| Patent Number |
Title Of Patent |
Date Issued |
| RE33881 |
Apparatus for lifting concrete panels |
April 14, 1992 |
| An apparatus for lifting precast concrete panels includes a lifting body having a forward portion adapted to engage in an anchor head, a latch yoke pivotally connected to a rearward end of the lifting body and including a safety latch cooperating with the forward portion .Iadd.of the lif |
| D438991 |
Concrete anchor including an elliptical base |
March 13, 2001 |
|
| D438649 |
Concrete anchor including an octagonal base |
March 6, 2001 |
|
| D437063 |
Concrete anchor including a pentagonal base |
January 30, 2001 |
|
| D437062 |
Concrete anchor including a hexagonal base |
January 30, 2001 |
|
| D436674 |
Concrete anchor |
January 23, 2001 |
|
| 7404691 |
Dowel bar assembly with snap fit side frames |
July 29, 2008 |
| 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 curved channel. Also, an |
| 7314334 |
Dowel bar assembly with snap fit side frames |
January 1, 2008 |
| 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 curved channel. Also, an |
| 7222460 |
Cover for a concrete construction |
May 29, 2007 |
| 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 cover is easily install |
| 7051988 |
Brace for concrete forms |
May 30, 2006 |
| A brace for securing concrete form members to a casting surface. First and second leg members are spaced to form an angle. A bridging member extends between opposing ends of the leg members and a strut extends between the joined ends of the leg members and the bridging member. The bridgi |
| 7028443 |
Wire mesh chair |
April 18, 2006 |
| A chair for supporting wire mesh while pouring concrete slabs. The chair has a generally tapered, hollow body with a receiving area for fixedly retaining the wire mesh. The receiving area includes walls extending upwardly between notches, with the walls defining passageways for guiding |
| 7004443 |
Concrete void former |
February 28, 2006 |
| 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 be selectively remove |
| 6865859 |
Conversion corner chamfer for form work |
March 15, 2005 |
| A building member forming apparatus having panels and a conversion corner bracket. The panels are typically dimensioned in metric units. The conversion corner bracket can include a leg having a predetermined width and a body configured to chamfer a building member. The conversion corner |
| 6857235 |
Protective cover for reinforcing bar |
February 22, 2005 |
| A protective cover for a reinforcing bar including a collar structure defining a perimeter portion and having an open end for receiving the end of a rebar. A cap portion is connected to the collar structure oriented substantially perpendicularly to the collar structure and including a |
| 6761007 |
Structural tie shear connector for concrete and insulation composite panels |
July 13, 2004 |
| A structural tie shear connector for use with a concrete and insulation composite panel. The panel has a first concrete wythe, a second concrete wythe, and an insulation layer interposed between the first and second concrete wythes. The connector has two sides extending in a direction |
| 6755385 |
Concrete void former and cooperating cover |
June 29, 2004 |
| 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 sizes. The void former includes a |
| 6729079 |
Concrete anchor |
May 4, 2004 |
| 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 outer end disposed wi |
| 6647674 |
Erection anchor for concrete panel |
November 18, 2003 |
| 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 substantially cylindrical foot in |
| 6460824 |
Concrete void former and cooperating cover |
October 8, 2002 |
| 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 sizes. The void former includes a |
| 6112475 |
Knee brace bracket for tilt-up construction |
September 5, 2000 |
| A knee brace bracket for use in a knee bracing system for tilt-up panel constructions. The knee brace bracket includes front and rear face members defining circular structures for extending around a main pipe brace which extends between a panel and a floor slab. The knee brace bracket is |
| 6099196 |
Taper lock rebar splice joint |
August 8, 2000 |
| A splice for concrete reinforcement bars includes two diametrically opposed half-shells spanning the aligned ends of the rebars. The half-shells interlock with upset bar ends to hold the bars together. An internally tapered sleeve is forced axially over the tapered exterior of the ha |
| 6089779 |
Quick connect rebar splice |
July 18, 2000 |
| A quick connect splice for concrete reinforcement bars includes two diametrically opposed half-shells spanning the aligned ends of the rebars. The half-shells interlock with raised ridges on the bar surfaces to hold the bar ends together. Two sleeve elements slipped over the bars are |
| 6082700 |
Anchor positioning insert |
July 4, 2000 |
| A removable anchor positioning insert for forming a recess in a face of a concrete structure and for the simultaneous positioning of an anchor within the recess. The insert includes a resilient body having an upper surface connected to an arcuate lower surface by front and rear surfaces. |
| 5967691 |
Quick connect rebar splice |
October 19, 1999 |
| A quick-connect splice joint for concrete reinforcement bars. Two diametrically opposed semi-cylindrical shells span the adjacent bar ends. The two shells are held against axial displacement by mating to raised features such as ridges or threads on the bars, and are held radially by |
| 5943830 |
Knee brace bracket for tilt-up construction |
August 31, 1999 |
| A knee brace bracket for use in a knee bracing system for tilt-up panel constructions. The knee brace bracket includes front and rear face members defining circular structures for extending around a main pipe brace which extends between a panel and a floor slab. The knee brace bracket is |
| 5857296 |
Concrete sandwich panel erection anchor |
January 12, 1999 |
| An anchor adapted for being embedded within a concrete sandwich panel to facilitate lifting thereof is disclosed. The anchor includes a neck supporting a head adapted for mating with a conventional lifting assembly. The neck is supported on a body portion adapted for being at least p |
| 5572838 |
Strongback attachment system |
November 12, 1996 |
| A strongback attachment system for temporarily attaching a reinforcing beam or the like to a poured concrete structural member includes an insert adapted to be set in the poured concrete member. The insert has a body for creating a void in the concrete structural member and a base for |
| 5351456 |
Concrete form tie wedge |
October 4, 1994 |
| A wedge for use with tie rods in maintaining a predetermined spaced relation between opposed forms prior to and during the pouring of a concrete wall in the space between the forms incorporates a ramp portion which includes an elongated keyhole slot for receiving a tie rod therethrou |
| 5050365 |
Concrete form snap tie |
September 24, 1991 |
| A snap tie for use in maintaining a predetermined spaced relation between opposed forms prior to and during the pouring of a concrete wall therebetween comprises a steel rod of predetermined uniform cylindrical section having at each end an integrally formed head of substantially lar |
| 4984401 |
Device and method for housing a steel reinforcement in an area where joints are made between fir |
January 15, 1991 |
| A protective device for a housing steel reinforcement in an area where joints are made between first and subsequently poured concrete structures. The device includes a sheet of material having a first end portion and an opposed second end portion. The sheet of material is folded such tha |
| 4883385 |
Load transfer assembly |
November 28, 1989 |
| In the construction of concrete pavement on a roadbed by a continuous concrete paving machine, the end of a section of the pavement is finished off by setting on the roadbed an assembly comprising a plurality of elongated coupling members connected together in spaced parallel relation, |
| 4846433 |
Adjustable hanger |
July 11, 1989 |
| An adjustable hanger for supporting a concrete form which includes a first bracket having a downwardly-extending portion for engaging an edge of an I beam flange, a second bracket for engaging an I beam flange, and a threaded rod screwed into and extending between the first and second |
| 4807843 |
Recess plug for precast concrete panels |
February 28, 1989 |
| A recess plug for positioning lifting anchors in precast concrete panel includes first and second hollow plug halves having complementary, frictionally-engaging mating surfaces, and also having pairs of projecting bosses positioned to overlap, when the plug halves are joined together, |
| 4726562 |
Apparatus for casting an anchor in a concrete unit |
February 23, 1988 |
| An apparatus for casting an anchor in a concrete unit in which the head of the anchor is gripped by a plurality of resiliently-biased gripper elements pivotally attached to a cylindrical mandrel, the mandrel is drawn within the bore of a void former sleeve having a hemispherical outer en |
| 4700979 |
Apparatus for lifting concrete panels |
October 20, 1987 |
| An apparatus for lifting precast concrete panels includes a lifting body having a forward portion adapted to engage in an anchor head, a latch yoke pivotally connected to a rearward end of the lifting body and including a safety latch cooperating with the forward portion to lock an ancho |
| 4473738 |
Method and apparatus for hot forming a polygonal head on a snap tie rod |
September 25, 1984 |
| An apparatus for hot forming a polygonal head on an end of a tie rod includes a split electrode for gripping a tie rod and a reciprocating electrode for deforming the tie rod end. One of the electrodes defines a die cavity having walls forming a polygonal contour and a depth greater |
| 4417425 |
Apparatus for erecting concrete wall panels |
November 29, 1983 |
| A pickup device has a trunion plate that is placed across an opening formed by a tubular insert in a horizontal concrete slab or panel. A housing extends through a hole in the trunnion plate into the insert and defines an internal cavity disposed inwardly of the insert. A bore communicat |
