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| Number | Title | Issue Date |
| 7413372 | Trench drain frame and grate assembly A trench drain frame, and associated grate, adapted to be mounted atop a commonly available drain pipe, for casting-in-concrete in poured concrete or packed asphalt, or otherwise embedding in a suitably tightly packed supporting material, the frame having a pair of ... | 08/19/2008 |
| 7152378 | Panel forming system and components The present invention relates to configurations of pre-cast panel forming systems and various components of the panel forming systems. In one embodiment, a bulkhead is provided wherein a cross-sectional support member is located at a point along the height dimension... | 12/26/2006 |
| 7150131 | Utility trenching and sidewalk system A utility trenching and sidewalk system comprising modular utility sidewalk units which may be assembled together to form a cable trench. The modular units are formed from plastic composite material and include sidewalls, a bottom wall and covers which define a cham... | 12/19/2006 |
| 7146295 | Computerized design method and apparatus for drainage systems A drainage system design method and apparatus including a computer program that enables a computer user to design and obtain computer-generated stackings of drainage system structures such as manholes. The user inputs dimensional and structural information concernin... | 12/05/2006 |
| 7117642 | End cap for rain gutters An end cap for rain gutters having an overlying cover for deflecting leaves and other debris to prevent gutter and downspout clogging. The end cap includes a gutter trough closure region, for blocking water flow from the end of the gutter, and a second, above-trough... | 10/10/2006 |
| 7047700 | Panel forming system and components A pre-cast panel forming system. The system includes one or more bulkheads to constrain the flow of uncured panel-forming material. The bulkhead is made up of an upstanding form and a base clip to secure the upstanding form to a panel-forming surface. The base clip ... | 05/23/2006 |
| 7004674 | Pre-fabricated warped pavement slab, forming and pavement systems, and methods for installing and making same A pre-fabricated warped pavement slab and a forming system for making the slabs. The forming system includes a plurality of forming sections which can be adjusted so as to form a warped-plane pavement slab. Also disclosed are methods for making the pavement slab and... | 02/28/2006 |
| 6962463 | Construction of environmental and water-permeable paving A method of constructing an environmental and water-permeable paving, which includes the steps of connecting a plurality of frame units composed of water ducts and connecting meshes to form a great area of framework; burying the frame units into the soil, above the ... | 11/08/2005 |
| 6860678 | Method and apparatus for aligning channel sections with an adjustable alignment key A channel system for forming a trench is disclosed that includes a number of precast drainage channel sections and one or more alignment keys for aligning and interlocking adjacent channel sections. Each alignment key includes a base shaped for laterally bridging ac... | 03/01/2005 |
| 6702510 | Utility sidewalk A utility trenching and sidewalk system comprising modular utility sidewalk units which may be assembled together to form a cable trench. The modular units are formed from plastic composite material and include sidewalls, a bottom wall and covers which de... | 03/09/2004 |
| 6663317 | Drainage channel A drainage channel includes a conduit defining a lengthwise extending opening and an inlet defining a passageway in fluid communication with the opening. The inlet may have an exterior surface that defines a plurality of pockets spaced apart in the length... | 12/16/2003 |
| 6286874 | Hose coupling protector A molded synthetic resinous closure into which hose connections between parked vehicles and a water source are positioned to be protected against damage caused by vehicles running over the connector parts.... | 09/11/2001 |
| 6220784 | Method and apparatus for forming a trench An apparatus for forming a trench which is adapted to receive at least one grate that will cover the trench. The apparatus comprises first and second frame rails that are connected by at least one removable spacer. The spacer is sized and configured to ma... | 04/24/2001 |
| 5755527 | Roadway water ramp apparatus Ramp apparatus conveying water across a thoroughfare includes a pair of ramp elements spaced apart from each other with a liquid carrying element disposed between them. The ramp elements and the liquid carrying element are secured together as an integral ... | 05/26/1998 |
| 5735637 | Method and apparatus for supporting and anchoring drainage channel sections A support frame assembly is provided for supporting drainage channel sections adjoined in an end-to-end relationship and for anchoring the drainage channel sections to a support surface. The support frame assembly includes a pair of substantially vertical... | 04/07/1998 |
| 5645367 | Drainage system having an embedded conduit connector A drainage system includes a conduit connector which is integrally molded within a precast drainage system component in order to provide for the interconnection of a variety of drainage system components, such as drainage channel sections and catch basins... | 07/08/1997 |
| 5518336 | Drainage gutter and method of installing Drainage gutters for installation in the ground are known which comprise a gutter body at the upper edges of which are integrally cast frames into which a cover can be placed. As they are installed in the ground the drainage gutters are sealed from the gr... | 05/21/1996 |
| 5501547 | Modular channel section assembly for providing a drainage system A modular assembly of channel sections (2) is disclosed which are connected to one another for providing a drainage system by a shutter coupling between a groove 24 formed at one end of any channel section and a rib (6') formed at the other end. Channel s... | 03/26/1996 |
| 5437516 | Surface drainage apparatus Surface drainage apparatus is provided comprising a channel body defining a drainage channel and a cover for the channel. A fixing means is provided for attachment of the cover to the channel body and comprises a first fixing element for attachment to the... | 08/01/1995 |
| 5375940 | Water permeable landscape ditch cover A water permeable landscape ditch cover comprising a monolithic body with a paved, water permeable surface comprised of a aggregate material and a synthetic resin binder.... | 12/27/1994 |
| 5372457 | Method and apparatus for installing drainage channels A support device for maintaining drainage channel segments at a predetermined elevation above the earth, as surface material is poured and rises from the subgrade level to the finished grade level. Disclosed is an elongated rod with a sharp triangle-shape... | 12/13/1994 |
| 5320445 | Grate riser assembly for use with catch basins and the like An improved grate riser assembly for use with catch basins and the like comprising vertically open rectangular frames with two opposing frame sections carrying inwardly projecting horizontally grate support flanges. Cooperating grates have opposite end po... | 06/14/1994 |
| 5282691 | Structural material and drain A structural material is disclosed which comprises pieces of shredded rubber bound together using a bituminous binder with the size of the pieces of rubber being big enough for an interconnected void volume to be provided within the structural material in... | 02/01/1994 |
| 5267367 | Safety ramp and method for protecting hoses and conduits An apparatus and method have been developed for protecting a hose or other utility conduit from damage caused by traffic crossing over such conduits. Substantially rectangular ramp units with covered conduit channels are interlocked to form an elongate sa... | 12/07/1993 |
| 4898494 | Subsurface water drainage system A drainage system for location adjacent a pavement subbase includes a tube of a geotextile fabric supported by a self-sustaining water-porous plastic support. An end of the fabric tube and its encased support are compressively received in the flared open ... | 02/06/1990 |
| 4806043 | Method and device for drainage of borders of all stabilized civil engineering areas or of adjacent borders of a structure A vertical drainage element is constructed and laid in position while at the same time forming a narrow vertical channel in the ground by means of an excavating machine or trencher by performing the following successive operations: a strip of filtering ma... | 02/21/1989 |
| 4793728 | Subsurface water drainage system A drainage system located adjacent a pavement subbase includes a tube of a geotextile fabric supported by a self-sustaining water-porous plastic support. An end of the fabric tube and its encased support are compressively received in the flared open end o... | 12/27/1988 |
| 4508470 | Manhole/access cover and frame assemblies A frame, for a manhole/access cover and frame assembly, has outer peripheral portions which are generally of inverted U-shape in cross-section, and the outer surfaces of the peripheral portions, forming the outer limb of the inverted U, are formed with a ... | 04/02/1985 |
| 4181448 | Combination roadway and pipeline way in permafrost regions A combination roadway and pipeline way for use over permafrost comprising a roadbed and at least one pipeline embedded in a side area of the roadbed, insulation means carried between the pipeline and permafrost and extending laterally from both sides of t... | 01/01/1980 |
| 4124324 | Modular cable trench system A modular cable trench system for receiving cable in a trench excavated in the earth. The system includes one or more tee and/or channel elements of lightweight modular construction, with each of the molded modular units including a bottom frame and oppos... | 11/07/1978 |