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| Number | Title | Issue Date |
| 7879124 | Air cleaner and method of manufacturing the same There is provided an air cleaner in which an adsorption element for adsorbing vaporized fuel is surely fixed to a housing without additionally providing a special step, and moreover the performance of element and the performance of an air cleaner itself can be maint... | 02/01/2011 |
| 7416577 | Air intake filter screen assembly including a stand-off frame for preventing hail damage to surface coils of an associated air intake unit A filter screen assembly for use with an air intake structure, the structure including a face within which is formed an air intake opening. The filter screen assembly includes a screen having a flexible mesh material and an outer perimeter edge. A three-dimensional ... | 08/26/2008 |
| 7410518 | Filter removal devices A device for facilitating removal of a filter from an air circulation system includes a flexible element having a first, low profile position adjacent a surface of the filter and a second, extended position spaced from the surface of the filter. When in the extended... | 08/12/2008 |
| 7410533 | Humidity controller apparatus In a humidity controller apparatus for removing moisture from or adding moisture to process subject air which is to be supplied to an indoor space alternately using a first adsorption element (81) and a second adsorption element (82) by switching distr... | 08/12/2008 |
| 7396375 | Air filter having fluted filter media An air cleaner (40) includes a housing (48) and an access cover. The internal volume of the housing (48) can be reached through an opening (70) in a side wall of the housing. A filter element (50) having fluted filter media is remo... | 07/08/2008 |
| 7364602 | Air cleaner assembly An air cleaner assembly for use with a conventional household air conditioning system with a duct having an opening sized to receive a standard panel filter comprises a peripheral frame sized to be received within the opening in the return duct and sized to receive ... | 04/29/2008 |
| 7351270 | Air cleaner arrangements; serviceable filter elements; and, methods An air cleaner arrangement or assembly is provided. The air cleaner arrangement includes a serviceable filter cartridge. The air cleaner assembly also includes an arrangement for positioning the filter cartridge into a preferred, sealing, orientation and for securin... | 04/01/2008 |
| 7323027 | Fan fixture and housing assembly containing the fan fixture A fan fixture includes a base having a chamber to receive a fan, the chamber of the base having two adjacent side faces formed with a slot and an air inlet respectively, a cover detachably mounted on the base to fix the fan in the chamber of the base and having a pl... | 01/29/2008 |
| 7323029 | Air cleaner arrangements; serviceable filter elements; and, methods An air cleaner arrangement or assembly is provided. The air cleaner arrangement includes a serviceable filter cartridge. The air cleaner assembly also includes an arrangement for positioning the filter cartridge into a preferred, sealing, orientation and for securin... | 01/29/2008 |
| 7323028 | Air intake filter screen assembly A filter screen assembly for use with an air intake structure, the structure including a face within which is formed an air intake opening. The filter screen assembly includes a screen having a flexible mesh material and an outer perimeter edge. The perimeter edge i... | 01/29/2008 |
| 7303604 | Filter arrangement; sealing system; and methods A filter pack includes a filter construction and a sealing system for sealing the construction within a duct or housing. The filter construction has first and second opposite flow faces and is configured for a straight-through flow. The sealing system includes a fra... | 12/04/2007 |
| 7294161 | Filter with rotational end cap base retention A filter includes a filter element mounted to a base and having first and second end caps spaced axially along an axis. Fluid to be filtered flows laterally through the filter element and axially through a hollow interior and through an axial flow opening of the sec... | 11/13/2007 |
| 7276100 | Air purifier An air purifying device is provided for removing airborne particles. The device includes a housing including an air inlet and an air outlet. A fan is positioned within the housing for drawing air into the housing through the air inlet and expelling air through the a... | 10/02/2007 |
| 7261757 | Slip-rib filter gasketing There is provided a framed filter for insertion into a filter housing having a frame surrounding at least part of a filtration media with a fluid inlet face and a fluid outlet face, the frame comprising at least one longitudinally extending sidewall portion provided... | 08/28/2007 |
| 7252696 | Fan coil media cabinet A fan coil media cabinet for use with a fan coil unit. The cabinet includes an open-sided inner liner having co-joined top, bottom, back, and front panels. The inner panel is mounted within an outer shell having top, bottom, and back walls that are located adjacent ... | 08/07/2007 |
| 7217307 | Dust collector with an invertible wind exhausting case A dust collector with an invertible wind exhausting case includes a wind exhausting case having an upper and lower cover, which is respectively provided with two threaded holes of the same size in two lateral sidewalls. Two bolts combine tightly the lower cover with... | 05/15/2007 |
| 7156892 | Filter protection device for preventing damage to an air filter A filter protection apparatus includes a frame of a closed curve defining an inner space isolated from surroundings, the frame having a shape of a filter securing part for securing an air filter, an attaching part for attaching the frame to a filter securing part, a... | 01/02/2007 |
| 7144438 | Dust collecting container for vacuum cleaner A dust collecting container for a vacuum cleaner is removably mounted in a suction chamber of a cleaner body to filter a dust from a dust-laden air being drawn into the suction chamber through an air suction hole that is connected with the outside. The dust collecti... | 12/05/2006 |
| 7128643 | Removable vent having a filter for use in a building foundation A removable ventilator is equipped to hold an air filter, the ventilator being designed for placement in a building foundation, for example between concrete blocks. The front of the ventilator faces away from the building when the ventilator is installed. The rear o... | 10/31/2006 |
| 7112232 | Air cleaning apparatus An air cleaning apparatus includes a blowing unit and a filtering unit which are easily removed from and installed in a cabinet, allowing the air cleaning apparatus to be easily cleaned. The cabinet included in the air cleaning apparatus may be used as a table. The ... | 09/26/2006 |
| 7090710 | Air intake duct for vehicle An air intake duct for a vehicle having a cuttable groove at an external wall of an air exhaust port can be applied to any vehicle regardless of whether an air filter is adopted, thus providing cost-effectiveness, preventing air leakage when the air filter is not us... | 08/15/2006 |
| 7056372 | Air treatment device having various selections An air treatment device includes a housing, a filter element disposed in the housing, an air forcing device for forcing air to flow through the filter element, and a light device disposed in front of the filter element for generating light and for germ killing purpo... | 06/06/2006 |
| 7041146 | Pre-filters for engine air cleaning systems An air cleaner for a vehicular engine includes a pre-filter which receives air flow containing particulates and a primary filter which receives the air from the pre-filter. The pre-filter removes a first proportion of particulates from the air, and the primary filte... | 05/09/2006 |
| 7041147 | Air purifier An air purifying device is provided for removing airborne particles. The device includes a housing including an air inlet and an air outlet. A fan is positioned within the housing for drawing air into the housing through the air inlet and expelling air through the a... | 05/09/2006 |
| 7037354 | Expandable air filtration apparatus An apparatus for air filtration has a pleated filter media with an expandable mesh bonded to the pleated filter media, an outer frame, an inner frame, support members disposed within the outer and inner frame wherein the support members create openings in the inner ... | 05/02/2006 |
| 7014674 | Biological safety cabinet A biological safety cabinet includes a work chamber having a contaminated air discharge opening, a fan enclosure above the work chamber, a conduit extending from the chamber air outlet to the top of the fan enclosure, a first HEPA filter in the top of the fan enclos... | 03/21/2006 |
| 6997966 | Lint trap A lint trap having an enclosure with an interior surface, an open end, with an inlet spaced from an outlet on the interior surface. A cover is removably mountable to the open end of the enclosure with a filter secured to the cover, where side edges of the filter sli... | 02/14/2006 |
| 6966935 | Filter cleaner for wet/dry vacuum A filter cleaner for wet/dry vacuum is provided for effectively cleaning filter cartridges employed for use in a class of vacuum cleaners commonly referred to as “wet/dry vacs.” The filter cleaner apparatus includes a cylindrical catch tank supported by a base. ... | 11/22/2005 |
| 6949131 | Ventilator or ventilating apparatus with thermal exchanger and air filter A compact ventilator with high efficiency thermal exchanger and a conveniently exchangeable air filter. The conveniently exchangeable filter enables a ventilator with thermal exchanger to be easily and regularly maintained and serviced, thereby enhancing its practic... | 09/27/2005 |
| 6902603 | Integrated air filtration unit An integrated air filtration unit includes a support structure for mounting a V-shaped filter bank to an air passage of an air handling system. The V-shaped filter bank may be moved from a working position in which the air is filtered to a service position in which ... | 06/07/2005 |
| 6896712 | Lateral-flow biohazard safety enclosure A biohazard safety enclosure or workstation particularly adapted for enclosing automated instrumentation includes a chamber defined by front, back, top, bottom, and opposed end walls; a HEPA filter across an air inlet opening into the chamber, and an airflow means t... | 05/24/2005 |
| 6811685 | Fouling mitigation device with movable screen A self-cleaning strainer which may be installed upstream of a heat exchanger to prevent debris greater than a critical size from reaching the heat exchanger. The strainer is preferably mounted just upstream of a heat exchanger in order to minimize the possibility of... | 11/02/2004 |
| 6793702 | Filter cartridge platform and filter cartridge for use on the platform A filter platform is provided for allowing attachment of an air filter unit thereto. The filter platform includes: a substantially hollow outer housing, the housing forming a chamber within the platform, the housing having a first opening at one end for engaging the... | 09/21/2004 |
| 6767379 | Computer box filter system A computer box filter system for a computer box including a hollow, u-shaped frame assembly that selectively attaches to a computer box. The frame assembly includes a plurality of holes formed on its inside surface which are aligned and registered with holes formed ... | 07/27/2004 |
| 6749654 | Dust filtration frame and disposal cover A dust collection system includes a housing defining an inlet and an outlet. A fan is situated within the housing to move air from the inlet to the outlet, and a filter is removably attached to the housing to collect dust entering the housing. To prevent dust from e... | 06/15/2004 |
| 6743282 | Furnace filter system A furnace filter system or kit for installation on an existing furnace duct having upper and lower supply roll supports respectively mountable on the top and bottom walls of the duct adjacent one side wall of the duct for removably receiving a supply roll of filter ... | 06/01/2004 |
| 6716267 | Multi-position, spring loaded filter rack A filter rack is spring loaded to an expanded position to help hold the filter rack at various positions and orientations within a furnace enclosure. The rack may also include a spring-loaded channel whose position adjusts to receive filters of various widths. One s... | 04/06/2004 |
| 6709499 | Air-routing household appliance with a washable filter An air-routing household appliance includes an improved removable and washable filter in that the filter is of a flexible fiber material and is finished such that it can bind and/or decompose odorous substances. Such a filter can be disposed, in particular, in the c... | 03/23/2004 |
| 6676723 | Grease containment assembly A grease containment assembly to collect grease discharged from a grease exhaust system that has an exhaust duct extending upwardly from a roof top and interconnected to a fan base that connects to an exhaust fan. The grease containment includes a plurali... | 01/13/2004 |
| 6648947 | Method and apparatus for replacing a filter The present invention provides a method and apparatus for replacing a filter. The apparatus includes a receptacle adapted to receive a filter that is capable of filtering a first area. The apparatus further includes at least one supporting member to suppo... | 11/18/2003 |
