Matches 1 - 50 out of 65 1 2 >
Match Document Document Title
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
5378356 Roof drain structure  
The present invention relates to a roof drain structure comprised of a drain plate having an upstanding overflow port and a clamp ring used to secure an edge of the roofing substrate against the...
5376264 Drain trap  
A drain trap apparatus is provided for preventing the passage of debris into a drain opening which includes a disposable filter and which allows complete drainage of the wastewater. The drain trap...
5372715 Siphonage floor drain and port protector  
A floor drain and method for its installation, such floor drain incorporating: (1) a flange clamp ring with multiple weep holes, drain tubes with siphonage drain lines, and a tongued and grooved...
5341523 Anti-vortex drain  
An anti-vortex, flush-mounted floor drain for swimming pools consists of a main housing, which is in the form of a hollow cylinder of a first predetermined diameter A drain opening is located in...
5337795 Apparatus for introducing filler material into containers  
An apparatus for introducing filler material in a fluid carrier into a measuring chamber in rapid succession is described. The apparatus includes a delivery subsystem for introducing the filler...
5102537 Piping outlet protector  
An elongated, conical cage of spaced-apart rods is disclosed, each rod having a first and secured to the apex of the cone, and a second end terminating in the open of the cone which is formed by a...
5051175 Drain guard  
The invention includes a drain guard and drain protection system. The drain guard includes a cross-sectionally L-shaped frame having a base and an upstanding sidewall extending therefrom. The...
4964180 Shower strainer mounting assembly  
A shower strainer mounting assembly (10) comprises an elongated cast-in adaptor coupling (12) for being cast into concrete having a lower end portion (16) for receiving standard 2 inch pipe (24)...
4961848 Drain grate with primary and secondary weirs  
An improved roof drain cover useful in minimizing the changes of comparatively large amounts of water backing up around the drain can be constructed so as to include primary and secondary rims...
4658449 Proctective adapter for pool drain  
An adapter for pool drains, including a primary mounting frame secured onto the pool drain with a plurality of arms radiating inwardly and raised to interconnect the second mounting ring. There is...
4652365 Waste screen  
A waste screen for roof drainage outlet located substantially in the plane of the roof consists of an outlet opening in the roof and a plate covering the opening having a circumference and vertical...
4525273 Drain grate with adjustable weirs  
A self supporting grate for a drain structure can be improved by including as part of the grate a mounting base sized and shaped to attach the grate to the drain structure. At least a portion of...
4505814 Adjustably extensible roof drain receptacle  
A roof drain receptacle for mounting on the roof deck of a roofing structure and including an upwardly opening drain body with an externally disposed apparatus for adjustably extending and...
4475844 Method and apparatus for restricting local variations in ground level in the vicinity of surface water drains and manholes  
A tubular drain vertically positioned within the ground beneath the ground level in the vicinity of surface water and having a tubular drain cover-support member anchored in the surface ground...
4418432 Drain filter having filamentary surface irregularities to entangle hair and debris  
A new article of flexible and springy though rigid enough water impervious material provided with spikes or bristles or open web of crinkled filaments or rough indented openings to be installed...
4302126 Manhole cover support ring  
A manhole cover support ring adapted to be placed within an existing manhole frame for raising the height of a manhole cover. A circular ring is formed by a generally vertically extending flange...
4034428 Adjustable drain control assembly  
The invention involves an adjustable drain control assembly for a bathtub or the like, comprising a cylindrical component having both end and side openings exposable within the tub when installed,...
3970559 Drain guard  
A drain guard is disclosed having a tubular body with a funnel-shaped portion at its upper end. The tubular body has an annular recess extending about the inside periphery thereof proximate the...
3920347 Manhole cover  
Disclosed is a manhole cover constructed of structural foam molded synthetic polymeric material and having a transversely intersecting structural rib network integrally joined with the top surface...
3909412 Roof drain arrangement  
A roof drain arrangement for use in a roofing system including a horizontal roof deck and a built-up roof thereon is disclosed herein. The arrangement includes a vertical roof deck connector, a...
3893919 Adjustable top drain and seal  
In a roof drain comprising a top inlet portion as an adjustable collar having a male-threaded downward extension adjustably engaged in a female-threaded bowl or body and received in a caulking...
3839749 SWIMMING POOL LEAF TRAP  
A leaf trap adapted to fit over a drain in the floor of a swimming pool includes a basket shaped to cover the drain. The bottom of the basket has openings through it to strain out leaves and permit...
Matches 1 - 50 out of 65 1 2 >