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| Number | Title | Issue Date |
| 7870702 | Concrete reinforcement support chair An apparatus (“chair”) for supporting one or more reinforcement bars or post-tension cables (“bars/cables”) in a concrete structure includes a base member having a centered opening, a pair of opposing first leg members extending upward from the base member a... | 01/18/2011 |
| 7441731 | Support block system A system and device for installing and mounting conduit upon a surface such as a roof. The system made up of at least one support block having a base and an upper portion, a support rail and a variety of attachments for holding conduit to the rail. Each of the vario... | 10/28/2008 |
| 7341259 | Air seal system for loudspeaker This invention provides an air seal system for loudspeakers where it is desirable to reproduce sound accurately and efficiently without loss in sound quality. The air seal system may include a housing, a baffle, and a cord gasket positioned in a gland to form an air... | 03/11/2008 |
| 7328538 | Rebar spacer A rebar spacer having a clip for securely holding a rebar centered in the clip such that the rebar cannot be dislodged from the clip once the clip engages the rebar. The clip is held at a desired height by a base, which will not easily tip over do to a wide stance o... | 02/12/2008 |
| 7322158 | Intersectional reinforcing bar support with C-shaped clamps A concrete reinforcing bar support has a base, a support structure extending upwardly from the base with a channel formed at an upper surface thereof, a first clamping structure affixed to the support structure on one side of the channel, and a second clamping struc... | 01/29/2008 |
| 7299598 | Fastener for lightweight concrete roof systems A device for use in the installation of lightweight concrete roof systems includes a base element having a substantially flat portion and a wire tie. The wire tie extends from the base element and terminates at opposite ends which may be formed in a ring or loop. In... | 11/27/2007 |
| 7278613 | Pipeline skid and a skid system for use in pipeline construction The present invention comprises a skid that includes at least one stackable pedestal having a continuous wall, the continuous wall enclosing an opening that extends from a first pedestal end to a second pedestal end. The stackable pedestal includes at least two supp... | 10/09/2007 |
| 7237367 | Construction chair for use with tilt wall construction A chair has a receiving area and a plurality of separate legs extending downwardly from the receiving area. Each of the separate legs has a first portion extending in an angle outwardly from the receiving area and a second portion extending from an end of the first ... | 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 |
| 7143563 | Tie and tie method for binding together adjacent support elements A tie and a tie method for binding together adjacent support elements such as concrete reinforcing bars by employing a tie having a frame which can be disposed about the bars, and a wedge adapted to be forcibly driven between resilient portions of the frame and the ... | 12/05/2006 |
| 7114695 | Tilt-up concrete wall panel form and method of fabricating same An improved, lightweight, portable, and self-contained concrete form for fabricating tilt-up concrete walls is provided. The form includes a frame made from metal frame members joined at their ends with the frame members forming the sides of the frame. The frame mem... | 10/03/2006 |
| 7028443 | Wire mesh chair 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 pas... | 04/18/2006 |
| 6973864 | Protective structure and protective system A protective structure for protecting buildings, bridges, roads and other areas from explosive devices such as car bombs and the like comprises: (a) a mesh structure having an outer surface and an inner surface, wherein the inner surface defines an annular space; (b... | 12/13/2005 |
| 6962029 | Chair for supporting wire mesh An improved chair for supporting intersecting wires forming a wire mesh at a pre-selected elevated position above a bearing surface during formation of a concrete slab is constructed having a base member shaped to rest on the bearing surface, a compressible support ... | 11/08/2005 |
| 6948291 | Plastic slab bolster upper A slab bolster upper for supporting rebar in a reinforced concrete structure while the concrete is poured and thereafter cures, is of molded plastic construction and is formed with horizontal and vertical voids that facilitate concrete placement and break up potenti... | 09/27/2005 |
| 6910309 | Cage spacer A cage spacer for spacing reinforcing rods or welded fabric a specified distance from mold walls for poring concrete during construction projects. The cage spacer comprises two intersection bodies oriented perpendicular to each other and preferable with one body hav... | 06/28/2005 |
| 6772571 | Upper beam bolster for use in construction A bolster for use in construction having a plurality of leg members arranged in generally parallel spaced relationship, a beam integrally formed with the plurality of leg members and extending transversely across the plurality of leg members, and a plate affixed to ... | 08/10/2004 |
| 6732484 | Chair support for metal reinforcements A chair supports rebar or wire mesh during a concrete pour. The chair is box shaped having grooves in the side walls of different width for supporting rebar of different diameter. Notches in the edge of the grooves on opposite sides of the chair support wire mesh of... | 05/11/2004 |
| 6655105 | Weldless stirrup spacer A weldless stirrup spacer for manual installation, without a tool, on the concentric or parallel inner and outer reinforcement wire cages of reinforced concrete pipe or other concrete structures so as to position and maintain the cages at the required spa... | 12/02/2003 |
| 6622446 | Weldless spacer for wire reinforcement of concrete A weldless spacer for wire reinforcement of concrete is provided formed of a one piece, stamped design. An upper rail is formed parallel to a lower rail, and a series of vertical support elements are formed parallel to each other but perpendicular to both... | 09/23/2003 |
| 6557317 | Concrete reinforcing bar support A concrete reinforcing bar support including a base, a support structure extending upwardly from the base, a first clamping member affixed to the support structure and extending upwardly above a top surface of the support structure, a second clamping memb... | 05/06/2003 |
| 6502361 | Rod chairs Rod chairs for use in concrete form for positioning reinforcement rods prior to filling with concrete includes a flat rectangular metal blank for folding into a rod chair that includes an elongated planar portion having a pair of spaced portions to be ben... | 01/07/2003 |
| 6276108 | Device for supporting and connecting reinforcing elements for concrete structures Device for supporting and connecting concrete reinforcing elements which has a base adapted to rest on a supporting surface, an upright post extending from the base, and a clip mounted on the post having a pair of orthogonal sockets engagable with two hor... | 08/21/2001 |
| 6212848 | Construction chair with plastic base A support device for use in tilt-wall construction including a support body having at least two support legs and a bottom extending between the support legs, and a base formed of a polymeric material. The base is affixed to the bottom of the support body.... | 04/10/2001 |
| 6178716 | Reinforced-concrete floor slab thickness indicator/reinforcement rod spacer combination A reinforced-concrete floor slab thickness indicator/reinforcement rod spacer combination consists of a base, a spacer and an indicator erected from the base, and a bracket integrally and laterally extended from the spacer. The indicator is releasably att... | 01/30/2001 |
| 6176061 | Combination reinforcement bar connector and gauge A device for expediently and efficiently adjoining overlapping segments of reinforcement bar with substantially accurate and precise measures of overlap is disclosed. The device comprises a first coupling element for coupling to a first reinforcement bar ... | 01/23/2001 |
| 6123745 | Concrete form with integral drain and reinforcing bar support bracket therefor An adjustable concrete form comprises at least one tube and an adjustable stake having a post and a tube cradle. A bracket is removably connected to the tube for supporting rebar in spaced-apart relation to the excavation bottom. The bracket includes a tu... | 09/26/2000 |
| 6115987 | Vertical rebar support system and method A vertical-rebar-support system has a ring base (1) oriented horizontally intermediate side walls (2) of a concrete-foundational excavation (3). A vertical-rebar receptacle (4, 9, 10, 18) is off-centered on the ring base and a rebar-L-base receptacle (7, ... | 09/12/2000 |
| 5884439 | Concrete form with integral drain and adjustable stake therefor An adjustable concrete form comprises at least one tube and an adjustable stake having a post and a tube cradle. The tube has at least one drainage aperture providing the form with drainage. The adjustable stake is configured for adjustably supporting the... | 03/23/1999 |
| 5832690 | Spacer for double cage concrete reinforcement wire grids An attachable spacer for maintaining a spaced relationship between first and second wire mesh concrete reinforcing cages is formed of a length of wire and has an elongated central portion adapted to extend between the cages and first and second attachment... | 11/10/1998 |
| 5819493 | Height adjustable rebar support system A new Height Adjustable Rebar Support System for supporting rebar at various elevations during pouring and curing of concrete with a single adjustable support member. The inventive device includes a first panel having a first lower slot, a second panel pi... | 10/13/1998 |
| 5664389 | Method and apparatus for building construction A frame structure is strengthned against earthquake shock and disastrous winds by extending some of the foundation rebars above the foundation walls and clamping on extension lengths of rebar and securing them to the ceiling joists. Special clamps are use... | 09/09/1997 |
| 5598682 | Pipe retaining clip and method for installing radiant heat flooring Retaining clips are provided by the present invention for use in a novel method of constructing radiant heat flooring. The clips are used to secure heating pipe that has been laid on top of a wire grid. The pipe is secured by attaching the retaining clip ... | 02/04/1997 |
| 5400562 | Spacer for a reinforcement bar to be embedded in concrete A spacer for a reinforcement bar to be embedded in concrete has a band-like member adapted to wrap around and encircle the reinforcement bar and formed at its ends with a pair of screw parts with external formations which form a screwthread when the two p... | 03/28/1995 |
| 5216866 | Rebar matrix spacer This invention is a rebar spacer device which is used to set the rebar without using a tape. The device has an L-shaped track with scribe marks at pre-determined intervals on the top. The track further has integral upper and lower rails which have elongat... | 06/08/1993 |
| 4999965 | Spacer for double cage reinforcement wire mesh for concrete products A spacer for use in locking two cages into an integral unit of reinforcement and spacing the reinforcement from the surface of the form used in making large concrete products such as box sections, pipes, culverts and manholes. The spacer provides for prec... | 03/19/1991 |
| 4953340 | Bar support for concrete The rod-support chair of the present invention comprises a plastic channel made of a thermoplastic resin preferably selected from the group consisting of polycarbonate, aromatic polyester carbonate and aromatic polyesters. The channel is further character... | 09/04/1990 |
| 4617775 | Extensible reinforcing bar assembly and clip An extensible reinforcing bar assembly for readily permitting a plurality of bars to be extended with respect to each other and establish a desired combined length. The assembly includes a plurality of improved plastic clips for attaching the two bars whi... | 10/21/1986 |
| 4452026 | Spacer for wire reinforcement in concrete structures such as pipe An apparatus, method and assembly are disclosed for spacing a wire reinforcement from a concrete article form such as pipe form. Spacers are employed which include a U-shaped spacer portion extending from a mounting means which includes a positioning mean... | 06/05/1984 |
| 4445308 | Reinforcement supports A support for maintaining concrete reinforcement at a pre-determined level during the pouring of concrete there around comprises an assembly of at least a pair of adjacent inverted `U` shaped metal yokes 10. Each yoke comprises a pair of spaced substantia... | 05/01/1984 |
