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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7381323 | Filtration apparatus A filtration apparatus is provided which is easy to maintain, manage and which enables preservation of filtration characteristics due to the fact that filtration is carried out by use of a gelatinous filter apparatus. In the filtration apparatus, filtration characte... | 06/03/2008 |
| 7347933 | Self-cleaning intake screen A self-cleaning screen that automatically cleans both the inside and outside surfaces of the cylindrical screen using only the rotation of the cylindrical screen itself. This self-cleaning ability is accomplished by using a fixed brush on the exterior surface of the... | 03/25/2008 |
| 7294274 | Filtration system with enhanced cleaning and dynamic fluid separation A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and sonic energy may be used to clean associated filter media to allow substantially continuous filtration of proc... | 11/13/2007 |
| 7258238 | Debris filter with a rotating debris extractor A filter for filtering solid particles from liquids, especially for use in steam condensers and heat exchanger in thermal and nuclear power plants, said filter comprising a housing (4), a screen basket (2) located within said housing (4), a debr... | 08/21/2007 |
| 7243512 | Filter assembly of washing machine A filter assembly for a washing machine is provided which uses a simple structure to separate dirt and/or particles from washing water using. The filter assembly includes a filter case with an inlet and an outlet each positioned along its circumference, and an openi... | 07/17/2007 |
| 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 |
| 7183012 | Structure having pores, magnetic recording medium, and method of manufacturing same The invention provides a magnetic recording medium and a method of manufacturing the magnetic recording medium, in which a high density and good storage stability can be achieved by giving anisotropy in shape to a magnetic substance. A plan shape of the magnetic sub... | 02/27/2007 |
| 7146992 | Dishwasher pump and filtration system A dishwasher includes a pump assembly which functions to chop all fluid entrained soil prior to directing fluid to upper and lower wash anms. A flow conduit leading to the upper wash arm is provided with a sampling port which directs a percentage of the fluid flow i... | 12/12/2006 |
| 7141167 | Filter device A filter device for filtering liquids including a filter membrane, a main body which is arranged upstream from the filter membrane, and which has a feed channel perpendicular to the surface of the filter membrane, a gap extending between the filter membrane and the ... | 11/28/2006 |
| 7101485 | Liquid process and continuous filtering device using high power density ultrasounds The present invention relates to a continuous filtration device in a liquid path, characterized in that it comprises, in combination: a modular ultrasonic treatment unit (12) which is in the form of a tubular metal body (... | 09/05/2006 |
| 7101475 | Autonomously navigating solar swimming pool skimmer An autonomously navigating solar swimming pool skimmer employing a forward impeller, navigation being improved by the use of forward mounted powered horizontal bumper wheels as deflectors, combined with occasional reversals of paddlewheels and bumper wheels to clear... | 09/05/2006 |
| 7097046 | Automatically cleaning filter assembly for a liquid-carrying loop A filter assembly for an aquarium has a self-cleaning filter. A fine mesh filter screen is disposed between an inlet and an outlet for filtering solid matter from the water that is pumped from the aquarium, through the filter, and back to the aquarium. When the filt... | 08/29/2006 |
| 7094343 | Filter device The invention relates to a filter device (10) for filtering a liquid, in particular a hydraulic oil, having a substantially cylindrical filter housing (12), which accommodates a filter element (30) and can be closed off by means of a cover (1... | 08/22/2006 |
| 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 |
| 7017476 | Canned food draining tool The present invention provides a hinged canned food draining tool that includes first and second arms, and a presser equipped with a magnet for facilitating draining of liquid from canned food via a separated lid of the can. The tool is preferably hinged at ends of ... | 03/28/2006 |
| 7005067 | Disc-type filtration apparatus including discharge collector internal to pressure vessel and method filtration A positive pressure disc-type filtration apparatus including a collection trough internal to the cylindrical pressure vessel housing the filter discs. The collection trough is entirely disposed within the cylinder of the pressure vessel and configured and located to... | 02/28/2006 |
| 6977040 | Integrated filter housing with associated cleaning system and method A multiround filter housing apparatus, cleaning system and method are provided. A filter housing having an integrated base that includes an integral cartridge plate, a plurality of cartridge filter bores, an inlet manifold and an outlet manifold is presented. The up... | 12/20/2005 |
| 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 |
| 6953524 | Screen assembly for combined sewer overflow weir A screen assembly in which the screen (10) is in the form of an inverted semi-circular trough the foul flow (A) to be screened approaching the underside of the screen so that debris which is filtered falls away from the screen by gravity so minimising blockag... | 10/11/2005 |
| 6890443 | Spin filter system A spin filter apparatus for cleaning an influent stream is provided and includes a housing having at least one inlet port for receiving the influent stream, at least one waste port for discharging waste and at least one output port for discharging a processed clean ... | 05/10/2005 |
| 6871744 | Apparatus for electrodewatering A solid-liquid mixture is electro-dewatered by apparatus having a conveyor belt for receiving an electric charge and having the mixture deposited thereon and an element above the conveyor belt receiving an opposite electric charge with the conveyor belt an element c... | 03/29/2005 |
| 6872310 | Precoated filter for the filtration of flowing media In a particularly noise-free and vibration-free operating precoated filter for filtering for example cooling lubricating flowing media, a filter candle surrounding a riser channel is mounted by means of a riser tube in a separating plate in an axially moveable manne... | 03/29/2005 |
| 6869524 | Scraper arm for rake screen A screen system used in fluid channels has a scraper for removing debris from bars in a bar screenfield. The scraper is mounted to a top of a screen system. The scraper is lifted by a rake while simultaneously removing debris from the rake. Once the rake clears the ... | 03/22/2005 |
| 6855250 | Filter system employing microwave regeneration A filtration system (10) operable at elevated temperatures and regenerateable in situ employing microwave energy (99). In one embodiment, the system includes multiple channels (35) with means for selectively placing individual ones of the channe... | 02/15/2005 |
| 6833069 | Magnetic filter A magnetic filter removes magnetic particles from fluid communicated through the filter. The filter includes elongated, circumferentially spaced magnetic elements which capture magnetic particles entrained in the turbulent passing fluid. The magnetic elements must b... | 12/21/2004 |
| 6797158 | Method and apparatus for acoustically driven media filtration A method and apparatus for acoustically enhanced particle separation uses a chamber through which flows a fluid containing particles to be separated. A porous medium is disposed within the chamber. A transducer mounted on one wall of the chamber is powered to impose... | 09/28/2004 |
| 6761822 | Dual filter with flow mixer and centrifugal separator A filter for filtering a fluid, such as lubricating oil for an engine, has a first element for trapping small particles and a second filter element for trapping sludge, the second filter element being stacked on the first filter element. A flow-deflecting element is... | 07/13/2004 |
| 6672462 | Method and apparatus for removing particulate contaminants from commercial laundry waste water A filtration apparatus includes a filter element disposed at a 45 degree angle defining an upper chamber for solids and a lower chamber for liquid. A trough is disposed at the lower end of the filter element. The floor of the trough funnels toward a centr... | 01/06/2004 |
| 6655531 | Pressure filtration device An assembly for separating solid phase material from a slurry that comprises a pressurized filtration unit including a vessel and filter media. A slurry is fed to the filtration unit where it is separated into a solid phase material and a liquid phase mat... | 12/02/2003 |
| 6638425 | Magnetic filter A magnetic filter removes magnetic particles from fluid communicated through the filter. The filter includes elongated, circumferentially spaced magnetic elements which capture magnetic particles entrained in the fluid. The magnetic elements must be clean... | 10/28/2003 |
| 6637601 | Fluted static stack agitator An agitator assembly for use within a sieve during automotive painting and cleaning operations has flutes consisting of circular conical discs aligned within the sieve by means of a magnetized cylinder extending through the flute or by means of a collar a... | 10/28/2003 |
| 6634372 | High efficiency cleaning of rotating filter media In an apparatus containing rotating filter media that removes solids from a fluid stream, the invention provides devices and methods for improved cleaning of the filter media. Solids trapped on the filter media are removed by the application of a pressuri... | 10/21/2003 |
| 6613238 | Fixed media filter screen, screen protector, and CSO screen The present invention is a device and method for clearing debris from fluid channels. In one embodiment, the device has a fixed screening member that is permeable in part wherein debris will collect. A movable scraper then scrapes along the screen and rem... | 09/02/2003 |
| 6582665 | Universal collection and transfer system A universal collection and transfer system which includes a collection container, a second container, and a transfer device mateable with both the collection container and the second container and including a hollow shaft which pierces the collection cont... | 06/24/2003 |
| 6572763 | Wastewater screening, washing and dewatering system The present invention is a screening/washing/dewatering system which utilizes a solids handling pump to vacuum solids captured from a contaminated fluid stream from the system's screening mechanism and to convey them, in a concentrated form and through a ... | 06/03/2003 |
| 6536601 | Sludge silo The invention relates to a silo for sludge, especially sewage sludge, comprising a sludge-receiving part (12), a feeding part (16), said feeding part being located above the sludge-receiving part (12) and communicating with said sludge-receiving part (12)... | 03/25/2003 |
| 6511596 | Apparatus for cleaning liquids The invention relates to an apparatus comprising a drum drivable in rotation having a conical jacket wall which is mounted on a fixedly arranged core; supply means for carrying the contaminated liquid into the interior of the drum; discharge means for dis... | 01/28/2003 |
| 6503401 | Effluent purifying system An automatic system and process for effectively, reliably and economically reconditioning for direct reuse various waste water, and particularly that in the poultry and other food processing industries, without the use of added chemicals and filter-aid co... | 01/07/2003 |
| 6478955 | Membrane magnetic separating apparatus Water to be treated is passed through a membrane (net), magnetic floc positioned in a portion below a level of the water to be treated is deposited to a surface of the membrane, and the surface of the membrane with the magnetic floc deposited is moved to ... | 11/12/2002 |
| 6475397 | Method and means for filter back flushing A back-flushing method is practiced with a back-flushing filter construction wherein a perforate filter screen providing filter openings also forms an internal chamber for receiving the effluent from a liquid stream. A filter piston is disposed in the int... | 11/05/2002 |
