Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7413587 | Disposable filter for a fluid handling device and a method for using the same A fluid handling device having a support frame and a plurality of filter frames attached thereto. Each of the filter frames has an outer frame member that removably secures a filter; the filters being either a planar filter, pocket filter, or multiple pocket filter.... | 08/19/2008 |
| 7404904 | Method and apparatus to clean particulate matter from a toxic fluid There is a method of capturing, removing or collecting the particulate matter from a fluid containing a toxic liquid reaction and particulate matter produced from the reaction. The method includes partly or completely disposing a screen into the toxic fluid. Mixing ... | 07/29/2008 |
| 7281632 | Filter media surface modification for enhanced sealing and apparatus utilizing the same A novel surface treatment is provided for portions of filter media coming in contact with the filter media holder, such as a filter housing. In certain applications, the treatment is also applied to the filter media holder, depending on the application. Filter media... | 10/16/2007 |
| 7232517 | Passive freestanding portable liquid filtration device A freestanding portable liquid filtration device (18) having an upper housing (24), a lower housing (32) and a base (36) which are secured together with an interference fit, with an enclosed lower portion of the upper housing (24) ... | 06/19/2007 |
| 7228971 | Vibratory screening machine and vibratory screen and screen tensioning structure A vibratory screening machine having opposite sides with a plurality of stationary aligned tensioning members mounted on one side and a plurality of nut actuated movable tensioning members mounted on the opposite side and a vibratory screening screen mounted on the ... | 06/12/2007 |
| 7201843 | Framed storm drain insert sediment filter The new design has three primary features: (1) a rectangular collar having a centrally located circular cutout with sewn loops formed on the outer edges of the collar; (2) a filter bag having top edges attached to the rectangular collar along the periphery of the ci... | 04/10/2007 |
| 7143898 | End-of-line water filter An apparatus for removing debris and scale from a water line includes a first portion that is attached to a faucet or to an appliance conduit that is, in turn, attached to the faucet. A second portion is attached to an existing angle stop valve. A filter screen is d... | 12/05/2006 |
| 7128771 | Air filter retaining system A filter retaining system formed from multiple filter retaining frames is disclosed. Each of the frames is formed from either a female type extrusion or a combination of male and female type extrusions. Specifically, each frame has either a tongue or a groove which ... | 10/31/2006 |
| 7090772 | Filter bag assembly A filter bag assembly includes an outer bag having an open end, a closed end opposite the open end, and a longitudinal axis. The open end of the outer bag is sized and shaped for receiving liquid to be filtered. A filter member is loosely mounted in the outer bag an... | 08/15/2006 |
| 7090770 | Filter cloth and method for producing the same The invention relates to a filter cloth for a filter press and to a method for producing said filter cloth. The inventive filter cloth has a filtration section through which the filtrate reaches a filter element of the filter press, and an edging section which rests... | 08/15/2006 |
| 7073670 | High 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 |
| 7063783 | Strainer A conduit has a first end and interior and exterior surfaces extending downstream from the first end. A strainer has a first end and a second end. An upstream portion of the strainer is positioned engaging a projection on the interior surface of the conduit to resis... | 06/20/2006 |
| 7041217 | Filter rings A filter ring includes a first filter member including a first end portion and a second filter member including a second end portion. The filter ring also includes at least one snap latch mechanism for detachably engaging the first end portion with the second end po... | 05/09/2006 |
| 7036263 | Snag-free and stress-free fish catcher A snag-free and stress-free fish catcher includes a supporting frame, a fish pocket, having a fish cavity, supported by the supporting frame, and a tension resting bed, having a tension surface, supported within the fish cavity, wherein the tension surface of the te... | 05/02/2006 |
| 6955266 | Strainer A conduit has a first end and interior and exterior surfaces extending downstream from the first end. A strainer has a first end and a second end. An upstream portion of the strainer is positioned engaging a projection on the interior surface of the conduit to resis... | 10/18/2005 |
| 6929742 | Fine filter for a fuel feed unit In the case of a fine filter for a fuel feed unit of a motor vehicle, a filter element has at least two sections which surround the fuel feed unit concentrically. In the fitted state of the fine filter, the sections are fastened to the fuel feed unit and to a surge ... | 08/16/2005 |
| 6923909 | Disc filter housing and filter disc thereof A variable compression disc filter housing secures a circumferentially welded composite layer of filter disc material for filtering a small amount of liquid for determining the optimum filter media material for specific production applications. ... | 08/02/2005 |
| 6872466 | Method and apparatus for repairing screens A method of plugging an area of damaged mesh in a sifting screen. The method is applicable to screens in which woven wire mesh is stretched, tensioned and secured over a supporting frame containing a plurality of windows and in which local damage to the mesh is in a... | 03/29/2005 |
| 6872309 | Filter bag assembly A filter bag assembly includes an outer bag having an open end, a closed end opposite the open end, and a longitudinal axis. The open end of the outer bag is sized and shaped for receiving liquid to be filtered. A filter member is loosely mounted in the outer bag an... | 03/29/2005 |
| 6846408 | Filter 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 |
| 6843379 | Corrosion-resistant filter element The invention relates to a filter element with improved corrosion and heat resistance and structural properties to be used in filtering solids containing material in order to achieve a filter cake of solid material on at least one external surface area of the filter... | 01/18/2005 |
| 6827851 | Filter module The invention relates to a filter module (4) with a simplified design which allows for the manufacturing of a step filter, Each ply of filter medium is composed of a deep-bed filter material layer (1, 1a-d) and the packing is composed of drainin... | 12/07/2004 |
| 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 |
| 6783008 | Hollow fibre restraining system A restraining system for hollow fibres is provided. The restraining system includes a plurality of longitudinally extending elements spaced from one another and supported by a number of discrete spacer elements, each spacer element extending generally transverse of ... | 08/31/2004 |
| 6761271 | Rinse screen for a water bucket A wash bucket screen has a slanting platform supported on a frustum skirt. The platform has a plurality of holes interspersed between raised ridges on the platform running radially generally toward its perimeter as an aid in releasing water from a cloth squeezed aga... | 07/13/2004 |
| 6713190 | Reinforcement for a moulded filtering screen support frame A method is described for making a reinforcing wire frame for embedding in a moulded polymer support frame over which woven wire cloth is to be stretched and secured to form a sifting screen. The method involves locating lengths of cut wire substantially equally spa... | 03/30/2004 |
| 6675975 | Filtering screen and support frame therefor A filter screen having support frame including an outer peripheral flange surrounding a central region. Faces of the outer peripheral flange of the support frame to which the wirecloth is bonded by heating are formed with a plurality of closely spaced apa... | 01/13/2004 |
| 6652748 | Treated filter media and frame A filter medium and frame therefore wherein the filter medium is treated by a novel adhesive comprised of a major portion by weight of an oil group consisting of vegetable and animal oils and a minor portion of a preselected thickening material with the r... | 11/25/2003 |
| 6622871 | Plate-shaped filter holder for a sterilizing container The present invention involves a plate-shaped filter holder for use with a sterilizing container. The filter holder comprises a peripheral outer pressure rim, a central pressure region, a mounting device for fixing the filter holder on the sterilizing con... | 09/23/2003 |
| 6568540 | Low force closure filter with integral seal A filter (12) has a resiliently compressible thermally and chemically resistive combined unitary frame and gasket member (22) extending along its perimeter (18) and supporting a filter media element (16) and sealed to both the filter media element and the... | 05/27/2003 |
| 6517718 | Fluid filter for vehicle solenoid valve A fluid filter for a vehicle solenoid valve includes a male end piece, a female end piece, and a medial end piece therebetween. A first screen connects the male end piece to the central support piece and a second screen connects the female end piece to th... | 02/11/2003 |
| 6494325 | Toilet water-line filter A toilet water-line filter (10) that is designed to protect a toilet's fill valve (62) from the intrusion of potentially damaging debris such as rocks, vegetation, etc. The filter (10) is comprised of a housing (12) and an internal filter (34) which consi... | 12/17/2002 |
| 6471072 | Filter with pump retaining feature A fuel filter for use in a fuel filter/pump/sensor module and method of making same provides an in-tank fuel filter having a novel retaining member for securing the body of the filter in a position adjacent the housing of a fuel pump to which it is connec... | 10/29/2002 |
| 6443313 | Cooking oil or grease separator The invention is a kitchen utensil that aids in the removal of grease or oil from soups, sauces, etc. Specifically, the device is a ladle with an inverted funnel that when dipped into soup or sauce, it effectively removes the fat from the top of the soup ... | 09/03/2002 |
| 6368502 | Swimming pool cleaning tool A tool for cleaning debris from swimming pools includes a frame, a corresponding net, and retaining means for retaining the net on the frame. The preferred retaining means is an elongated strip of resilient, flexible material, having a generally U-shaped ... | 04/09/2002 |
| 6309552 | Slack filter tube having an internal resilient support extending there through A filter tube for use in earth coated type filters includes a flexible permeable tubular sheet internally supported by a helical spring. The internal spring is connected between opposite ends of the filter tube to support the full length of the tube wall.... | 10/30/2001 |
| 6306295 | Swimming pool float net A swimming pool float net is described which hangs onto the side or fence of a swimming pool. The float net can be multiplied in size with additional units. The float net can be folded when temporarily not in use or completely disassembled into a compact ... | 10/23/2001 |
| 6302277 | Swimming pool cleaning tool A tool for cleaning debris from swimming pools includes a flame, a corresponding net, and retaining means for retaining the net on the frame. The preferred retaining means is an elongated strip of resilient, flexible material, having a generally U-shaped ... | 10/16/2001 |
| 6217781 | Applications for slack filter tube with tensioning means Slack end filtering tubes with tensioning members are utilized in an improved bump type filter employing a split inlet with an outlet and tube sheet at the lower slack end and a movable anchor plate at the upper end that can apply an adjustable tension to... | 04/17/2001 |
| 6193885 | Pool cleaner debris bag A pool cleaner debris bag comprising a body having an upper end and a lower end, the lower end coupled to the pool cleaner to receive debris from the pool ejected by the cleaner into the bag, and a float positioned in the bag.... | 02/27/2001 |
