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5300224 |
Fluid treatment device
The present invention provides a one piece or unitary filter assembly for attachment to a waterline to remove chlorine and other substances from water. This unitary assembly provides a rechargeable...
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5290457 |
Filter element with regenerable bulk material filling and method for making same
A regenerable deep bed filter element and method for making it, the element being provided as a closed system, in the case of which a deep bed filter (21), disposed inside at least one...
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5279748 |
Pool filter with electrolytic action
A filtering system with electrolytic action and method is disclosed which is adapted for filtering the water in swimming pools, spas, saunas, hot tubs, whirlpools and the like. The filtering system...
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5277805 |
Rechargeable water filter
A horizontal countertop water filter adapted to reside behind a sink faucet fixture. The water filter has a horizontal housing defining a fluid inlet chamber and fluid filtration chamber containing...
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5273650 |
Ceramic filter
A water filter cartridge for use in a water filtration system comprises a generally cylindrical ceramic pre-filter having a chamber containing a purification resin. An exit cap having a porous disc...
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5273649 |
Personal water purification systems
Low volume, personal water purification systems including cartridges containing multi-valent iodine resins, granulated active carbons, and porous separation and filtration means. In one assembly, a...
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5271837 |
Drinking water filtration system
The present invention discloses a filter system for the filtration of residential tap water for drinking. The device of the present invention removes impurities including organics, heavy metals,...
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5269921 |
Filter cartridge or filter module consisting of flexible deep filter material
A filter cartridge with a filter element inserted in a receiving space formed by a central cylindrical flow pipe 32 and a peripheral wall 34 is in terms of its possibilities of use and...
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5269922 |
Water filter
The present invention is related to a water filter and particularly to a water filter with a rotary filter tube, comprising a water filter cylinder and a plurality of filter leaf thimbles so that...
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5269919 |
Self-contained water treatment system
A water purifying system including two or more stages for removing organic and inorganic contaminants from source water. The system may be configured such that water is first passed through a...
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5268093 |
Portable water purification system
A manually operable water purification system which includes (i) a first container having an open end and an outlet orifice, (ii) a filter operably positioned within the first container for...
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5256287 |
Cartridge filter for faucet attachment
A faucet-attached filter apparatus for filtering drinking water includes a unitary filter cartridge subassembly which provides a housing for the filter media, inlet and outlet porous media...
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5254242 |
Filtration unit having means for preventing reuse of filter
A water cleaning device (1) is provided which has a housing (10) arranged to be supported by a surface, for example stood upon a work surface (50). The housing (10) defines a receptacle (2) for...
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5252206 |
Filtration cartridge
A filtration cartridge, adapted to be utilized within any industry standard housing, the cartridge including a generally cylindrical outer filter having an axial bore and a surrounding side wall...
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5252203 |
Device for removing water from fuel tanks
A device for removing water from an aqueous phase at the bottom of a hydrocarbon fuel tank has an elongated tubular frame with open areas defined by longitudinal members and circumferential ribs. A...
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5245842 |
Receiver dryer
A receiver dryer for an automobile air conditioning system embodies a cylindrical housing having a spin-closed top end; an inlet tube and an outlet tube inserted in holes drilled in the top end of...
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5246572 |
Removable demineralization cartridge
A cartridge (1) for mounting in a water circuit of an apparatus (3) comprises a chamber (6) having a first orifice (4) connected to a liquid reservoir, and a second orifice (5) through which the...
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5246589 |
Repaired filtration elements for polymer manufacture
A repair method for filter elements such as those used to filter polyester during the later stages of polyester manufacture in which the filter media is a particulate solid media arranged in a...
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5240620 |
Method and apparatus for filtering water
A tap water filter apparatus (30) and a method of use thereof are provided. The apparatus is placed between a beverage container (20) filled with tap water and an empty beverage container (40). The...
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5240483 |
Refrigerant filter-drier for use in a refrigerant recycling device
A light-weight, readily replaceable filter-drier for use in a refrigerant recycling device comprising a long, narrow body containing a closely packed desiccant material that substantially occupies...
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5238576 |
Ion exchange device for purifying water, process for manufacturing it and its use for removing nitrates and/or nitrates from water
The present invention relates to an ion exchange device for purifying water by reducing the nitrite and/or nitrate content, consisting of at least one container with a basic anion exchanger in...
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5236582 |
Filter device for an aquatic tank
A filter device for an aquatic tank includes a filter unit having a first casing. The first casing has a top open end, a bottom closed end formed with openings, a surrounding side wall...
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5232590 |
Water filtration apparatus
Water filtration apparatus with an internal by-pass for conducting water from a water source to a storage tank and from the storage tank through filter media to a tap. The apparatus includes a...
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5227053 |
Water purification system
A point of use water purification system including a housing supporting an untreated water container, a removable and disposable filter means and a treated water receiving container all of which...
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5225078 |
Pour-through pitcher filter
A pour-through pitcher filter assembly includes a compact filter element including a thin annular disk of molded activated carbon and a peripheral annular seal element. The seal element allows the...
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5223132 |
Water filtering apparatus
A water filtering apparatus includes a filter unit, a container and a support member. The filter unit includes three filters which perform different filtering functions. One of the filters, which...
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5221473 |
Filter cartridge assembly for a reverse osmosis purification system
A filter cartridge is provided for use in a reverse osmosis water purification system or the like. The filter cartridge includes a reverse osmosis membrane for converting a feed water inflow to a...
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5215659 |
Device for producing mineral-containing water for water storage vessel
A device for producing mineral-containing water comprises a case communicated with a water outlet of a water storage vessel with or without the use of a plug, the case being provided with a...
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5211851 |
Water conditioning apparatus and method for conditioning water
A water conditioning or purifying apparatus for preparing drinking water from tap water, incorporating a water inlet at the bottom area and a water outlet at the cover area. The water conditioning...
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5211973 |
Water treatment apparatus
A water treatment system and related components for reducing contaminants in normal drinking water are provided. An elongated tube has first and second ends and is connected with an interference...
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5201792 |
Accumulator for vehicle air conditioning system
An accumulator for use with a vehicle air conditioning system is provided. The accumulator comprises a housing having first and second sections, an outlet tube, and an outlet tube shield. Inlet and...
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5200070 |
Bottle water filter arrangement
A water cooler is arranged to receive a bottle member in an inverted orientation thereto, with the water cooler having a top well and an associated opening to receive the water bottle. The top wall...
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5192436 |
Tap water purifier to be directly coupled to faucet pipe
There is provided a tap water purifier to be directly coupled to a faucet pipe, which includes a water purifying barel filled with a filter medium and a cylindrical valve body integral with the...
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5190653 |
Coffee brewer filtration device
A reusable filtration element for a coffee brewer has a microscopic arrangement of holes which permit coffee beverage to pass through while turbidity and sediment causing solids are effectively...
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5190643 |
Water treatment device having means to count times used and limit useage
A lid assembly for a portable water treatment device of the type including a vessel with an opened upper end and a replaceable filter cartridge adapted to be contained therein. A lid assembly is...
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5188727 |
Water filter unit
An improved water filter unit including a casing having a removable snap-type cover with the casing mountable to a surface or free standing. The casing including a plurality of removable different...
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5186830 |
Water filtration apparatus
Abstract for filtering drinking water which includes a lower non-porous container to receive the filtrate. An upper filter vessel closed at its lower end by a high density ceramic filter is stacked...
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5184479 |
Accumulator for vehicle air conditioning system
An accumulator is provided for use with a vehicle air conditioning system. The accumulator comprises a housing, an inlet tube, an outlet tube, and an outlet tube shield. The housing includes first...
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5184480 |
Accumulator for vehicle air conditioning system
An accumulator is provided for use with a vehicle air conditioning system. The accumulator comprises a housing having first and second sections, an outlet tube integral with the second section, and...
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5182018 |
Protein absorbing aquarium filter element and method
A filter for absorbing proteins in an aqueous solution which is circulated and constrained to flow through the filter includes numerous absorbent units formed of a polymeric material for absorbing...
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5180491 |
Apparatus for removal of iron from drinking water
An iron removal system for a drinking water supply includes a synergistic combination of an oxidation/filtration unit and an activated carbon filter unit. The oxidation/filtration unit utilizes a...
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5177982 |
Accumulator desiccant bag retaining clip
There is a disclosed herein a retaining clip for a desiccant bag used in an accumulator of an air conditioning system for an automotive vehicle. The retaining clip is hinged at one end and...
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5169528 |
Filter element
A regenerable deep bed filter element provided as a closed system, in the case of which a deep bed filter (21), disposed inside at least one hollow-cylindrical chamber (17), if formed by a bulk...
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5160038 |
Water purifying apparatus
A water purifying cartridge including a double structure container having an outer container and an inner cylinder disposed within the outer container, an inlet port for flowing water into an...
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5156335 |
Filtered drinking straw
A filtered drinking straw for reducing the amount of impurities in an aqueous solution and method for using same. The straw comprises a tube having a passageway containing filtering medium and...
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5154823 |
Filter apparatus and distributor plate therefor
A filter apparatus and distributor plate therefor of the quick-change type which are easily fabricated from plastic material by injection molding are disclosed. The distributor plates which are...
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5151179 |
Faucet connected water filter
A faucet mounted water filtration unit having two tubular hollow legs depending from a base member with a coupler for attaching the unit to a faucet spout, with the spout straddled by the legs and...
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5149437 |
Water filter
An improved filter device is provided for removing contaminants from water comprising a filter housing having an inlet at one end for water to be purified and an oulet for purified water at an...
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RE34050 |
Filtering system
A filtering system for water treatment including a head member having fluid inlet and outlet ports, a bracket member adapted to be secured to stationary support means, the head member being secured...
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5138778 |
Steam iron having valved demineralizing cartridge and secondary demineralized reservoir
A non-scaling electric steam iron has a heating sole plate (1), a steam chamber (3), a water reservoir (5), a feed device (6) for supplying water to the steam chamber, and a demineralizing...
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