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| Number | Title | Issue Date |
| 7491017 | Surface drainage system A surface drainage device, in particular a sink tank is provided for connection to a drainage device or similar water-conducting element. At least one wall section of the surface drainage device is provided for connection to the water-conducting element and includes... | 02/17/2009 |
| 7357600 | Water management system A water management system includes a series of corrugation couplers adapted for compressibly connecting and detaching liner sections end to end. Each corrugations coupler is included in successively formed corrugation segments. Each corrugation segment includes two ... | 04/15/2008 |
| 7320485 | V insert edge contour A V-band clamp that includes an annular band having an inner surface and an outer surface. A latch assembly is attached to the outer surface of the band for attaching objects together. A plurality of insert segments are attached to the inner surface of the band, whe... | 01/22/2008 |
| 7306402 | Landscaping channel liner apparatus A landscaping channel liner apparatus is provided having a longitudinally-extending trough and longitudinally-extending receptacles. The longitudinally-extending trough has a longitudinally-extending floor located between opposed longitudinally-extending side walls ... | 12/11/2007 |
| 7306401 | Apparatus for conveying fluids The present invention may be assembled for use in conveying fluids flowing on terrain. A conduit may have two elongated side walls and a bottom connector formed in an approximate V cross section shape. The two elongated side walls may have an upper flange with an ed... | 12/11/2007 |
| 7252457 | Channel installation device A cradle assembly for installing trench drain or conduit channels which enables the channels to be suspended from support rods while simultaneously permitting the adjustment of the channel height with in the trench. Because the assembly enables the channel to be sup... | 08/07/2007 |
| 7246778 | Releasable barb assembly The embodiments provide a barb assembly for use with a cable duct component to oppose removal of a cable duct section from the cable duct component. The barb assembly can comprise a releasable assembly for applying a force to a barb and, responsive to the applicatio... | 07/24/2007 |
| 7226022 | Cable duct coupler A cable duct coupler for coupling a first cable duct section to a second cable duct section without the need for tools, the cable duct coupler comprising a channel portion, a first outer guide element and a second outer guide element, a barb mount extending from at ... | 06/05/2007 |
| 7165914 | Ditch liner system The specification and drawing figures describe and show one or more improved ditch liners removably assembled into an improved ditch liner system. The improved ditch liner system includes a first liner section and a second liner section. Both liner sections are form... | 01/23/2007 |
| 7156580 | Interlockable drainage system The specification and drawing figures describe and show an interlockable drainage system insertable into a ditch that includes two or more liner sections. Each liner section includes a plurality of corrugations that are asymmetrical. The interlockable drainage syste... | 01/02/2007 |
| 7134808 | Drain sealing Plastic liner sections define a drainage channel when placed end to end. Each end has a stiff, double walled flange at each side of the end adapted to butt up to a similar flange at the adjacent end of the next sections. The double walled construction of the flanges... | 11/14/2006 |
| 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 |
| 7025532 | Apparatus and method for transporting water with liner An apparatus and method for lining ditches is provided. The apparatus and method for lining ditches, according to the present invention, includes a plurality of substantially corrugated liner sections, preferably made of a thermoplastic material such as polyethylene... | 04/11/2006 |
| 7014390 | Drainage member with expansion zones A drainage member for use in promoting the drainage of water away from a substrate positioned adjacent the drainage member which includes an elongated, longitudinally extending base formed of a flexible material and having a plurality of outwardly extending projecti... | 03/21/2006 |
| 7004512 | Indented apex V-retainer coupling with cushion A pipe coupling includes a first lateral wall, a second lateral wall and an apex wall spanning and connecting the first lateral wall to the second lateral wall. The apex wall includes an outer surface and an inner surface. A gasket is disposed on the inner surface o... | 02/28/2006 |
| 6991404 | Closed modular ditch liners A closed modular ditch liner includes a plurality of closed liner sections, a plurality of covers, and at least one alignment key. The cross section of each closed liner section includes at least one trough contour and a single cover retention lip formed on a top en... | 01/31/2006 |
| 6942424 | Width expandable modular ditch liners An open modular ditch liner includes a plurality of open liner sections and at least one channel alignment key. The at least one channel alignment key is sized to receive a thickness of two adjacent open liner sections. An erosion barrier insert may be placed betwee... | 09/13/2005 |
| 6880295 | Snap lock device for hingedly securing an extension to a downspout A snap lock device is disclosed for hingedly securing an extension to a downspout. The device includes a first member having a head and a shank extending from the head. The shank extends through a first hole defined by the extension and through a second hole defined... | 04/19/2005 |
| 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 |
| 6817807 | Modular ditch liners An open modular ditch liner includes a plurality of open liner sections and at least one alignment key. A substantially concave shape is formed in a top of each open liner section. At least one key slot is preferably formed on at least one side of each open liner se... | 11/16/2004 |
| 6722818 | Ditch liner system A ditch liner system is provided. The ditch liner system includes a plurality of removably engageable corrugated ditch liners. Each of the removably engageable corrugated ditch liners is monolithically formed with a compressibly connectable member at one end, and a ... | 04/20/2004 |
| 6698977 | Modular ditch liners A modular ditch liner have open and closed embodiments. An open modular ditch liner includes a plurality of open liner sections and at least one alignment key. A substantially concave shape is formed in a top of each open liner section. A key slot is pref... | 03/02/2004 |
| 6692186 | Apparatus and method for transporting water An apparatus and method for lining ditches is provided. The apparatus and method for lining ditches, according to the present invention, includes a plurality of substantially corrugated liner sections, preferably made of a thermoplastic material such as p... | 02/17/2004 |
| 6273640 | Irrigation ditch liner An irrigation ditch liner system comprises a plurality of liner sections including at least one straight conduit section and one corrugated conduit section, each conduit having a semi-cylindrical body portion defining a conduit interior diameter, vertical... | 08/14/2001 |
| 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 |
| 6132137 | Drainable fields and associated methods An elongate grate capable of securing an edge portion of an artificial turf surface within a drainage channel is provided. The grate includes an elongate central portion defining a plurality of openings to permit runoff from the artificial turf surface to... | 10/17/2000 |
| 6113311 | Trench drain A modular trench drain for use in a trench drain system. The trench drain includes an open-faced channel including a narrow throat into which water can flow and a wider flow passage. The trench drain can include an integrally formed, removable cover which... | 09/05/2000 |
| 5971662 | Trench drain A polymeric trench drain for use in a trench drain system. The trench drain includes an open-faced channel having a crushing rib. The crushing rib prevents buckling of the trench drain due to changes in temperatures. The trench drain also includes removab... | 10/26/1999 |
| 5853265 | Edge adapter for athletic playing surface and associated method A resilient edge adapter is provided for defining an edge of a drainable athletic playing surface formed of a moldable material. The edge adapter includes a base portion for cooperably engaging an upper portion of a drainage channel and an upstanding port... | 12/29/1998 |
| 5779393 | Drainage channel grates for athletic playing surfaces and associated methods An elongate grate capable of securing an edge portion of an artificial turf surface within a drainage channel is provided. The grate includes an elongate central portion defining a plurality of openings to permit runoff from the artificial turf surface to... | 07/14/1998 |
| 5718537 | Trench drain A polymeric trench drain for use in a trench drain system. The trench drain includes an open-faced channel having a crushing rib. The crushing rib prevents buckling of the trench drain due to changes in temperatures. The trench drain also includes removab... | 02/17/1998 |
| 5662812 | Trough system for machine tool coolant collection flumes A machine tool coolant collection flume system (10) for communicating machine tool coolant from machine tools to a filtration system includes a main trough (12) and a tributary trough (14) intersecting the main trough wherein each trough (12,14) slopes do... | 09/02/1997 |
| 5658092 | Adjustable downspout extension assembly An adjustable extension assembly for a downspout includes a fixed piece attachable to the lowermost end of a downpipe, a rotatable collar attached to the fixed piece, and at least one extension pivotally attached to the rotatable collar. Additional slidab... | 08/19/1997 |
| 5573350 | Method for cutting complexly shaped foamed plastic bodies from a workpiece and foam body products A method for cutting first and second complementary foamed plastic bodies of a predetermined shape from a single workpiece includes the step of moving a linear cutting element through the workpiece. The linear cutting element, such as a heated wire, is mo... | 11/12/1996 |
| 5573351 | Method and apparatus for relining or forming a trench A trench liner system used for lining a single containment trench and for forming a dual containment trench from a single containment trench comprising a primary liner means within the trench supported by a separating means between the primary liner and t... | 11/12/1996 |
| 5553973 | Flumes for manhole inverts Flumes for manhole inverts are described and formed of integrally molded segments which interfit with each other so as to connect inlets to an outlet of a manhole independent of the shape and size of the manhole. The flumes are made in a set and in one se... | 09/10/1996 |
| 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 |
| 5315090 | Awning gutter An elongate channel member is arranged for mounting to a front wall of an awning to direct rainwater therefrom. The channel is arranged to include spaced lug members, having support apertures to each receive a fastener for securement of the channel to the... | 05/24/1994 |
| 5300220 | Trough system for machine tool coolant collection flumes A machine tool coolant collection flume system (10) for communicating machine tool coolant from machine tools to a filtration system includes a main trough (12) and a tributary trough (14) intersecting the main trough wherein each trough (12,14) slopes do... | 04/05/1994 |
| 5256000 | Apparatus for forming a multi-walled trench A system for forming a multi-walled trench comprising a pair of frame members, each having a horizontal section and a section depending from the horizontal section; a holding pan having sidewalls exterior to the depending portion of the frame members, a b... | 10/26/1993 |
