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| Number | Title | Issue Date |
| 7306723 | Method and apparatus for water purification The present disclosure relates to a water purification system for use in a water dispensing apparatus. The water purification system comprises an adapter adapted to mount to a top opening of the dispensing unit of the water dispensing apparatus, the adapter includin... | 12/11/2007 |
| 7014759 | Method and apparatus for water purification The present disclosure relates to a water purification system for use in a water dispensing apparatus. The water purification system comprises an adapter adapted to mount to a top opening of the dispensing unit of the water dispensing apparatus, the adapter includin... | 03/21/2006 |
| 6629612 | Biological filtration station A filtration station for capturing small to medium sized tissue fragments in fluid for histological processing. The filtration station allows tissue to be filtered onto foam in a cassette or into a biopsy bag with speed, excellent tissue recovery and conv... | 10/07/2003 |
| 6224751 | Water purifying device with means for indicating exhaustion of the purifying medium A water purifying device that has a collecting jug for purified water, in which a funnel with a filter cartridge filled with purifying medium is fitted in a removable manner, the jug can be closed at the top with a lid. Grips for removing the lid are arra... | 05/01/2001 |
| 6092670 | Steam pan manipulation device A steam pan manipulation device (16) is provided for handling stainless steel pans (10), commonly known as steam pans or hotel pans, of varying sizes as found in commercial restaurant, catering, and hotel applications for use in steam tables. Use of the d... | 07/25/2000 |
| 6013180 | Mineral filtering apparatus The present invention relates to a mineral filtering apparatus in which the raw water is passed through a plurality of filtering processes, such as automatically filtrating without pressure, multiply filtering, ions exchange, sterilization, deodorizing, a... | 01/11/2000 |
| 5873995 | End-of-life indicator for water treatment device An end-of-life indicator comprising a housing having a chamber therein and attachable to the water treatment device, a diaphragm disposed within the chamber, a rotatable cap having indicia disposed thereon adapted to cooperate with the housing, a spring d... | 02/23/1999 |
| 5846418 | Point-of-use water treatment system The point-of-use water treatment system for treating water to be dispensed from a container includes a filter media positioned adjacent a water input opening of the container, through which water is filtered into the container. The filter media includes a... | 12/08/1998 |
| 5785844 | End of life mechanism for water treatment cartridge An apparatus for use with a water treatment unit that indicates the end of life of the unit. The apparatus comprises a housing with at least one opening for the passage of liquid to a chamber, formed by the interior of the housing and the water treatment ... | 07/28/1998 |
| 5695651 | Inlet screen The invention relates to the treatment of liquid waste such as sewage. The invention provides a method of screening of liquid waste to remove solid material therefrom, comprising passing the liquid waste in a downward stream through a suspended sack filte... | 12/09/1997 |
| 5536394 | End of life mechanism for water treatment cartridge An apparatus for use with a water treatment unit and in particular, those having a treatment cartridge, that indicates the end of life of the unit. The apparatus comprises a housing with at least one opening for the passage of liquid to a chamber, formed ... | 07/16/1996 |
| 5405526 | Bottle water disinfectant system A bottle water disinfectant, storage, and dispensing system for purifying drinking water or the like. The preferred embodiment of the present invention contemplates a bottle water dispensing system having an inlet line, a storage tank, a filter area, and ... | 04/11/1995 |
| 5326473 | Device for extemporaneous and continous preparation of dialysate A container for quick connection and disconnection to a dialysis generator, the container having a substantial amount of solid compound for extemporaneous and continuous preparation of dialysate obtained from dissolution of a concentrate and/or from the s... | 07/05/1994 |
| 5269912 | Precious metal recovery system A recovery system for precious metal particles in wash solutions includes a pair of filter elements and a pump mounted within a closed tank. The first filter is of relatively large pore size, and traps layer particles. The prefiltered liquid is collected ... | 12/14/1993 |
| 5249712 | Packaging for altering the composition of a liquid A package for a liquid which is purified includes a neck with a lock-chamber slidable therein. The lock-chamber includes a purifying substance through which the liquid passes when dispensed. At one end of the lock chamber, a plug is positioned to block pa... | 10/05/1993 |
| 5167819 | Canteen having a removably mounted filter device A canteen especially useful in contaminated environments includes a hollow watertight container adapted to hold a quantity of a drinking fluid and a filter device extending into the container through an opening at the top. The filter device comprises an e... | 12/01/1992 |
| 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 neck to allow the bottle to be filled with water without rem... | 08/18/1992 |
| 5139658 | Filter canister mounting A fluid filter mount is affixed to the top closure wall of a fluid reservoir, such as for a hydraulic power unit, wherein the housing for the filter mounting is positioned below the top closure of the reservoir with the fluid inlet and fluid outlets also ... | 08/18/1992 |
| 5110469 | Coffee grounds disposal unit A coffee grounds disposal and strainer arrangement adapted to be utilized in conjunction with the operation of an automatic coffee brewer. A lid member covering the receptacle receiving the hot liquid or water and entrained spent coffee grounds from the c... | 05/05/1992 |
| 5010696 | Roof gutter attachment A roof gutter attachment which overlies a roof gutter to prevent gutter and/or downspout clogging due to the undue or unwanted accumulation of debris. The arrangement presents a pattern of downwardly inclined parallel steps presenting grooves oriented in ... | 04/30/1991 |
| 4998228 | Drinking water filter A water filtration system, and a filter and timer therefor. The system includes a primary container defining a holding chamber and a secondary chamber defining a filtering chamber at least partially within the holding chamber but spaced above the bottom w... | 03/05/1991 |
| 4908130 | Automobile gasoline impurities removal apparatus A gasoline filter for the entranceway to a gas tank filler tube has three preferred embodiments. The first includes a semipermanently mounted cap having a bore in which there is disposed a removable cylindrical filter element. The element is seated on a r... | 03/13/1990 |
| 4846970 | Cross-flow filtration membrane test unit A cross-flow filtration membrane test unit having a bottom cell body, a top cell body and a pair of laterally spaced O-rings forming a seal therebetween. The bottom cell body is provided with a feed spacer cavity and the top cell body is provided with a p... | 07/11/1989 |
| 4832842 | Filter chest for use with multiple filter units, for laboratories, and with the filter units A chest in which a vacuum is formed. A removable tray in the form of a flat thin panel rests in the chest adjacent the top, and is provided with a pattern of holes in which test tubes are placed and supported. A cover has a similar pattern of holes in whi... | 05/23/1989 |
| 4816148 | Multi-stage straining apparatus An apparatus for removing foreign matter from a solution of paint or the like. The apparatus includes a vacuous vessel for receiving the paint solution which has been strained; a straining assembly which has a main body mounted in fluid communication with... | 03/28/1989 |
| 4792398 | Manual vacuum filtration device A manual liquid filtration device includes a housing having an open lower end providing access to an internal vacuum chamber, and defining a liquid specimen receiving chamber at its upper end adapted for flow communication with the vacuum chamber. An elas... | 12/20/1988 |
| 4761234 | Interfacially synthesized reverse osmosis membrane A semipermeable composite membrane comprising a microporous substrate and an ultra-thin membrane with which the substrate is coated, characterized in that the ultra-thin membrane is composed of a cross-linked aromatic polyamide and the cross-linked aromat... | 08/02/1988 |
| 4721624 | Process for removing harmful residues from food during cooking The invention relates to a cooking utensil, for example a cooking pot, wherein the latter has an ion exchanger and/or absorber and/or adsorber and/or filter and/or other device for the extraction of residues of pesticides, herbicides, synthetic fertilizer... | 01/26/1988 |
| 4626352 | Vessel strainer A vessel has a side wall, a rim extending about the side wall defining a top opening of the vessel, and an abutment shoulder is provided adjacent the rim. A lid is provided covering the top opening to close the vessel. A straining skirt extends about and ... | 12/02/1986 |
| 4623457 | Water purifier Described is a water purifier comprising a collecting container (1) with pouring spout (2) and handle (3), a funnel and a cover (5) which can close the funnel, wherein provided at the bottom of the funnel is an opening for receiving a filter cartridge con... | 11/18/1986 |
| 4220534 | Food straining A detachably secured food straining screen is formed with lower and upper peripheral grooves for pressure fitting engagement with the top of a cooking pot and the bottom of a cover for that pot, respectively.... | 09/02/1980 |
| 4066551 | Portable water filtration device The portable water filtration device may be made in various ways. In some embodiments, the reservoir is formed in a seal-tight housing and the water is pumped by means of an air pump through a filter located within the reservoir and thereafter passed thro... | 01/03/1978 |
