Class 210/250 - Leg

Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus in which the filter assembly is supported by means
No. of patents: 37
Last issue date: 01/20/2009

Number	Title	Issue Date
7479225	Waste material containment apparatus and disposal process A waste cement collection apparatus utilizing a porous disposable bulk bag for collecting waste cement removed as a result of wash-out of the discharge chute of a cement mixer truck after a cement delivery, the apparatus further having a method for filtering, collec...	01/20/2009
7243721	Methods and apparatus for heating oil production reservoirs Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formations as a gas blocking mechanism for increasing and extending the prod...	07/17/2007
7232524	Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formations as a gas blocking mechanism for increasing and extending the prod...	06/19/2007
7195707	Apparatus for determining weight and biomass composition of a trickling filter In one embodiment, a filter media tower assembly is provided comprising a first portion and a second portion, wherein the first portion is suspended within the second portion. The first portion is a removable media tower or cage for holding filter media, whereas the...	03/27/2007
7182868	Device for filtering fluid substances, used for a meat materials injecting machine An apparatus for filtering fluid substances is used with a machine for injecting meat products. The device comprises a container (4) comprising filter units (3a, 3b) communicated independently with a suction outlet (6) throu...	02/27/2007
7156982	Apparatus for determining weight and biomass composition of a trickling filter In one embodiment, a filter media tower assembly is provided comprising a first portion and a second portion, wherein the first portion is suspended within the second portion. The first portion is a removable media tower or cage for holding filter media, whereas the...	01/02/2007
7112278	Fuel filter having double layer structure Fuel passes through a fuel filter from the outer layer of the fuel filter toward the inner layer of the fuel filter. Large debris is arrested in the outer layer made of nonwoven fabric, and small debris is arrested in the inner layer made of filter paper, so that pl...	09/26/2006
7067055	Trickling alter tank with top side load cell assembly In one embodiment, a filter media tower assembly is provided comprising a first portion and a second portion, wherein the first portion is suspended within the second portion. The first portion is a removable media tower or cage for holding filter media, whereas the...	06/27/2006
6998038	Stormwater treatment system A system for removing material from a flowing liquid, where the system includes one or more cartridges, where each cartridge has an outer permeable wall and an inner permeable wall that form a media region between the walls, where a media is disposed within at least...	02/14/2006
6991721	Water filter and pump A water filtration and pumping apparatus typically for use with swimming pools includes a pump casing having mounted therein an electric motor driving an impeller within an impeller housing. The impeller housing has a water inlet. A filter casing mounted directly at...	01/31/2006
6949198	Strainer for a water hose An apparatus, a system and a method for obtaining sieved water, for fighting fires, from a source of water having foreign objects are disclosed. A strainer is connected to a tank via a hose such that water may be pumped from the strainer to the tank. The strainer in...	09/27/2005
6926821	Water treatment device with volumetric and time monitoring features A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exposed to the...	08/09/2005
6783674	Non-skid strainer A strainer for straining food is disclosed wherein. The strainer includes a clamping device for clamping the strainer to a center partition of a sink. ...	08/31/2004
6730219	Filter for liquid products The filter has a framework with an inlet end, a solids outlet end and an outlet for a separated product between the ends. A fabric filter extends in the framework from end to end and is supported by movable rings, resilient members and dampers enabling axial extensi...	05/04/2004
6572765	Filtering system for swimming pool A filtering system for swimming pools includes a cylindrical filter housing in which a filter bag is supported in a perforated liner. A skimmer housing is mounted on the cylindrical housing and skims water off of the surface of the pool, which communicate...	06/03/2003
6475378	Cartridge filter A cartridge filter includes a cartridge filter including an upper annular groove in an outer periphery thereof a top cover mounted to seal an open upper end of the cartridge filter, and a C-shape upper bracket mounted in the upper annular groove of the ca...	11/05/2002
6372132	Purifier for filtering and purifying a fluid A purifier for filtering and purifying a fluid, such as water, comprises a pressure vessel for holding a purifying element for filtering and purifying the fluid, the pressure vessel having inlet and outlet members for introducing the fluid into the pressu...	04/16/2002
6258332	Apparatus and method for collecting and recycling a petroleum by-product The present invention provides for an apparatus and method for collecting and recycling a petroleum by-product such as hydrocarbon residue from crude oil. The apparatus comprises a container having a top, bottom, and sides, an internal heating element, an...	07/10/2001
5662792	Water purifier having reinforcement preventing deformation of a tank-supporting wall A water purifier includes a body forming a horizontal support surface and a wall projecting upwardly from the support surface. A plurality of filtering members for purifying water are connected to the wall. A water storage tank for storing purified water ...	09/02/1997
5569377	Spray painting equipment Spray paint equipment combining a paint gun and stand. The stand serves to adjustably support a primary paint supply; filters for filtering paint; a gravity feed tank for the spray gun and the spray gun when it is not in use. To this end the stand is form...	10/29/1996
5378354	Article/liquid separator An apparatus for recovering liquid from liquid contaminated small articles of manufacture has a housing which defines upper and lower chambers separated by an inclined perforated plate. A vacuum producer withdraws air from the housing causing liquid conta...	01/03/1995
5242588	Filter unit assembly Filter unit assembly located at an operator-designated position is provided for enabling fluid flow through a removable mesh filter and ready disconnectibility from a vacuum line with the avoidance of liquid spillage from the filter unit assembly. The fil...	09/07/1993
5167806	Gas dissolving and releasing liquid treatment system An improved gas dissolving and releasing liquid treatment system involving the use of multi-stages gas dissolving pressure vessel and the use of a pressurized water release assembly and an open vessel is described. The gas dissolving and releasing liquid ...	12/01/1992
5151179	Faucet connected water filter A faucet mounted water filtration unit having two tubular hollow legs depending from a base member with a coupler for attaching the unit to a faucet spout, with the spout straddled by the legs and the unit positioned about the faucet. One leg brings unfil...	09/29/1992
5135666	Marine oil spill clean-up method using a motion compensator means An improvement in efficiency of marine type oil spill clean up is achieved by using slideable fastners and support legs extending from a floatable unit to hold a skimmer unit in a relatively fixed horizontal position while using retractable cables with a ...	08/04/1992
5059319	Paint can strainer cover The present invention is directed toward a device used to strain paint and other liquid products. The device includes a piece of mesh material fixed at its perimeter in a ring. The material and cross-sectional shape of the ring is designed to permit compr...	10/22/1991
5049271	Fuel tank filter A fuel tank filter connectible to a fuel pump mounted inside of a fuel tank is disclosed. The filter includes filtration material forming an envelope, a separator inside the envelope and a spring attached to the separator in a manner such that the spring ...	09/17/1991
4936984	Consumer water filtering apparatus A water-filtering apparatus comprising two substantially identical containers each with a water-dispensing valve on the side near the bottom, and a hole in the top. A filter is rested in the hole of the first of the containers. The second container is fil...	06/26/1990
4863596	Cell alignment frame assembly A special, easy to use, economical frame is provided to quickly and efficiently align water purification cells in a vertical stack. The dependable, effective frame has moveable side and back posts and convenient crank or slide rod adjustments....	09/05/1989
4804470	Paint strainer An improved paint strainer for use in straining a liquid paint and depositing the same within a reservoir container has an upwardly extending continuous closed wall surface having means for attachment to the paint reservoir on its lower end and a strainer...	02/14/1989
4626349	Device for separating solids from liquids A device for separating solids from liquids by means of a screen that inclines at an angle to the horizontal and is accommodated in a prescribed position within a screen housing. There is a product-delivery component with a feed pipe at the higher end of ...	12/02/1986
4560473	Macerator-decanter A specially shaped vessel containing a mixture of solid matter and liquid in which fresh liquid and fresh solid matter are introduced at one end and the processed liquid and solid matter are extracted at the other end. When such a vessel stands, both ends...	12/24/1985
4347133	Electromagnetic ground water conditioning system and sampling device for waste water and fermentation makeup water An electromagnetic ground water conditioning system and sampling device comprising a holding tank, a pump, filters and timers to regulate the time and duration of blowout of settled solids at the bottom of the tank. The electromagnetic water conditioning ...	08/31/1982
4312753	Intank fuel filter An intank fuel filter of flexible woven plastic cloth having spacer means comprising protuberances secured to at least one of the flexible walls and projecting toward the opposite wall to hold the walls against collapse blocking fuelflow. The protuberance...	01/26/1982
4152264	Lake pump suction mechanism A suction mechanism submerged underwater in a lake, the suction mechanism being designed to eliminate sand and mud from entering a foot valve connected to hoses for pumping water out of lake for use; the suction mechanism including the foot valve being at...	05/01/1979
4025435	Paint filtering apparatus Paint filtering apparatus for supporting a filter medium, such as foraminous cloth or the like, above a paint pail. The apparatus includes an impervious plate larger than the mouth of the paint pail and legs for supporting the plate above a surface on whi...	05/24/1977
3965008	Portable water sterilization device A light weight portable device for sterilizing harmful bacteria containing water by the use of commercial alternating electric current. The components of the device are removably connected to one another, and may be separated and stored in a compact arran...	06/22/1976

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Class 210/250 - Leg