Water Filter Free Patent Search

  • Personal water filter bottle system

    Water Filter Abstract: A bottle mountable filtration system typically includes a plurality of different filter elements or filtering and treatment elements having a substantially common central axis that are mounted to extend into a bottle from a cap...

  • Self-cleaning water filter

    Water Filter Abstract: A self-cleaning water filter assembly including a body having inlet and outlet portions and a filter housing portion defining a cavity disposed therebetween so that water entering the inlet must flow through an inner surface to...

  • Laminated modular water filter

    Water Filter Abstract: A laminated modular water filter includes a top plate, a bottom plate and a plurality of superposed intermediate plates disposed between the top and bottom plates. Each adjacent pair of the top, intermediate and bottom plates a...

  • Water filter monitoring and indicating system

    Water Filter Abstract: A low cost method and apparatus for indicating when to replace a water filter in a water and ice delivery system for a refrigerator. The invention uses a low cost microprocessor and senses the operational condition of an ice ma...

  • Water filter and method

    Water Filter Abstract: A water filter for recreational vehicles (RV) is provided which includes a ceramic filter element having a radial flange attached thereto. The flange facilitates filter assembly and replacement of the filter element in the filt...

  • Integral water filter and tank

    Water Filter Abstract: A chilled water supply system for a refrigerator is provided. The system includes a water storage tank comprising an outlet leg, and a filter media disposed within said outlet leg. Water Filter Claims: What is claimed is: 1. A...

  • Apparatus for aeration in a water filter system

    Water Filter Abstract: The present invention provides an apparatus and method for aeration in a filter system. The present invention provides an air injection adaptor for coupling between a filter tank and a valve controller. The air injector adaptor...

  • Low spillage replaceable water filter assembly

    Water Filter Abstract: A filter assembly includes a water filter assembly having a filter element sealingly disposed in a cartridge, and having an inlet and an outlet, the water filter assembly being substantially dripless when charged with water and...

  • Warm/cold double-circulation water filter system and swimming pool arrangement

    Water Filter Abstract: A warm/cold double-circulation water filter system and swimming pool arrangement comprises, a swimming pool, a double-circulation water filter system, a water pipe system, a heater. The present invention concentrated the valves...

  • Externally mounted bilge water filter and methods therefor

    Water Filter Abstract: A bilge water filter for filtering bilge water discharged being drained from the bilge of a vessel includes a casing having first and second ends and at least one sidewall extending between the first and second ends, an inlet e...

  • Self cleaning water filter

    Water Filter Abstract: A self-cleaning water filter, coupled to a water flow having particulates therein, that includes a pair of canisters, each having a cylindrical wedge wire water filter screen. An elongated brush running the length of the screen...

  • Self-cleaning water filter

    Water Filter Abstract: A self-cleaning water filter, coupled to a water flow having particulates therein, that includes a pair of canisters, each having a cylindrical wedge wire water filter screen. An elongated brush running the length of the screen...

  • Waste water filter having multiple wall filter elements and outlet protection

    Water Filter Abstract: 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 ele...

  • Stationary bilge water filter apparatus

    Water Filter Abstract: A casing having an inlet which receives oil-based contaminated bilge water is mounted on a boat or ship in aligning a generally U-configured pipe vertically, in which first and second open ends of the pipe are overlaid with one...

  • Portable bilge water filter apparatus

    Water Filter Abstract: A casing having an inlet positioned below the bilge water discharge outlet of a boat or ship aligns a generally U-configured pipe vertically, in which first and second open ends of the pipe are overlaid with one of a gravel or...

  • Water filter bottle

    Water Filter Abstract: The present invention discloses a personal water purification system providing a watertight polymeric container 12 having a removable, threaded unfiltered water fill cap 18 that provides access through port 28 to an upper unfil...

  • Apparatus for supporting a water filter intake

    Water Filter Abstract: Apparatus for supporting a water filter inlet in a body of water at a level between the bottom and the surface thereof and in such position as to enable water to enter a conduit via the filter inlet and pass through a conduit t...