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 |
| 7269969 | Double cooler “The cooler cooler” ice and beverage combination A double cooler device consistent with certain embodiments has an outer housing shell and an inner housing shell disposed within the outer housing shell and coupled thereto to form an outer reservoir to make up the housing. An inner core resides within the inner she... | 09/18/2007 |
| 7182856 | Stormwater treatment train A system is provided for treating runoff water in which there is a separator and a filter for cleaning the water. A reservoir is provided to hold large quantities of water during prolonged rainstorms. The output of the reservoir is fed to the filter. The rate of flo... | 02/27/2007 |
| 7077968 | Method for continuously filtering raw brine for use in chlor-alkali electrolysis The method of continuously processing raw brine with a solids content to obtain substantially solids-free pure brine (E) for use in chlor-alkali electrolysis. In this method the raw brine (A) is separated, by means of a decanter (1), into a clear brine (B) wi... | 07/18/2006 |
| 7001507 | Retention and removal of debris and pollutants from surface water runoff A system to restrict and remove debris and pollutants from runoff water received from surrounding areas. A receptacle receives the runoff water, and a grate detains the heavier part of its solids burden. A first screen within the receptacle detains solids of lesser ... | 02/21/2006 |
| 6964223 | Plunger for brewing a drink Plunger (10) for brewing a drink in a cup (12) includes two main components, a filter disc (20) and a frame (22). The filter disc (20) is shaped to extend across and abut an inside surface (24) of the cup (12). The fr... | 11/15/2005 |
| 6948420 | Coffee and tea pod A container for holding ground coffee or tealeaves. The container may include a body and a lip extending from the body. The lip may include a top substantially flat surface and a width of no more than about 2.6 millimeters (about 0.1 inch). ... | 09/27/2005 |
| 6881330 | Multi-stage EDM filter A two-stage, retrofit filter is adapted for use with an electrical discharge machine (EDM) includes nested inner and outer filtering elements that may be placed as a unit in the same tank and over the apertured standpipe used for a one-stage filter, such that the fl... | 04/19/2005 |
| 6702941 | Fluid treatment elements adapted for cross flow treatment A fluid treatment element is adapted for cross flow filtration which includes a fluid treatment pack having first and second lengthwise ends, a fluid treatment layer that may be pleated, a first mesh layer disposed on a first side of the fluid treatment l... | 03/09/2004 |
| 6585892 | Concentrically-arranged flexible media and support basket with second stage cartridge filter A concentric arrangement of bag-type filter sleeves 11, 12 of a filter insert are removably supported within a concentric arrangement of screens 60, 61 of an annularly-shaped basket 10a. The screens respectively support the filter sleeves against radial f... | 07/01/2003 |
| 6572765 | Filtering system for swimming pool A filtering system for swimming pools includes a cylindrical filter housing in which a filter bag is supported in a perforated liner. A skimmer housing is mounted on the cylindrical housing and skims water off of the surface of the pool, which communicate... | 06/03/2003 |
| 6569330 | Filter coalescer cartridge A filter coalescer cartridge for treating jet fuels comprising spaced apart filter/coalescer layers to effectively remove particulate contaminants and water from the transient fuel being treated.... | 05/27/2003 |
| 6495040 | Septic tank filtering system A filtering system for filtering effluent in a septic tank including an outer secondary filter secured within a pipe fitting, wherein the outer secondary filter includes a central opening passing therethrough; an inner primary filter, wherein the inner pr... | 12/17/2002 |
| 6491818 | Suction strainer with an internal core tube A suction strainer includes a hollow internal core tube and an external filtering surface built around the internal core tube. A plurality of openings are defined through the side wall of the internal core tube core. In some cases the openings through the... | 12/10/2002 |
| 6478957 | Filtering apparatus for a wastewater treatment tank A filtering apparatus of T-shaped configuration includes a vertically extending filter element receiving tube and a horizontally extending outlet conduit portion. A removable tubular filtering element having a flexible seal surrounding the outer surface o... | 11/12/2002 |
| 6416664 | Waste water filter having multiple wall filter elements and outlet protection A waste water filter comprises a shield comprising a vertical peripheral wall defining a shield interior. The shield further includes an inlet for the entry of unfiltered wastewater into the shield interior. A shield filter element is disposed within the ... | 07/09/2002 |
| 6387261 | Serviceable filter with bypass A filter for removing solids from a liquid comprising a filter housing with an inlet and an outlet, a first filtration element nested within the filter housing and having a first plurality of openings, a second filtration element nested within the first f... | 05/14/2002 |
| 6364120 | Filter tub assembly for deep fryer A fryer system has a tub and a filter screen assembly located in the tub to filter cooking fluid. A filter pan or crumb catcher having a perforated surface is positioned above the tub to receive cooking fluid from a cooking vat of the fryer system. A pan ... | 04/02/2002 |
| 6331247 | Septic tank filtering system A filtering system for filtering effluent in a septic tank including an outer secondary filter secured within a pipe fitting, wherein the outer secondary filter includes a central opening passing therethrough; an inner primary filter, wherein the inner pr... | 12/18/2001 |
| 6241945 | Modular combined pump, filtration, oxygenation and/or debubbler apparatus A customized pump, filtration, oxygenation and/or debubbler apparatus includes a first pump module, a filtration module, an oxygenation module, a debubbler module and/or a second pump module. Each module is formed of stackable support members with filtrat... | 06/05/2001 |
| 6231758 | Curb-inlet storm drain systems for filtering trash and hydrocarbons A modular insert for curb-inlet storm drains creates a composite collection system for trash and for oil or other hydrocarbons and related chemicals. A hopper contains a multitude of irregular, macroscopic fragments of a hydrophobic, compliant, oil-absorb... | 05/15/2001 |
| 6136190 | Septic tank filtering system A filtering system for filtering effluent in a septic tank including an outer secondary filter secured within a pipe fitting, wherein the outer secondary filter includes a central opening passing therethrough; an inner primary filter, wherein the inner pr... | 10/24/2000 |
| 6106707 | Curb-inlet storm drain systems for filtering trash and hydrocarbons A modular insert for curb-inlet storm drains creates a composite collection system for trash and for oil or other hydrocarbons and related chemicals. A hopper contains a multitude of irregular, macroscopic fragments of a hydrophobic, compliant, oil-absorb... | 08/22/2000 |
| 6103115 | Wastewater skimmings dewatering unit A wastewater skimmings dewatering unit that includes a drip bucket having a bucket compartment having an open top defined by a threaded lip and a bottom through which a number of drain opening are provided; a locking ring with the center opening and an in... | 08/15/2000 |
| 5993372 | Method and apparatus for collecting and containing hydrocarbon spills and leaks A method and apparatus for collection and containment of hydrocarbons that may be spilled or leaked by equipment utilizing an internal combustion engine, transmission or fuel tank prevents pollution of the environment. Hydrocarbons accumulated in a spill ... | 11/30/1999 |
| 5958226 | Storm drain filter with removable debris tray A storm drain filter is sized to cover the opening of a storm drain. It includes a top debris tray removably positioned within a bottom media tray. Each tray includes a peripheral trough surrounding a central overflow opening. The top tray is shorter in h... | 09/28/1999 |
| 5954952 | Stormwater catch basin filter assembly A novel filter assembly for a drainage system stormwater curb and gutter-type catch basin is provided with spaced-apart frame elements that are joined to and carry a singular mesh fabric filter element, the mesh fabric filter element advantageously additi... | 09/21/1999 |
| 5932098 | Filtration apparatus for brewing and drinking coffee and like beverages and concurrently enabling a user to drink directly from the apparatus A filtration apparatus for brewing coffee, tea or the like therein and allowing a user to directly drink the brewed liquid from the same filtration apparatus. The apparatus comprises a vessel, such as a container or cup, and a double filter assembly insta... | 08/03/1999 |
| 5928506 | Water purifier for drinking water A water purifier using common advantages of natural and forced types operated without an external electric power source, resulting in high efficiency of water purification. The apparatus for purifying water includes a first water-supply pipe for transport... | 07/27/1999 |
| 5908558 | Method and apparatus for removing contaminants from fluid columns A method and apparatus for removal of contaminants from fluid columns utilizes a solidifying polymer-based filtration media to extract pollutants, such as organic compounds and metals. Dissolved, emulsified or suspended contaminants are absorbed and solid... | 06/01/1999 |
| 5824218 | Permanent espresso filter insert The present invention relates to a permanent espresso filter insert for insertion into an espresso machine, the insert comprising a substantially flat filter disc which is penetrated by a plurality of filter openings substantially in the flow direction of... | 10/20/1998 |
| 5720878 | Panel filter system A panel filter for filtering waste media comprises at least two stacked filtering medium sheets. Each sheet is shaped to have two substantially identically-shaped portions integrally interconnected along an intermediate portion thereof. The stack of filte... | 02/24/1998 |
| 5593597 | Filtration system comprising sieving trough, helix and additional sieving apparatus The invention relates to an apparatus for removing solid components from a fluid in a trough (1) having a transport device (3) in the form of a transport trough (4) and a rotationally driven transport helix (6), the transport device (3) having at one end ... | 01/14/1997 |
| 5039430 | Method and apparatus for combining cardiotomy and venous blood A combined cardiotomy and venous return reservoir which combines defoamed and filtered cardiotomy blood with venous blood in a common chamber and then passes the combined blood fractions through a second defoaming element to achieve positive mixing of the... | 08/13/1991 |
| 5034127 | Filter assembly for purifying brine The brine purifying system employs a multistage filtering apparatus comprising a plurality of the same filter units piled up one over another to form a plurality of cascaded filtering stages. When the filter layers of the filter units are clogged with uns... | 07/23/1991 |
| 4842744 | Method for continuous filteration of fluids By this method, the fluid to be filtered is led through a filter bed formed of particulate filter particles, such as sand, which filter bed is retained in an upstanding annular space. The fluid is introduced to the interior part 15 of the annular space an... | 06/27/1989 |
| 4138339 | Filter-purifier cartridge having separable elements A filter-purifier cartridge arranged so that a self contained tubular purifying element is inserted within the hollow core of a tubular filter; the inlet and outlet passages of the purifying element arranged to permit axial flow through the hollow core co... | 02/06/1979 |
| 4107047 | Filter-purifier cartridge A filter-purifier cartridge arranged so that a self contained tubular purifying element is inserted within the hollow core of a tubular filter; the inlet and outlet passages of the purifying element arranged to permit axial flow through the hollow core co... | 08/15/1978 |
| 4052318 | Mesh coffee filter A filter assembly is disclosed for use in coffee makers in which a pair of filters are supported on carrier means with the filters held firmly in place by securing means. The filters may be reused and reassembled on the carrier means with handle means ass... | 10/04/1977 |
| 3969241 | Method of and apparatus for separating chemical solutions in membrane processes Method of carrying out filtration using semi-permeable membranes in apparatus of the type having a plurality of frustoconical sections defining an annular type space between the various sections, each section having a membrane thereon, the steps comprisin... | 07/13/1976 |
