Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7354513 | Countertop water treatment unit An improved residential countertop water treatment unit for producing potable water suitable for human ingestion such as by drinking or cooking that comprises a vertical arrangement of a base, a cartridge, and a spigot at the top. The base includes an elongated thre... | 04/08/2008 |
| 7326334 | End-of-faucet filter Various embodiments of an end-of-faucet filter assembly connectable with a faucet on a standard sink and having a plurality of outlets corresponding with selectable modes of operation are disclosed herein. One mode of operation provides unfiltered, aerated water dis... | 02/05/2008 |
| 7309430 | Filtration system utilizing a single valve to direct fluid streams between filter assemblies and corresponding methods A filtration assembly for filtering polymer fluids at varying flow rates includes at least two filter housing assemblies releasably attached to a filter support or main block. Polymer fluid is delivered to the filter housing assemblies via an inlet passage in the ma... | 12/18/2007 |
| 7163625 | Filtration device The present invention provides a filtration device. The invention employs filter media wrapped into spirals about an apertured core. Fluid may flow radially inward or radially outward during filtration. Embodiments using multiple filter media and embodiments achievi... | 01/16/2007 |
| 6926821 | Water treatment device with volumetric and time monitoring features A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exposed to the... | 08/09/2005 |
| 6869527 | Filter facility having flow facilitating structure A filter facility includes a filter device received in a container and having a housing for receiving a number of filter particles. The housing includes a peripheral partition extended into the chamber from a bottom panel, and a plate disposed on top of the peripher... | 03/22/2005 |
| 6712961 | External tank filter, in particular for an aquarium A filter external to a tank including a vessel, a lid for closing the vessel, a removable connector including means of fixing the connector to the lid, a pipe for conveying water from the tank, a pipe for returning water to the tank, and couplings for connecting the... | 03/30/2004 |
| 6656350 | Water purifying cartridge for empty polyethylene terephthalate or pet bottle A water purifying cartridge, attached to an empty polyethylene terephthalate or PET bottle integrally formed with a seat member, including: a flange member having substantially the same diameter as an outer shape of a spout of the bottle and a thickness p... | 12/02/2003 |
| 6202541 | Apparatus for making purified water and related drinks An apparatus for making drinks such as filtered water, coffee, espresso or tea which comprise a cold water filter system for purifying water for either direct consumption or use in extracting flavor-containing materials like coffee and a hot water filter ... | 03/20/2001 |
| 6193884 | Dripless purification manifold and cartridge A cartridge based water purification and filtration system which permits cartridge changes without drainage at the input and output ports. Interlocking flanges at the manifold and cartridge lock the cartridge to the manifold and raised surfaces at the car... | 02/27/2001 |
| 6027644 | Dripless purification manifold and cartridge A cartridge based water purification and filtration system which permits cartridge changes without drainage at the input and output ports. Interlocking flanges at the manifold and cartridge lock the cartridge to the manifold and raised surfaces at the car... | 02/22/2000 |
| 6010626 | Compact portable hand-operated filter for purifying water The small filter comprises a housing (1) and a grip (2). A pump (6, 7, 8) can be operated with the grip. Disposed concentrically around the pump are an activated charcoal filter (3) and a ceramic filter (4). The grip is substantially beaker-shaped with co... | 01/04/2000 |
| 5937879 | Under counter dish washing machine An under counter dish washing machine has an upper spray assembly with a spray base recessed at the top of the wash compartment. An enclosed control housing is provided around the recess to house various controls in order to make use of what is otherwise ... | 08/17/1999 |
| 5919365 | Filter device for drinking container A drinking container includes a flexible, hollow body having a neck. There is closure member removably connected to the neck. There is a spout on the closure member. A filter device is operatively connected to the spout within the body. The filter device ... | 07/06/1999 |
| 5853581 | Drain bucket A colander like receptacle mounted over a portable liquid storage container. The container has a drain valve and may have casters to permit its rolling. Interlocking male fins in the receptacle engage slots in the container and are locked together by turn... | 12/29/1998 |
| 5813317 | Brewing pot A brewing pot for tea includes a container including an upper portion having a top rim defining at least one cavity, and a lower portion defining a chamber, and an abutting edge formed between the upper portion and the lower portion. A supporting base sup... | 09/29/1998 |
| 5725765 | Tea maker structure A tea maker structure is disclosed. It includes a percolator cup as an upper layer of the tea maker and a tea cup as a lower layer of the tea maker. A bottom of the percolator cup is formed with a water outlet communicating with the tea cup. A filter mesh... | 03/10/1998 |
| 5582719 | Filtration system A filtration system comprising a housing whose overall surface, excepting a bottom surface and an upper surface, is tightly closed, a filter medium disposed within the housing, an air jetting portion disposed within the housing at a higher location than t... | 12/10/1996 |
| 5487833 | Water filter with adjustable inlet hose assembly A water filter including an inlet assembly which comprises a prefiltering foam tip. The inlet hose includes an adjustable float and a weight on the end of the hose which allows a given length at the end of the inlet hose to extend below the surface of the... | 01/30/1996 |
| 5330640 | Portable water filter having an inlet conduit with a weight and float construction A water filter including an inlet assembly which comprises a prefiltering foam tip. The inlet hose includes an adjustable float and a weight on the end of the hose which allows a given length at the end of the inlet hose to extend below the surface of the... | 07/19/1994 |
| 5139654 | Liquid collector pressurizing and filtering means Apparatus for quickly taking and filtering liquid taken from a body of liquid comprises a bailer for taking and containing a sample of the liquid therein. The bailer has an upper end portion adapted for quickly disconnecting and connecting a liquid pressu... | 08/18/1992 |
| 5076942 | Filter The present invention relates to a method for filtering liquids. More particularly it is concerned with providing a clog-resistant filter of the kind in which a open end and with walls of metal, plastic or other suitable material bearing numerous perforat... | 12/31/1991 |
| 5066391 | Reusable liquid filter assembly A reusable liquid filter assembly having a housing having two internally threaded ends and two externally threaded removable end walls. Sealing O-rings are provided on the end walls to bear and seal against bevelled zones on the housing ends. A filter sub... | 11/19/1991 |
| 4983286 | Sterilizing water-purifying reagent for drink This invention provides a sterilizing water-purifying reagent for removing muddiness of water to be treated or sterilizing the water to be treated as drinking water in fields or under drinking water shortage environment, and the sterilizing water-purifyin... | 01/08/1991 |
| 4966701 | Filter The present invention relates to a filter for liquids. More particularly it is concerned with providing a clog-resistant filter of the kind in which a filter element (usually of hollow cylindrical shape), having at least one open end and with walls of met... | 10/30/1990 |
| 4944875 | Plural filter tube sequential distribution apparatus A device for the production of ultrapure water comprising tubes containing water treatment elements joined by two end plates. Grids are disposed between the tubes and the end plates to retain resin or carbon particles. Connector terminations provide a hyd... | 07/31/1990 |
| 4731183 | Filter with valve-in-head construction A valve-in-head filter includes an outer housing (2) adapted to receive a fluid filter cartridge (4) therein. A valve head (7) is provided which includes an annular stand pipe (22) for locating an end of the filter. The stand pipe is cut away (32) on its ... | 03/15/1988 |
| 4622136 | Reusable liquid filter assembly A reusable liquid filter assembly, such as an oil filter, is provided comprising a housing with inlet and outlet ports, filter means removably mounted inside the housing, means for holding the filter means inside the housing having tapered lengthwise slot... | 11/11/1986 |
| 4536290 | Water filtration device A water purification device has first and second like hollow elongated members adapted for detachable engagement with each other, and when engaged defining an elongated housing having a cylindrically shaped central section and opposite ends with small ope... | 08/20/1985 |
| 4379053 | Filter bypass valve assembly A filter assembly having bypass valves to allow continued liquid flow during the removal and reinsertion of a new filter. The assembly includes a cylindrical filter housing threadedly mounted to a valve housing with a cylindrical filter removably mounted ... | 04/05/1983 |
| 4145294 | Liquid phase separator with valved outlet means A separator for immiscible, emotionless-forming liquids having different specific gravities which comprises a container and a valve arrangement provided in the lower end of the vessel for movement between open and closed conditions whereby through disposi... | 03/20/1979 |
| 4042511 | Low profile static screen Apparatus for separating or classifying the contents of a flowing slurry comprising a descending flow surface having a low profile and associated therewith a relatively low head box, the latter of which is distinguished by a relatively restricted cross se... | 08/16/1977 |
