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Class 210/429 - Filter coaxial with valve seat or valve stem


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus in which the seat or the stem of the flow controller
No. of patents: 93
Last issue date: 10/14/2008


1      
NumberTitleIssue Date
7434567Internal filter for a fuel injector
A fuel injector including a filter 30 provided within the tip portion 12 of the injector body 10, down stream of the fuel inlet port 14 and upstream of the spray aperture 14. The filter 30 is in the form of a hollow truncate...
10/14/2008
7419591Filter cartridge with check valve protection
A filter assembly is provided that includes a hood, a drain manifold, a filter disposed between the hood and the drain manifold, a drainage space that is disposed between and in fluid communication with both the filter medium and the drain manifold, a check valve th...
09/02/2008
7419060Integrated fuel container and impurity removal cartridge
A fuel supply for a fuel cell including a fuel container and an impurity removal cartridge connected to the fuel container, where both the fuel container and the impurity removal cartridge are integrated into a single unit. ...
09/02/2008
7354513Countertop 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
7293660Filter assembly having a five-way valve
A filter device includes four couplers attached to four sides, and a casing attached to bottom. A filtering material receptacle may be attached to the casing for filtering the water. A valve member is rotatably received in the housing, and includes six openings and ...
11/13/2007
7232107Control valve having a filter screen mounted flush with a valve closure member surface
A diaphragm operated valve having the diaphragm attached at its lower end to a valve closure plug, and movable therewith, and attached at its upper end to a portion of valve body that forms the pressure cavity. The diaphragm has a stepped portion between its upper a...
06/19/2007
7232106Tilted and stepped diaphragm for control valves
A diaphragm operated valve having the diaphragm attached at its lower end to a valve closure plug, and movable therewith, and attached at its upper end to a portion of valve body that forms the pressure cavity. The diaphragm has a stepped portion between its upper a...
06/19/2007
7214311Filter cartridge with check valve protection
A filter assembly is provided that includes a hood, a drain manifold, a filter disposed between the hood and the drain manifold, a drainage space that is disposed between and in fluid communication with both the filter medium and the drain manifold, a check valve th...
05/08/2007
7182857Pressure limiting and/or flow regulating valve for use with POU/POE filter system
An apparatus comprising a pressure limiting valve for preventing transmission of elevated pressure to components downstream of the apparatus. Preferably, the pressure limiting valve is used in combination with a flow regulating device that maintains a substantially ...
02/27/2007
7122117Self-cleaning composite deck drain
A self-cleaning composite deck drain apparatus which includes a removable top part having a top grating surface for receiving waste liquid and a trap for catching particulate matter from the liquid at a lower end. The drain apparatus further includes a bottom part h...
10/17/2006
7000782Backwash flushing filter
An inline backwash, flushing filter assembly comprising a header assembly, a rotatable valve assembly, and a filter element assembly disposed within a filter housing assembly. In operation, the controller moves the turn knob of the rotatable valve assembly a one-qua...
02/21/2006
6974538Fuel filter for an internal combustion engine
The invention relates to a fuel filter for an internal combustion engine, comprising a filter housing consisting especially of metal, and a filter element and a pressure-regulating valve located in said filter housing. The aim of the invention is to ensure that no n...
12/13/2005
6966981Replaceable filter cartridge with support element and liquid filter with such a filter cartridge
A replaceable filter cartridge assembly for a liquid filter and a liquid filter in which such a filter cartridge is installed. The filter cartridge 10 is provided with a support element 15, and a seat 20 for a sealing membrane 19 is provi...
11/22/2005
6910501In-line screens for thermostatic valves
A thermostatic valve for mixing hot water and cold water includes a valve body defining a first inlet, a second inlet, a mixing chamber, a first passageway between the first inlet and the mixing chamber, and a second passageway between the second inlet and the mixin...
06/28/2005
6875343Dual direction bypass valve
A dual direction bypass valve allows a transmission filter to function whether or not it is placed in the vehicle transmission correctly. The filter includes a front and rear valve bodies separated by an end cap, and each having a spring and disk. When the filter me...
04/05/2005
6858134Fluid filtration system including replaceable filter module
A fluid filtration system includes a filter receiver located in a fluid reservoir housing and a replaceable filter module adapted to mount in the filter receiver. Fluid to be filtered is exposed to a filter media included in the filter module and mounted in a filter...
02/22/2005
6846408Filter assembly for a control valve in a vehicular brake system
A filter assembly for a control valve for controlling fluid flow in a hydraulic control unit of a vehicular brake system includes a substantially annular filter body. The body has an inner surface, an outer surface, a first end, and a second end. The inner surface d...
01/25/2005
6811694Liquid filter
A liquid filter for removing contaminants from liquids such as lubricating oil, water or fuel, comprising a filter housing (10), a filter element (15), a support body (16) and a slide valve (17), which, when closed, prevents liquid from f...
11/02/2004
6766825Top-loaded replaceable flow control and particulate strainer
A ballcock valve with a valve body mounted on a tubular riser with a valve seat which passes water from the riser. The valve body includes a base and a removable cap which enclose valve workings. A screen body passed through the valve seat has a central passage and ...
07/27/2004
6709576Fuel filter with water discharge
A fuel filter 10, particularly for diesel fuel, which is formed by a filter housing 11 with a filter head 12 and a filter enclosure 13. The filter head 12 has a fuel inlet 14 and a fuel outlet 15. The housing enclosur...
03/23/2004
6681796Drainage valve pipe tap assembly
A drainage valve tap assembly for connection of a branch line to a main line while simultaneously forming a freeze proof drain comprising a hollow body having a first end and a second end, a cutting tube attached to the first end of the body; a handle hav...
01/27/2004
6645376Tube connection assembly with safety locking system for external filters for aquariums
A tube connection assembly for external filters for aquariums comprising a container that is closed by an upper lid and contains at least one filtering mass crossed by a water stream that is forced by a pump incorporated in the lid; two valves with flow c...
11/11/2003
6627077Multi-part filter combination
A multi-part filter combination is received in a stepped bore of a fluid-carrying component. A larger-diameter filter part is associated with a larger-diameter bore portion, and a smaller-diameter filter part is associated with a smaller-diameter bore por...
09/30/2003
6569326Fluid filter with a central component which can be assembled
The invention relates to a fluid filter, such as an oil filter for an internal combustion engine, comprising a filter housing which can be closed by a screw lid, a filter element and a central, approximately tubular component which projects into the inter...
05/27/2003
6558536Liquid filter with a cooler
A liquid filter, especially including an oil filter cartridge (12) which is contained in a pot-shaped or cylindrical housing (10) with threaded cover (11), into which a cooler (13) is preferably installed. An outlet opening (37a) is contained in the oil c...
05/06/2003
6412645Integrated filter and noise suppressor device for a water valve assembly and associated method for operating the same
A water valve assembly includes a valve body having defined therein a central cavity. The water valve assembly also includes an integrated filter and noise suppressor device having a component body which has defined therein (i) a number of screen members,...
07/02/2002
6391194Filter device for a fuel supply system of an internal combustion engine of a motor vehicle
A filter device for fuel supply system of an internal combustion engine of a vehicle has a housing, a filter insert arranged in the housing, at a dirt side a supply from a fuel container, at a clean side an outlet to an internal combustion engine, a retur...
05/21/2002
6390446Structure for pipe joint filter
The invention is an improved structure for a pipe joint filter. The pipe joint equips a water-blocking valve on the top, an extruded joint structure with male screw threads on the lateral side, and a ring pipe at the free end of the pipe joint. A washer i...
05/21/2002
6261448Oil filtration and heat exchange apparatus
Described is an oil filtration apparatus that includes external vanes 120 and associated outer flow passages 140 for allowing a heat exchange to occur between oil passing therein and cool air that passes by the vanes. A manually rotatable valve 154 is pro...
07/17/2001
6251265Pressure regulating sludge filter
A combination coolant filter and pressure regulator for an automotive engine's cooling system is configured to be spliced in line with the coolant supply line to the heater core. The filter has a housing and a filter element that is moveable within the ho...
06/26/2001
6231762Filtration system for septic system
A wastewater filtration system with a housing provided by a cylindrical conduit forming a filter chamber and having an inlet end and an outlet. A shutoff valve assembly is connected to an inlet end of the housing, and includes a closure element movable be...
05/15/2001
6216880Filter device for flowable plastic material
A filter device for separating particulate material from a stream of flowable plastics; the device comprises a body member having at least a filter chamber and a flow path extending between inlet and outlet sides. A filter band transversally extends in sa...
04/17/2001
6216730Filter for diaphragm-type flush valve
A diaphragm-type flush valve for use with toilet devices such as urinals and water closets includes a body having an inlet and an outlet. There is a valve seat between the inlet and outlet and a valve member movable to a closing position on the valve seat...
04/17/2001
6187182Filter cartridge assembly for a gas purging system
The filter cartridge assembly has a valve body having an interior flow passage, a filter across the interior flow passage, and a check valve assembly in the valve body. The filter removes particulates as small as 0.003 microns. A check valve element adjac...
02/13/2001
6158455Antifreeze cap for faucet
A cap assembly for providing continuous drip to a faucet exposed to freezing temperatures such as a faucet located outside a house. The cap assembly includes a cap member adapted to be mounted over the end of a faucet, which cap member includes a cylindri...
12/12/2000
6117312Filter bypass valve having adjustable spring biasing force
A filter device has a bypass valve which releases a fluid-conveying path to an outlet when a filter element becomes clogged. The bypass valve includes a closure part on which at least one closure spring acts. To adjust the spring pretension and the openin...
09/12/2000
6098652Quick connect fuel filter and regulator
A modular pressure regulator/filter wherein the fuel filter is adapted to be attached to a fuel delivery system of an internal combustion engine and the housing thereof has a projecting wall on the filter housing adjacent to a female opening in the fuel f...
08/08/2000
6058899Separator
A device for separating impurities from the lubricating oil of an internal combustion engine, in which the device (1) has at least one filter insert (2), a centrifuge (3) operable by the flow of lubricating oil, and at least one discharge channel (5) for ...
05/09/2000
6035885Sealing valve for controlling fluid flow through a passage
A sealing valve for controlling the flow of fluid through a passage defined by the interior surface of a tubular casing comprises a valve body having a longitudinal axis and a longitudinal bore therethrough. The valve body is formed for releasable connect...
03/14/2000
6027640Anti-drain back/pressure relieved filter cartridges
A filter including a combination bypass valve and anti-drain valve is disclosed herein. The filter includes an annular valve support which supports an annular valve member disposed between the support and a filter cartridge. The valve support has an inner...
02/22/2000
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