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5139666 |
Bottle and filter
A water dispenser supports a bottle having a filter neck accommodating a water filter and a fill neck closed with a cap equipped with a water refill counter. The cap can be removed from the fill...
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5130020 |
Portable water filter unit having storage space for flexible tubes
A tall open top plastic container has a closed bottom portion sealed to the lower end portion of a tubular water filter member having an upper end portion sealed to a removable plastic top wall...
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5130018 |
Desiccation system with coupled tether and protective cage
A tethered container of desiccant and a surrounding protective cage for entry into an enclosed space to extract moisture. The weight of the cage serves as ballast to settle the assembly to the...
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5128036 |
Water container assembly for use on a water stand
A water container assembly for drinking water includes a purifying unit located at the top of a container and mounted within the container. The purifying unit includes at least one filter having an...
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5128034 |
Pressure vessel for housing a water filter
A pressure vessel of the type used in domestic water purifying systems for the filtering of potable water, wherein an uncompromised, spherically ended cylindrical pressure vessel housing is...
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5126043 |
Radial and axial flow filter device
A filter device for use in a domestic or office water supply system is provided. The device includes a container having an enclosed cavity, and includes a filter unit disposed in the cavity. The...
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5126044 |
Iodine resin/carbon water purification system
Water treatment apparatus including an iodine resin purification bed suppported in a walled structure and mounted upstream of an active carbon filtration bed. In one disposable cartridge...
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5122272 |
Drinking water supply container having a removably mounted filter device
A container assembly for holding a supply of drinking liquid includes a watertight container. A removable filter device extends into the container through an opening at the top. The filter device...
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5120437 |
Portable water filtration apparatus
A portable water filtration apparatus for filtering and purifying water comprises a container for holding water, a pump block mounted inside the container, the pump block having a water inlet port,...
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5116502 |
Elongate housing with end cap members
A horizontal counter-top water filter adapted to reside behind a sink faucet fixture. The water filter has a horizontal housing defining a fluid inlet chamber and a fluid filtration chamber, an...
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5116500 |
Portable potable water purifier kit
A liquid filtration device having a collapsible funnel, a multi-turn spiral filter path, and a cup for storing the liquid and for storing the funnel and filter when not in use so that a compact...
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5114572 |
Filter assembly and cartridge therefor
An assembly is provided of a filter bowl (10), a cartridge (12) and a head (11) in which the filter bowl (10) can be removed after it has descended from the filter head (11) through a distance...
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5114570 |
Water filter cartridge
A water filter cartridge has a cylindrical shell. A conduit runs between closing end walls and is disposed within a filtration material. There are additional openings in the respective end walls...
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5110479 |
Water purification systems
Means are provided for use with water purification systems and for evalutating the quality of water, which impart a color to water passing through such means, said color being indicative of an...
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5108599 |
Low pressure liquid filter cartridge and method of making
A method for making a low pressure cartridge for liquid filtration, particularly of minerals from drinking water, comprises locating a pair of substantially identical end cap members telescopically...
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5108606 |
Water purification device
An in-line water purification system where all the water from a supply to a faucet opening enters a filter cartridge further includes a flow restrictor placed at the end of a faucet and which can...
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5106500 |
Portable water purification system including a filter cleaning mechanism
A water purification system including both a filter and a body of biocidally active material for microbiologically purifying biologically contaminated water. The system provides for the production...
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5106501 |
Multi-function filter cartridge with flow distribution control
A composite cartridge type filter of the kind utilizing a hollow cylindrical body of bonded activated carbon and an interior filled with a particulate filter media bed is disposed within a housing...
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5102543 |
Improved rotatable spool valve for use with filter cartridges
The improved valve apparatus is particularly useful in connection with fluid filtering using a cartridge. The apparatus includes a valve body with inlet and outlet ports and a rotatable spool...
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5094747 |
Removal of polynuclear aromatic compounds from motor vehicle fuel
Polynuclear aromatic hydrocarbon compounds (PNAs) are removed from motor vehicle fuel by passing the fuel through a sorbent which is placed either in the fuel line between the fuel tank and the...
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5094745 |
Coolant filter with inhibitor pack
A filter/conditioner for filtering and dispensing conditioners and inhibitors to the engine coolant of an internal combustion engine includes a circumferentially extending array of filtering media...
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5087357 |
Aquarium filter apparatus
An apparatus is set forth permitting unitary replacement of the filtration components contained therewithin, wherein an elongate cylindrical housing includes a lowermost filtration polymeric...
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5076922 |
Water-filtration apparatus
A filtration apparatus for reducing contaminants in water used for household purposes and the like. The apparatus includes a water container with a receiving reservoir mounted in the container. The...
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5076912 |
Ion exchange device with chamber having indicator means
In an apparatus for water treatment and comprising a pod containing a weakly acid or weakly basic ion exchanger and of which the inlet aperture is formed in the region of one end while the outlet...
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5069782 |
Fluid purification systems
A water purification system has a longitudinal ultraviolet tube, an arrangement of helically-wound coils surrounding the tube and a filter. Water is exposed to ultraviolet energy before and after...
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5068030 |
Water filtering sterilizing and heating apparatus
A water filtering, sterilizing and heating apparatus is provided. The apparatus includes filter tank provided with activated carbon therein, to filter bacteria, miscellaneous impurities and odor in...
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5063697 |
Smoothing iron with a demineralizing cartridge
A steam smoothing iron having a removable cartridge (1) which contains a product for demineralizing the water intended to be introduced into the vaporization chamber (2) of the iron. The cartridge...
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5064540 |
Method for using water-treating sponges
A water treatment method is provided which employs a bed of small-sized pieces of sponge to absorb dissolved ions from water passed through the bed. The method involves compacting the bed so that...
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5061367 |
Water purifying filter device
A filter cartridge for treating drinking water to remove a broad range of microorganisms includes a microbiocidal resin layer, a porous activated carbon filter element and a flow controller to...
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5059315 |
Aquarium water aeration and filtering system
A compact device for filtering and aerating aquarium water to sustain diverse aquatic species which comprises a suction pump and a non-submerged column of different filtering layers and in which...
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5049272 |
Filter cartridge with vented cap
A filter cartridge (1) for use in a device for filtering liquids, in particular drinking water, comprises a beakerlike container (2) with a removable cap (3) and flow openings (4) and flow openings...
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5049270 |
Filter apparatus having liquid control mechanism
A filter apparatus is used to filter tap water and to automatically fill two containers. This apparatus includes a filter subassembly, a housing subassembly, a water control subassembly, and first...
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5045195 |
Personal drinking water purification tube
A portable personal water filtration and purification device which includes an elongate tubular filter housing with layers of mechanical filtration and contains a layer of granular activated...
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5041218 |
Water purification set and chemicals unit therefor
The invention relates to a water purification set comprising a container holding a filtering unit and a chemicals unit, said container comprising two compartments having such dimensions that the...
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5036972 |
Adsorbent packet with integral heat shield and method of fabrication thereof
An adsorbent packet including a casing of permeable material, adsorbent in the casing, and a sleeve of metal foil fused to a central portion of the casing by ultrasonic welding and having a layer...
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5037547 |
Dual stage filter cartridge for a reverse osmosis purification system
A dual stage filter cartridge is provided for use in a reverse osmosis water purification system or the like. The filter cartridge includes a first stage having a filter medium for removing...
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5035798 |
Filtration vessel and end cap lock by a flexible rod
A water filtration device is provided with a vessel body having an open interior for containing activated carbon used to filter water flowing through the open interior of the vessel body. The...
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5035805 |
Water detection and removal for instruments
A bonded woven fabric compartment containing a super absorbent polymer which absorbs atmospheric water, condensate and water in oil for use in enclosures containing instrumentation and electronic...
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5032268 |
Self-contained canister unit for filtering tap water
A water filtering canister unit having self-contained reverse osmosis and activated carbon filtering systems which are adapted for connection onto the water tap in a home, apartment or office. The...
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5022902 |
Adsorbent package that is resistant to high temperature
An adsorbent package that is resistant to high temperature. The package comprises a bag that contains adsorbent, and a foil wrapping that is disposed about a portion of the bag, with the foil...
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5019252 |
Portable water purifier
A portable water-purifying means comprising an oblong pump room containing a hand pump therein and an oblong water-purifying room containing a water-purifying means therein and being equipped on...
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5019254 |
Filter pad with pocket and method of using the same
Filter pads useful for filtering and removing contaminants from fluids comprise at least two pad layers of a permeable, nonwoven polymer material, where one pad layer is connected to another pad...
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5013459 |
Opthalmic fluid dispensing method
A method and device for dispensing an aqueous fluid which is desired to be maintained in a sterile condition. The method includes storing a quantity of aqueous fluid such as ophthalmic saline...
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5008011 |
Shower dechlorinator using granulated copper alloy filter material
A shower dechlorinator is fabricated in the form of a short cylindrical filter housing. A first end cap is provided on one end of the housing, and this end cap is threaded onto the outlet pipe for...
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5006246 |
Baffled particulate material housing
A fluid treatment device is described which includes a cylindrical housing with fluid inlet and outlet means at or adjacent opposite ends. Particulate material for treating fluid flowed through the...
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5002665 |
Device for filtering water with filter insert
A device for filtering water with a filter insert (1) which has a groove (7) in its periphery parallel to the axis of the cylinder which forms the insert. The groove (7) cooperates with a wall...
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4999109 |
Filtering lid with separate inlet and outlet compartments
A portable water filtering apparatus having a lid secureable to conventional plastic drinking cups, with a filtering element disposed with the lid. The apparatus includes inlet and outlet spouts,...
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4997563 |
Water treatment cartridge with foam and granular material
A water treatment device is described which incorporates an easily changed cartridge containing an open-cell foam having a water treatment material contained therein, such as granules of a halogen...
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4995310 |
Disposable filter cartridge, whether or not combined with a water reservoir
A disposable filter cartridge comprising a housing substantially including bottom and an upright side wall, the underside or bottom having one or more holes, said filter cartridges being provided...
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4995975 |
Unitary water cooler filter
A device for filtering and purifying tap water in combination with a conventional water cooler and bottle includes a generally circular annular flange having an outer diameter sufficient to prevent...
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