Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7235272 | Drip bag A drip bag is devised so that the good taste of coffee made by a conventional paper drip system can be obtained using a simple construction, and so that the drip bag can be set easily and securely on the cup even in cases where the thickness of the walls of the open... | 06/26/2007 |
| 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 |
| 7163665 | Apparatus for decomposing gaseous aliphatic hydrocarbon halide compounds A method for decomposing a gaseous aliphatic hydrocarbon halide compound more simply is provided. The method includes the steps of mixing the gaseous aliphatic hydrocarbon halide compound and a chlorine gas-containing gas and emitting light to a mixture gas of the g... | 01/16/2007 |
| 7011755 | Disposable vacuum filtration funnel with integral prefilter A filtration funnel with integral prefilter usable for filtering fluids. The integral prefilter is disposed above the final filter which is sealed to the funnel. The prefilter may contain one or more layers of prefilter material, and is sealed to the funnel with one... | 03/14/2006 |
| 6886698 | Apparatus for removing pyrophoric catalyst Spent pyrophoric reaction catalyst from a reaction mixture is removed safely, cheaply, and rapidly using a single plate pressure filter. After hydrogenation, the reaction mixture is decanted, the desired hydrogenation product is removed, and catalyst-rich material w... | 05/03/2005 |
| 6770203 | Filtering unit having separately attachable filter cassette, filter cassette, and method of filtering A filtering unit including an upper container for receiving fluid to be filtered, a lower container for receiving the fluid from the upper container and an intermediate filter cassette. The filter cassette includes a support member connected with a flat filter membe... | 08/03/2004 |
| 6458278 | Filtering unit having separately attachable filter cassette, filter cassette, and method of filtering A filtering unit including an upper container for receiving fluid to be filtered, a lower container for receiving the fluid from the upper container and an intermediate filter cassette. The filter cassette includes a support member connected with a flat f... | 10/01/2002 |
| 5902481 | Strainer for draining liquid-packed canned goods A strainer device for assisting in draining packing liquid from opened tuna fish cans, as well as from opened cans of produce such as vegetables, fruit, and beans, the device including a molded plastic short hollow cylinder open at the top end and closed ... | 05/11/1999 |
| 5888392 | Filter position retention ring The present invention relates to filters for coffee, tea, hot chocolate etc., in which a filter is placed in a cylindrical container and whatever is to be filtered is placed in the filter that has been placed in the cylindrical container. Thereafter, eith... | 03/30/1999 |
| 5772713 | Adjustable filter assembly An adjustable filter assembly for a variety of filtration applications. The adjustable filter assembly includes a fixed-size filter medium and frame and an adjustable molding for adjustably applying said filter assembly in applications having widely varyi... | 06/30/1998 |
| 5709794 | Low-cost portable water filter A low-cost portable water treatment device having a low-cost replaceable filter. The device includes a housing having an inlet, an outlet and a water filtration chamber. The replaceable filter is disposed in the water filtration chamber and comprises a di... | 01/20/1998 |
| 5292437 | Multilayer frustoconical filter structure A reusable multilayer filter for use with a beverage brewing apparatus. The multilayer filter includes a foraminous support player, a porous mesh layer and a multiplicity of wrinkles formed in the porous mesh layer. The foraminous support layer has a mult... | 03/08/1994 |
| 5252211 | Coffee filter support assembly A support assembly for coffee filters comprises an annular or ring-like member adapted to nest inside the coffee filter basket of an automatic "drip" style coffee machine with the ring member being adapted to fit concentrically inside the circumference of... | 10/12/1993 |
| 5076924 | Filter plate A filter plate (1) is described on which a filter cloth (4) is disposed across the whole top side and glued or welded to the outer sides, and which is used for filtering off particles from a liquid. The plate has a large number of apertures (2), each indi... | 12/31/1991 |
| 4981588 | Filter for making coffee drinks that includes supporting members A filter for making filtered drinks, such as coffee, includes a filter bag and supporting members connected to the filter bag for supporting the filter on the rim of a vessel, such as a cup. The supporting members are adapted to be moved from a flat folde... | 01/01/1991 |
| 4859337 | Filter for making portions of coffee or tea The invention relates to A filter for making portions of coffee or tea, comprising a substantially cup-shaped supporting vessel having a pouring-in opening at the top, a chamber for filling with liquid and having an outlet opening at the bottom, and a fil... | 08/22/1989 |
| 4623457 | Water purifier Described is a water purifier comprising a collecting container (1) with pouring spout (2) and handle (3), a funnel and a cover (5) which can close the funnel, wherein provided at the bottom of the funnel is an opening for receiving a filter cartridge con... | 11/18/1986 |
| 4519911 | Paper extractor A paper extractor including a support member in the form of a collar of a small wall-thickness having at its lower end two support legs facing each other, a filter attached to an inner surface of the support member, and coffee packs each including coffee ... | 05/28/1985 |
| 4358377 | Shear-vectoring design for composite casing end and removable, pressure-locking closure therefor An improved combination of an open-ended casing section and a removable closure inset therein is disclosed. The casing section is of composite structure and comprises an annular bulge of bowed fiber sections which, together with underlying annular resin b... | 11/09/1982 |
| 4253959 | Liquid filter vessel A liquid filter vessel used for the filtering of liquid in a permanent installation provides for a simplified method of replacing the filter bag and includes a removable cover which displaces a relatively large volume of liquid. Removal of the cover from ... | 03/03/1981 |
