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| Number | Title | Issue Date |
| 7875108 | Inactivating device for virus, bacteria, etc. and air conditioner using the same An inactivating device for inactivating virus, bacteria, etc. including a humidifying unit for humidifying flowing air, a humidifying water supply unit for supplying the humidifying unit with humidifying water containing active oxygen species achieved by electrolyzi... | 01/25/2011 |
| 7621990 | Filter device A filter device for purifying air includes a filtering tank and a mixing rotor. The a filtering tank has a filter chamber for containing a predetermined volume of filtering solution to filter particles of the air and defining an upper air portion and a lower solutio... | 11/24/2009 |
| 7431900 | Hydrogen peroxide vapor system with replaceable desiccant cartridge A hydrogen peroxide vapor generation unit (10) receives hydrogen peroxide and water solution at an interface (20) and interconnects with an air dryer (14) by way of nipples (72, 92). In one embodiment, the dryer includes a clamping assemb... | 10/07/2008 |
| 7329385 | Device and method for air stream, fluid and vessel decontamination A device for air stream, fluid and vessel decontamination generally comprises an air-inlet portion, through which air enters the device; an iodine-treatment portion; and a bubble-forming element through which iodine-laden air bubbles are released from the device int... | 02/12/2008 |
| 7186290 | Filter system with automatic media refresh A filter system includes a source of clean filter media adjacent a channel through which fluid passes. The filter media is automatically advanced from the source to the channel and eventually to a sealed container adjacent the channel. The filter media is automatica... | 03/06/2007 |
| 7185395 | Bagless vacuum cleaner A vacuum cleaner is provided including a housing, a nozzle inlet, a suction generator carried on the housing and a dirt vessel carried on the housing. The dirt vessel includes a sidewall, a bottom wall and an air inlet and an air outlet. A filter shield is aligned w... | 03/06/2007 |
| 7115160 | Filtration media Particles may be used to filter harmful biological material from an fluid stream such as air. The particles can be arranged into a bed to filter the harmful biological material from the fluid. The particles include a biocidal agent which is used to destroy the harmf... | 10/03/2006 |
| 7112240 | Sterilizing air filter A sterilizing air filter has a casing, a base, multiple spray devices, a cover, multiple fans and multiple bent tubes. The casing has an inlet and an outlet. The base is mounted in the casing and has multiple chambers in the base. Disinfectant can be poured into the... | 09/26/2006 |
| 7101420 | Self cleaning air filtration machine and a method for using the same Self cleaning air filtration machine and a method for using same comprising; a filter with a motor driven belt or disk or counter rotating disks that are perforated, a spray bar, a recirculation pump and supply line, a wet tank, a ultrasonic transducer, ultraviolet ... | 09/05/2006 |
| 7045096 | Sterilization and detoxification of confined spaces Pathogens, toxins, and some chemical warfare agents inside an enclosure are destroyed using hydroxyl free radicals. The hydroxyl free radicals can be generated by, for example, reacting ozone with water in the presence of ultraviolet light or reacting hydrogen with ... | 05/16/2006 |
| 6979428 | Fluid over-flow/make-up air assembly for reprocessor A system for sterilizing or microbially deactivating instruments and devices. The system includes a circulation system for circulating a microbial deactivation fluid through a chamber for containing the instruments and devices. The chamber forms a portion of the cir... | 12/27/2005 |
| 6926759 | Air filter An air filter baffle unit that works with large type canister wet/dry type vacuums. The baffle unit also can be used in large air filter systems and can be ganged to increase filtering. The baffle unit has two sections that are connected for use. An inlet pipe is co... | 08/09/2005 |
| 6849107 | Air filtration system A new and improved air purifying apparatus having a housing that is adapted to be mounted in-line with an air duct, such as a return air duct of an air-conditioning system. The housing is designed for easy installation without modifying the existing air-conditioning... | 02/01/2005 |
| 6808544 | Furnace exhaust filter assembly A furnace exhaust filter assembly for removing harmful particles being expelled through an exhaust pipe of a furnace. The furnace exhaust filter assembly includes a tubular member having a side wall and open top and bottom ends; and also includes filter members bein... | 10/26/2004 |
| 6802891 | Biostatic filter Air filters include a composition which has a biostatic or biocidal agent adapted to migrate through particulates accumulating in use on the filter. The biocidal agent may have bacteriostatic and/or fungistatic properties and may optionally include a humectant, a su... | 10/12/2004 |
| 6770247 | Liquid product vaporizing apparatus for an air deodorizing system A liquid product vaporizing apparatus for an air deodorizing system includes an air inlet port for drawing a stream of air into the system and directing the stream of air into a vaporization chamber. An atomizing nozzle sprays a mist of liquid deodorant from a liqui... | 08/03/2004 |
| 6743279 | Air purification device for air handling units An air handling unit having a unique air treatment device, and a method for retrofitting existing air handling units to include the air treatment device. The air handling unit includes a casing defining a space for conditioning air, and forming an inlet and an outle... | 06/01/2004 |
| 6673137 | Apparatus and method for purifying air in a ventilation system An air purifier includes a housing having a purification chamber with an inlet to the housing for drawing in contaminated air and an outlet from the housing for releasing purified air. The air purifier also includes an inlet for introducing a fluid contai... | 01/06/2004 |
| 6333003 | Treatment apparatus, treatment method, and impurity removing apparatus A treatment apparatus for treating a substrate in an isolated treatment space in an air-conditioned clean room, comprising a removing unit including a plurality of removing sections for recovering at least some of air in the treatment space and removing i... | 12/25/2001 |
| 6156088 | Pure air system A smoke and odor purifying system which can be incorporated within a housing that can serve both as a table centerpiece and an ashtray. The system having an esthetically pleasing flower vase construction with petal shaped appendages for resting of cigaret... | 12/05/2000 |
| 6063170 | Air filtration system This invention relates to an air filtration system including four principle segments interconnected in series as one unit through which contaminated air is passed. The first segment includes a prefilter for the removal of dust particles; the second segmen... | 05/16/2000 |
| 5935525 | Air treatment method and apparatus for reduction of V.O.C.s, NOx, and CO in an air stream An air abatement system that includes a pre-treatment system and an air treatment system for abatement of contaminated air that includes pollutants such as V.O.C.s, NOx, and/or CO. The air stream is treated using activated air, activated water, and ultrav... | 08/10/1999 |
| 5766314 | Process and device for treating working atmosphere using a cyclone exchanger A process for the pollution-cleaning treatment of air combines the actions of dehumidification, thermal control, washing of the gases, fixing of the particles, disinfection, spraying and vaporization. An apparatus is provided for implementing the process,... | 06/16/1998 |
| 5665141 | Ultrasonic treatment process A method of degassing utilizing a degassing faucet having a first portion which includes a liquid inlet with a first cross-sectional area and a liquid outlet with a second cross-sectional area smaller than the first cross-sectional area, the liquid outlet... | 09/09/1997 |
| 5217622 | Process and apparatus for treatment of cemetary liquids, gases and vapors from stanch interment units An apparatus for the treatment of liquids, gases and vapors originating from water impervious interment units comprises a plurality of vertical passages in the vertical walls between units. The upper ends of the vertical passages are connected to an exhau... | 06/08/1993 |
| 5139655 | Integrated system marine sanitation device A sanitation system, particularly for use in vehicles such as marine vessels (boats), trains, planes, etc. Into a holding tank with a sloping bottom containing sewage from a toilet system, such as a vacuum toilet system, about eight ounces of deodorant ch... | 08/18/1992 |
| 5029359 | Portable vacuum cleaner exhaust sterilization apparatus Apparatus including an elongate housing containing an intake vacuum nozzle in pneumatic communication with a filtration bag. The filtration bag spaced forwardly of a filtration housing containing a screen grid therewithin. The grid includes a removable pl... | 07/09/1991 |
| 4906261 | Smoke evacuation system A smoke evacuation system for use in surgical procedures in a surgical area is disclosed comprising a portable evacuation hood configured to be disposed proximate a surgical site for receiving gaseous by-products produced during the surgery. The evacuatio... | 03/06/1990 |
| 4472841 | Bathroom air sanitizer and deodorizer A bathroom sanitizer and deodorizer designed to be used with a conventional toilet bowl. A housing means is used, and is so constructed as to have an air intake port at the top and an air exhaust port on the side. A toilet bowl rim clip is attached to the... | 09/25/1984 |
| 4302225 | Hand vacuum cleaner A hand vacuum cleaner includes a housing having an inlet and an outlet, and a front and a rear part connectable with each other so as to constitute the housing. The housing has a front face and a rear face spaced from the inlet in the flow direction of in... | 11/24/1981 |
| 3954429 | Germ-free air supply device A device for supplying a germ-free air flow over an operating table, comprising a cabinet with a blower-filter unit and outflow openings near the free extremity and below the lateral sides of an operating table, which openings are provided in a U-shaped t... | 05/04/1976 |
| 3936283 | Compact gas purifier This invention is a compact gas purifier useful as a home air purifier. Gas scrubber action is achieved in a specially shaped bowl partially filled with liquid. A central rotor drives the liquid by centrifugal force out and up the wall of the bowl to a re... | 02/03/1976 |