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5547590 |
UV-based water decontamination system with dimmer-control
An ultraviolet-based or dual mode water purifying system operates under household water pressure to provide a batch treatment of contaminated water. Treated water is stored in a pressurized...
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5545335 |
Water purifier
A system for purifying and recirculating water in a tub during the course of a bath. The system includes an apparatus comprising a pump in communication with a suction port. The pump is in...
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5540848 |
Filter retainer for water purification unit
Water to be purified swirls about a source of ultraviolet radiation to kill any microorganisms contained therein and flows through a carbon filter cartridge mounted about the ultraviolet source to...
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5539209 |
Method of cleaning fouling materials from a radiation module
A method of cleaning fouling materials from a radiation module, the method comprising the steps of: (i) immersing at least a portion of the radiation module in a fluid; and (ii) subjecting the...
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5505904 |
Air disinfection unit
An air disinfection method and unit are disclosed in which air is passed through a housing from an air inlet to an air outlet opening at a predetermined air flow rate under substantially uniform...
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5503800 |
Ultra-violet sterilizing system for waste water
An apparatus for exposing a liquid to bactericidal radiation is disclosed. The apparatus includes a source of ultra-violet radiation and a non-opaque housing enclosing the source of ultra-violet...
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5504335 |
Fluid treatment device and method
A fluid treatment device comprising a housing for receiving a flow of fluid, the housing comprising a fluid inlet, a fluid outlet, a fluid treatment zone disposed between the fluid inlet and the...
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5498394 |
Apparatus and method for a bio-conditioning germicidal dryer
A bioconditioning germicidal dryer for the hands and lower arms has two portals which allows the hands and forearms to be comfortably extended laterally into the chamber. The working chamber has a...
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5494585 |
Water remediation and purification system and method
The water remediation and purification method includes a cavitation nozzle which is operated with a throat size and pressure drop to incur cavitation in the water. The explosive and implosive...
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5492557 |
Filter device for air purification
The filter device for air purification has an electrification grid supplied with a high voltage of negative polarity and arranged on a plane transverse to an air flow for negatively charging...
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5489442 |
Prolongation of shelf-life in perishable food products
A method for prolonging the shelf-life of perishable food products includes applying a fluid coating to a surface of the food product. The fluid coating adheres to the surface and forms a solid...
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5487877 |
Restroom organizer and sterilizing apparatus
The present invention relates to a restroom organizer and toothbrush sterilizing apparatus (1) which includes a toothbrush sterilizer (4), a toothpaste dispenser (2) a soap supplier (7a) and a...
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5453049 |
Corner air filtration unit
Air purification or filtration unit having a triangular housing, with the open front face being the hypotenuse of the triangle. The unit is particularly adaptable for use with conventional sized...
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5446289 |
Ultraviolet passthrough sterilization device
An ultraviolet sterilization and decontamination system which is particularly useful in ultraviolet passthrough applications. The system includes a shell having a reflective inner surface and a...
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5439642 |
Method of surface-cleaning and/or sterilizing optical components, especially contact lenses
In order to remove impurities and contaminations adhering to the surfaces of an optical component, especially to the front and rear faces of a contact lens, electromagnetic radiation is caused to...
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5439595 |
Water decontamination method using peroxide photolysis ionizer
Apparatus and a method are disclosed for decontaminating water, using an ionizing reactor. Water contaminated by organic compounds is introduced into a chamber in which it is concurrently...
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5433920 |
Method for sterilizing cartons
An ultraviolet (I/V) sterilization system for food cartons is disclosed. An elongated UV lamp is mounted in a housing. A parabolic cylinder reflector is mounted in the housing with the focus of the...
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5433738 |
Method for irradiating cells
An apparatus for irradiating cells with ultraviolet light including an ultraviolet light source and an outer cylinder that surrounds the ultraviolet light source. Hollow tubing is helically wrapped...
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5433923 |
Indoor humidifier and air purifier
A room humidifier and air purifier withdraws air from ambient room atmosphere into a region having a living plant with its roots in a growing media of highly adsorbent activated carbon and zeolite;...
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5431714 |
Process for investigating particles situated in a gas
In the process for investigating particles situated in a gas, a gas stream is guided past a miniaturized UV excimer radiator. In this case, the particles are ionized and subsequently filtered out,...
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5424032 |
Method and apparatus for controlling microorganisms
Water in a process water system, such as a cooling tower or pulp and paper processing plant, is treated to destroy biological microorganisms by diverting the portion of the water flowing through...
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5413768 |
Fluid decontamination apparatus having protected window
An ultraviolet radiation exposure fluid decontamination apparatus is provided which includes a container made of high tensile strength material through which the fluid to be treated flows, a high...
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5413760 |
Plasma sterilizer and method
A plasma sterilizer and method employ essentially uncharged, highly reactive free radicals, atoms and excited molecules of a gas mixture to sterilize articles. The gas mixture includes oxidizing...
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5409841 |
Ultraviolet light sterilized sampling device and method of sampling
An apparatus to take aseptic samples from bioreactors or other aseptic or sterile containers is disclosed. The invention comprises a hollow cannula (20), a septum (28) which seals a pre-sterilized...
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5387400 |
Apparatus and method for water purification using ozone generated by ultraviolet radiation with a continuous filament bulb
The present invention provides a method and apparatus for the purification of water using a continuous filament ultraviolet light bulb source to produce radiation resulting in ozone production in...
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5376281 |
Water purification system
An apparatus for purifying water includes: a plurality of UV radiators which include a helical quartz tube through which water to be purified passes and an ultraviolet light source to irradiate...
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5372781 |
UV reactor assembly with improved lamp cooling means
A reactor assembly is provided for destroying contaminants in fluids by the application of UV radiation to promote the destruction of the contaminants. The reactor assembly has a vertically...
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5370793 |
Circulating fluid purification apparatus and pool water purifying system using the same
The method of cleaning porous ceramic filters with a backwashing apparatus comprising an accelerating circulation path and a unit for mixing accelerated water with high-pressure air can be...
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5368826 |
Control apparatus for fluid disinfection modules and systems
An ultraviolet fluid disinfection system including: one or more fluid flow passageways, one or more modules located in each passageway, each module having one or more rows of ultraviolet...
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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...
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5362451 |
Process and reactor for char-gas oxide reactions by radiofrequency catalysis
This process and reactor for char-gas oxide reactions utilizes radiofrequency catalysis to enhance desirable chemical reactions between carbon and such gas oxides. Removal of selected oxide...
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5362450 |
Laser controlled decomposition of chlorofluorocarbons
A method to decompose chlorofluorocarbons gases (CFCs) enables the conventional disposal of their by-products. It employs photodecomposition of the CFC gas using UV light and a mediating species to...
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5352359 |
Ultraviolet reactor with mixing baffle plates
An ultraviolet reactor for purifying a liquid, comprising a housing of circular or rectangular cross-sections, a multiplicity of ultraviolet lamps accommodated in the housing, an inlet and outlet...
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5342582 |
Apparatus for reprocessing special waste
An apparatus for reprocessing special waste of photocrosslinkable scrap material is composed of a housing equipped with a feed hopper, one or more UV emitters arranged in the housing to irradiate...
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5337581 |
Refrigerated waste container with germicidal lamp
A refrigerated waste storage container is disclosed, the container having a refrigeration unit for cooling or freezing the contents therein and a germicidal lamp for producing radiation to kill...
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5336842 |
Process and device for cleaning polluted solids
The process for cleaning polluted solids by crushing the solids and removing the pollutants consists of mechanically fluidizing the crushed solids, through-blowing them with air and irradiating...
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5334905 |
Immersible lamp for a photochemical reactor
An immersible lamp for use in a photochemical reactor has an outer bulb (10) surrounding an inner discharge tube (1) which can be cooled by a flow of inert gas such as nitrogen from a supply...
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5334347 |
Electric discharge device
Aspects of the present invention are found in an electric discharge device comprising an envelope containing an electrode, a vaporizable material, and means for regulating the internal thermal...
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5332388 |
Ultraviolet disinfection module
An immersible and portable module for irradiating waste fluids and capable of in situ self cleaning including a first header capable of receiving and maintaining in position a multiplicity of...
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5326542 |
Method and apparatus for sterilizing cartons
An ultraviolet (UV) sterilization system for food cartons is disclosed. An elongated UV lamp is mounted in a housing. A parabolic cylinder reflector is mounted in the housing with the focus of the...
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5325020 |
Circular waveguide plasma microwave sterilizer apparatus
An apparatus for plasma sterilization includes a sterilization chamber and at least one microwave plasma generator for producing gas plasma products communicating therewith. The microwave plasma...
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5322569 |
Ultraviolet marine anti-biofouling systems
Biofouling of underwater surfaces by marine organisms is prevented by irradiating the surfaces or the adjacent water with ultraviolet light and adjusting the intensity of the ultraviolet light so...
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5308505 |
Method for killing barnacle larvae in water
Biofouling of underwater surfaces by marine organisms is prevented by irradiating the water with ultraviolet light and adjusting the intensity of the ultraviolet light so as to kill barnacle larvae...
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5288461 |
Fluid treatment system
Contaminants in an aqueous stream are oxidized with minimal use of an added oxidant by diffusing the oxidant through a fixed porous element followed by cyclical photolytic treatment of the stream...
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5268300 |
Auditing contaminated water effluents for feasible reuse
Apparatus and method for practice in an over-the-road vehicle to determine whether effluent water released in an operating water treatment system (plant installation) can be adequately treated to...
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5262066 |
Process for delivering radiant energy for the treatment of fluids
A process for treating fluids with ultraviolet radiation effective to destroy microorganisms and to prevent their regrowth is described.
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5260020 |
Method and apparatus for catheter sterilization
Techniques for effectively sterilizing catheters, particularly long-dwelling intravenous catheters, are disclosed. The techniques include the transmission and dispersion of ultraviolet or infrared...
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5258124 |
Treatment of contaminated waste waters and groundwaters with photolytically generated hydrated electrons
A process for treating an aqueous waste water or groundwater containing organic contaminants degradable by hydrated electrons comprises contacting the aqueous waste water or groundwater with an...
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5247178 |
Method and apparatus for treating fluids by focusing reflected light on a thin fluid layer
Apparatus for treating a fluid by irradiating a thin film of the fluid with high intensity, concentrated light. The irradiation affects chemical physical or biological activity changes in the fluid.
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5240675 |
Method for cleaning endoscope
In a method for use in cleaning a flexible endoscope, an elongate cleaning member having an embedded optical fiber, an electrical conductor, and/or a heat conductor is inserted into a biopsy...
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