| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 210234000 | Removable treatment part with normally disabled flow controller | 49 |
| 20080217235 | Liquid Filter - A liquid filter, in particular for the lubricating oil of an internal combustion engine, having a housing with an inlet and an outlet formed from a housing pot having a substantially downwardly open filter element installation opening and a screw-on cover that closes the installation opening, and a filter element arranged in the housing, sealingly separating the inlet from the outlet. The screw-on cover has a drain for residual liquid present in the housing with a round drain opening arranged in the central axis of the housing. A device for opening and closing the drain opening is arranged in the area of the drain and connected to an end disk of the filter element so that it moves relative to the drain opening and opens the drain when the cover is unscrewed. | 09-11-2008 |
| 20080223775 | Water purifying device - A water purifying device includes a filter unit that can be easily coupled and separated. The water purifying device includes a filter unit to filter out impurities from water passing therethrough and a connection unit connected to the filter unit to transmit water from the outside to the filter unit and to transmit the water purified by the filter unit to the outside. The connection unit includes an external case having an introduction port through which water is introduced from the outside and a discharge port through which purified water is discharged to the outside, an internal case rotatably mounted in the external case, the internal case having a first communication hole selectively communicating with the introduction port and a second communication hole selectively communicating with the discharge port, and an opening and closing valve to selectively open and close the first communication hole depending upon whether the filter unit is coupled or not to the connection unit. The first communication hole is opened and closed by the opening and closing valve. As a result, it is possible to omit a sealing member to sealing a region adjacent to the first communication hole, whereby the rotation of the filter unit is more easily accomplished. Consequently, the process for coupling the filter unit to the connection unit or separating the filter unit from the connection unit is more conveniently accomplished. | 09-18-2008 |
| 20080264850 | Filter Device, Especially for Filtering Liquids in Internal Combustion Engines - Disclosed is a filter device, especially for filtering liquids in internal combustion engines, comprising a filter element ( | 10-30-2008 |
| 20080290017 | Connection device for hydraulic circuit - The present invention relates to a connecting element for hydraulic circuits. The device comprises a body provided with one channel having an inlet section and an outlet section, the channel being connectable with a fluid supply line, said body being further provided with an aperture which opens, to the outside, into a seat located in the channel. The devices also comprises a filter element insertable in a removable manner into the seat, through the aperture, in order to intercept the fluid in the channel. Advantageously the filter element is defined by at least two portions, coupled with angled or radiused joints to define an internal volume, one portion having a different geometry from the other. | 11-27-2008 |
| 20080302713 | ANTIMICROBIAL FILTER CARTRIDGE - An antimicrobial filter cartridge having a microporous core member about which is applied a yam which may be impregnated with a antimicrobial agent. The filter cartridge is sized so as to fit tightly into a cartridge housing of a fluid filtration system. Fluid passing through the cartridge housing will be filtered by the filter cartridge to remove bacteria and other contaminants from the water and which prevents the growth of bacterial and other microorganisms on the filter media. | 12-11-2008 |
| 20090039007 | OIL FILTER HOUSING - The present invention discloses an oil filter housing, comprising an upper bowl adapted to be mounted onto a filter-mounting base of an engine, a top end of the upper bowl being formed with oil inlets and an oil outlet, and a protruding structure being provided on an outer top end surface of the upper bowl, the protruding structure adapted to be engaged with the filter-mounting base so as to position the upper bowl and limit rotation of the upper bowl relative to the filter-mounting base; and a lower bowl detachably coupled to the upper bowl and a bottom end of the lower bowl being closed. The oil filter housing according to an embodiment of the present invention is simple in structure, low in cost, easy to operation and safe. | 02-12-2009 |
| 20090071890 | WATER DISPENSER AND FILTER CARTRIDGE FOR USE THEREIN - A water dispenser including a water inlet adapted to receive water from a water supply, a water filter operative to filter water received from the water supply via the water inlet, a water outlet operative to provide filtered water received from the water filter, a water spill collector and a pivotably mounted drainage-equipped water container support having a first operative orientation underlying the water outlet and defining a downwardly inclined water spill drainage pathway communicating with the water spill collector and a second, non-operative, orientation not underlying the water outlet. | 03-19-2009 |
| 20090084724 | TREATMENT ASSEMBLIES - A fluid treatment assembly defines a treatment chamber and includes a treatment sub assembly positioned in an assembled condition in the treatment chamber. The treatment sub assembly includes a plurality of treatment members. The treatment assembly is arranged so that in use a fluid for treatment flows through the treatment members. | 04-02-2009 |
| 20090114585 | Liquid filter arrangement; components; and, methods - Liquid filter arrangements are described and shown. The arrangements generally include a filter head, a seal adaptor, and a filter member comprising a shell enclosing a cartridge. Unique features for interface between the filter cartridge and the filter head are provided. Also provided are unique filter head features and cartridge features. | 05-07-2009 |
| 20090159520 | Filter for an Internal Combustion Engine and Filter Cartridge for the Oil Filter - An oil filter for an internal combustion engine has a filter housing having an interior and an exchangeable filter cartridge arranged in the interior of the filter housing. A drainage valve is arranged in the filter housing and has a valve seat and a valve member. The valve member is movable relative to the valve seat in an opening direction that is parallel and coaxial to a longitudinal axis of the filter housing and oriented toward the interior of the filter housing. The valve member is received in the valve seat in a closing direction opposite to the opening direction. The valve member can be pushed out of the filter housing in the closing direction. The valve member and the filter cartridge form together a servicing unit for joint exchange of the valve member and the filter cartridge. | 06-25-2009 |
| 20090173683 | DRAINLESS REVERSE OSMOSIS WATER PURIFICATION SYSTEM - A drainless reverse osmosis (RO) water purification system provides relatively pure water for on-demand dispensing, while recycling brine to a domestic hot water system. The drainless purification system includes a pre-filter catalyst cartridge for removing chlorine-based contaminants from a tap water supply upstream from an RO membrane. The catalyst is regularly refreshed by a high through-flow of water to a conventional cold water dispense faucet, thereby significantly prolonging the service life of the RO membrane. The RO membrane is incorporated into a multi-cartridge unit adapted for facilitated slide-out removal and replacement as needed. A control valve recycles brine from the RO membrane to the hot water system during pure water production, and recirculates tap water through the RO membrane when a pure water reservoir is substantially filled. The multi-cartridge unit may further include an air filtration system for providing a flow of filtered air. | 07-09-2009 |
| 20090184043 | Filtration module including unitary filter cartridge-bowl construction - A filtration module is provided which includes a manifold ( | 07-23-2009 |
| 20090184044 | IN-TANK FUEL DELIVERY MODULE HAVING AN ACCESSIBLE FUEL FILTER - A fuel delivery module includes a fuel filter housing and a cover. The fuel filter housing defines a cavity configured to receive at least a portion of a fuel filter. A first end portion of the fuel filter housing includes a flange configured to be disposed outside of and coupled to a fuel tank. A second end portion of the fuel filter housing is configured to be disposed within the fuel tank and includes an inlet connector configured to fluidically couple the cavity to a fuel pump. The cover is configured to be removably coupled to the first end portion of the fuel filter housing. The cover defines a first lumen and a second lumen. The first lumen is configured to fluidically couple the cavity to a fuel outlet line. The second lumen is configured to fluidically couple the cavity to a regulator. | 07-23-2009 |
| 20090230047 | CARTRIDGE FILTER FOR AIRCRAFT - The invention relates to a filter device comprising a hydraulic block ( | 09-17-2009 |
| 20090236277 | Modular Drinking Water Filtration System with Internal Sealing Between Valve Spindle and Head - A rotary valve spindle for flow control in the head of a filter includes a unitary dual function seal that is carried by the spindle and seals against the inner surface of the filter head during spindle rotation between flow and no-flow positions. The dual function seal greatly simplifies manufacture and assembly of the valve. | 09-24-2009 |
| 20090308801 | Fluid Filter, Fluid Filter Assembly, And Mounting Method - A filter and filter element is provided that incorporates a valve member for preventing priming fluid from contaminating a clean fluid side of the filter or filter element. The filter may incorporate a replaceable filter element or be replaceable itself. The valve member is preferably formed as an annular flange of a grommet mounted to an end cap of the filter element. The annular flange sealingly engages with the end cap and closes a clean fluid outlet port in a relaxed state and opens the clean fluid outlet port in a deformed state. | 12-17-2009 |
| 20100006493 | Oelfilteranordnung und Filterelement Hierfuer - An oil filter assembly ( | 01-14-2010 |
| 20100032362 | REPLACABLE FILTER ELEMENT WITH SHIELDED BOTTOM BYPASS VALVE - A replaceable inside out flow filter element comprises an annular filter media structure; an upper end cap attached one end of the media structure; a lower end cap attached to an opposed end of the media structure, with an inner annular bypass mounting sidewall formed on the lower end cap; a bypass valve assembly secured to the inner annular bypass mounting sidewall and configured to communicate with the radial inner side of the annular filter media structure; and an annular bypass shield tube coupled to the bypass mounting sidewall and extending above the bypass valve assembly toward the upper end cap, wherein the inner annular bypass mounting sidewall and the annular bypass shield tube combine with the radial inner side of the media structure to define an annular particulate receiving area that extends about at least ½ of the length of the media structure from the lower end cap. | 02-11-2010 |
| 20100044295 | LIQUID FILTER, ASSEMBLY, SYSTEM, AND METHODS - A filter cartridge | 02-25-2010 |
| 20100078375 | Filter assembly - A filter assembly is disclosed having a filter base including an inlet and an outlet. The filter assembly also has a first valve disposed in the inlet, the first valve including a portion that protrudes from the filter base. The filter assembly additionally has a second valve disposed in the outlet, the second valve including a portion that protrudes from the filter base. The filter assembly also has a removably attachable filter configured to mechanically bias the first and second valves in an open position. | 04-01-2010 |
| 20100108591 | Filter with Installation Integrity and Magnetic Flow-Control - A filter with installation integrity permits fluid flow only in a first installation condition and not in a second undesired or mis-installation condition, including improper alignment or mounting of a filter element in a housing, an incorrect replacement filter element, absence of a filter element, and an incorrect housing cover. A magnetically actuated valve has a piston controlling fluid flow according to installation condition. | 05-06-2010 |
| 20100140157 | Liquid filter arrangement and methods - A liquid filter arrangement is provided, as well as methods of assembly and use. The liquid filter arrangement includes an anti-drain back valve assembly therein. Advantageous features, relating to a preferred filter cartridge and preferred anti-drain back valve arrangement, are provided. | 06-10-2010 |
| 20100170841 | Filter assembly, valve assembly, and water purifying system having the same - A water purifying system having a bypass path supplies raw water to an outlet when a filter assembly is separated from a valve assembly. The water purifying system includes a valve assembly having a valve cover with an inlet and an outlet, and a head member moved up and down within the valve cover to form an inflow path and an outflow path, and a filter assembly removably connected to the valve assembly and mounted with a filter. When the filter assembly is connected to the valve assembly through a linear motion, the filter assembly advances the head member so that a fluid flown in through the inlet is guided to the outlet passing through the filter. When the filter assembly is separated from the valve assembly, the head member is retreated so that the fluid flown through the inlet is guided to the outlet bypassing the filter. | 07-08-2010 |
| 20100282658 | OIL FILTER ARRANGEMENT - The invention relates to an oil filter arrangement having a housing comprising a receiving space for a filter element, wherein a discharge opening is provided at the bottom of the receiving space and a discharge valve is provided in the discharge opening wherein the discharge valve comprises a valve body, which is movable between a closing position and an opening position in a displaceable manner and is moved to the locking position by a first spring element when the filter element is inserted, wherein the first spring element is disposed on the valve body on the side of the valve body facing away from the discharge opening and is configured as a compound spring having a flat, bent metal band. The metal band acts against the filter element or against an end disk of the filter element when the filter element is inserted. | 11-11-2010 |
| 20110073538 | STANDPIPE WITH FLOW RESTRICTION VALVE, AND FILTER CARTRIDGE - A “no filter, no run” filtration system that is designed to verify that a filter cartridge is present to safe-guard against damage to fuel injectors, associated fuel components, etc. and engine malfunctions. Fuel flow to the engine is prevented altogether or permitted in an amount insufficient to allow engine operation if a filter cartridge is not installed, and an appropriately designed filter cartridge is required to be used in order to permit sufficient fuel flow for engine operation. In one embodiment, a flow restriction valve is provided that includes a ball. | 03-31-2011 |
| 20110192782 | FLUID FILTRATION SYSTEM - A fluid filtration system is disclosed comprising a manifold assembly comprising a mounting bracket, an alignment collar connected to the mounting bracket, and a latch assembly moveable with respect to the mounting bracket and alignment collar. The system further comprises a filter cartridge comprising a filter cartridge outer surface and a cartridge latching structure formed on the filter cartridge outer surface to interact with the latch assembly. When the filter cartridge is aligned with the alignment collar and inserted into the manifold assembly, the filter cartridge is (i) latched into the manifold assembly by translating the filter cartridge into the manifold assembly to cause movement of the latch assembly to engage the cartridge latching structure; and (ii) unlatched from the manifold assembly by translating the filter cartridge into the manifold assembly to cause movement of the rotating latch assembly to disengage the cartridge latching structure. | 08-11-2011 |
| 20110215043 | FILTER ASSEMBLY - A filter assembly for filtering a fluid. The filter assembly at least one filter in a housing, an inlet lid mounted over the filter housing and including an inlet for the inlet of fluid into the housing, and an outlet lid mounted over the filter housing and including an outlet for the outlet of fluid from the housing. The assembly also includes an inlet plunger adapted for sealing flow from the inlet when the inlet plunger is biased to a first sealing position, and an outlet plunger adapted for sealing flow to the outlet when the outlet plunger is biased to a first sealing position. | 09-08-2011 |
| 20110226688 | LIQUID FILTER ARRANGEMENTS AND METHODS - A liquid filter arrangement is provided, as well as methods of assembly and use. Advantageous features, relating to a preferred filter cartridge and a preferred slide arrangement, are provided. | 09-22-2011 |
| 20120024771 | NO FILTER NO RUN FILTER ASSEMBLY WITH AIR VENT - A filter cartridge includes a filter media defining an interior space, and having a first end and a second end, a first end plate connected to the first end, and a second end plate connected to the second end. A pin is connected to the second end plate and extends downwardly into the interior space. The pin defines a flow passage threrethrough that communicates the interior space with an outside of the filter cartridge. | 02-02-2012 |
| 20120037557 | Filter - The filter may include a first end cap, a second end cap, and a filter media. The filter media may be located between the first end cap and the second end cap. The filter media and the end caps may be located in a shell. An insert including a projection may be connected to the shell. The projection may engage a valve in the filter head when the filter is mounted onto a filter head. The projection may include a curved portion. The curved portion may engage a ball in the valve. The filter media may be a coalescing media which may assist in separating water from a fuel and water mixture. | 02-16-2012 |
| 20120091052 | BRINE FILTERING DEVICE, APPLIED TO A MEAT PRODUCT INJECTION MACHINE - A brine filtering device, applicable to a meat product injection machine, including a pre-filtering unit with two pre-filtration drums arranged to rotate coaxially about a horizontal axis and a safety filtering unit with at least one safety filter sleeve submerged in a tank and connected to an outlet. An inlet hopper receives brine to be filtered and forces it into the first pre-filtration drum through an upper region of its filtering wall. The brine which exits a lower region of the first pre-filtration drum is collected in a tub, then it enters into the second pre-filtration drum through a lower region of its filtering wall, and next it is poured into tank through an open side wall of the second pre-filtration drum. | 04-19-2012 |
| 20120125832 | FLUID FILTER, FLUID FILTER ASSEMBLY, AND MOUNTING METHOD - A filter and filter element is provided that incorporates a valve member for preventing priming fluid from contaminating a clean fluid side of the filter or filter element. The filter may incorporate a replaceable filter element or be replaceable itself. The valve member is preferably formed as an annular flange of a grommet mounted to an end cap of the filter element. The annular flange sealingly engages with the end cap and closes a clean fluid outlet port in a relaxed state and opens the clean fluid outlet port in a deformed state. | 05-24-2012 |
| 20120261324 | OIL FILTERING DEVICE - The present invention relates to a filtering device, which comprises a base plate ( | 10-18-2012 |
| 20130233783 | FILTER DEVICE - A filter device having at least one filter element ( | 09-12-2013 |
| 20130256207 | LIQUID FILTER ARRANGEMENT AND METHODS - A filter arrangement is provided, as well as methods of assembly and use. Advantageous features, relating to a preferred filter cartridge and a preferred slide arrangement, are provided. A filter cartridge is provided that includes a plurality of projections spaced from one another around a central axis. Also, a liquid filter assembly arrangement is provided that includes a plate arrangement having a central liquid flow channel, the central liquid flow channel including a cartridge positioning projection arrangement therein, comprising at least one projection extending radially toward a central axis. | 10-03-2013 |
| 20130264265 | MODULAR FILTER CAPSULE APPARATUS - Disclosed is a disposable filter capsule apparatus that incorporates integral quick connect components and check valves to facilitate assembly to, and dis-assembly from, larger assemblies and apparatus. The quick connect elements and valves are configured to eliminate the need for auxiliary sealing elements, e.g., o-rings and valve springs so as to prevent unwanted reactions with fluids and/or gases flowing through the capsules, and to further prevent the disposal of expensive re-usable elements in the disposable capsules. | 10-10-2013 |
| 20130306540 | NO FILTER NO RUN FLUID FILTRATION SYSTEM - An upper endcap of a fuel filter cartridge includes a skirt, an axially extending pin surrounded by the skirt, and a plurality of ribs that define fluid flow channels leading to the pin. The pin is extendable through an axially facing fuel inlet opening at the upper end of a standpipe for actuating a valve to an open position allowing fuel to flow through the axially facing inlet opening and into the standpipe. The valve can include a hole that receives the pin therein to help stabilize the valve when the valve is actuated open. | 11-21-2013 |
| 20130341261 | FILTER CARTRIDGES AND MANIFOLDS FOR LINEAR MOTION INSTALLATION - Described are filter cartridges having an inlet opening and an outlet opening on the stem of the filter cartridges, which permit the permit the entry and exit, respectively, of a fluid in one or more radial directions perpendicular to the longitudinal axis of the stem. These filter cartridges are suitable for use in filtration systems that allow users to install the filter cartridges by a straight line push motion and remove the filter cartridges by a straight line pull motion. | 12-26-2013 |
| 20140061112 | AIRCRAFT GALLEY PLUMBING SYSTEM POTABLE WATER MANIFOLD/FILTER BLOCK - An aircraft potable water supply system allows unused water to be recovered for later use. The system prevents cross contamination of potable water, waste water and foul water, drains down the entire system upon aircraft shutdown and refills the system in preparation for a resumption of service. | 03-06-2014 |
| 20140183116 | Liquid Filter with an Eccentric Liquid Discharge Channel - A liquid filter with a replaceable filter insert and a housing having a raw liquid inlet, a central clean liquid outlet, and an eccentric liquid discharge channel. A standpipe extends above the liquid outlet and receives the insert. The insert has an eccentric closing pin. A first positioning arrangement is arranged on the clean liquid outlet and a lower end region of the standpipe so that, when the standpipe is plugged into the clean liquid outlet, the standpipe is guided into a particular position relative to the filter housing. A second positioning arrangement is arranged on the standpipe and the insert so that, when the insert is plugged onto the standpipe, it is guided into a particular position relative to the standpipe. The positioning arrangements are matched to one another so that the closing pin on the insert enters into engagement with the discharge channel in the filter housing. | 07-03-2014 |
| 20140197087 | Fuel Filter Assembly and Cartridge - A draw latch retainer is used to secure a filter cartridge to a filter head. A cam actuated retainer extends from the head to engage a keeper in the top of the cartridge. Rotation of the cam draws the retainer and cartridge axially toward the head into an installed position. The retainer extends through an aperture in the upper portion of the cartridge to apply a retention force against the bottom side of the keeper. The keeper and upper portion of the cartridge supporting the keeper are configured to transmit the retaining force laterally across the top of the cartridge. The keeper may be integral with a top plate enclosing an open end of the cartridge housing, or may be supported by the top plate. | 07-17-2014 |
| 20140202944 | LIQUID FILTRATION SYSTEMS, COMPONENTS, AND METHODS - Filter assemblies, filter modules, and filtration systems and methods. | 07-24-2014 |
| 20140353234 | Filter Device, in Particular Liquid Filter - A filter device has a cup-shaped filter housing and a filter element disposed in the filter housing. A filter head is connectable to the filter housing and forms a cover for the filter housing. A spring element is provided that is acting on the filter element. The filter head has at least one first form-fit element. The filter housing has at least one second form-fit element for interacting with the at least one first form-fit element. The spring element is arranged such that the filter head and the filter housing for reaching a closed position, in which the at least one first form-fit element and the at least one second form-fit element engage each other, are movable relative to each other axially against the force of the spring element. The spring element clamps the filter element axially between filter head and filter housing in the closed position. | 12-04-2014 |
| 20140360929 | INTERLOCK DEVICE - A filter receptacle assembly is described including a filter receptacle having a receptacle wall and a circular edge defining an opening for receiving a filter cartridge and a first interlock device coupled to the receptacle wall of the filter receptacle, wherein the first interlock device comprises a first actuator moveable between a first position and a second position and biased into the first position, wherein at least a portion of the first actuator protrudes from the receptacle wall in the first position, wherein the first interlock device is configured so that when a filter cartridge is inserted into the filter receptacle, the first actuator is moved by the filter cartridge from the first position to the second position and is held in the second position by the filter cartridge. | 12-11-2014 |
| 20150060344 | CANISTER FILTER SYSTEM WITH DRAIN THAT COOPERATES WITH FILTER ELEMENT - A filter assembly with a replaceable filter element and a reusable filter housing, which incorporates a locking mechanism to ensure that the filter system will not be operated without a filter element installed. | 03-05-2015 |
| 20150136677 | FILTER BOX, A FUEL CIRCUIT FOR FEEDING FUEL TO AN ENGINE, AND AN AIRCRAFT - A filter box ( | 05-21-2015 |
| 20150367263 | LIQUID FILTER ARRANGEMENT AND METHODS - A liquid filter arrangement is provided, as well as methods of assembly and use. Advantageous features, relating to a preferred filter cartridge and a preferred slide arrangement, are provided. | 12-24-2015 |
| 20160144301 | MODULAR MULTIMEDIA FLUID TREATMENT SYSTEM - A modular multimedia fluid treatment system of the manifold type is disclosed wherein fluids, to be treated, are conducted into a first end of a manifold, conducted through a plurality of treatment cartridges, and end-use fluid is conducted out from a second opposite end of the manifold of the fluid treatment system. While the present invention is described and illustrated in conjunction with treating water, the general overall structure of the present invention may of course be utilized in conjunction with the treatment of fluids other than water. In addition, the unique modular characteristics of the system are applicable to those systems utilizing one or more fluid treatment cartridges. | 05-26-2016 |
| 20220134263 | FILTER CARTRIDGE WITH VALVE ACTIVATION FEATURE - A filter assembly includes a housing defining unfiltered and filtered cavities, a coolant inlet, and a coolant outlet. The filter assembly further includes a stop valve movable between a stop valve closed position and a stop valve open position and an anti-drain valve movable between an anti-drain valve closed position and an anti-drain valve open position. The coolant inlet is in fluid communication with the unfiltered cavity when the stop valve body is in the stop valve open position. The coolant outlet is in fluid communication with the filtered cavity when the anti-drain valve body is in the anti-drain valve open position. A filter cartridge includes a bottom endplate having a rib with a rib end face engaging with the stop valve to move the stop valve body from the stop valve closed position to the stop valve open position when the filter cartridge is positioned within the housing. | 05-05-2022 |
