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| Number | Title | Issue Date |
| 7967528 | Dowel sleeves A dowel sleeve has a tubular body with a mounting assembly at one end for releasable connection to a construction plate, and a leg support engagable at the other end for adjustable support. The construction plate has spaced non-circular holes. A first flange of the ... | 06/28/2011 |
| 7736088 | Rectangular load plate A generally rectangular load plate for transferring loads between a first cast-in-place slab and a second cast-in-place slab separated by a joint. The load plate being adapted to transfer load between the first and second slabs directed essentially perpendicular to ... | 06/15/2010 |
| 7632037 | Dowel apparatus and method A dowel includes a corrosion-resistant sleeve, and a rod positioned within the sleeve. A sealant connects the corrosion-resistant sleeve and the rod. A method for constructing a dowel includes positioning a rod within a corrosion-resistant sleeve, and sealing the ro... | 12/15/2009 |
| 7604432 | Plate concrete dowel system A disc dowel system is interposed between adjacent first and second concrete pours defining a pour joint therebetween. The disc dowel system comprises a pocket former having a rib insert disposable therewithin for engaging the sides of a dowel plate. The pocket form... | 10/20/2009 |
| 7441985 | Method and apparatus for providing a dowell connection to maintain cast-in-place concrete slabs in alignment First and second cast-in-place concrete slabs are maintained in alignment by cutting a semi-circular groove in an edge surface of the first formed slab, positioning a flat rectangular dowel within the groove so that the dowel extends outwardly from the edge surface,... | 10/28/2008 |
| 7404691 | Dowel bar assembly with snap fit side frames An apparatus for combining adjacent concrete slabs including a dowel, an end cap, and a side frame. The end cap has a hood defining a curved channel extending at least partially around a dowel receiving end. The side frame has at least one wire received in the curve... | 07/29/2008 |
| 7381008 | Disk plate concrete dowel system Disclosed is a disc dowel system interposed between adjacent first and second concrete pours defining a pour joint therebetween. The disc dowel system comprises a positioner bracket, a pocket former and a dowel plate. The positioner bracket has a vertically disposed... | 06/03/2008 |
| 7338230 | Plate concrete dowel system A disc dowel system is interposed between adjacent first and second concrete pours defining a pour joint therebetween. The disc dowel system comprises a positioner bracket, a pocket former and an orthogonally shaped dowel plate. The positioner bracket has a vertical... | 03/04/2008 |
| 7314333 | Plate concrete dowel system A disc dowel system is interposed between adjacent first and second concrete pours defining a pour joint therebetween. The disc dowel system comprises a positioner bracket, a pocket former and an orthogonally shaped dowel plate. The positioner bracket has a horizont... | 01/01/2008 |
| 7223046 | Pavement crack initiator A device to ensure that when the transverse contraction joint in a pavement and the like cracks, the crack extends through the middle of the dowel bar. A dowel is a smooth continuous bar that is embedded in a concrete pavement. It provides vertical shear resistance ... | 05/29/2007 |
| 7201535 | Concrete slab dowel system and method for making and using same A sleeve assembly system, a concrete dowel slab joint system, a method for maintaining adjacent sections of concrete in alignment during contraction and expansion of the concrete and for transferring shear stresses and bending moments across a joint formed between a... | 04/10/2007 |
| 7004443 | Concrete void former A void former comprises a core assembly having at least two body members. The body members are removably coupled together to define the desired shape of a void to be formed in a concrete slab. After the void has been formed in the concrete slab, the body members may... | 02/28/2006 |
| 6962026 | Expansion joint cover An expansion joint cover (10) comprises a first plate (18) hingedly attached to a first surface (14) of an expansion joint (12), a second plate (20) hingedly attached to the first plate (18), and a housing (26) fixedl... | 11/08/2005 |
| 6926463 | Disk plate concrete dowel system Disclosed is a disc dowel system interposed between adjacent first and second concrete pours defining a pour joint therebetween. The disc dowel system comprises a positioner bracket, a pocket former and a dowel plate. The positioner bracket has a vertically disposed... | 08/09/2005 |
| 6502359 | Dowel placement apparatus for concrete slabs An expendable concrete dowel placement apparatus comprising a concrete form and a dowel holder capable of quickly positioning a dowel perpendicular to the surface of the concrete form, thereby allowing the finished concrete slab to expand and contract rel... | 01/07/2003 |
| 5980152 | Highway coupling apparatus and methods A highway coupling apparatus includes an expansion joint template, a plurality of rods, and a plurality of pipes. The template is positioned between longitudinal forms of a highway lane, creating two sections. After positioning the reinforcement bar in ea... | 11/09/1999 |
| 5911538 | Transverse force rod bearing A transverse force rod having at least one bearing cage disposed on both sides of a joint. Each bearing cage has a front plate and a trapezoidally shaped steel strip which is welded to the front plate. The transverse force rod is fixedly supported in one ... | 06/15/1999 |
| 5870869 | Yielding tie bar A yielding tie bar transfers load stress across a joint between adjacent concrete slabs, and accommodates internal movement of the slabs to reduce cracking. A combination of adjacent slabs have a cracking strength and comprise a plurality of such tie bars... | 02/16/1999 |
| 5674028 | Doweled construction joint and method of forming same In the construction of a concrete surface formed by a plurality of slabs, sleeves are inserted into a slab while the concrete is still plastic. The slab is allowed to harden. Dowel bars are then inserted into the sleeves to provide load distribution among... | 10/07/1997 |
| 5600860 | Dilation joint for bridges and viaducts A dilation joint adjustably interconnecting the structural edges of a bridge opening. The dilation joint includes two continuity metallic plates in a transit plane, connected to the structural edges of the opening and to lower structural elements in such ... | 02/11/1997 |
| 5586834 | Joint structure for coupling precast concrete pavement slabs A joint structure for coupling adjacent precast concrete pavement slabs which is excellent in execution process for pavement, particularly is capable of ensuring the sliding of a reinforcing bar. A first horizontal hole for accommodating a reinforcing bar... | 12/24/1996 |
| 5487249 | Dowel placement apparatus for monolithic concrete pour and method of use A concrete dowel placement apparatus comprising a base member which is rigidly attachable to a concrete form. Connected to the base member is an elongate, tubular dowel receiving sheath which defines an interior compartment extending axially therein. The ... | 01/30/1996 |
| 5051024 | Sliding closures for roadway expansion joints A sliding closure for a roadway expansion joint crossing has on the first part of the roadway (1) a sliding face (5) with a curved segment (7) and an adjoining level segment (8) running parallel to the driving surface (4). Resting flatly on this sliding f... | 09/24/1991 |
| 4917883 | Oil in water emulsion sunscreen composition A waterproof oil in water emulsion sunscreen composition is disclosed. The composition includes a film forming portion comprising between about 0.5 and about 20 weight percent of a copolymer of ethylene and vinyl acetate together with a second polymeric f... | 04/17/1990 |
| 4648739 | Load transfer cell assembly for concrete pavement transverse joints A non-corrosive load transfer cell assembly for transverse joints in concrete pavement structures including support chairs, a pair of plastic walls abutting the edges of the concrete joints, a drainage trough for continuous drainage flow, a joint forming ... | 03/10/1987 |
| 4578916 | Connecting and pressure-distributing element for concrete structural members The element comprises a socket and a bar slidingly insertable into the opening of the socket. Disposed around and spaced from both the socket and the bar are at least two closed loops each, of generally rectangular shape and made from reinforcing rods. Th... | 04/01/1986 |
| 4522531 | Transverse joint cell for concrete structures A transverse concrete pavement joint cell including a pair of plastic walls abutting the edges of the concrete joints. A seamless drainage gutter extends longitudinally between said plastic walls to the edges of the pavement. Blocks of compressible elasto... | 06/11/1985 |
| 4516876 | Precast concrete expansion joint for roads and the like Expansion joints for concrete highways consisting of precast beams with preformed joints of expansion joint material. The beams are laid crosswise of a strip of highway before pouring the concrete and provide expansion joints which are not affected by the... | 05/14/1985 |
| 4449844 | Dowel for pavement joints A device for transferring vertical shear stress and bending moments across transverse joints in concrete pavement slabs and the like, and for simultaneously controlling the joint gap width. A dowel is formed from a continuous length of steel bar, treated ... | 05/22/1984 |
| 4397579 | Expansion joint structures An expansion joint and seal structure for the variable width space between roadway, bridge or like sections subject to expansion and contraction is provided in the form of an elongate elastomer member having spaced transverse passages of generally rectang... | 08/09/1983 |
| 4353666 | Device for transferring loads between adjoining concrete slabs A first elongated steel frame has a dowel mounted thereon at right angles. The dowel projects through an aperture in a compressible filler board thence through a registering opening in a second elongated steel frame. The long dimensions of the two frames ... | 10/12/1982 |
| 3972640 | Highway joint with spring torsion bar A highway joint system, and the method of forming the same, wherein bars are employed between adjacent concrete highway sections having obliquely disposed end joints imposing a biasing force upon the sections during the occurrence of section lateral displ... | 08/03/1976 |
