| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 052223800 | Beam, girder, or truss construction | 17 |
| 20080302034 | TWO-WAY PRE-STRESS SYSTEM AND BENDING DEVICE THEREFOR - Disclosed is a two-way pre-stress system for applying pre-stress to a member of a structure by a pre-tendon method, the system comprising: a mold for forming the member, the mold having a concrete pouring space; a supporter installed outside the mold; at least one horizontal tendon installed in the mold in a horizontal direction; a horizontal tendon settling device installed at the supporter, for settling the horizontal tendon in the mold; at least one vertical tendon installed in the mold in a vertical direction; a vertical tendon settling device installed at the supporter, for settling the vertical tendons in the mold; and a bending device installed at the supporter and combined with at least one of the vertical tendon, for forming a bent portion in at least one vertical tendon in a deep portion of the member. | 12-11-2008 |
| 20100101163 | MODULAR ELEMENTS FOR STRUCTURAL REINFORCEMENT - A structural element made of a composite material includes a plurality of modular cells disposed within the composite material that have tensile elements that create axially directed tension anchoring elements attached to the tensile elements that create compression with anchoring elements of proximate modular cells. The modular cells may be disposed randomly or in a patterned manner within the composite material. A stackable structural cell facilitates more efficient creation of beams or columns and can include rebar for some of the tension elements that are axially arranged. Additionally, modular cells and/or supported capsules may be added to increase tension and/or decrease mass or weight of the beam or column. The structural cell can further include a boundary layer for containing the composite material prior to hardening. | 04-29-2010 |
| 20100229482 | Connecting Structure - The present invention relates to a connecting structure including: a node member having an accommodating space formed therein; a lower truss member disposed penetratingly at the lower portion of the node member, the lower truss member being made of a material with tension and compression-resistant rigidity and having a predetermined length; an upper truss member disposed penetratingly at the upper portion of the node member in such a manner as to be spaced apart from the lower truss member, the upper truss member being made of a material with tension and compression-resistant rigidity and having a predetermined length; and a filler adapted to be filled in the node member in such a manner as to be initially injected in a fluid state into the accommodating space of the node member so as to surround the lower truss member and the upper truss member, and then to be hardened as time elapses so as to rigidly couple the lower truss member and the upper truss member therewith. | 09-16-2010 |
| 20110232216 | BEAM HAVING INTERNAL TENSIONING AND METHODS - A structural support member is provided. The structural support member includes a tensioning mechanism for applying a preload to a beam member of the structural support member. The tensioning mechanism acting on a loading pin causing the beam member to bend. | 09-29-2011 |
| 20120240498 | TRAFFIC SIGNAL SUPPORTING STRUCTURES AND METHODS - The embodiments presented herein include systems and methods for mitigating fatigue and fracture in mast-and-arm supporting structures caused by wind and other excitation forces. In particular, the embodiments presented herein utilize pre-stressed devices to reduce tensile stresses in arm-to-mast connections and/or mast-to-foundation connections of the traffic signal supporting structures. Present embodiments may employ stressed cables, post-tensioned bars (e.g., DYWIDAG bars), threaded rods, and so forth, to mitigate fatigue and fracture in the traffic signal supporting structures. | 09-27-2012 |
| 20130097947 | STEEL STRUCTURE INCLUDING PRE-STRESSING BRACKETS FOR IMPROVING LOAD-CARRYING CAPACITY AND SERVICEABILITY - A steel structure including pre-stressing brackets for improving load-carrying capacity and serviceability comprises: a steel girder; a plurality of connecting brackets connected to the bottom surface of the steel girder spaced and apart from one; and a cover plate connected to the bottom surfaces of the connecting brackets. Since the cover plate is installed regardless of the connecting portion of the steel girder, pre-stressing section can be consecutively formed therefore pre-stress effect is improved. Moreover, since the connecting brackets space the cover plate a constant distance from the steel girder, the moment of inertia is increased so the span of a bridge might be increased. | 04-25-2013 |
| 20130232895 | ANCHORING THE ENDS OF TENSION MEMBERS ON REINFORCED CONCRETE BEAMS - The disclosure relates to a device for anchoring the ends of tension members made of fiber-reinforced plastic flat strip lamellas on reinforced concrete beams that have a connecting piece and a flange with a horizontal flange lower face, two flange lateral faces, and two upper faces that run from the flange lateral faces to the connecting piece. A base plate can be positioned on the flange lower face in a horizontal manner, and at least one lateral part can be positioned along at least one flange lateral face in a vertical manner. | 09-12-2013 |
| 20130291463 | EVAPORATIVE PATTERN FOR CASTING AND CASTED PRODUCT - An evaporative pattern having a high strength is provided. An evaporative pattern | 11-07-2013 |
| 20140090317 | Wooden Member Assembly - Wooden member to be easily joined to another member, with good appearance of decreased size fixation structure for tensile member to improve the load bearing performance. Metal screw members including cylindrical shaft portions having an axial direction through hole and blade spirally protruding from the shaft portion are axially threaded into wooden member at two locations. Groove or hollow hole is between the two screw members, and steel rod extends from the through hole of one of the screw members through the groove or hollow hole into the through hole of the other. Both ends of the steel rod with tensioning force are locked to the screw member by nuts. Cutout recesses are formed in the wooden member, and the screw members are threaded into the wooden member through the recesses and the steel rod is locked to the screw members. | 04-03-2014 |
| 20150013252 | COMPOSITE GIRDER PARTIALLY REINFORCED WITH CARBON FIBER REINFORCED POLYMER - The composite girder partially reinforced with carbon fiber reinforced polymer is a composite steel-concrete beam partially reinforced with a sheet of carbon fiber reinforced polymer bonded to a concrete slab secured to a flange of the steel beam by shear studs, the sheet of CFRP extending across the length and width of the negative moment region of the beam. The negative moment region may be centered about a point of interior support of the composite steel-concrete beam. The carbon fiber reinforced polymer may have a thickness of about 0.25 mm. | 01-15-2015 |
| 052223900 | Composed of abutting sections | 3 |
| 20080250737 | Extruded Structural Beam - An extruded structural beam having a first member comprising rigid webbing interposed between a top flange and bottom flange. The top and bottom flanges of the first member each have a groove formed thereon for receiving a spline to secure screening material. Similarly, a second member having rigid webbing interposed between a top flange and bottom flange have a groove formed on the flanges for receiving a spline to secure screening material. The top and bottom flanges of both the first member and second member each further comprise opposing longitudinal channels for coupling the flanges so that a rectangular structural beam is formed. The outer surfaces of the flanges each further comprise a longitudinal slot so that a plurality of fasteners can be installed, through the longitudinal slots and flanges to secure the first member and second member together. | 10-16-2008 |
| 20090019799 | Modular load-bearing beam and shelter, in particular for a swimming pool, incorporating said beam - A beam for a shelter that can cover an area ( | 01-22-2009 |
| 20160160504 | STRUCTURAL FRAME - A structural frame includes a plurality of members formed from fibre reinforced polymer. A pair of the members are arranged to engage one another at a first joint. The joint includes a notch that is provided in an outer surface of the first member of the pair of members and which is arranged to receive an end portion of the second member of the pair of members. | 06-09-2016 |
| 052223110 | Connecting adjacent ends of monolithic beam or girder | 3 |
| 20080295424 | Tower module, system and method - A tower module, tower module structures and related methods are provided for use in construction support structures. The tower module includes vertical support members, and horizontal members rigidly attached between the vertical members to provide a box-like structure. The box-like structure has a top end portion and a bottom end portion. The top end portion includes a first portion of a connection interface, and the bottom end portion includes a second portion of a connecting interface. The top portion of a first tower module is adapted to receive and connect to the bottom portion of a second tower module for forming a column. | 12-04-2008 |
| 20090064610 | Segments for building spliced prestressed concrete grider and method of manufacturing the segments - Provided are segments of a spliced prestressed concrete girder, which have improved structural integrity at joints, and a method of manufacturing the segments. The method of manufacturing the segments, which are combined to build the spliced prestressed concrete girder, includes: manufacturing one or more joint blocks, each having a first end that has a shear key and is to be spliced to an end of an adjacent segment and having a second end that is bonded to a segment body of the segment; and manufacturing the segment body by using the one or more joint blocks as one or more ends of a formwork in which the segment body is to be made and by casting and curing concrete in the formwork, wherein the one or more joint blocks are fixedly bonded to one or more ends of the segment body in the manufacturing of the segment body. | 03-12-2009 |
| 20110011018 | MODULAR CONSTRUCTION MOLD APPARATUS AND METHOD FOR CONSTRUCTING CONCRETE BUILDINGS AND STRUCTURES - A modular steel-framed construction mold apparatus comprised of a plurality of contiguous foundation, cavity wall and roof deck void spaces defined and formed by assemblies of interlocking encasement panels and connectors integrally attached to a structural steel grillage for accepting, containing, and shaping wet concrete fill, a method for forming, casting, and encasing monolithic composite concrete and steel buildings and structures in situ using said mold apparatus, and a permanently encased monolithic composite concrete and steel structure constructed by employing the foregoing modular mold apparatus and method of concrete construction. The structural steel grillage supports the encasement assemblies before and during the casting process, becoming fully embedded within the cast concrete, and provides tensile strength complementing the compressive strength of concrete fill. The panelized encasement assemblies remain in place following casting protecting and insulating the resulting composite concrete and steel buildings and structures. | 01-20-2011 |
| 052223120 | Homogenous design (e.g., all metal) | 1 |
| 20090113827 | Metal construction member - A metal construction member is disclosed in which the main body is fabricated from a high yield steel sheet which has a thickness dimension of about 0.015 inches to about 0.045 inches, and a yield strength of about 57 ksi to about 65 ksi, and has a cross sectional shape which imparts increased strength to the metal construction member. | 05-07-2009 |
