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| Number | Title | Issue Date |
| 7442296 | Disposable sink drain strainer A disposable drain strainer is removably received within a drain opening having an adjacent drain rim substrate. The strainer has a strainer portion, a ring portion, and a seal release mechanism. Top and bottom surfaces of the ring portion are adapted to sealingly e... | 10/28/2008 |
| 7299930 | Collecting agent comprising ammoniated compounds (primary, secondary, tertiary amines), for use in the process of grinding and/or floating copper, molybdenum, zinc, and other contained mineral ores The present invention provides a ammoniated collector (amine, azepine, etc.) alone or in combination with other thiol-type collecting reactants, as well as sodium, iron, magnesium, and/or manganese sulfates, sulfurs, oxides, and hydroxides, acrylic acid polymers and... | 11/27/2007 |
| 7300573 | Catch basin filter A catch basin filter having apertures and holding a silt barrier material may be securely attached to a drop inlet grate. The catch basin filter has apertures for preventing debris from entering the drop inlet and clogging sewers. A silt barrier material wrapped aro... | 11/27/2007 |
| 7178179 | Anti-entrapment drain A drain for swimming pools, spas, whirlpool baths, etc., includes a plurality of first orifices in communication with corresponding serpentine passageways to minimize hair or a body part from covering and entering the first orifices to a degree sufficient to entrap ... | 02/20/2007 |
| 7132045 | Sanitary, storm and catch basin trap with filter insert A temporary trap having baskets and optionally filters in the baskets used in conjunction with curb inlets for sewer systems to keep debris from being washed into the sewer during construction of roads and sewers. The trap is a box, typically rectangular, square or ... | 11/07/2006 |
| 7121228 | Animal waste disposing assembly An animal waste disposing assembly includes a base that has a top side, a bottom side and a peripheral edge extending between the top and bottom sides. The base has a threaded opening extending therethrough. A cylindrically shaped post is attached to and extends awa... | 10/17/2006 |
| 7065924 | Downpipe connector system A downpipe connector system is disclosed. The system having a downpipe connector for attachment to a channel in a canale. The connector has a first portion with an upstanding wall and a floor from which the floor extends. A tubular extension projects from the floor ... | 06/27/2006 |
| 7052207 | Sediment control drain and method of construction An erosion control basin is a molded open topped receptacle that has support flanges that will support the basin on the interior of a storm drain grate frame. A filter is formed around an upright perforated drain pipe that is on the interior of the basin and which o... | 05/30/2006 |
| 7017313 | Ceiling leak capture and drainage system A fluid leak capture and drainage system for ceiling leaks which includes a ceiling panel support grid and a plurality of ceiling panels mounted thereon is disclosed. The ceiling panel has at least one raised section located within the panel and a wall extending alo... | 03/28/2006 |
| 7011746 | Rainwater surface drain A rainwater surface drain for use in roof drains comprises a substantially funnel-shaped reservatory for water to be drained and covered with an upper strainer or grating member downstream of which an eddy preventing insert means in the form of a flat grate member i... | 03/14/2006 |
| 7005061 | Drain filter device A drain filter device includes a body formed from wire mesh having a plurality of side edge portions integral with each other and forming a substantially square shape. The body further has substantially planar top and bottom surfaces and includes a plurality of elon... | 02/28/2006 |
| 6994786 | Phosphate beneficiation process using methyl or ethyl esters as float oils A process for use in a phosphate ore beneficiation process to minimize the long-term environmental impact of the use of petroleum based hydrocarbon materials mixed with fatty acid based primary floatation reagents for froth flotation in the flotation of phosphate or... | 02/07/2006 |
| 6964135 | Rain gutter clean out device A rain gutter clean out device has a gutter section with a bottom wall opening and a slidable cover which in one position overlies the opening and in another position uncovers the opening to allow gutter debris to be removed there through. ... | 11/15/2005 |
| 6953208 | Drain support plate/under-deck clamp A drain support plate for mounting and securing a drain assembly to a deck in a building structure. ... | 10/11/2005 |
| 6925964 | Pet drain and capture device An apparatus (10) and a device (30) are provided for catching pet hair during the process of bathing a pet in a bathtub (12) or sink-like structure. Typically the apparatus (10) is comprised of a net (18) having a selected mesh siz... | 08/09/2005 |
| 6631588 | Clog-free roof drain cover A clog-free roof drain cover assembly includes a first drain cover fixed over the drain, and a second drain cover which is vertically movable relative to the first drain cover. The second drain cover includes a base provided with weep holes, a skirt locat... | 10/14/2003 |
| 6615817 | Recycling system of wire saw abrasive grain slurry and centrifugal separators therefor A constitution comprises separated processing of an abrasive grain waste liquid into recycled abrasive grain and a fine abrasive grain mixed liquid in a first centrifugal separator, adding a fresh cutting liquid to the fine abrasive grain mixed liquid to ... | 09/09/2003 |
| 6428693 | Temporary silt guard for sewer inlet A temporary silt guard for temporarily enclosing the open upper end of a drop inlet during the construction of a road system in commercial and residential developments is adapted to fit over and seat upon the open end of the drop inlet to enable runoff wa... | 08/06/2002 |
| 6416674 | Silt-guard apparatus for use in a detention pond A silt guard apparatus for filtering runoff water, including a fluid distributing pan coupled to a silt guard or filtering device. The silt guard apparatus is fitted over and seated upon a drainage pipe for controlling erosion at construction sites and fo... | 07/09/2002 |
| 6344137 | Superimposed drain cover A superimposed drain cover is provided. The drain cover includes a tubular seat secured to the top of a cement drain, an outer ring engaged on the top of the seat having a tapered outer periphery and a cobweb surfaced cover covering on the top of the seat... | 02/05/2002 |
| 6270662 | Drain basin filter insert system An insert for use in a drain basin, comprising an outer wall defining a periphery of the insert and having a top edge and a bottom edge. A perforated bottom surface extends across the lower periphery of the insert. A filter, resting on the perforated bott... | 08/07/2001 |
| 6261445 | Temporary silt guard for sewer inlet A temporary silt guard for temporarily enclosing the open upper end of a drop inlet during the construction of a road system in commercial and residential developments is adapted to fit over and seat upon the open end of the drop inlet to enable runoff wa... | 07/17/2001 |
| 6217757 | Storm drain filter with vertical screens The present storm drain filter comprises a tubular housing with a solid vertical surrounding wall and sized for being recessed inside a storm drain. The housing is supported in the drain by a flange around its top edge. A tubular cartridge is detachably a... | 04/17/2001 |
| 6202749 | Well screen system A well screen for preventing contaminants such as debris, pests, and insects from falling into the well water. The well screen includes a barrier having top and bottom faces with a plurality of apertures therethrough. A plurality of elongate hanging arms ... | 03/20/2001 |
| 6093314 | Drain insert for storm water sewer systems, and method of manufacture A drain insert for the drain inlets of storm water sewer systems comprises an outer housing, an inner sleeve integrally formed with and extending within the outer housing, a support hanger carried by the outer housing and adapted to rest atop a concrete f... | 07/25/2000 |
| 6059964 | Collapsible catch basin grate filter assembly A novel filter assembly for a drainage system stormwater catch basin is provided with spaced-apart open frame elements that are joined to and carry a singular mesh fabric filter element, and with manually pivotable support leg elements that permit the ass... | 05/09/2000 |
| 6004457 | Temporary silt guard for sewer inlet A temporary silt guard for temporarily enclosing the open upper end of a drop inlet during the construction of a road system in commercial and residential developments is adapted to fit over and seat upon the open end of the drop inlet to enable runoff wa... | 12/21/1999 |
| 5843306 | Temporary silt guard for storm water collection basin inlet A temporary silt guard for temporarily enclosing the open upper end of a drop inlet during the construction of a road system in commercial and residential developments is adapted to fit over and seat upon the open end of the drop inlet to enable storm run... | 12/01/1998 |
| 5800092 | Method for delaying run-off of flash-storm water or ordinary rainwater from roofs and other surfaces with water-retention capability To retain water on roofs of buildings with a water-retention basin, a vortex-type throttle valve is fitted on the roof and is connected to a drain pipe leading to a drain. The throttle valve makes it possible to control rainwater run-off at a given rate d... | 09/01/1998 |
| 5769566 | Catch basin splash guard A catch basin splash guard for inhibiting water impacting the catch basin side walls, comprising an upper rim section defining an opening of about the same shape as that of the catch basin frame, the rim section adapted to rest on the frame lip; and depen... | 06/23/1998 |
| 5744048 | Clog resistant storm drain filter A removable storm drain filter to be used in combination with an absorbent media, and a catch basin having grated inlet and standpipe outlet to remove pollutants carried in surface drainage. The storm drain filter is designed to fit within a catch basin, ... | 04/28/1998 |
| 5733444 | Debris catcher for manholes and catch basins An annular ring and cap that are positionable within a manhole or catch basin structure above the base of the manhole or catch basin to reduce the amount of debris entering into the manhole or catch basin. The annular ring may be positioned within the man... | 03/31/1998 |
| 5702596 | Roof water inlet A water collection trough has an edge arranged in the plane of a roof and a bottom, arranged with spacing from the edge, with an opening. The opening leads to a drainage pipe mounted down at the bottom of the trough. Two parallel plates are arranged space... | 12/30/1997 |
| 5650065 | Skimmer cover for dry well in a catch basin A skimmer cover for a secondary dispersement system orifice in a storm water catch basin prevents inflow of floatable materials, and especially hydrocarbons from motor vehicles, from entering the orifice. The orifice is defined in a neck extending spacedl... | 07/22/1997 |
| 5632889 | Filter cartridge for separating liquid hydrocarbons from water Perlite particles, after being expanded and treated with a silicone have the ability to selectively absorb hydrocarbons while rejecting water on or in which the hydrocarbons may be present. A carefully designed cartridge having an apertured top and an ape... | 05/27/1997 |
| 5618416 | Roof drain A roof drain including a grated, inverted, frusto-conically-shaped cover received in a roofing material clamp having a radial, upstanding, debris-discouraging flange. The cover and roof material clamp are demountably fixed to a flanged drain body and clam... | 04/08/1997 |
| 5615526 | Drains for single layer synthetic roofing and waterproofing membranes An inexpensive drain assembly for draining water from flat roofs, balconies, decks and other flat or low sloping surfaces that are covered with a water-tight single layer synthetic roofing and waterproofing membrane. The drain assembly includes a grate ha... | 04/01/1997 |
| 5469670 | Roof drain A roof drain for draining rainwater from a roof. A bell-like strainer is supported by a compression/tension unit including resilient means, which unit is in turn mounted to a drainage sleeve that communicates with a leader. The strainer is secured to the ... | 11/28/1995 |
| 5458769 | Floor drain The floor drain comprises a drainage bowl (2) or outlet gutter with an upward facing inlet opening (4) and an outlet (5), comprises slots (9) or passageways having each a substantially vertical portion with a constant cross-section, and having each its en... | 10/17/1995 |
| 5394657 | Method and apparatus for free-standing water removal from roof and siphon head therefore My invention relates to an improvement of a siphon head for use on a flat roof for a building having a recessed drain. The drain includes an inverted cup-shaped drain member with peripherally spaced elongated drain slots. The siphon head is comprised of a... | 03/07/1995 |
