Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 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 |
| 7396461 | Filter cartridge for gravity-fed water treatment device A filter cartridge for use in gravity-fed water treatment systems wherein filter elements include a dome-shaped hydrophilic porous particulate carbon powder block filter in a polymeric binder. The filter has a closed upper end and an open lower end with sidewalls ex... | 07/08/2008 |
| 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 |
| 7361214 | Disposable cartridge for air/gas dryer A disposable dryer cartridge for an air/gas dryer apparatus for installation in an air/gas line delivering compressed air or gas to an air/gas-driven tool. The cartridge includes a flexible elongated casing having a drying composition therein. The casing has an air/... | 04/22/2008 |
| 7335299 | Dual filter A dual filter apparatus and a process of making a dual filter apparatus that minimizes disruption to the normal flow pattern through the filter apparatus by forming a porous medium suitable to carry a fluid activator and placing an activator proximate the porous fil... | 02/26/2008 |
| 7332013 | Compressed air/gas-driven tool with integrated dryness indicator An air/gas-driven tool with an integrated air/gas dryness indicator. The tool includes a housing that defines a cavity. An air/gas dryness detector is disposed in the cavity. An air/gas flow passage is situated to provide a stream of compressed air/gas to the drynes... | 02/19/2008 |
| 7320725 | Disposable cartridge air/gas dryer A disposable cartridge air/gas dryer apparatus for installation in an air/gas line delivering compressed air or gas to an air/gas-driven tool. The dryer includes a pressure vessel having first and second ends, an inlet port, and an outlet port. A disposable dryer ca... | 01/22/2008 |
| 7314066 | Air distributor for a bioleaching system An air distributor for use in heap or dump leaching systems is disclosed. The air distributor includes an air pipe having a series of holes for releasing air from the pipe and one or more protective members spaced outwardly of the air holes to shield the air holes. | 01/01/2008 |
| 7314553 | Pool filter cleaning device A pool filter cleaning device comprising a containment chamber having a upper end, a lower end, and a circumferential sidewall. The sidewall has a water deflecting portion adjacent the upper end and the containment chamber is adapted to receive a dirty pool filter. ... | 01/01/2008 |
| 7306727 | Disposable tangential flow filtration device holder Tangential flow filtration device is provided wherein liners are provided between the filtration element and the top and bottom holders or manifolds. The liners incorporate the flow channels and inlet and outlet ports that were previously present in the manifolds. T... | 12/11/2007 |
| 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 |
| 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 |
| 7229560 | Sack-based processes for recovering oil floating on water One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have their lo... | 06/12/2007 |
| 7216767 | Screen basket and shale shakers A screen mounting basket for a vibratory separator for separating components of material introduced into the basket, the vibratory separator including a collection receptacle beneath the basket, the basket including two opposed spaced-apart side walls having first e... | 05/15/2007 |
| 7210584 | Filter device, in particular for high-pressure applications in a molten polymer filtration A filter device, in particular, for high-pressure applications in a molten polymer filtration, has a screw-in piece (10), provided with a first threaded section (12) for fixing the filter device, and a second threaded section (14) for fixing a f... | 05/01/2007 |
| 7207747 | Drainage system for sand bunker Rain water is drained from a golf course sand bunker or like structure by a drainage system which comprises a conduit having a solid top and perforations in the sidewall. A conduit which is a chamber having an arch shape cross section is contained within a sand fill... | 04/24/2007 |
| 7186344 | Membrane based fluid treatment systems A process for removing soluble and insoluble inorganic, organic, and microbiological contaminants from a fluid stream employing a pretreatment module, a post-treatment module, a recycle stream module or any combination thereof, and a membrane module, is provided. Th... | 03/06/2007 |
| 7182865 | Device for separating whole blood under gravitational force Method for separating whole blood into a leukocyte-depleted erythrocyte concentrate and thrombocyte-containing plasma, in which method whole blood is separated in a first step into an erythrocyte concentrate and plasma in a plasma filter and is then separated into a... | 02/27/2007 |
| 7168574 | Dual filter A dual filter apparatus and a process of making a dual filter apparatus that minimizes disruption to the normal flow pattern through the filter apparatus by forming a porous medium suitable to carry a fluid activator and placing an activator proximate the porous fil... | 01/30/2007 |
| 7163620 | Retro filter bag Systems and methods to filter water. A filtration device for a floodable compartment having a water inlet and a water outlet can include a removable filter for being positioned at or near the water outlet of the compartment, a strainer having a first end and a secon... | 01/16/2007 |
| 7163625 | Filtration device The present invention provides a filtration device. The invention employs filter media wrapped into spirals about an apertured core. Fluid may flow radially inward or radially outward during filtration. Embodiments using multiple filter media and embodiments achievi... | 01/16/2007 |
| 7160445 | Decorative pond system An improved outdoor aquatic pond having a installation template, a pond liner, a plenum unit chamber, a pump, a canister filter, and at least one artificial rock for connection with the rim of said pond. This invention provides for increased ease of installation as ... | 01/09/2007 |
| 7153420 | Water purification by polymer colloids A colloid comprises a sulfone polymer. The colloid may be used as a replacement for activated carbon or charcoal in water purification systems. Unlike activated carbon, the colloid is advantageously regenerated chemically and reused. ... | 12/26/2006 |
| 7153424 | Apparatus for purifying water An apparatus for purifying water, that includes a frame, in connection with which is arranged a primary space for water to be filtered, secondary space for filtered water and a filter. The filter is arranged to filter water, that is driven by gravity from the primar... | 12/26/2006 |
| 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 |
| 7147773 | Refrigerator with treated water A refrigerator with a water treatment system including a head connecting a water supply to a water-using accessory. An end piece is provided for connecting a treatment cartridge to the head. The end piece comprises an inlet fitting having a cam that contacts a follo... | 12/12/2006 |
| 7128772 | Filter assembly, process for producing the filter assembly and filter body having the filter assembly A filter assembly through which a fluid can flow and a method for the production thereof are provided. The filter assembly includes at least one covering layer made of an at least partially porous material with at least one boundary region and includes at least one ... | 10/31/2006 |
| 7125490 | Porous filter A filter has a longitudinal axis with an inner diameter defined by a hollow longitudinally extending center. The filter has fingers extend radially outwardly arcuately from the longitudinal axis. The fingers have base ends near the longitudinal axis and outer edges ... | 10/24/2006 |
| 7112275 | Water tank filter and purifier A water tank filter having a double structure including an inner filter having a small pore size for trapping fine particles of filth from tank water and situated within a hollow outer filter having a large pore size for trapping coarse particles of filth. The inner... | 09/26/2006 |
| 7097693 | Combination depth and phase separation membrane filter A combination depth and phase separation membrane filter to remove entrained liquids and immiscible liquids from hydrocarbon liquids, protecting industrial analyzers from liquid and solid contamination, etc. The preferred embodiment of the present invention contempl... | 08/29/2006 |
| 7094338 | Method of making and using a filter in the form of a block of agglomerated copolymer fragments One of the exemplary filter systems described includes a bracket and a filter module that can be suspended from the bracket by a plurality of flexible supports. The bracket can support the filter system beneath the grate of a storm drain without the need for the fil... | 08/22/2006 |
| 7094344 | Filter device The present invention relates to a filter device for removing impurities contained in liquid. A filter housing 18 is provided with a container for accommodating a filter bag 2 therein, a deposit recovery tank 3 for recovering a deposit and a flo... | 08/22/2006 |
| 7090769 | Vacuum for spas and method of use An improved spa vacuum for removing debris from the bottom of a spa or hot tub includes a removable lower assembly which includes a filter assembly. The filter assembly includes a filter housing having three stacked filter elements. The spa vacuum also has a removab... | 08/15/2006 |
| 7080828 | Clarification basin membrane A clarification basin membrane made of a polymeric, in particular, elastomeric material, which is rendered gas-permeable by a perforation, whereby a permanent gas permeability is effected by mixing a wast water biologically active inhibitor with the polymeric materi... | 07/25/2006 |
| 7077272 | Antibacterial member, method of preparing the same, antibacterial filter and antibacterial container An antibacterial member is constituted such that a propolis component is contained in, or adhered to, a water-insoluble base member. This antibacterial member is mixed into a filter member to be disposed in a flow passage in an antibacterial filter. Water in the ant... | 07/18/2006 |
| 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 |
| 7074326 | Curb-and-grate inlet filter A curb-and-grate inlet filter is provided for temporarily covering, during nearby construction activities, the curb-and-grate inlet of a storm drainage system so as to filter from storm water runoff silt and debris attendant such construction. The curb-and-grate inl... | 07/11/2006 |
| 7066338 | Filter element with anti-tracking ribs An injection moulding assembly (10) comprising a male moulding member (11) surrounded by a female moulding member (12) forming a void (13) between them that upon injection of molten plastics into the mould a container can be formed. The m... | 06/27/2006 |
| 7067056 | Water filter with integrated treatment media For use in a pool or spa, the combination comprising, filter structure in the path of pool or spa water flow, substance in direct contact with a surface or surfaces of said filter structure, to contact said flow, said substance characterized as being one of the foll... | 06/27/2006 |
| 7060181 | Dual density filter cartridge The invention relates to aquarium filters providing improved water filtration without accelerated clogging. The present invention also relates to methods of using such filters. ... | 06/13/2006 |
