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| Number | Title | Issue Date |
| 6688071 | Concrete structure comprising anchor rods and anchor rod An anchor rod having at least one section provided with ribs or other raised portions or profiling and a threaded section at one or both ends, and having a variable transition section between the threaded section(s) and the profiled section; and a method ... | 02/10/2004 |
| 6612085 | Reinforcing bars for concrete structures Reinforcing bars for concrete structures, are made from a composite of a depolymerizable and repolymerizable thermoplastic resin and longitudinally oriented reinforcing fibers. These reinforcing bars provide excellent tensile reinforcement, and do not exh... | 09/02/2003 |
| 6298705 | Method and apparatus for rolling concrete reinforcing elements Round bars are successively rolled through first and second roll passes. Each roll pass is defined by a pair of work rolls having cylindrical rolling surfaces with notches therein extending transversely and obliquely with respect to the rolling line, and ... | 10/09/2001 |
| 6286270 | Bar anchor and method for reinforcing steel in concrete construction An anchor used in concrete construction serves both as a bar termination and as a transition or starter bar anchor for use between pours or at forms for poured-in-place construction, or at the surfaces of precast elements. The anchor includes a core and i... | 09/11/2001 |
| 5966895 | Non-corrosive reinforcing member having bendable flanges Non-corrosive concrete reinforcing members are formed by pultruding reinforcing fibers through resin to produce an elongated core and a plurality of elongated flanges extending radially outward from the core. A slot is formed through a portion of the elon... | 10/19/1999 |
| 5950393 | Non-corrosive reinforcing member having bendable flanges Non-corrosive concrete reinforcing members are formed by pultruding reinforcing fibers through resin to produce an elongated core and a plurality of elongated flanges extending radially outward from the core. A slot is formed through a portion of the elon... | 09/14/1999 |
| 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 |
| 5727357 | Composite reinforcement Composite reinforcements (100, 100A, 100B, 100C) are formed by combining a first plurality of continuous fibers (102) with a second plurality of continuous fibers (106) with the first and second pluralities of continuous fibers (102, 106) being impregnate... | 03/17/1998 |
| 5611190 | Metal rod and a method for manufacturing same The invention relates to metal rod with a substantially round cross section comprising at least six rows of ribs arranged in the surface spread over the periphery, the surface of which is preferably provided with six rows of ribs and the ribs of at least ... | 03/18/1997 |
| 5152118 | Couplings for concrete reinforcement bars The threaded end of a concrete reinforcement bar is enlarged in diameter so that the thread bottom exceeds the diameter of the surface ribs of the rebar. A coupler sleeve can then be advanced past the end threading and over the rib area, until the rebar e... | 10/06/1992 |
| 5050366 | Reinforced laminated timber Composite structural timber which is reinforced with deformed metal bars. The timber comprises a plurality of wooden laminations bonded together by a resin adhesive. There are at least two longitudinally extending metal bars. One bar is located near one l... | 09/24/1991 |
| 5038545 | Reinforcing steel rod with improved reverse bendability A reinforcing steel for use particularly in reinforcing connections. The steel including ribbing and/or shaping along its surface to allow for bonding in concrete, but also including portions where the surface is free of ribbing and/or shaping at points w... | 08/13/1991 |
| 4899515 | Concrete reinforcing bar support A horizontally extending reinforcing bar having a central core in transverse cross-section exhibiting at least three radial fins projecting outwardly symmetrically from the center of the bar to its outer edge. Each pair of adjacent fins define a valley be... | 02/13/1990 |
| 4791772 | Concrete reinforcing bar support A horizontally extending reinforcing bar having a central core in transverse cross-section exhibiting at least three radial fins projecting outwardly symmetrically from the center of the bar to its outer edge. Each pair of adjacent fins define a valley be... | 12/20/1988 |
| 4619096 | Rebar splicing and anchoring Rebars to be embedded in a monolithic concrete structure are spliced together; also deformed rebars are spliced together across an expansion joint or construction joint between two or more monolithic concrete pours in that one rebar is provided with a thr... | 10/28/1986 |
| 4592184 | Composite floor system A composite floor system includes a plurality of joists, each having a top and bottom chord and a web in the space between the chords. The top chord is formed with a pair of horizontally extending legs and at least one vertical leg. The top of the web is ... | 06/03/1986 |
| 4417427 | Method and apparatus for damping vibrations in large structures, such as buildings A large structure such as a building is damped by reinforcing steel rods or bars which are divided into segments which are, at least partially, decoupled from one another in their force or load transmitting capacity. Additionally, the steel segments are e... | 11/29/1983 |
| 4137686 | Steel rods with hot rolled ribs formed in a partial spiral Steel rods are formed, by hot rolling, with at least three (preferably four) series of ribs extending along the length thereof. The ribs are all formed to extend along a spiral line along the surface of the rods and are so constructed that any cross-cut t... | 02/06/1979 |
| 4114344 | Concrete reinforcement splice with location tab An improved clamp and method for forming a rebar joint in a vertical reinforced concrete body. A split-sleeve type clamp with contraction means for firmly closing it around the engaged end portions of a dowel rebar and extension rebar has a location tab s... | 09/19/1978 |
| 4092814 | Reinforcing rod A reinforcing member, especially suitable for anchoring to the earth or to a rock, is made up of two or more separate rods which are shaped to fit together to provide a unit with a generally round cross-section and with spiral ribs on the outer surfaces o... | 06/06/1978 |
| 4056911 | Steel bar for concrete reinforcement having a non-circular cross-section A steel bar for concrete reinforcement has a non-circular cross-section which comprises two sets of transverse ribs disposed respectively at diametrically opposite surface portions of the core of the steel bar, each set consisting of a number of transvers... | 11/08/1977 |
