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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7357858 | Filter apparatus A filter apparatus is provided for the filtering of substances from a fluid having a filter housing (2) which bounds a filter space (6) and which has an inlet (3) and an outlet (4) for the fluid to be filtered and having a filter element ... | 04/15/2008 |
| 7357862 | Fluid conditioning system and method An exemplary method and system for reducing or eliminating the formation of solid precipitates/deposits of a flowing fluid, such as oil, or for reducing or eliminating existing solid precipitates/deposits contained in a flowing fluid, is provided. A fluid conditioni... | 04/15/2008 |
| 7311828 | Wall mount for water treatment system A wall mount for attaching water treatment system to a wall plate consists of a platform and a vertical portion. The water treatment system rests on the platform. The water treatment systems extend through the back of the wall mount and extend through passages in th... | 12/25/2007 |
| 7294258 | Device for chemically/physically treating drinking water The invention relates to a device for physically treating drinking water, in particular, for reducing the formation of limestone. The invention device comprises at least one water inlet (3b) and at least one water outlet (3c), whereby the... | 11/13/2007 |
| 7261815 | Water filter for refrigerator water dispenser A water dispenser in a refrigerator door can include a filter casing in the door opening into the bottom of the dispenser housing. The filter casing can include a top wall positioned in the bottom of the dispenser housing, a head assembly at the bottom of the filter... | 08/28/2007 |
| 7216395 | Mop and pad washing machine A washing apparatus for mop heads and washing pads which has the introduction of cleaning solution into a compartment for the mop as well as an overflow and drain function. The washer provides affordability, eliminates the need for electricity as a power source or l... | 05/15/2007 |
| 7175681 | Apparatus for removing fine particles in exhaust gas The present invention provides a fine particle removing apparatus which can efficiently burn collected fine particles in exhaust gas, has a simple configuration and can be readily controlled. In this fine particle removing apparatus, a filter unit which collects fin... | 02/13/2007 |
| 7172692 | Filtering device A multifunctional filtering device for an aquarium mainly includes a filter box for being suspended at an aquarium. The filter box includes a pump motor for producing mixture of water and air and a vortex flow generator disposed at the center of the inner side of th... | 02/06/2007 |
| 7147773 | Refrigerator with treated water A refrigerator with a water treatment system including a head connecting a water supply to a water-using accessory. An end piece is provided for connecting a treatment cartridge to the head. The end piece comprises an inlet fitting having a cam that contacts a follo... | 12/12/2006 |
| 7083735 | High debris content strainer A high debris content strainer that utilizes a cylindrically-shaped screen having four removal assemblies positioned evenly around the screen periphery. Each removal assembly includes a backwash spray bar on the downstream side of the screen and a scraper/brush and ... | 08/01/2006 |
| 7073668 | Magnetic separators A magnetic separator includes a chamber 11 having inlets and outlets 12, 13 which together define a flow path 14. Axially extending tubes 15 are disposed in an array around the cross-section of the chamber 11 and the perforated baf... | 07/11/2006 |
| 7055654 | Oil filter cooler An oil filter cooler that has an arrangement of circular fins that are permanently incorporated into the top of an oil filter. These fins allow for an increase of heat dissipation of motor oil as it flows through the oil filter thereby, reducing the temperature of t... | 06/06/2006 |
| 7048851 | Device for filtering diesel fuel that is intended to supply a diesel engine and a diesel fuel supply line comprising one such device A device for filtration of gas-oil intended to supply a diesel engine comprises an electric heating unit which includes a casing internally defining a chamber for heating the gas-oil to be filtered, a filtration unit which includes a casing internally defining a cha... | 05/23/2006 |
| 7020389 | Fuel heater with cam removal feature A fuel filter housing and fuel heater combination for a fuel-water separator includes, as part of the fuel filter housing, a heater-receiving bore and a protrusion adjacent the heater-receiving bore. The fuel heater is constructed and arranged for inserting into the... | 03/28/2006 |
| 6994784 | Liquid filter/heat exchanger unit A liquid filter/heat exchanger unit including a liquid filter and a heat exchanger, the liquid filter having a filter element in a filter housing. To bypass the heat exchanger, there is a bypass connecting the heat exchanger inlet directly to the unfiltered side of ... | 02/07/2006 |
| 6939464 | Fuel-water separator unit with parallel flow A filter assembly includes a housing and an inner post with a fluid inlet passage extending in the housing. An outer post surrounds the inner post to define a fluid outlet passage. A filter cartridge is received around the inner post and the outer post. The filter c... | 09/06/2005 |
| 6902666 | Aquarium filter A aquarium filter for filtering water being introduced into an aquarium. The aquarium filter includes a body member comprising a perimeter wall. The perimeter wall defines a bore extending through the body member. The body member is designed for being coupled to a h... | 06/07/2005 |
| 6855250 | Filter system employing microwave regeneration A filtration system (10) operable at elevated temperatures and regenerateable in situ employing microwave energy (99). In one embodiment, the system includes multiple channels (35) with means for selectively placing individual ones of the channe... | 02/15/2005 |
| 6811686 | Apparatus for filtering and cooling motorcycle engine oil Apparatus of unitary construction and including an oil filter support, an oil cooler and an oil filter is employed to filter and cool engine oil, the oil passing along a serpentine path in the oil cooler after being filtered and before being returned to the motorcyc... | 11/02/2004 |
| 6761820 | Paint-sludge filtration system featuring pool aeration using high-pressure discharge from filter vacuum producer A paint overspray particulate filtration system includes a collection tank, a floatation consolidation tank, and a vacuum filter assembly having a filter medium that traverses a pair of vacuum chambers. A positive displacement vacuum producer for the first vacuum ch... | 07/13/2004 |
| 6758969 | Magnetically enhanced oil filter apparatus Generally, a magnetically enhanced oil filter apparatus includes a cartridge housing which includes an oil input channel and an outlet channel. The cartridge housing defines a cartridge interior space. A magnet unit is affixed to an outside portion of the cartridge ... | 07/06/2004 |
| 6716343 | Point-of-use water treatment system The present invention relates to a point-of-use water treatment system unit. The unit includes a filter housing assembly having a filter tank assembly and a closure which utilizes a handle and cammed reciprocating lock blades to secure the closure to the filter tank... | 04/06/2004 |
| 6649049 | Magnetically enhanced oil filter apparatus A magnetically enhanced oil filter apparatus is provided for attachment to a cartridge mounting stem on an engine and includes a cartridge housing which includes an inside housing wall and an outside housing wall. A magnet unit is supported on a portion o... | 11/18/2003 |
| 6627072 | Filter system for a paraffin spa A paraffin filter system (10) includes an in-line low-profile particulate filter (20) connected to a suction tube (14) which is used as an inlet to the paraffin filter system (10). A paraffin pump (54) pumps the melted paraffin from a paraffin spa (12) th... | 09/30/2003 |
| 6623634 | Tissue float water bath liner and filter A liner and filter for filtering a heated tissue float water bath is described. In one embodiment, the liner and filter are a disposable one piece unit. In another embodiment, the liner and filter are two separate components and only the filter is disposa... | 09/23/2003 |
| 6537454 | Device for influencing the flow-through of plastic material which is heated such that it can flow through a housing A device for controlling the flow of plastics material, heated until flowable, through a housing, in particular a filtering device or a direction-control device for the plastics material, comprises a flow channel extending through the housing, and a plung... | 03/25/2003 |
| 6426000 | Filter cartridge magnetic attachment A filter cartridge magnetic attachment includes a heat sink carrier member which includes magnet-reception channels, and carrier-embedded magnets are received in the magnet-reception channels. A top modular magnet/shunt array is located on a top side of t... | 07/30/2002 |
| 6425999 | Warm/cold double-circulation water filter system and swimming pool arrangement A warm/cold double-circulation water filter system and swimming pool arrangement includes a swimming pool separated into two pools, each pool having a water outlet and a plurality of water inlets, a double-circulation water filter system adapted to treat ... | 07/30/2002 |
| 6406625 | Spring-biased filter assembly A spring-loaded filter assembly for a liquid dispenser is disclosed that permits ready removal of a filter element from a filter housing. The filter assembly includes the filter housing having a liquid inlet, a liquid outlet, and a liquid passageway betwe... | 06/18/2002 |
| 6402943 | Diesel filter system The present invention provides a diesel filter system and a fuel heating device comprising a PTC heating element and a rod-shaped heat conductor which is in thermal contact with PTC heating element. The rod-shaped heat conductor comprises at least two tub... | 06/11/2002 |
| 6365046 | Device for waste grease removal An automated system for removing waste grease is provided employing a pump, the pump being used to draw waste grease from a grill grease trap via an intake assembly and pump the waste grease through the system, the intake assembly comprising a wand, hose,... | 04/02/2002 |
| 6365041 | Filtration process utilizing heat exchanger apparatus A filtration system utilizes a heater 40 and a heat exchange subsystem for elevating the temperature of a feed stream to a membrane filtration unit 12. Upstream from the unit 12, a solids-liquid stream is divided into two streams 32, 33 that pass through ... | 04/02/2002 |
| 6261447 | Portable, automatic, steam pressurized water filtration system A water filtration system which utilizes steam pressure to provide energy for the pumping process, has a boiler (1) which shall be used to develop steam (19) and shall be heated by a stove (27). The steam produced shall flow through a steam tube (7) and i... | 07/17/2001 |
| 6251270 | Fuel circuit with protected main filter A main filter for an airplane fuel circuit or a fuel circuit for any type of mechanism, the filter having a first and second entry, which go directly into a chamber containing a filtering unit, the first entry receiving the fuel at a temperature essential... | 06/26/2001 |
| 6224758 | Filter assembly A filter assembly for a liquid to be filtered, especially for use in a conditioning unit for the lubricating oil of a motor vehicle, including a filter cartridge (8) concentrically arranged around a center tube (9) through which a liquid stream may flow. ... | 05/01/2001 |
| 6217758 | Oil sump arrangement with integral filter and heat exchanger In order to make more compact drive train and engine configurations, filter media and oil coolers are mounted within transmission oil pans and/or lubricating oil pans. Preferably, the heat exchanger is mounted on the upstream side of the filter media to c... | 04/17/2001 |
| 6196820 | Device for filtering plastics in injection molding machines A process and a corresponding device for filtering plastics in an injection molding machine having a plasticizing unit and a mold cavity. A slide having a receptacle for a filter element is arranged between the plasticizing unit and the mold cavity. A pis... | 03/06/2001 |
| 6155336 | Power steering reservoir and cooler A combined power steering hydraulic fluid reservoir and cooling unit (12, 112) includes a housing (14, 114) having a reservoir tank (16, 116) for receiving and collecting hydraulic fluid from a power steering gear (18) and holding the hydraulic fluid in r... | 12/05/2000 |
| 6086754 | Dispensing apparatus having an improved filter unit For processing raw water into drinking water, a dispensing apparatus is provided with a filter member disposed in a water tank through which the raw water is made to flow. The filter member captures microorganisms contained in the raw water. A heating arr... | 07/11/2000 |
| 6077425 | Method of separating a medium into a solids-containing component and a liquid component A medium is separated into a solids-containing component and a liquid component. The latter flows through a filter. Clogging of the filter is avoided in that the latter is moved relative to the medium perpendicularly to the flow direction of the liquid th... | 06/20/2000 |
