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| Number | Title | Issue Date |
| 7967524 | Stackable landscape edging A landscape edging member for use in defining borders of walks, patios, driveways and the like, is provided with edge lips on one side of a base wall, which serve as stops when one of the landscape edging members is inverted and nested with another landscape edging ... | 06/28/2011 |
| 7316523 | Acoustically matched method and apparatus for screeding concrete Methods and apparatus for screeding freshly placed concrete in which the acoustic impedance of the treating equipment is made substantially equal to the acoustic impedance of the concrete slab. Portions of the screed contacting the plastic concrete are matched to an... | 01/08/2008 |
| 7303361 | Concrete form with keyway and clamp with base engaging the keyway A concrete form with a keyway with an opening between opposing keyway lips together with a base that fits through the keyway opening and rotates without restriction in the keyway such that a portion of the base rests behind the keyway lips so when it is pulled as a ... | 12/04/2007 |
| 7246791 | Hybrid energy absorbing reusable terminal An energy absorbing terminal is described that is made up of a plurality of cells partially defined by cambered panels made of thermoplastic or another suitable material. The panels are supported upon rectangular frames. The cambered portion of the panels provides a... | 07/24/2007 |
| 7195421 | Device for holding paving blocks A device for holding paving blocks includes a front plate for contacting the paving blocks and a base plate for contacting a ground surface. Linking the front plate to the base plate is a plurality of support structures. Each support structure includes a boss member... | 03/27/2007 |
| 7186053 | Disposable cover for bumper blocks A disposable cover for a bumper block comprises a body member having a cavity and an opening for receiving the bumper block. The body member is formed from an elastic polyethylene resin so that the body member may be expanded to accommodate the bumper block when the... | 03/06/2007 |
| 7128496 | Vehicle barrier system An adaptable barrier system protects a site of value that is adjacent to a trafficable surface, from impact by a vehicle. The system includes traffic patterns to reduce speed, followed by a first impact element that causes a vehicle to become elevated from the traff... | 10/31/2006 |
| 7108449 | Method and apparatus for acoustically matched slip form concrete application Methods and apparatus for power finishing freshly placed concrete in which the acoustic impedance of the treating equipment is made substantially equal to the acoustic impedance of the concrete slab being treated. Preferably, a powered, twin rotor riding trowel is p... | 09/19/2006 |
| 7036284 | Stucco casing bead An improved curtain wall casing bead for installation on buildings having stucco or similar curtain wall exteriors. The improved curtain wall casing bead incorporates a mesh attached to at least the base portion of the casing or starter bead, which mesh extends beyo... | 05/02/2006 |
| 6979145 | Driveway gutter having flexible filler mat An improved driveway gutter having a flexible gutter mat bridging the trough in the gutter for improving driving over driveway gutters. The mat is made of flexible material such as heavy rubber. The mat is placed with its flat bottom bridging the gutter, and fastene... | 12/27/2005 |
| 6978582 | Ground support beam for longitudinal barrier A one piece beam means used a post to support a longitudinal impact-resistant member, such as a guardrail along a highway. The one piece, stamped construction simplifies installation because fewer steps and parts are involved. ... | 12/27/2005 |
| 6976729 | Deployable rigid system for crash energy management A deployable cellular structure providing impact energy absorption capability is disclosed. The structure may be packed when not in use and deployed automatically or manually to provide impact protection. The structure is useful in a variety of situations including ... | 12/20/2005 |
| 6932327 | Cable guardrail release system A cable guardrail release system includes a first number of anchor posts installed adjacent a roadway. Each of the first number of anchor posts secures an end of a respective cable. Each anchor post is operable to release the respective cable secured by the anchor p... | 08/23/2005 |
| 6712546 | Polymeric forms for moldable building material structures A form for formable building material structures including a plurality of polymeric segments coupled to one another to define a cavity for receiving the formable building material therebetween. ... | 03/30/2004 |
| 6648545 | Systems for deterring walkway abuse A system for inhibiting a wheeled, personal mobility unit, such as skateboards and in-line skates, from sliding along a surface having two or more surface portions oriented at mutually different angles has at least one part having a contact surface that g... | 11/18/2003 |
| 6409422 | Plastic concrete form An assembly for receiving poured concrete including a non-metallic form which surrounds an inner cavity and is capable of supporting poured concrete. In one particular embodiment, the assembly is composed of individual segments which are joined together t... | 06/25/2002 |
| 6375384 | Island forms A form for receiving a filler material to create an island is provided. The form has a substantially continuous wall having an outer surface and an inner surface. The wall has a first side and a second side opposite the first side. The inner surface forms... | 04/23/2002 |
| 6138405 | Lawn and guarding edging system (conduit extension) The instant invention is a lawn and garden edging system which provides for a border device positionable adjacent walks and plant beds with provisions for the attachment of watering and lighting components. An insertion structure is provided which is inse... | 10/31/2000 |
| 6108969 | Tubular landscape edging Improved landscape edging includes a tubular upper portion and a relatively flat lower portion depending from the tubular portion. The tubular portion has plural slots at predetermined intervals along a major axis of the edging. The tubular portion enhanc... | 08/29/2000 |
| 6099202 | Island forms A form for receiving a filler material to create an island is provided. The form has a substantially continuous wall having an outer surface and an inner surface. The wall has a first side and a second side opposite the first side. The inner surface forms... | 08/08/2000 |
| 6086286 | Walkway abuse deterrent system A system for inhibiting a wheeled, personal mobility unit, such as skateboards and in-line skates, from sliding along a surface having two or more surface portions oriented at mutually different angles has at least one part having a contact surface that g... | 07/11/2000 |
| 6010276 | Island form An easily assembled concrete form including a plurality of elongated wall members manufactured by roll forming and connected together to define an enclosure. Each wall member has a first end and a second end, an inner surface and an outer surface. Attache... | 01/04/2000 |
| 5771643 | Concrete slab-wall spacer with water and radon removal features A concrete slab and wall spacer with water and radon removal elements. The invention includes a cross-sectionally, L-shaped elongate strip of semi-rigid, nonbiodegradable material. At least halfway up the entire elongate vertical leg of the L-shape is a h... | 06/30/1998 |
| 5700106 | Island form An easily assembled concrete form including a plurality of elongated wall members manufactured by roll forming and connected together to define an enclosure. Each wall member has a first end and a second end, an inner surface and an outer surface. Attache... | 12/23/1997 |
| 5694723 | Apparatus and method for water drainage and radon removal A concrete slab and wall spacer with water and radon removal elements. The invention includes a cross-sectionally, L-shaped elongate strip of semi-rigid, nonbiodegradable material. At least halfway up the entire elongate vertical leg of the L-shape may be... | 12/09/1997 |
| 5375941 | Holding device for paving blocks A holding device for paving blocks which has a vertical side for contacting the paving stones is strongly buttressed to hold the paving blocks. At pre-selected points along the vertical side are belts of material perpendicular thereto. Buttressing each be... | 12/27/1994 |
| 5240343 | Holding device for paving blocks A holding device for paving blocks which has a vertical side for contacting the paving stones is strongly buttressed to hold the paving blocks. At pre-selected points along the vertical side are belts of material perpendicular thereto. Buttressing each be... | 08/31/1993 |
| 5073061 | Industrial restraint edging system for segmented paving units Paving support apparatus is provided which includes substantially vertical strip restraining elements for defining a boundary around paving members and the like which move laterally during use. The support apparatus is disposed below local ground level du... | 12/17/1991 |
| 4863307 | Restraint edge for paving members Landscaping support apparatus is provided which includes substantially vertical strip restraining elements for defining a boundary around hard surface elements. The vertical strip restraining elements include an inner surface facing toward the hard surfac... | 09/05/1989 |
| 4659247 | Edging element with interlaceable elastic anchoring strip An edging element for playing fields and sports installations has an elongate elastic profile top and a strip for anchoring the edging element inside of the profile top in a concrete slab in interlacing relationship with a straight reinforcement rod. That... | 04/21/1987 |
| 4443981 | Concrete form system This invention is directed to a system for pouring concrete and thereby forming concrete floors, sidewalks and the like, wherein the forms used to retain the concrete in place remain as part of the permanent installation. The system is constructed basical... | 04/24/1984 |
| 4434975 | Armored cattle guard A pre-cast concrete cattle guard having longitudinally extending rails and transversely extending beams. The upper edges of selected rails are armored with a protective metal cap which is securely anchored in the rails.... | 03/06/1984 |
| 3957383 | Curb protection device and method A flexible fiberglass shield, of L-shaped cross section and conforming to the size, curvature, and shape of a molded curb between vehicular pavement and walkway areas, and a method for affixing a plurality of shields to a curb by bonding with a cushioning... | 05/18/1976 |
