Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8099925 | Chair and system for post tension and pre-stressed cable intersections A chair and system for securing, supporting, and connecting cable, having troughs supported on support members for receiving cables. The troughs can each have locks for closing the troughs and securing the cables in place. ... | 01/24/2012 |
| 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 |
| 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 |
| 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 |
| 6933165 | Method of making an electrostatic actuator A method of fabricating an electrostatic actuator with an intrinsic stress gradient is provided. An electrode is formed on a substrate and a support layer is formed over the electrode. A metal layer is deposited onto the support layer via a deposition process. Depos... | 08/23/2005 |
| 6925771 | Post-tension intersection chair A chair for supporting and spacing post-tension cables having a generally tapered body with an upper receiving area for securing the cables and a planar base adapted to rest on a flat support surface. The body has inner and outer surfaces that are substantially comp... | 08/09/2005 |
| 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 |
| 6871471 | Apparatus, and associated method, for securing rebar together An apparatus for positioning rebar for reinforcing concrete, wherein the apparatus includes a semi-cylindrical portion configured for receiving a first rebar extending in a first direction, wherein the semi-cylindrical portion defines first and second opposing strai... | 03/29/2005 |
| 6849318 | Method for securing rebar together A method for preparing rebar for reinforcing concrete, wherein first and second receiver portions of an apparatus are engaged with a lower surface of a first rebar extending in a first direction. A semi-cylindrical portion of the apparatus are engaged with an upper ... | 02/01/2005 |
| 6837017 | Apparatus for placing rebar in continuously reinforced concrete paving A transverse bar assembly for use in constructing rebar mats for reinforcement of concrete paving includes a plurality of chairs and clips each having a lower portion that fixes to a transverse bar in the direction of its length and an upper portion for orthogonally... | 01/04/2005 |
| 6775954 | Upper beam slab bolster with parallel plates A bolster for use in construction having a plurality of leg members arranged in generally parallel spaced relationship to each other, a beam integrally formed with the plurality of leg members and extending transversely across the leg members, a first plate affixed ... | 08/17/2004 |
| 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 |
| 6684595 | Intersectional reinforcing bar support A concrete reinforcing bar support having a base, a support structure extending upwardly from the base and having 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 s... | 02/03/2004 |
| 6684594 | Intersectional reinforcing bar support A concrete reinforcing bar support having a base, a support structure extending upwardly from the base and having 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 s... | 02/03/2004 |
| 6571526 | Concrete masonry unit (CMU) vertical reinforcement and anchor bolt positioning device A positioning device for positioning a reinforcement bar within a masonry block. The positioning device includes a core with a central opening and an openable seam, a support structure having support arms connected to the core and arranged and configured ... | 06/03/2003 |
| 6354054 | Rebar support system This rebar chair has a body with four legs between which there are defined two intersecting passages for simultaneously receiving the intersecting portions of two rebars normal to each other. The rebars are suspended by a fastening wire or supported by an... | 03/12/2002 |
| 6345474 | Universal pier block A universal block made of concrete designed to be used with different size posts and beams. The pier block is a conical, six-sided structure and includes two concentrically aligned, post-receiving voids designed to receive the ends of a (4×4) or (6×6) i... | 02/12/2002 |
| 6282860 | Wire mesh support A support device for a wire mesh. The wire mesh is held in place by the supporting device which includes legs and cup shaped members. The legs will stand on a support surface and the cup shaped members will engage the bars of the wire mesh to hold the wir... | 09/04/2001 |
| 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 |
| 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 |
| 6161360 | Apparatus for supporting reinforcement bar An apparatus for supporting reinforcement bar comprises a support assembly including a first support and a second support. The first support has a ground-engaging portion. The second support is coupled to the first support so that the ground-engaging port... | 12/19/2000 |
| 6112494 | System for affixing rebar lattice to receive concrete An apparatus for fixating and elevating an interconnected rebar lattice having individual longitudinal and transverse rebar intersections for use as support for poured concrete in highway and other construction. The apparatus including a holding portion h... | 09/05/2000 |
| 6009680 | Structural clip for use in assembling wire frame structures, wire frame structure, and method of arranging components of a wire frame structure for packaging A plastic wire frame structural clip includes two pairs of diametrically opposed, equally spaced tapered slots formed longitudinally in a peripheral wall thereof for retaining wire frame members in place at their points of intersection. A wire frame struc... | 01/04/2000 |
| 5907939 | Masonry hanger A reinforcing bar support or hanger for use in a masonry block wall incorporates a pair of supporting arms for contacting the surface of a supporting block and includes vertically extending hanger members terminating in a rebar cradle for receiving and su... | 06/01/1999 |
| 5893252 | System for affixing rebar lattice to receive concrete An apparatus for fixating and elevating an interconnected rebar lattice having individual longitudinal and transverse rebar intersections for use as support for poured concrete in highway and other construction. The apparatus including a holding portion h... | 04/13/1999 |
| 5878546 | Concrete reinforcing bar connector A concrete reinforcing bar connector is described in which first and second elongated resilient clip members are formed in a substantially semi-circular "C" shaped cross-sectional configuration. The first and second clip members include opposed open ends ... | 03/09/1999 |
| 5762300 | Tendon-receiving duct support apparatus A support apparatus for a tendon-receiving duct including a cradle for receiving an exterior surface of a duct therein and a clamp connected to the cradle and extending therebelow for attachment to an underlying object. The cradle is a generally U-shaped ... | 06/09/1998 |
| 5699642 | Plastic rebar harness A harness system used with steel reinforcement bars or rods to hold them at a desired orientation during and after concrete is poured. The system has two substantially identical harnesses each with its own strap section and a one direction end clasp. A co... | 12/23/1997 |
| 5626436 | Double hook to fasten crossed bars An elastic clip to fasten crossed bars, characterized in that it has the form of a simple or double couple of jaws symmetrically or asymmetrically shaped, which comprises seats (D) and hooks (A) placed crosswise and joined together by bodies (B) so that t... | 05/06/1997 |
| 5533239 | Adjustable compound cable beam profile clip A sheet metal spring clip made from a resilient metal rectangular strip which is bent at various locations intermediate its top and bottom edges to cause sections of the clip to lie one above the other in a spaced relationship. The clip has a pair of conn... | 07/09/1996 |
| 5509636 | Retainer clip for reinforcement of concrete walls A retainer clip for use with concrete form tie for retention of reinforcing rods has a one-piece body which includes a header, and first and second clips extending angularly therefrom, spaced apart in a first direction, and defining therebetween a general... | 04/23/1996 |
| 5371991 | Re-bar clamp assembly A re-bar clamp assembly for use in forming concrete footings that require the reinforcing steel rods to be spaced upwardly at a predetermined height above the ground so that when the concrete is poured into the footings the reinforcing bars will be comple... | 12/13/1994 |
| 5269113 | Spacer suited for being embedded in concrete Spacer suited for being embedded in concrete, for use with wire reinforcements placed in the walls of concrete pipes cast in molds. One side of a basic body is provided with radially projecting mounting elements for connecting the basic body with the wire... | 12/14/1993 |
| 5107654 | Foundation reinforcement chairs A support chair for supporting reinforcement for foundations in which there is a turret shape and a lower base, the turret shape having a plurality of upwardly open slots into which the reinforced rods may be located the shape of each of the slots being s... | 04/28/1992 |
| 5014485 | Chair for reinforcement rod A chair used for supporting concrete reinforcement rods provides different supporting levels by a change in position thereof, and includes top and bottom planar transverse frame members spaced by two pairs of connecting rods, a pair of first leg members e... | 05/14/1991 |
| 4996816 | Support for elongate members in a poured layer A support device for supporting longitudinal rigid members in a poured layer for example rebar within concrete comprises two V-shaped wire elements which are inverted and have parallel rails welded across the elements. Two lower rails are spaced at the en... | 03/05/1991 |
| 4939883 | Spacer for reinforcing mesh and spiral reinforcement cages A spacer for welded-wire concrete reinforcement includes an upper pigtail portion, a central shank portion, and a lower hook portion. The lower section of the shank portion slopes outwardly and downwardly to define a nose-like spacing projection to positi... | 07/10/1990 |
| 4928472 | Chair for reinforcement rod A chair for concrete reinforcing rods includes a body having an intermediate portion which includes two spaced apart substantially rectangular planar transverse frame members interconnected by at least one pairs of substantially parallel first connecting ... | 05/29/1990 |
| 4854106 | Clip and spacer for reinforcing rods This invention describes foundations for buildings and like structures employing steel reinforcement. The invention describes a hook leg having an elongate member bifurcated at each end longitudinally of the member to form a pair of extensions with a slot... | 08/08/1989 |
| 4610122 | Concrete reinforcing rod holder Improvement in a concrete reinforcing rod holder comprising hollow open-sided sections joined together so as to hold a pair of contacting reinforcing rods prior to pouring concrete to form a reinforced concrete structure, such improvement comprising each ... | 09/09/1986 |
