent the structure A length of roving 21 composed of filaments 24 is doubled... | 04/24/2007 |
| 7175894 | Photo-curing hollow structure The present invention comprises a fluid-injectable internal bag layer, a base-material layer superposed on an external periphery of the internal bag layer and impregnated with a photo-curing resin, and an outer layer superposed on an external periphery of the base-m... | 02/13/2007 |
| 7174685 | Pocket former for post-tension anchor An apparatus and method for reducing corrosion in post-tension construction is described. An anchor is engagable with a post-tension tendon and comprises an anchor base and sheath engaged with the anchor base, and a cap for sealing the portion of the tendon within t... | 02/13/2007 |
| 7141137 | Method of making laminated wood beams with varying lamination thickness throughout the thickness of the beam A method of forming a laminated beam includes assembling a plurality of individual wood laminations in a juxtaposed relationship, and joining the assembled laminations together to form a laminated beam. The assembled laminations define a tension zone of individual w... | 11/28/2006 |
| 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 |
| 7104017 | Box girder structure for bridge provided with outer cable and method of building the box girder Outer cables disposed in a box girder in the longitudinal direction of a box girder bridge to prestress the box girder each have a transparent sheath made of a transparent polyethylene resin, vinyl chloride resin, polypropylene resin or the like, thereby allowing th... | 09/12/2006 |
| 7051917 | Beam end weld preparation Preparation of a weld between a structural I-beam end and a beam-to-column attaching end component wherein no beam flange material is removed to participate in the creation of a weld trough. Instead, the space for a weld trough is created in the end component, and t... | 05/30/2006 |
| 7047704 | Method for designing and fabricating multi-step tension prestressed girder In a method for designing a multi-step tension prestressed girder, prestress is appropriately introduced with respect to a relationship between a load and stress, for each step of construction, so that the height of a profile of the girder can be reduced. In a metho... | 05/23/2006 |
| 7040069 | Long-span transition beam An elongate, long-span transition beam employable between columns in a building frame structure. This transition beam includes (a) an elongate central portion having one, principal cross-sectional vertical depth, and (b) joined to the opposite ends of the central po... | 05/09/2006 |
| 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 |
| 7007430 | Method for impeding transverse relative displacements of a pipe and at least one cable A method impedes transverse relative displacements of a pipe (2) and at least one cable (3) which extends in this pipe (2), and doing so with a certain transverse play (4). The method has the steps of: selecting at least one portion (8... | 03/07/2006 |
| 6973755 | Column to structure attachment device A column to structure attachment device and method is disclosed for securing a support column between a base structure and a beam structural member. The device includes a structural column having a first end and a second end with a void parallel to a longitudinal ax... | 12/13/2005 |
| 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 |
| 6957519 | Construct for buildings and a method for manufacturing the same A construct for buildings includes a steel pipe member and reinforcing elements provided in a hollow portion of the interior of the steel pipe member to cross the interior of the steel pipe member in the longitudinal direction. Inserting holes for the reinforcing el... | 10/25/2005 |
| 6922969 | Arrangement for configuring building elements An improved arrangement to configure construction components consisting of the combination of metal and plastic to obtain a product with more mechanical properties than those of the separate materials, constituted by an internal metal structure covered by a plastic ... | 08/02/2005 |
| 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 |
| 6892502 | Space frame support structure employing weld-free, single-cast structural connectors for highway signs A space frame support structure for highway signs comprises upper and lower chord members; a plurality of weld-free, single-cast connectors attached to and spaced along the respective length of the chord members; a plurality of diagonal members disposed between the ... | 05/17/2005 |
| 6892410 | Reinforcement structure of truss bridge or arch bridge Through co-action between auxiliary triangular structural frames, which are each constructed at opposite ends of a truss girder or arch girder, and a cable stretched between the auxiliary triangular structural frames, an upwardly directed force is exerted to the tru... | 05/17/2005 |
| 6862854 | Single-piece continuity tie A one-piece connecting member is provided that bridges or spans a beam disposed between two aligned structural members. A tunnel is formed in the beam to receive a connecting member. The connecting member attaches directly to both of the opposed structural members b... | 03/08/2005 |
| 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 |
| 6829866 | Wooden beams with sections that are subjected to transversal tension A wooden beam (1) has several sections which are subjected to a transversal tension and which affect in particular the areas in which there are recesses or openings (3). Rod-shaped elements are provided in the form of screws (4) which are introd... | 12/14/2004 |
| 6751821 | Prestressed concrete girder of adjustable load bearing capacity for bridge and adjustment method for load bearing capacity of bridge A prestressed concrete girder having an adjustable load bearing capacity includes a concrete girder including an upper flange, and at least one non-attached steel wire installed in the upper flange of the girder and extending in a lengthwise direction of the girder.... | 06/22/2004 |
