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| Number | Title | Issue Date |
| 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 |
| 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 |
| 7217933 | UV water disinfector A device that permits the in-home UV treatment of drinking water such as tap water is disclosed. The device employs a bare low-energy UV lamp suspended below a reflector and above a free surface of water flowing within the device. The water is supplied from a tap or... | 05/15/2007 |
| 7067827 | Apparatus and method for electron beam irradiation having improved dose uniformity ratio The present invention is related to an apparatus and method for irradiating a product package, comprising a radiation source directing a radiation beam along a beam direction towards said product package, conveying means for transporting said product package past sa... | 06/27/2006 |
| 6974958 | UV water disinfector A device that permits the in-home UV treatment of drinking water such as tap water is disclosed. The device employs a bare low-energy UV lamp suspended below a reflector and above a free surface of water flowing within the device. The water is supplied from a tap or... | 12/13/2005 |
| 6803586 | Fluid treatment system and method of treating fluid It is often desirable to operate ultraviolet (UV) water treatment systems at high fluid velocities; such as, when low UV doses are required, the UV transmittance of the water being treated is high, or when a high intensity radiation source is used. The operation of ... | 10/12/2004 |
| 6803587 | UV water disinfector A device that permits the in-home UV treatment of drinking water such as tap water is disclosed. The device employs a bare low-energy UV lamp suspended below a reflector and above a free surface of water flowing within the device. The water is supplied from a tap or... | 10/12/2004 |
| 6784440 | Food sanitizing cabinet A compact, efficient, easy-to-maintain enclosable cabinet for sanitizing a liquid flowing along a cascade within a cabinet body, having a cabinet body, a plurality of troughs directing the liquid along a predetermined path including a cascade within the cabinet body... | 08/31/2004 |
| 6762414 | Apparatus for generating ultraviolet radiation and ozone by using microwave Disclosed is an apparatus for generating ultraviolet rays and ozone using microwaves to sterilize water in a swimming pool or potable liquids such as purified water, milk and juice and to eliminate impure organic matters contained in the water. The apparatus include... | 07/13/2004 |
| 6713771 | Method and apparatus for electromagnetic irradiation of liquid An electromagnetic wave applying apparatus having an electromagnetic wave source (13) such as an ultraviolet lamp or the like, a cylinder (15) surrounding the electromagnetic wave source, a liquid retention tank (16) disposed around the cylinder... | 03/30/2004 |
| 6602425 | Method for low cost water disinfection A low cost system for providing drinking water includes a feed water container with a simple ceramic filter covering an outlet of the feed water container. The preferred filter is generally cylindrically shaped with a bore extending partially therethrough... | 08/05/2003 |
| 6447585 | Closed system for volatile organic compound recycling In the method and system of the instant invention, volatile organic compounds (VOCs) liberated in the course of solvent-based painting of a workpiece, are recovered. The atmosphere within a closed spray-booth is maintained at a fixed humidity such that va... | 09/10/2002 |
| 6419821 | Apparatus for low cost water disinfection A low cost system for providing drinking water includes a feed water container with a simple ceramic filter covering an outlet of the feed water container. The preferred filter is generally cylindrically shaped with a bore extending partially therethrough... | 07/16/2002 |
| 6139726 | Treated water dispensing system A water treatment tank for use with water purification apparatus including an ultra-violet lamp within a bulb onto which incoming water is directed to provide a 360 degree thin laminar flow about the bulb so that all of the incoming water receives the ult... | 10/31/2000 |
| 5968997 | Continuous process for irradiating of polytetrafluorineethylene (PTFE) A system for continuously processing PTFE by irradiation and grinding includes a processing vessel having first and second horizontally adjacent agitators in first and second transversely adjacent vessel portions. The bottom of the vessel has a step betwe... | 10/19/1999 |
| 5888388 | Water treatment A filtration unit e.g. for ponds comprises a housing divided into a radiation chamber (18) with a water inlet (20) and a filtration chamber (19) with water outlets (21,22). A weir (23) in the partition wall (17) between the chambers controls the water lev... | 03/30/1999 |
| 5780860 | UV water disinfector A UV disinfector with a gravity driven feed water delivery system, and an air-suspended bare UV lamp. The disinfector is hydrodynamically optimized with a laminerizing, perforated baffle wall, beveled treatment chamber, and outlet weir.... | 07/14/1998 |
| 5434421 | Process and device for treating particulate material with electron beams Process and device for electron beam treatment of bulk material where the bulk material is fed into a continuous stream by means of compression stages (3) which can be evacuated. It is dispersed and directed into a dosed irradiation chamber (1), passing i... | 07/18/1995 |
| 5366705 | Gravity feed ultraviolet liquid sterilization system An ultraviolet liquid sterilization system including an ultraviolet light source. Provision is made for gravity feeding a liquid to be sterilized past the ultraviolet light source to expose the liquid immediately to the light to sterilize the liquid witho... | 11/22/1994 |
| 5253535 | Apparatus and method for monitoring mass flow of solids A method and apparatus for transporting solid particulate material and calculating mass flow rate of the material through a rotary feeder having helical pockets is provided. At least one radiation source and two or more detectors are positioned in a manne... | 10/19/1993 |
| 5072124 | Disinfector system for disinfecting water by electron beam In a disinfector system for use in disinfecting a water current into a disinfected water current, the disinfector system comprises a conduit (22) which extends along a vertical direction. The conduit has an inlet port and an outlet port and guides the wat... | 12/10/1991 |
| 4665958 | Funnel device for draining liquids A funnel device is provided for emptying liquid from scintillation vials and disposing of the empty vials. The device has a top provided with rows of holes to loosely accommodate standard liquid scintillation vials. Beneath each row of holes is a rod. The... | 05/19/1987 |
| 4520677 | Solids mass flow indication with radiation Method and apparatus for indicating mass flow of a solid particulate material through a rotary feeder. A radiation source and detector are positioned in a manner whereby radiation flux is directed through, and attenuated by, particulate material contained... | 06/04/1985 |
| 4388530 | Process and apparatus for the continuous measurement of element contents A method and apparatus for continuous measurement, by X-ray fluorescence lysis, of the elemental content of a slurry, independently of slurry density and slurry composition. The slurry, a source of primary radiation, a target, and a detector are arranged... | 06/14/1983 |
| 4276777 | Apparatus for analysing flowing media PCT No. PCT/SE79/00088 Sec. 371 Date Dec. 6, 1979 Sec. 102(e) Date Dec. 6, 1979 PCT Filed Apr. 11, 1979 PCT Pub. No. WO79/00934 PCT Pub. Date Nov. 15, 1979 An apparatus for use in the analysis of flowing media, and in particular for the analysis of pulp-f... | 07/07/1981 |
| 4274970 | Method and apparatus for treating water Water may be treated so as to kill microorganisms and so as to oxidize oxidizable material within it by passing a thin film of water in contact with a gaseous body or bubble of air containing both oxygen and ozone while concurrently radiating both the wat... | 06/23/1981 |
| 4275304 | Short optical path detector An improvement in analytic instruments which measure liquid properties by optical techniques, the improvement providing an optical path through the liquid under test as low as about 0.1 mm by presence of a flat transparent surface across the optical beam ... | 06/23/1981 |
| 4230947 | Apparatus for treating flowable material An apparatus for treating flowable material falling through an irradiation zone in the form of a thin, substantially nonturbulent, cohesive layer including in combination an outlet reservoir adapted to catch the falling material after it is irradiated; a ... | 10/28/1980 |
| 4180735 | Method and device for measuring the particle size in a slurry or a flow of material A method and a device for determining or observing the average particle size or particle size distribution in a flow of material, such as a slurry, wherein the material is allowed to flow at a constant velocity through a radiation beam, the time interval ... | 12/25/1979 |
| 4173719 | Apparatus for irradiating flowing materials An apparatus for irradiating a flowing material with an electron beam includes an electron beam accelerating device having an electron beam emitter; an irradiation device having an inclined irradiation tray arranged underneath the electron beam emitter an... | 11/06/1979 |
| 4048504 | Method and apparatus for treating flowable material The flowable material is directed through an irradiation zone in a thin layer and in a free fall. In one embodiment, the material is accelerated by one or more rollers prior to entry into the irradiation zone. The thin layer may be directed vertically or ... | 09/13/1977 |
