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| Number | Title | Issue Date |
| 8171678 | Slab lift bracket The present invention provides a slab lift bracket that includes an collar portion with a center, an upper surface, a lower surface, an outer surface, and an inner surface. The slab lift bracket also includes a plurality of protruding members that are distributed ar... | 05/08/2012 |
| 7934343 | Cast-in anchors An anchor for embedment into a concrete component, has a head via which load is applied to the anchor in use and an anchoring formation provided by at least one leg extending from the head and profiled along an edge thereof so as to lock into the surrounding concret... | 05/03/2011 |
| 7905063 | Double anchor and lifting shackle for concrete slabs A lifting mechanism for a concrete structure is provided through means of a void former and anchor assembly which it cast in place to provide an accurate recess in the structure having two or more spaced divergent anchors therein. The anchors define annularly aligne... | 03/15/2011 |
| 7441375 | Cover for pockets in precast concrete panels A cover for concealing an open pocket, recess or the like in a precast concrete panel following removal of a form used for positioning an anchor in the concrete panel during manufacture thereof is disclosed. The cover includes a planar or flat or substantially plana... | 10/28/2008 |
| 7337591 | Building construction system A structural forming assembly comprises wall molding panels for forming laterally spaced, opposed molding surfaces that define a wall mold cavity for forming a wall structure. The wall panels are vertically disposed and laterally spaced to provide the molding surfac... | 03/04/2008 |
| 7296382 | Injection molded thermoplastic insert A plastic insert for concrete structures includes a barrel for receiving a threaded fastener. According to one embodiment, the insert includes a housing at a distal end receiving an internally threaded member for engaging the threaded fastener. The insert includes b... | 11/20/2007 |
| 7243898 | Moulding accessory and method of using same A moulding accessory to form a void around a recessed lifting loop in a moulded concrete product such as a concrete cladding panel. The moulding accessory is formed from a body which is sized and shaped to fit with said lifting loop. The body is hollow, but sufficie... | 07/17/2007 |
| 7237366 | Post-tensioned insulated wall panels An insulated concrete panel having one or more tendons positioned in the insulation layer inside the panel which are put into tension after the concrete panel has been formed. ... | 07/03/2007 |
| 7222460 | Cover for a concrete construction A cover for a concrete construction has a pair of anchor-engaging members extending from a disk-shaped body. The anchor-engaging members include fins which are configured to engage an anchor formed into a recess of a concrete block or wall to cover the recess. The c... | 05/29/2007 |
| 7213795 | Lifting of precast bodies such as concrete panels An object handling device includes a support body, and an elongate anchor body mounted at the inner end thereof to the support body so as to project from the support body for insertion into an undercut cavity in an object to be handled. At least one anchor lug at or... | 05/08/2007 |
| 7137609 | Pulling iron pocket, lid and shield A pocket, lid and shield for casting a pulling iron in a concrete structure are described. The pocket includes a slot reinforced with stiffening members for receiving the pulling iron. The pocket also includes a frangible support post for supporting the pulling iron... | 11/21/2006 |
| 7134701 | Frame for lifting beams and other elongated loads A lift frame adapted to be pivotally mounted on a hoist include a tubular sleeve guide that guides a lift slide. The lift slide carries a lift frame for supporting a load such as a beam or truss to be lifted, and is spring loaded in an upward direction by a spring e... | 11/14/2006 |
| 7131239 | Structural slab and wall assembly for use with expansive soils A foundation assembly for use with expansive soils. The assembly includes a slab form, such as metal pan, for receiving poured concrete, a structural slab cast into the form, and structural members, e.g., piers, footing pads, and the like, contacting and/or extendin... | 11/07/2006 |
| 7114305 | Hybrid arched overfilled structure A hybrid arched overfilled structure includes a combination of pre-cast side elements and at least one cast-in-place crown sector element. The side elements are pre-cast generally in a horizontal orientation and subsequently lifted into place. The crown sector eleme... | 10/03/2006 |
| 7065925 | Concrete anchor A concrete anchor. The concrete anchor can be embedded within a concrete member to enhance lifting of the concrete member. The concrete anchor of the present invention can include a bar having a first end, a second end positioned adjacent the first end, and an inter... | 06/27/2006 |
| 7032354 | Sandwich erection lift anchor with welding plate assembly The present invention relates towards an erection lift anchor with welding plate assembly for embedment in a concrete member, such as a precast or tilt-up wall. The erection anchor of the present invention allows for concrete members, such as walls, to be positioned... | 04/25/2006 |
| 7010891 | Haunch assembly for supporting a concrete slab and method of making the haunch assembly A foundation haunch assembly used for attachment to a foundation wall and a method of making the haunch assembly using a concrete block machine. The haunch assembly includes a concrete haunch having an upper portion, a center portion and a lower portion. The upper p... | 03/14/2006 |
| 6993873 | Building curtain wall mullion and sill assembly Disclosed is a curtain wall assembly used for building exteriors. The curtain wall system includes a first vertical mullion operable to attach to a first sill member and a second vertical mullion operable to interlock with the first vertical mullion. A mullion cap m... | 02/07/2006 |
| 6779312 | Anchoring device An anchoring device adapted to be partially buried in a concrete member during forming thereof for cooperation with a pick-up unit, the anchoring device comprising an integrally formed lifting pin and a void former. ... | 08/24/2004 |
| 6769663 | Void forming and anchor positioning apparatus and method for concrete structures A void former for positioning an anchor within a concrete structure is comprised of a hollow polymeric body having first and second sections hinged together for movement between a closed condition engageable around the anchor received therebetween and an open condit... | 08/03/2004 |
| 6729079 | Concrete anchor One preferred embodiment of an improved concrete anchor designed in accordance with the present invention for embedment in a concrete panel or the like includes an elongated bar having substantially flat parallel faces, an inner end disposed within the panel, an out... | 05/04/2004 |
| 6729099 | Concrete embedding anchor, fitment for the same and method of manufacturing concrete molded piece using the same A concrete embedding anchor includes. An anchor including an anchor body having a head at one end of the shank and a stopper at the other end, a fitment concentrically mounted to said head and having an external thread and easy breaking portion formed on the round b... | 05/04/2004 |
| 6711866 | Thin prestressed concrete panel and apparatus for making the same A thin, prestressed concrete panel, having a thickness of about one and one-half inch thickness or less, and apparatus for making the same is disclosed. Pairs of prestressed tendons extend between the side and end portions of the panel. The tendons of each pair are ... | 03/30/2004 |
| 6694680 | Lifting insert for prefabricated concrete components A lifting insert for prefabricated concrete components with a bracket for increasing the shearing strength thereof. The insert is embeddable in the body of the component proximate to one of the faces of the component so that one of its ends protrudes, or ... | 02/24/2004 |
| 6688049 | Hook facility for concrete structure A pulling iron facility for encapsulation in a concrete structure has an elongated strength member with an intermediate portion forming an upwardly extending loop. The strength member has opposed end portions extending laterally away from the loop. A slee... | 02/10/2004 |
| 6658799 | Volumetric modular building system A volumetric modular building system comprising a reinforced concrete inverted "tee-beam" module. The module has a series of integral cross-walls which are spaced to coincide with the dimensions of the rooms and corridors constituting a section of a build... | 12/09/2003 |
| 6647674 | Erection anchor for concrete panel An erection anchor having a forged unitary body that includes a substantially cylindrical shank with one end embedable in a concrete panel and an opposite end extending into a recess in an end of the concrete panel. The forged unitary body also has a subs... | 11/18/2003 |
| 6568139 | Bridge structure with concrete deck having precast slab A precast concrete slab for forming a deck in a bridge superstructure has a chamfer on forward and trailing edges so that adjacent slabs can mate. The slab is reinforced with bars which protrude laterally from the slab on opposite sides and which, in use,... | 05/27/2003 |
| 6568730 | Object handling device for lifting of precast bodies such as concrete panels An object handling device including a support body, and an elongate anchor body, having a proximal end, a distal end and a longitudinal dimension extending between the proximal and distal ends, the body is mounted at the inner proximal end thereof to the ... | 05/27/2003 |
| 6550834 | Removable insert for creating a void space, as in precast concrete panels A removable and reusable insert assembly for positioning and supporting a lifting system within a panel to be formed from cast concrete, the insert assembly having a left and right portion which are detachably removable from each other, and a lid that is ... | 04/22/2003 |
| 6460824 | Concrete void former and cooperating cover An anchor positioning assembly for use in casting a concrete panel. The anchor positioning assembly includes a void former, a cooperating cover and an anchor. The assembly may further include an adaptor insert for receiving anchors of variable shapes and ... | 10/08/2002 |
| 6341452 | Transport anchor for embedding in prefabricated reinforced concrete parts A transport anchor for embedding in prefabricated reinforced concrete parts has an anchor shaft having a first shaft portion and a second shaft portion. The first shaft portion can be anchored in the concrete and has a support with at least one spacer pro... | 01/29/2002 |
| 6102607 | Device for connecting concrete components A device for assembling prefabricated concrete parts has a cable loop anchored at one end to the prefabricated concrete part. The other loop-like end cooperates with a retaining means provided at the front face of the prefabricated concrete part to elasti... | 08/15/2000 |
| 6092849 | Device for lifting prefabricated components, particularly made of concrete, or the like A device for lifting prefabricated components, particularly made of concrete, or the like, comprising an anchoring element which forms a female seat of a bayonet coupling device and can be embedded in a component proximate to a perimetric side of the comp... | 07/25/2000 |
| 5913792 | Device for installing impact-type anchoring means A device for installing an impact-type anchoring unit having an expansion sleeve with an internal bore tapering in a forward region and threaded in a rearward region and an expansion body adapted to be driven into the expansion sleeve by an impact tool ha... | 06/22/1999 |
| 5893241 | Precast concrete target house A precast, concrete building unit which is especially adaptable as a target house formed from concrete pour comprising a horizontal floor adaptable for placement on a subgrade, and vertical walls extending upright from the perimeter of the floor and preca... | 04/13/1999 |
| 5884438 | Lift insert assembly and fabrication assembly method therefore A lift pin insert assembly is releasably mounted upon a mold member for casting a manhole section. The mold is filled with concrete, which surrounds and embeds the insert assembly in the cast member. The insert is configured to receive a lift pin, which i... | 03/23/1999 |
| 5809703 | Slotted insert with increased pull-out capacity A slotted insert having a U-shaped frame and a plastic nut box forms a concrete cone having a depth which is substantially equal to the height of the insert by utilizing tapered feet. The interior sidewalls of the U-shaped frame are formed with indentatio... | 09/22/1998 |
| 5761875 | Reinforced concrete pole with attachment mechanism A concrete pole includes an attachment mechanism which provides a structurally sound means of attaching to the pole and permits the use of short, inexpensive bolts. It also eliminates the labor usually required for drilling or casting a hole through the p... | 06/09/1998 |
| 5732991 | Cast artifact handling assembly A concrete artifact handling assembly which includes a threaded socket embedded and anchored in the concrete artifact at least three diameters below the surface thereof, and a safety hoist ring threadably received in the threaded socket and snugged down a... | 03/31/1998 |
