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4494891 |
Grating for a highway construction in particular for a sewer opening
A grating (1) is composed of a series of transversal elements (2) which each have a central hole (11) and, at each end and on each surface, a planar surface (5) for abutting an adjacent transversal...
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4492491 |
Rain water roof outlet or similar for a building
A rain water roof outlet for a building for conducting rain water from a roof as an airless flow, i.e. as a full water flow. The arrangement includes a vertical pipe which at its upper end is...
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4487690 |
Sump or flush installable roof drain
A roof drain for either a sump or a flush installation has a body having a centrally located water collecting section which is capable of being attached to a pipe, a first surface extending...
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4472274 |
Debris separator for downspouts
A debris separator for rain gutter systems includes a substantially tubular housing having an upper port, a lower port, and an expanded chamber beneath the top port having a transverse opening. An...
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4460462 |
Leaf trap and main drain assembly
A swimming pool leaf trap and main drain assembly collects and removes leaves and other debris from the floor of a swimming pool. The assembly includes a main drain recessed in a swimming pool...
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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...
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4367142 |
Grate for drainage ducts
A ladder-like grate for use in drainage ducts, which grate includes a main surface portion and opposed, upright longitudinal edges extending along respective longitudinal sides of the main surface...
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4356087 |
Rodent barrier device
A barrier device for installation in a drain tile adjacent the outlet of the tile includes a plurality of spaced apart barrier elements affixed to a sleeve to define a perforate gate. The gate is...
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4348281 |
Skimmer assembly for swimming pools
A skimmer assembly for use in swimming pools in which a skimmer housing is provided with a skimming inlet and a drain inlet for receiving water from a pool. An outlet is also provided for...
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4302918 |
Plug
A plug adapted to be inserted into the open end of a channel of a concrete slab which is provided with a plug portion having a perimeter conforming to the cross section of the channel and of...
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4281944 |
Manhole cover support
An adjustable support for varying the height of a manhole cover after a street surface has been resurfaced is presented including vertically disposed posts in a downward position on each end of...
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4273466 |
Basin
The present invention relates to a new and improved catch basin including a frame means mounted around an opening in drainage and/or sewer pipes, a riser means having an opening at each end thereof...
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4273467 |
Adjustable manhole cover support
An adjustable manhole cover support. The support comprises an outer ring having a circular internal opening. Threaded members are disposed about the interior of the circular opening. An insert is...
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4272370 |
Gutter strainer
A gutter strainer having a central grid portion defining a plurality of openings for impeding passage of debris while allowing passage of water is provided for vertical mounting at any desired...
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4263138 |
Trap-type drain fitting
A trap-type drain fitting is comprised of a base, an intermediate part, and an insert. The base has a lateral outlet connection and an outer wall having a base rim and an inner wall spaced radially...
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4248711 |
Basement floor drain and integral trap
A drain/trap to be installed in a basement flooring comprises an assembly cast in metal or molded from a corrosion-resistant synthetic resin includes an upwardly open housing of generally tubular...
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4216790 |
Storm drainage systems
A storm drainage system and a device for use in the system for restricting the rate at which water drains from an eavestrough is disclosed hereinafter. The storm drainage system includes a...
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4205710 |
Funnel device for safe disposal of chemical wastes
A device for safe disposal of chemical wastes for placement in a sink atop the drain for the simultaneous mixing of disposable flowable material and flushing liquid, such as tap water, into the...
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4197031 |
Adjustable manhole cover
A vertically adjustable manhole cover assembly having a fixed annular support member, and a vertically adjustable annular member supported therein. The support member is provided with sets of...
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4126404 |
Grating
A grating to cover a drain for a paved surface such as a road comprises a set of parallel bars interconnected by spacers. In the central part of the grating, adjacent pairs of bars each have only...
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4107929 |
Rain water roof outlet or similar for a building
A rain water outlet for a roof of a building comprising a vertical pipe and a trough fixed to the upper end of said pipe. A lid is fastened in the trough above the inlet end of said pipe. The lid...
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4101236 |
Sealing manhole cover for use on existing unsealed sanitary sewer manhole cover frames
A manhole cover having no openings is provided with a blind pocket for insertion of a lifting tool and has a rectangular O-ring groove in the lower surface to receive a circular O-ring. The groove...
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4050839 |
Process for raising manholes
A process for raising manholes and manhole covers to a new grade level of a street when constructing new streets or when paving old streets, comprising the steps of placing a sealing means around...
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4049551 |
Safety device for open receptacle
A safety device for open receptacles adapted for use with flammable solvents and the like. The safety device comprises a unitary piece adapted to be received within the drain opening of a sink or...
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4042983 |
Drain assembly for sinks and the like
A drain assembly for a sink or the like employs a plastic sleeve below a retaining flange, the periphery of the sleeve being provided with several groups of flexible fins extending out therefrom...
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4035297 |
Closure for roof drain
This disclosure relates to a closure device for a roof drain comprising a generally inverted cup-shaped cap having an apex portion and a peripheral skirt terminating in a peripheral edge carrying...
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4030851 |
Manhole closure including a two-way pressure relief valve
A manhole closure for diverting liquid away from a sewer system that is readily installable in a conventional manhole opening beneath a manhole cover, the device including two-way pressure relief...
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3973856 |
Manhole closure assembly
A manhole closure assembly primarily for preventing drainage and storm water from emptying into a manhole leading to a sewage system. The closure assembly includes a retaining ring secured within a...
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3972078 |
Drain sieve
A device protects against inadvertent loss of objects down drain pipes when the associated drain stopper is in an opened position. The associated stopper includes a top closure portion, an...
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3945746 |
Grating structure for roadway storm drain inlets and the like
A rectangular grating panel to be supported in a stationary frame surrounding an opening of a storm drain inlet or the like, the grating panel having an outwardly projecting anchor leg at one side...
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3932281 |
Leaf trap kit for swimming pools
This leaf trap kit for swimming pools includes an inverted, perforate basket which is fitted over the main drain outlet of the pool, a dome-like housing open at its underside and having lateral...
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3884809 |
Scupper drain structure
A scupper drain structure which is primarily intended for use with flat or comparatively flat roofs can be constructed utilizing a laminated body consisting of a self supporting layer of an ABS...
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3876322 |
Expansion drain
A drain is disclosed for separating or bordering sections of concrete and includes an elongated enclosed channel having sidewalls with dove-tail shaped indentations or keyways therein to form a...
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3864261 |
AQUARIUM SEDIMENT TRAP
An aquarium has a suction pipe running along the inside bottom surface. A hollow container having an open bottom with vertical closed sides, one of which has an opening, is disposed in the tank and...
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3828931 |
SUBMERGED LITTER COLLECTOR
A litter collector for the outlets of swimming pools and the like liquid containers, the trap being formed of non-corrosive material and having a movably supported buoyant cover open while the trap...
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3815748 |
UNIVERSAL BASIN FOR USE IN A SEWER SYSTEM
A basin for use in a sewer system and having a draining device designed as a cover consisting of a housing with a submerged inlet opening and a centrally located outlet opening, the said housing...
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3815749 |
STREET DRAIN FOR USE WITH A SEWER SYSTEM
A street drain which is to be used with a sewer system and which includes a water collection basin, positioned in the street, and a dry well generally located adjacent the street. The collection...
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3727763 |
STRAINER-STOPPER ASSEMBLY
A strainer-stopper assembly for location within the usual cylindrical drainage well of a sink, garbage disposer or the like. The assembly includes a resilient annular strainer body adapted for...
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3703194 |
RESILIENT CONNECTOR
A resilient connector suitable for use on sheet metal which comprises an integral resilient plastic molding having a lower tubular section and a pair of flanges at its top extremity. The edges of...
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3674149 |
PLUMBING GRATE FIXTURE
A grate fixture adapted to cover a drainpipe having a bell-mouthed flaring with a planar edge and a circular groove near the edge. The fixture provides a grate portion to cover the mouth of the...
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3667611 |
SWIMMING POOL LEAF TRAP
A portable leaf trap for use with swimming pools comprising a dome-like housing, perforate means affixed to the housing, a flexible base member extending outwardly from the housing, and lift means....
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3529723 |
ROOF DRAIN
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3469698 |
CONTROLLED FLOW DRAIN
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3445973 |
REMOVABLE COVER FOR DRAIN FIXTURE
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3411628 |
Combination plastic-stainless steel sink strainer
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3385442 |
Inlet fitting for drain tiles
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3383715 |
Sink strainer assembly
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3378858 |
Drain assembly
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3357561 |
Roof drain
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3341020 |
Anti-clogging device for downspouts and similar drains
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