Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 8096423 | Replaceable fuel filter element and fuel filter assembly One embodiment is a unique replaceable filter element. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and drawings. ... | 01/17/2012 |
| 7997422 | Filter, in particular a fuel filter A filter has a housing with cylindrical wall having a first end face and a second end face. The housing has an end wall that closes of the first end face. A filter insert is arranged in the housing. A lid is attached to the cylindrical wall and closes off the second... | 08/16/2011 |
| 7997421 | Filtering apparatus and filter element A filtering apparatus includes a pot-type filter housing (10), a filter element (28) accommodated in the housing, a holding mechanism (38) disposed in the filter housing (10) to removably fix the filter element along its longitudinal axis... | 08/16/2011 |
| 7882961 | Replaceable fuel filter element and fuel filter assembly One embodiment is a unique replaceable filter element. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and drawings. ... | 02/08/2011 |
| 7845500 | Oil filter unit An oil filter unit for arrangement in the oil sump of an oil circuit, particularly in an automatic transmission. The oil filter unit has a multi-part filter housing with a filter chamber disposed therein such that an oil inlet and an oil outlet communicate with the ... | 12/07/2010 |
| 7604128 | Filter apparatus A filter apparatus including a housing (2) and a filter insert (4), with an inlet opening formed on the housing (2) and an outlet fitting (6) mounted on a housing wall. The outlet fitting (6) has a contact face (7) for conta... | 10/20/2009 |
| 7441665 | Water purification cartridge The water purification cartridge treats water with a halogen liberated from halogenated hydantoinyl resins and polymers, resulting in the safe, complete, and economical purification of non-potable water at low flow rates typically found in gravity feed filtration sy... | 10/28/2008 |
| 7413089 | Reusable cartridge oil filter A replacement filter for conventional throw-away spin-on oil filter cartridge on an internal combustion engine. The replacement filter uses a porous metallic filter element, preferably a woven stainless steel, pleated filter element, within a housing physically simu... | 08/19/2008 |
| 7410576 | Mobile filtration system and method A filtration system comprising a floor panel and a plurality of wall panels connected to each other to define a box, at least one filtering wall vertically inclined and supported inward of a corresponding wall panel such as to define a first free space therebetween,... | 08/12/2008 |
| 7404493 | Filter device including pleated filter incorporated in a housing The present invention provides a filter that can minimize the amount of residual liquid within the housing or container with a simplified construction. The article includes a cylinder portion having a cylindrical internal space with both ends open, a cylindrically f... | 07/29/2008 |
| 7389883 | Filter cartridge A filter cartridge which comprises a filter pack (3) formed by a flat filtering medium, a tubular sheath (2) with a perforated wall, surrounding the filtering pack, and two respective end caps (5) having a first disc (16) and a second dis... | 06/24/2008 |
| 7383809 | Fastening device and method for fastening a component part in an oil sump A fastening device and a method of fastening a component part in an oil pan are described. For easy and still secure mounting, the invention provides a fastening device that consists of a base part and, disposed thereon, of at least one holding part for establishing... | 06/10/2008 |
| 7380676 | Filtering device A filtering device (10) comprises a plurality of layers of paper (40). The paper (40) is formed with projections (120)) so that cavities (122) are located between adjacent layers of paper (40). A liquid being filtered passes... | 06/03/2008 |
| 7374929 | Device for microbiological examination of a sample of liquid under pressure This concerns a device whose filtering membrane (4) is gripped annularly at the periphery between an annular transverse wall (32) forming part of a drainage body and an axially oriented cylindrical wall (9) of an intake body, which lateral wall ... | 05/20/2008 |
| 7360658 | Extension and locking assembly for dripless element and container therefore A filter assembly includes housing enclosing a replaceable filter element. A support core is provided in the housing, and includes an extension and locking assembly. The element includes a ring of filtration media with a pair of end caps. The first end cap includes ... | 04/22/2008 |
| 7357866 | Filter module, installation kit for a filter module and a filter device The invention concerns a module for filtering media. More particularly, the invention concerns a module for filtering fluids and including one or more filter cells stacked on top of one another. The invention also relates to an installation set for the installation ... | 04/15/2008 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7303605 | Snap together filter A fluid filter is provided with a snap-together housing for the filter media. The housing is designed with two main parts that are easily snapped together to encapsulate the filter media. The filter housing is substantially cylindrical, and contains an inlet on one ... | 12/04/2007 |
| 7296689 | Filter cartridge for liquid media at risk for freezing, particularly for use in fuel cell operated vehicles and in internal combustion engines A filter cartridge for liquid media at risk for freezing employed in fuel cell operated vehicles and internal combustion engines has a housing and a filter lid connected to the housing for closing the housing. A filter insert is inserted into the housing and provide... | 11/20/2007 |
| 7276158 | Incision-based filtration/separation pipette tip This invention relates to a pipette tip designed to perform filtration or sample separation on the basis of one or more perforations, holes or incisions performed on the tip. Such perforation, holes or incisions are large enough to permit the passage of fluids or sm... | 10/02/2007 |
| 7270757 | High capacity gravity feed filter for filtering blood and blood products A high capacity gravity feed filter for filtering blood and blood products or the like includes a body having an inlet port, an outlet port, two filter wells, at least one filter element disposed in each of said filter wells, between the inlet port and outlet port s... | 09/18/2007 |
| 7261814 | Non-planar media transmission filter apparatus and method A filter for use in engines or transmissions is provided comprising an inlet-side cover having a wave-like region along the periphery of the inlet-side cover, an outlet-side cover having a wave-like region along the periphery of the outlet-side cover where the outle... | 08/28/2007 |
| 7258789 | Non-planar media transmission filter apparatus and method with tray A filter for use in engines or transmissions is provided comprising an outlet-side cover having a first wave-like region along the periphery of the outlet-side cover, a filter media tray having a second wave-like region along the periphery of the filter media tray w... | 08/21/2007 |
| 7255380 | Bottom-emptying device for tapered bailer A bailer has a tapered leading end to reduce agitation and turbidity as the bailer is introduced into a body of liquid fluid. A check valve is unseated and admits liquid fluid into the bailer as the bailer enters the liquid fluid. The check valve is seated and seals... | 08/14/2007 |
| 7247245 | Filtration cartridge and process for filtering a slurry A depth filter design is disclosed which has little if any open void area upstream of the media. Preferably, it also has little if any open void area downstream of the media as well. A preferred embodiment uses layers of stacked, fibrous media with several of the la... | 07/24/2007 |
| 7237682 | Filter 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 |
| 7217364 | Filtering device and a filtering device housing A filter device has a housing in the shape of a tubular section, with at least two chambers separated from one another by membranes, and with at least one connection for each flow chamber. The device has two filter caps, with one of each of the filter caps being loc... | 05/15/2007 |
| 7217361 | Filter with support columns A filter includes first and second axially spaced end caps having filter media extending axially between the end caps and extending in a closed-loop around a perimeter defining a hollow interior communicating with an axial flow opening through one of the end caps. O... | 05/15/2007 |
| 7217362 | Water filter The present invention relates to a water filter including an outer connector, an inner connector, a flow control sheet and a strainer. A flange extends from the periphery of the upper surface of the outer connector with at least two protrusions extending therefrom. ... | 05/15/2007 |
| 7208081 | Gutter foam filter The gutter foam filter elements are generally triangular, four-foot lengths of flexible plastic open-cell foam material placed in and extending the full length of a conventional âKâ type or similar roof gutter. The foam filter elements may be inserted within the... | 04/24/2007 |
| 7204370 | Extension and locking assembly for dripless element and container therefore A filter assembly includes housing enclosing a replaceable filter element. A support core is provided in the housing, and includes an extension and locking assembly. The element includes a ring of filtration media with a pair of end caps. The first end cap includes ... | 04/17/2007 |
| 7200969 | Down spout guard made from non-woven material A non-woven mesh guard which can be inserted into a downspout opening in a rain gutter in order to prevent debris from entering the downspout is provided. The non-woven mesh includes a large free area to allow for the flow of water therethrough while preventing debr... | 04/10/2007 |
| 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 |
| 7188732 | Method for manufacturing of a liquid cleaner and cleaner manufactured by said method The present invention relates to a method for the production of liquid cleaners, consisting of a cleaner housing with a cleaning chamber exhibiting an inner and an outer end, and a cleaning insert arranged inside the cleaning chamber. The cleaner housing is given a ... | 03/13/2007 |
| 7178675 | Drain water filter assembly A drain water filter assembly for filtering debris laden liquids. The filter assembly has an apertured filter holder constructed and arranged to be placed into a basin, tub or sink. A removable and disposable filter is provided for placement within and securement to... | 02/20/2007 |
| 7172727 | Apparatus for blood oxygenation An apparatus and method for blood oxygenation are provided. The apparatus includes a chamber having a first inlet to receive a fluid, e.g., physiologic saline; a second inlet to receive a gas, e.g., oxygen, from a gas supply; and an outlet coupled to a capillary ass... | 02/06/2007 |
| 7168573 | Environmentally friendly filter cartridge A filter cartridge which is environmentally friendly in that it is made up of components which are all incinerateable. The ends of a filter element are sealed using potting compound and plastic endcaps. The upper endcap, which is closed, has a pressure relief apertu... | 01/30/2007 |
| 7153425 | Process and filter for filtering a slurry The present invention comprises a process for filtering a slurry and a filter cartridge construction for filtering a slurry having a filtration medium formed of a depth filter such as a cylindrical seamless fibrous depth filter comprising a nonwoven fibrous mass, wo... | 12/26/2006 |
| 7135052 | Cassette filter A cartridge filter includes a folded package including filter material and a frame holding the folded package. The frame includes a plurality of profiled strips having identical profiles, and each having two ends. The frame also includes a plurality of corner joints... | 11/14/2006 |
| 7128218 | Metal oil pan with an integrated oil filter The invention relates to a metal oil pan for engines or transmissions, with an oil filter medium arranged therein, wherein part of the oil pan forms the bottom of an oil filter housing and a plastic half-shell forms a cover of the oil filter housing, and the oil fil... | 10/31/2006 |
