U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5443036

Method of exercising a cat

A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 210/444 - Filter suspended from head


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus in which the filter element is attached to and
No. of patents: 254
Last issue date: 12/08/2009


1              
NumberTitleIssue Date
7628280Liquid 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 pro...
12/08/2009
7442220Assembly for collecting material entrained in a gas stream
An assembly for collecting material entrained in a gas stream comprising a housing having a head part and a body part, and inlet and outlet ports. A chamber port is provided in the head part having internal walls defining a primary chamber with a first end communica...
10/28/2008
7441664Water treatment devices and cartridges therefor
A cartridge for treating water, the cartridge capable of releasably engaging a water treatment device. The cartridge includes a housing, an inlet for introducing untreated water into the cartridge, an outlet port for egress of treated water from the cartridge, and a...
10/28/2008
7438811Water purification apparatus
A water purification apparatus includes a main body having an accommodation chamber inside and a plate on a top side thereof, a lid pivotally mounted on the main body and closable on the main body, a holder mounted with the plate of main body and defining with the p...
10/21/2008
7435346Strengthening construction for depressing cap of water filter
Disclosed is a strengthening construction for depressing cap of water filter, said depressing cap has a water inlet and a water exit, a pipe line which does not form a via hole for connecting said water inlet and water exit is formed between said water inlet and wat...
10/14/2008
7416664Water-conditioning cartridge
A water-conditioning cartridge has a housing that encloses an ion exchanger and can be screwed via a screw thread onto a cartridge-connecting fitting. The cartridge is provided with a water inlet for admission of untreated water, especially from a water-supply syste...
08/26/2008
7410575Fluid filter and cap member
A three-piece filter system comprises a base, a deep pocket filtering media, and a housing shell. The base is adapted to be fitted/threaded onto an engine block, with a sealing surface to provide a seal with the engine block. The filtering media and cap member is pl...
08/12/2008
7390407Liquid 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 close...
06/24/2008
7387210Filter cartridge and manifold for a water purification system
A combined filter cartridge and manifold for use in a water purification system or the like, to facilitate substantially drip-free filter cartridge removal and replacement. The filter cartridge includes water inlet and outlet ports for respective connection with inl...
06/17/2008
7387725One-touch fitting type single or multiple adapter, filter assembly detachably engaged with the same and water purifying system employing these elements
A one-touch fitting type adapter and a filter assembly are provided in which the filter assembly used for machinery, such as a bidet or a refrigerator, is easily assembled with or disassembled from the adapter through a one-touch fitting manner such that the filter ...
06/17/2008
7344582Filter assembly
This invention relates to a filter assembly for removing material that is entrained in a gas stream. The filter assembly comprises a housing which comprises head and body parts, with an inlet port in the head part for a gas stream to flow into the housing, the head ...
03/18/2008
7300581Remote mountable filter assembly
A filter assembly capable of being directly mounted to a transmission housing or to a structure other than the transmission housing. The transmission housing includes a cavity, or groove that receives a sealing device, which is used when the filter assembly is to be...
11/27/2007
7294262Modular fluid treatment apparatus
Some embodiments of the present invention provide a modular fluid treatment assembly and method in which modules of the system each have a head that can be connected to one or more heads (of one or more other modules) in different configurations. In some embodiments...
11/13/2007
7267768Liquid filter
A liquid filter, in particular for internal combustion engines, having a filter housing with an essentially hollow cylindrical filter element arranged therein in a sealing manner to separate an unfiltered liquid side of the filter from a filtered liquid side. The fi...
09/11/2007
7264718Fluid filter apparatus and method
A fluid filter system has a manifold having a fluid inlet with an inlet stop and a fluid outlet with an outlet stop and a cartridge seat. A cartridge is separable from the manifold and adapted to mount and dismount in the manifold. The cartridge has a filter housing...
09/04/2007
7244353Method of and system for fluid purification
A method of and system for purifying fluid of an internal combustion engine or hydraulic system utilizes an evaporation chamber separate from a filtering chamber. A metering valve may be oriented between the filtering chamber and the evaporation chamber to control t...
07/17/2007
7237682Filter assembly with slip thread
A filter assembly comprising a housing with a threaded open end, a filter element, and a cover assembly. The filter element includes a media ring and a pair of end caps, one of which includes outwardly-projecting fingers. The cover assembly includes a cover member, ...
07/03/2007
7232522Self locking bowl retainer for a filter can
In a Racor filter, an adaptor is provided to threadably mount a water collecting bowl to a can containing a filter element. In order to prevent the adaptor from rotating with respect to the can, the adaptor has an axially extending rim with a non-circular cross sect...
06/19/2007
7195122Filters
A filter comprising a filter cartridge and a housing having at least one fitting and defining a chamber, the filter cartridge being disposed in the chamber, wherein the housing includes a fluid conduit which extends axially from the fitting along the periphery of th...
03/27/2007
7186338Twist and lock filter housing
A filter housing having radial sealing means is disclosed herein. Upper bosses and lower bosses can be used to attach the head to the sump for easy opening and closing the filter housing when replacing the filter cartridge. The filter housing of the present inventio...
03/06/2007
7186337Quick-change filter and bracket system
A bracket system holds one or more filters in quick-attach and quick-release fashion. Bracket modules are combined in modular fashion, with tubing or other conduit between the modules, to create a “bank” of filters easily changed in number, arrangement, and flow...
03/06/2007
7172693Quick change filter and bracket with key system and universal key option
A bracket system holds a filter(s) in quick-attach and quick-release fashion. Brackets are combined in modular fashion, with conduit between the brackets, to create a “bank” of filters easily changed in number, arrangement, and flow scheme. Top brackets and bott...
02/06/2007
7166215Pressure vessel and recyclable filter cartridge
A filter assembly is described that includes a substantially recyclable filter cartridge inside a pressure vessel. The invented filter cartridge comprises substantially non-pressure bearing walls, except for a pressure-bearing neck or cap with neck that is adapted t...
01/23/2007
7160451Liquid filter assembly for use with treatment agent and methods
A liquid filter arrangement including an internally received treatment agent storage and release cartridge is provided. The assembly is configured for diffusion of the treatment agent from the treatment agent storage and release cartridge, into liquid flowing throug...
01/09/2007
7147772Low spillage replaceable water filter assembly
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 disposed substantially horizontally. A...
12/12/2006
7141163Liquid filter for vehicle internal combustion engines
A filter cartridge (20) having an upper disc (22) joined to an upper end of a tubular filter medium (21) is positioned within a casing (11) having an upper closure cover (12). First coupling elements (31) joined to the cover...
11/28/2006
7138052Quick change fitter and bracket system with key system and universal key option
A bracket system holds a filter(s) in quick-attach and quick-release fashion. Brackets are combined in modular fashion, with conduit between the brackets, to create a “bank” of filters easily changed in number, arrangement, and flow scheme. Top brackets and bott...
11/21/2006
7101479Filter cartridge construction
A filtration module (10) is provided which includes a manifold (12), a filter cartridge (16) and a bowl (14) which houses the filter cartridge (16). The filter cartridge (16) and bowl (14) are connected to each other ...
09/05/2006
7083725Hinge down refrigerator water filter
A refrigerator water filter assembly is provided in the ceiling of a refrigerator and is adapted to hinge downwardly from the ceiling for changing the filter cartridge. The cartridge is normally partially recessed within the ceiling so as to minimize the use of spac...
08/01/2006
7077955Joint used in one of a water inlet or water outlet of a filter cylinder or a filter casing
A joint used in one of a water inlet or water outlet of a filter cylinder, or a water inlet or a water outlet of a filter casing is disclosed. The joint is a round cylindrical tube and comprises at least one first waterproof washer installed near one end of the roun...
07/18/2006
7073670High capacity depth filter bag
A filter element for hydrocarbon emissions in, e.g., marine diesel engine applications, comprises a wound mat received within a filter bag. An annular end cap is bonded to one end of the wound mat, and is sealed around its periphery to a bag ring at the open end of ...
07/11/2006
7056435Hinge down refrigerator water filter
A refrigerator water filter assembly is provided in the ceiling of a refrigerator and is adapted to hinge downwardly from the ceiling for changing the filter cartridge. The cartridge is normally partially recessed within the ceiling so as to minimize the use of spac...
06/06/2006
7048129System and method for processing liquid
A device for processing liquid with a main body having a valve housing chamber with a main inlet port and a main outlet port along a non-horizontal axis; a liquid inlet processing port and a liquid outlet processing port. The valve housing chamber has a rotatable va...
05/23/2006
7022228Filter device
A filter device includes a pot-shaped filter housing (1) that defines a longitudinal axis along which a filter element (13) can be inserted into and removed form the filter housing (1). A retaining device detachably retains the filter element (
04/04/2006
6998045Spin-on filter including improved sealing arrangement and filter head therefor
A fluid filter assembly includes a housing having a closed end and an open end; a filter element operably oriented in the housing; a baffle plate mounted to operably cover the housing open end; the baffle plate including a first axial face and an outer circumferenti...
02/14/2006
6994741Protective filter cover
A protective cover for an engine filter having a cover upper portion and at least one cover sidewall attached to the cover upper portion, wherein the cover upper portion and the at least one cover sidewall form an enclosure, such that an inner perimeter of the enclo...
02/07/2006
6977006Keyed system for connection of filter cartridge to filter holder
Embodiments of a key system for filters and their connecting heads/holders are shown. The filter cartridge and its holder each have a keyed surface, one being a protruding “key” and one being a recessed “lock”. Cooperation of these keyed surfaces is required...
12/20/2005
6977039Fluid filter apparatus and method
A fluid filter system has a manifold having a fluid inlet with an inlet stop and a fluid outlet with an outlet stop and a cartridge seat. A cartridge is separable from the manifold and adapted to mount and dismount in the manifold. The cartridge has a filter housing...
12/20/2005
6966986Under the counter filter installation
An under the counter water filter assembly with long flexible connecting conduits has a valve head which releasably hooks on brackets on a cabinet wall under the counter. The valve assembly can be removed from the brackets and the filter cartridge changed while stan...
11/22/2005
6953526Filter assembly
A filter assembly for filtering water from an external source, the filter assembly including a manifold assembly mountable to an appliance and being in fluid communication with the external source and a cartridge assembly, the cartridge assembly being replaceably fl...
10/11/2005
1              
 
Sign InRegister
Username  
Password   
forgot password?