Matches 51 - 100 out of 205 < 1 2 3 4 5 >
Match Document Document Title
6419840 Cleaning system for swimming pools and the like  
A cleaning system for a swimming pool having plural active drains deployed about the bottom wall of a swimming pool and that cooperate with plural stationary nozzles mounted in the side walls that...
6409917 Accessory for use in a water treatment system of a swimming pool  
Servicing of a water treatment system of a swimming pool is facilitated by an accessory that is placed over the intake/return port of the water treatment system to fluidically isolate that...
6395167 Whirlpool bath filter and suction device  
A whirlpool bath has a combination suction fixture and disposable filter. The suction fixture is a plastic semi-cylindrical housing attachable to the tub. A removable faceplate is reinforced and...
6387252 Compact filtration unit for swimming pool basin  
A filtration unit for a swimming pool having a basin. The unit includes a filtration compartment that communicates with the water in the basin and is secured to a side wall of the pool. The...
6251285 Method for preventing an obstruction from being trapped by suction to an inlet of a pool filter pump system, and lint trap cover therefor  
A method for preventing an obstruction from being trapped by suction to an inlet of a pool filter pump system, and a lint trap cover therefor. The cover is for installation on a lint trap unit...
6217754 Swimming pool filter  
A swimming pool filter including a casing having an opening and a filter cartridge arranged in the casing having an axial hollow core. The swimming pool filter also includes a top cover having...
6210568 Skimmer and waterfall apparatus  
A combination skimmer and waterfall apparatus for use with a pool or spa. A skimmer is provided with a waterfall supply opening operable to deliver a flow of waterfall water into the skimmer...
6180017 Pool skimmer basket assembly and method  
A pool skimmer basket assembly is submerged in a filter passage. The filter passage communicates with a filter opening formed in a wall of a pool. The basket assembly operates to separate and...
6138294 Cooling device for compact pumping and filtration assembly for swimming pool  
Apparatus for pumping and filtering water from a swimming pool that includes a caisson that is divided into three compartments. A filtering unit is contained in one compartment (A) and contains...
6080324 Swimming pool surge pit filter  
An improved filtering device for a swimming pool surge pit is provided. The filtering device includes a frame with first and second filter elements removably mounted in the frame such that water...
6071403 Pool skimmer basket assembly including a buoyant handle  
A pool skimmer basket assembly is submerged in a filter passage. The filter passage communicates with a filter opening formed in a wall of a pool. The basket assembly operates to separate and...
6048453 Swimming pool skimmer valve system  
A skimmer valve system for a swimming pool includes a skimmer mounted in a wall of the swimming pool that has an intake port coupled via a primary suction pipe to the suction system of the swimming...
6036853 Articulated filter core element  
A common filter assembly is formed from a filter membrane which is supported by a filter core element. The core element according to the invention is substantially planer in the as-molded condition...
6022481 Single pump pool cleaning system and method of simultaneously operating a full-function skimmer and multiple cleaning heads  
A swimming pool cleaning system includes a pump, a first tube coupling a suction port of the pump in fluid communication with a main drain or mobile cleaning device which draws water and settled...
6007714 Auxiliary filter assembly for a swimming pool skimmer  
An auxiliary filter assembly is for use in a skimmer of residential swimming pools. The assembly comprises an adaptor collar and a cleanable filter basket. The adaptor collar is substantially flat...
5996138 System and method for contributing to the control of the total dissolved solid levels in a pool and for conserving water  
A system and method are set forth for decreasing the levels of total dissolved solids (TDS) in a swimming pool and for conserving water. An amount of water is drawn from the swimming pool water...
5879547 Filter panel for swimming pool  
Apparatus for filtering swimming pool water that includes a housing having a front wall that forms an integral part of the pool's side wall. The housing has a front compartment that is filled with...
5862541 Swimming pool skimmer well frog rescue device  
The exit ramp of the invention comprises a flat, discoid base lying flatly on the bottom wall of a conventional pool skimmer screen bucket. An upright post is fixed to the base and vertically...
5830350 Pool skimmer basket  
The invention is of an improved pool skimmer basket which provides means by which water is vented through the basket, even when the strainer orifices are clogged. Applicant's basket is fitted with...
5785846 Venturi-powered filtration system for pools  
An improved filtration system for swimming pools and the like is disclosed, in which none of the water passing through the filter passes through the recirculating pump for the swimming pool. This...
5759414 Swimming pool main drain assembly  
A swimming pool main drain assembly comprises a cup-shaped fitting recessed in a pool bottom and having an open mouth substantially coplaner with the pool bottom. A port is provided in the fitting...
5753112 Main drain leaf removal system for pools  
An improved leaf removal system is disclosed for removing leaves and the like through the floor drain of a swimming pool. conventional recirculation system for the pool. This is accomplished by...
5750022 Vacuum system for removal of debris from swimming pools  
A swimming pool debris removal system includes a recirculating pump and a vacuum chamber having an access port, an inlet port, and an outlet port connected to a suction inlet of the pump. The inlet...
5672271 Collapsible pool skimmer apparatus  
A pool skimmer apparatus having a skimmer basket with an upper ring and a mesh bag depending therefrom. A plurality of risers on the upper ring provide an annular gap between the upper ring and the...
5665248 Method of purging air from a swimming pool hose  
An in-line priming device removably attached between the vacuum hose, skimmer/filter basket and the hydraulic pump of a conventional poolside skimmer/vacuum system. The in-line priming device...
5642534 Spa weir gate  
The weir gate includes a pair of spaced juxtaposed guides that are disposed vertically on either side of an opening between the interior of a spa and a filtration cavity. A lower gate is fixed to...
5641399 Air development system for a pool cleaning device  
A swimming pool cleaning system 2 is provided which provides both water suction and compressed air to a pool cleaning device. A pump 20 draws water form a swimming pool P through the pool cleaning...
5632890 Ceramic filter filtration apparatus for purifying swimming pool water  
The method of cleaning porous ceramic filters with a backwashing apparatus comprising an accelerating circulation path and a unit for mixing accelerated water with high-pressure air can be...
5605622 Swimming pool vacuum system  
A vacuum system for use in a swimming pool installation including a swimming pool and a recirculating system. The recirculating system includes a skimmer device and a main drain coupled to a pump...
RE35410 Spa with recessed filter chamber  
A spa or bath is disclosed having a molded shell with a filter cavity molded therein, the cavity being proportioned and arranged to receive a filter, and the cavity further being open inwardly and...
5554277 In-line leaf trap  
An in-line leaf trap captures the leaves and debris that are gathered by a manual or automatic suction-type swimming pool cleaner before they can enter the swimming pool's water filtering system....
5482630 Controlled denitrification process and system  
A process and system for the reduction of nitrate to nitrogen in a fluid medium. Anaerobic bacteria fed by a carbon source are used for nitrate reduction. The addition rate of the carbon source and...
5366021 Fire fighting equipment for use in association with homes equipped with swimming pools  
Fire fighting equipment is adapted for installation in association with a swimming pool or spa and associated water filtering and circulating equipment. A three-way valve is fluidly connected to a...
5285538 Sealing assembly for a swimming pool skimmer  
A sealing assembly is provided for a swimming pool skimmer. The sealing assembly includes a face plate having either one of a laterally extending, raised bead or an outwardly extending flange...
5269913 Debris trap  
A debris trap and in-pool skimmer for use in combination with a swimming pool cleaner having a housing; a housing lid having a conduit with an inlet and an outlet; a filter suspended within the...
5236581 Spa with filter assembly accessible through its coping lip  
A spa having a filter assembly mounted in a sidewall and accessible through the coping at the top periphery of the spa. The filter assembly has a plurality of filter elements and a chemical...
5234583 Semi-permeable membrane filtering systems for swimming pools  
A nanofiltration and/or reverse osmosis system for filtering swimming pool water which system and apparatus eliminates dissolved organic and inorganic matter that is not removed by conventional...
5178523 Auxiliary package for a bath-pool  
An auxiliary package for a bath-pool, particularly for a sauna bath-pool, comprising a housing having a water inlet for receiving water from the bath-pool, a water exit for sending the water back...
5100563 Method for introducing pure hot-spring water directly transported from a spa into a spa house bath and for maintaining the purity and freshness of the introduced water  
A method for introducing pure hot-spring water directly transported from a spa into baths of a spa house and for maintaining the purity and the freshness of the introduced water. Pure hot-spring...
5100541 In-line debris trap for swimming pool filtration system  
This invention is concerned with the sealing of component parts of equipment providing a path for liquid therethrough under reduced pressure and to the inclusion of a lip seal between the...
5078863 Pool skimmer  
This invention relates to a pool skimmer which is adapted to remove floating fractions, such as floating debris, from the surface of water. The pool surface skimmer of the invention comprises a...
5068033 Underdrain assembly with pivotally-mounted and lockable laterals  
An underdrain assembly contained within a swimming pool filter has a plurality of laterals, each of which is pivotable between a non-operating position and an operating position. Each of the...
5008008 Universally adaptable pool water filter structure  
A universal swimming pool water filter apparatus for a bottom opening tank comprising multiply useful dual reverse flow port means and cooperating filter medium support having various filtered...
4945908 Balneo-phototherapeutical treatment process and bath  
The apparatus includes a basin with a 10-50 cm depth preferably 20 cm and at least a metal halide high pressure lamp (MeH), a mercury high pressure lamp (HgH) or a mercury low pressure lamp (HgN)...
4942630 Spa with door access filter and control  
A whirlpool spa in which the spa filter and primary controls are mounted on an access door, which in turn is pivotally mounted along its bottom edge to the spa cabinet, whereby the primary controls...
4921617 Backwasher adaptor for swimming pool filter system  
A conventional filtering system of a swimming pool is modified by the provision of an adaptor which is shaped to be inserted into the discharge opening of the pool skimmer so as to prevent...
4921601 Component part of filter casing  
The invention relates to a component part of a casing for a swimming pool filter. The component part is integral with an outwardly extending flange, the flange having mounting means for mounting...
4917795 Automatic valve assembly  
An improved automatic air pressure relief and check valve assembly which may be used in combination with a swimming pool filter tank or a swimming pool separation tank. The valve assembly includes...
4913810 Skimmer apparatus sealing and closure assembly  
Skimmer apparatus, for a recreational pool of the type where a housing of the skimmer is mounted outside the pool and has a port opening in sealed relation to a pool sidewall opening, is provided...
4832838 Method and apparatus for water calculation and filtration  
In a vessel such as a swimming pool, a turbine device is positioned on the bottom of the vessel to create an upward flow of water. The upward flow carries with it any larger debris, which are...
Matches 51 - 100 out of 205 < 1 2 3 4 5 >