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| Number | Title | Issue Date |
| 7985956 | Fluid treatment system There is described a fluid treatment system which may which may be used with radiation sources that do not require a protective sleeve—e.g., excimer radiation sources. An advantage of the present fluid system treatment is that the radiation sources may be removed ... | 07/26/2011 |
| 7960705 | Excimer radiation lamp assembly, and source module and fluid treatment system containing same There is described an excimer radiation lamp assembly. The lamp assembly comprises: an elongate member having an annular cross-section to define an elongate passageway aligned with a longitudinal axis of the lamp assembly; an electrode element in electrical connecti... | 06/14/2011 |
| 7897935 | Radiopharmaceutical purification An improved method and apparatus for radiopharmaceutical purification, the apparatus including a chromatographic separating device, a UV-absorption detector, a radioactivity detector and a collection container having a collection inlet valve located at a collection ... | 03/01/2011 |
| 7772566 | Power saving type safe drinking water discharge device Disclosed is a power-saving type safe drinking water discharge device to treat cold water from a cooling reservoir (110), in which water is temporarily stored and cooled, prior to discharging the water to the outside through a tap valve (120). A connec... | 08/10/2010 |
| 7767978 | Ultraviolet water treatment device An ultraviolet (UV) water treatment device includes a housing with an inlet and an outlet. Water flows into the housing through the inlet, is exposed to the UV light, and the treated water then flows out of the housing through the outlet. The UV light source is inse... | 08/03/2010 |
| 7696490 | Device for the UV treatment of flowing fluids A device for the UV treatment of fluids flowing in a flow channel, including a plurality of cylindrical low-pressure mercury UV emitters arranged in groups in the flow channel. The longitudinal axes of the UV emitters are disposed substantially parallel to one anoth... | 04/13/2010 |
| 7687785 | Ultraviolet sterilizer with a double-chamber structure A UV sterilizer with a double-chamber structure comprises an inner tube and an outer tube with different size, the inner tube being partly surrounded by the outer tube thereby forming an inner chamber and an outer chamber, the inner chamber is the space encircled by... | 03/30/2010 |
| 7655925 | Gas management system for a laser-produced-plasma EUV light source Devices and corresponding methods of use are described herein which may comprise an enclosing structure defining a closed loop flow path and a system generating a plasma at a plasma site, e.g. laser produced plasma system, where the plasma site may be in fluid commu... | 02/02/2010 |
| 7550742 | UV light redundancy system An effluent treatment control system comprising a sensor that determines when a primary ultraviolet lamp disposed in a first flow path of an effluent fails. The system also includes a controller that, upon receiving a signal from the sensor, automatically turns on a... | 06/23/2009 |
| 7476870 | Methods of fluid irradiation using ultraviolet reflecting compositions Thermoplastic compositions that reflect ultraviolet light are provided herein, along with articles of manufacture and methods of fluid purification using the same. The thermoplastic compositions preferably comprise a suitable thermoplastic material and microparticle... | 01/13/2009 |
| 7431847 | Method and apparatus for purifying water by photo-chemical oxidation An apparatus for purifying contaminated water by photochemical oxidation has at least a subflow of water that is directed through a flow channel in which the water is irradiated with UV electromagnetic radiation from at least one UV lamp assembly. The UV lamp assemb... | 10/07/2008 |
| 7429742 | Optical UV lamp-on indicator An observable optical lamp status display system is provided for an ultraviolet irradiation lamp concealed from view. An external lamp status display panel that is within the field of view of an observer registers the operating status of each ultraviolet light irrad... | 09/30/2008 |
| 7427763 | Device for the uv treatment of flowing fluids A method of operating a UV disinfection device provided with at least one UV emitter, including supplying the emitter with an operating voltage for a firing and continuous operation thereof, modulating the operating voltage, an operating current, or an electrical po... | 09/23/2008 |
| 7425272 | Systems and methods for in-situ cleaning of protective sleeves in UV decontamination systems Systems and methods for cleaning protective sleeves in UV decontamination systems are disclosed. In one embodiment, a system for decontaminating contaminated media includes a translucent sleeve surrounding a light source, and a housing configured to receive the slee... | 09/16/2008 |
| 7419642 | Fluid disinfection apparatus An air disinfection module for use in a HVAC system comprises a first and second housing, each of the housings including at least one support member adjustably coupled with the other to form a framework for varying the lateral distance between the first and second h... | 09/02/2008 |
| 7408174 | Fluid treatment system The present invention relates to a fluid treatment system comprising: an inlet; an outlet; and a fluid treatment zone disposed between the inlet and the outlet. The fluid treatment zone has disposed therein: (i) an elongate first radiation source assembly having a f... | 08/05/2008 |
| 7407593 | Deodorization of livestock waste using ozone An apparatus for deodorization of livestock waste includes a tank containing livestock waste to be deodorized; a source of atmospheric air; a source of ultraviolet light; and a magnet. Air from the source of atmospheric air is passed by the source of ultraviolet lig... | 08/05/2008 |
| 7404806 | Hemo-aide An apparatus and method for modifying viruses and bacteria in a closed loop system that irradiates the fluid multiple times through the same channel. The apparatus consists of a cuvette, an irradiation station, two ultraviolet light sources, a peristaltic pump, and ... | 07/29/2008 |
| 7396459 | Internal UV treatment of potable water systems A UV disinfectant system for treatment of water resident in a vessel. One or more UV lamps are mounted within the interior of the vessel so as to expose the water stored therein. The vessel may be, for example, a water tank, water heater, water filter or other compo... | 07/08/2008 |
| 7390222 | Ultraviolet lamp for use in water purifiers A lamp is provided having terminal pins mounted on and extending outwardly along a longitudinal axis of an end cap of the lamp. The pins are offset relative to one another along the longitudinal axis. The end cap has semi-circular, parallel surfaces at one end, and ... | 06/24/2008 |
| 7391041 | Germicidal UV reactor and UV lamp A germicidal UV reactor for use in fluid purifiers is provided, in which the UV reactor comprises an UV lamp with an UV transparent primary envelope and also an UV transparent secondary envelope around the primary envelope. The outer surface of the secondary envelop... | 06/24/2008 |
| 7381976 | Monochromatic fluid treatment systems Methods, systems and apparatus for photo-processing of fluids, particularly complex fluids, such as blood products, pharmaceuticals, injectables and vaccines, are provided. The disclosed methods and systems employ non-laser light source(s) to generate monochromatic ... | 06/03/2008 |
| 7364654 | In-home water treatment system A method and apparatus are provided for a water treatment system that includes both filtration and ultraviolet disinfection elements in a single unit. Various embodiments include a complete treatment system having replaceable filter elements or granular filter media... | 04/29/2008 |
| 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 |
| 7354175 | Environmentally resistant germicidal system Apparatus and methods for an environmentally resistant germicidal lamp are disclosed. A cover may have a material resistant to at least one of dripping, light splashing, light spraying of liquid and condensation. The cover may have a first section having an opening ... | 04/08/2008 |
| 7323694 | Fluid treatment system and radiation source module for use therein A radiation source module comprising a support member, a radiation source assembly connected to the support member, the radiation source assembly comprising at least one elongate radiation source having a source longitudinal axis and a module-to-surface seal dispose... | 01/29/2008 |
| RE40022 | Germicidal lamp for harsh environments A germicidal lamp for harsh environments is disclosed. The germicidal lamp is suited for outdoor installation on an HVAC system or related components. The germicidal lamp is made from materials resistant to splashing water, etc., and includes plural seals to protect... | 01/22/2008 |
| 7304312 | Ultraviolet reflecting compositions Thermoplastic compositions that reflect ultraviolet light are provided herein, along with articles of manufacture and methods of fluid purification using the same. The thermoplastic compositions preferably comprise a suitable thermoplastic material and microparticle... | 12/04/2007 |
| 7279092 | UV wastewater treatment device An improved apparatus for UV wastewater purification in septic tank systems disposed in piping located between tank and drainfield and method for use, comprised of an inlet end, removable for cleaning, a descending section, a connecting section, a vertical section, ... | 10/09/2007 |
| 7270748 | Sterilizing water faucet An integrated flow through water sterilization device within a sanitary faucet fixture. A portion of the flow path has a plurality of ultraviolet radiation generating LED's arranged around a transparent flow conduit within the faucet. The ultraviolet radiation gener... | 09/18/2007 |
| 7250610 | UV light disinfection device A UV disinfection device having a contact chamber, the chamber being a container with an interior, a top portion and a bottom portion. A partition is positioned in the interior to form a first and second chamber, where the first and second chambers are in fluid comm... | 07/31/2007 |
| 7241380 | Ultraviolet treatment unit and septic tank system A septic tank system including a tank and a downstream fluid system. The tank is adapted to receive sewerage and discharge liquid effluent into the downstream fluid system. A treatment chamber is located in the downstream fluid system and receives an ultraviolet lig... | 07/10/2007 |
| 7238289 | Fluid treatment apparatus An apparatus that introduces rapidly spinning vortices in a fluid with a vortex cration device (2) and a frequency generation device (26). ... | 07/03/2007 |
| 7238326 | Germicidal treatment system with status indicator There is disclosed a germicidal treatment system having a status indicator. The germicidal treatment system comprises at least one mounting assembly attachable to an outside of a wall of an air handling apparatus. Each of the mounting assemblies includes a germicida... | 07/03/2007 |
| 7232517 | Passive freestanding portable liquid filtration device A freestanding portable liquid filtration device (18) having an upper housing (24), a lower housing (32) and a base (36) which are secured together with an interference fit, with an enclosed lower portion of the upper housing (24) ... | 06/19/2007 |
| 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 |
| 7201016 | Refrigerant supply apparatus A refrigerant supply apparatus for supplying a refrigerant to a cooling target. The apparatus includes a refrigerant supply channel through which pure water as the refrigerant is supplied to the cooling target, an impurity removing unit disposed in an impurity remov... | 04/10/2007 |
| 7202484 | Infant stimulation and environment sterilizing device A cognitive stimulating sterilizing device for providing visual, tactile and, or audible stimulation for infants while selectively sterilize select items and the surrounding ambient, including a housing adapted for removable connection to cribs, changing tables and ... | 04/10/2007 |
| RE39522 | Ultraviolet ray irradiation equipment having scraper rings fitted to light transmission tubes An ultraviolet light irradiation apparatus providing combined mechanical and chemical cleaning of light irradiation tubes for removing radiation blocking precipitates from the surface of the tubes. A scraper ring is fitted to the outside of each of the tubes and inc... | 03/20/2007 |
| 7186334 | Combined chlorine and ozone generator sterilization system Water sanitizing apparatus is provided for pools, spas hot tubs and other similar bathing facilities that integrates an ozone generator and a chlorine generator in one unit, in addition to exposing a flow of water to be purified to ultraviolet radiation from the ozo... | 03/06/2007 |
