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| Number | Title | Issue Date |
| 7652265 | Air treatment system An air treatment system includes a housing defining a chamber, and an ultraviolet lamp positioned within the chamber. The housing further defines an air inlet at a first end portion of the housing and an air outlet at a second end portion of the housing opposing the... | 01/26/2010 |
| 7586104 | Non-heating type fluid sterilizing apparatus A non-heating type fluid sterilizing apparatus can efficiently sterilize a fluid having high turbidity and a large quantity of solid matter or a fluid such as blood having low transmissivity of ultraviolet radiation, as well as sterilize either a single fluid in lar... | 09/08/2009 |
| 7431848 | Modular ultraviolet sterilizer Multiple UV sterilizers may be connected in series in order to increase the microorganism kill rate. The UV sterilizers are rotatable with respect to other UV sterilizers so that the UV sterilizers may be combined in various configurations in order to adjust a level... | 10/07/2008 |
| 7420183 | Apparatus and process for sterilization of liquid media by means of UV irradiation and short-time heat treatment Apparatus and process for UV irradiation and heat sterilization of fluid media, and in particular of liquids containing microorganisms and/or viruses. ... | 09/02/2008 |
| 7361904 | UV water purification system A point of use water purifier for use in rural and under developed areas having a supply reservoir chamber in a first container and a treatment reservoir chamber in a second container underlying the first container and into which the first container is fitted, the w... | 04/22/2008 |
| 7317193 | Ultraviolet radiation water disinfecting device An ultraviolet water treatment system is provided for treating water moving through a treatment area in a direction D. The system includes a series of ultraviolet modules disposed in side-by-side relationship in the treatment area. Each module includes an ultraviole... | 01/08/2008 |
| 7316775 | Air-powered filter arrangement A filter including a filter housing having a spillway and a pneumatic intake assembly that draws water from an aquarium into the filter housing. The filter housing being configured to internally mount to the aquarium. The filter housing having first and second chamb... | 01/08/2008 |
| 7294839 | Low volume sample cell and gas monitoring system using same A sample cell, which is a component of a gas monitoring system, includes a sample cell body and a sample cell core installed therewith. The sample cell is coupled to a sampling tube that communicates with an airway of a patient. Gas from the sampling tube passes thr... | 11/13/2007 |
| 7268882 | Gas sensor arrangement in an integrated construction A gas sensor arrangement comprises a first half-shell mateable with a second half-shell. The first half-shell has a detector receiving opening and radiation source receiving apertures. A gas measuring chamber is formed between the first half-shell and the second hal... | 09/11/2007 |
| 7237889 | Ink-jet recording apparatus There is provided an ink-jet recording apparatus that can maintain a constant light emission intensity of a light source with a simple structure, and allows easy replacement of the light source, while realizing miniaturization and reduction in weight of the apparatu... | 07/03/2007 |
| 7226542 | Fluid treatment apparatus Portable personal water purifier with a microdischarge array sealed with a radiation emitter, preferably Xel, slightly above atmospheric or water pressure in a closely-configured treatment chamber. Each array is a polyimide film separating a copper layer or mesh cat... | 06/05/2007 |
| 7217358 | Ultraviolet radiation treatment of unwanted microorganisms A method and apparatus are described for killing or inhibiting growth of undesired microorganisms using ultraviolet radiation. A vortex turbulated flow of water is established within a vertical tube through which is transmitted ultraviolet radiation. In a preferred ... | 05/15/2007 |
| 7175808 | Micro-organism inactivation system A portable micro-organism inactivation system comprising: a casing mounting, a UV radiation source, a pump, and releasable tube support for supporting an elongate tube to define a flow path extending therethrough which is substantially free of substantial discontinu... | 02/13/2007 |
| 7147821 | Treatment process for a gaseous medium containing contaminating particles The invention relates to a method for treating a gaseous medium containing contaminating particles, such as microorganisms, bacteria, or viruses. The inventive method consists of generating an accelerated electron flux; the electron flux interacting with the gaseous... | 12/12/2006 |
| 7135108 | Water purifyer with extruded body having circumferentially arranged tubes A water purifying apparatus is constructed having a plurality of vertical, water-carrying tubes circumferentially arranged so as to form a hollow central region enclosed by the tubes. A top cap and bottom cap are configured so as to channel water through the tubes i... | 11/14/2006 |
| RE39313 | Procedure and filter device for removal and/or destruction of organic substances in contaminated air A procedure and a filter device (1) serving the purpose of removing and/or destruction organic substances in contaminated air. The filter device comprises at least one ventilator (12) for sending an air stream through a first chamber (14) with a... | 10/03/2006 |
| 6972415 | Fluid treatment system with UV sensor and intelligent driver A fluid treatment system in which the fluid to be treated is irradiated with ultraviolet light (UV). The system includes a sensor with capabilities for detecting multiple fluid treatment parameters, such as UV intensity level and fluid flow. The sensor contains a co... | 12/06/2005 |
| 6951617 | Method and apparatus for controlling flow profile to match lamp fluence profile A system for treating a fluid comprising a treatment chamber; a light source for emitting light, such that at least a portion of the light travels within the treatment chamber; and a treatment area within the treatment chamber; wherein a flow profile of the fluid in... | 10/04/2005 |
| 6932903 | Ultraviolet-and-ozone disinfection apparatus having improvement on disinfection effect An ultraviolet-and-ozone disinfection apparatus 200 providing an improvement on disinfection, includes a disinfection tank 202, a mercury UV lamp 210 enclosed by a quartz tube 208 for generating UV light with air trapped between them unde... | 08/23/2005 |
| 6919019 | Laser water detection, treatment and notification systems and methods A water-borne hazard detection and water treatment system includes sensors (e.g., flow rate, microorganism detectors, and chemical detectors) and can be microprocessor controlled. Microorganisms and/or chemicals are detected within a water distribution system. Treat... | 07/19/2005 |
| 6897452 | Apparatus for irradiating material An apparatus (1) for irradiating material comprises a single UV, pulsed brigth white light or IR lamp (2) with a centrally disposed receptacle (3) for containing material to be irradiated. The lamp can be an elongate hollow tube (2) of an... | 05/24/2005 |
| 6881331 | Assembly for purifying water An ozone-based water purification system is disclosed. In this system, a mixing venturi injects ozone and a liquid sanitizer into a stream of water to be treated. Following ozone and sanitizer injection, the stream of water is passed to a contact region where the oz... | 04/19/2005 |
| 6781137 | Fluid treatment apparatus A fluid treatment apparatus comprises a duct portion (10) having an elongated tubular duct (12), inlet and outlet ports at or adjacent opposite ends of the duct (12), a separate vane portion (11), mounted internally of the duct (12... | 08/24/2004 |
| 6759664 | Ultraviolet curing system and bulb The present invention is an apparatus for curing an article that is passing through the apparatus, wherein the article is being cured by ultraviolet radiation curing. The present invention most commonly applies to the field of fiber optics, and the manufacture of op... | 07/06/2004 |
| 6726839 | Point-of-use water treatment system The present invention relates to a point-of-use water treatment system unit (10). The unit (10) includes a filter housing assembly (60) having a filter tank assembly (66) and a closure (64) which utilizes a handle (152) and ... | 04/27/2004 |
| 6716345 | Point-of-use water treatment system The present invention relates to a point-of-use water treatment system unit (10). The unit (10) includes a filter housing assembly (60) having a filter tank assembly (66) and a closure (64) which utilizes a handle (152) and ... | 04/06/2004 |
| 6716343 | Point-of-use water treatment system The present invention relates to a point-of-use water treatment system unit. The unit includes a filter housing assembly having a filter tank assembly and a closure which utilizes a handle and cammed reciprocating lock blades to secure the closure to the filter tank... | 04/06/2004 |
| 6657205 | Turbine-boosted ultraviolet-radiation sterilizing fluid processor A turbine-boosted ultraviolet-radiation sterilizing fluid processor, comprising a quartz sleeve installed inside a tube unit, inside the quartz sleeve being installed an ultraviolet-radiation lamp, at the upper and lower end of the tube unit being respect... | 12/02/2003 |
| 6613277 | Air purifier A system and method for purifying air by employing an air purifier which includes at least one UV lamp such that the system produces at least two separate UV energy intensity maxima in distinct regions of the system. Each radiating region of the system is... | 09/02/2003 |
| 6547963 | Structure of water tank with ultraviolet-ray sterilization lamp The invention is related to an improved water tank with an ultraviolet sterilization lamp. It is especially to make water directly contact the sterilization lamp during sterilization. Inside the lamp, there is no air accumulation. The improved water tank ... | 04/15/2003 |
| 6503447 | Method for purifying gaseous effluents by means of photocatalysis, installation for carrying out said method Process for the purification of gaseous effluents by a photocatalytic reaction, according to which, under ultraviolet radiation in a single stage, the gaseous effluent is subjected to movements by which at least one first substrate is lapped and by which ... | 01/07/2003 |
| 6501079 | Ultraviolet-ray irradiation apparatus for sterilization of a liquid or sludgy substance An ultraviolet-ray irradiation apparatus for sterilization of a liquid or sludgy substance to be sterilized. The apparatus includes a double-wall ultraviolet-emission tube having an outer tube and a transparent, hollow inner tube permitting passage of ult... | 12/31/2002 |
| 6497840 | Ultraviolet germicidal system A germicidal method and apparatus for destroying airborne pathogenic bacteria such as tuberculosis bacteria using ultraviolet light. Air is drawn through a filter and into a sterilization chamber that is irradiated with ultraviolet light, and out through ... | 12/24/2002 |
| 6469308 | Ultraviolet radiated water treatment tank An ultraviolet radiation water treatment device for a water cooler machine having an ultraviolet lamp housed inside a transparent inner sleeve which is itself disposed inside an outer transparent sleeve. The upper ends of the two sleeves are housed in a s... | 10/22/2002 |
| 6454952 | Fluid sterilization apparatus Apparatus for treating water or other fluid with radiant energy from an ultraviolet lamp includes a helical shaped input fluid flow guide or helical ramp disposed at or near one end an elongated annular chamber around the lamp. The guide or ramp serves to... | 09/24/2002 |
| 6420715 | Method and apparatus for improved mixing in fluids The present invention provides an apparatus and method for accomplishing fluid disinfection by passing fluid flow through a uniform array of ultraviolet lamps having cross sections perpendicular to the direction of fluid flow that define channels for the ... | 07/16/2002 |
| 6411042 | Display cold spot temperature regulator An apparatus and method is disclosed for regulating the cold spot temperature of a light emitting enclosure. A cold spot regulation system defines and controls the temperature of the cold spot. The cold spot regulation system includes an interface housing... | 06/25/2002 |
| 6312593 | Ultraviolet blood irradiation chamber An irradiation chamber adapted to treat a blood stream infection by subjecting the stream to ultraviolet radiation. The chamber is provided with a window transparent to UV rays under which is an array of parallel baffle plates that define a series of inte... | 11/06/2001 |
| 6200466 | Decontamination of water by photolytic oxidation/reduction utilizing near blackbody radiation A reactor system for decontamination of water by photolytic oxidation utilizing near blackbody radiation, the system comprising (1) a reaction chamber defining an internal space with an inlet and an outlet; and (2) a broadband radiator for generating radi... | 03/13/2001 |
| 6194735 | Gas sensor The invention relates to a gas sensor (A) which is adapted for evaluating the contents of a gas sample enclosed in a cavity (2) or a gas cell (1). The gas sensor has the form of a block in which the wall or wall-parts of a gas cell or cavity have highly l... | 02/27/2001 |
