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| Number | Title | Issue Date |
| 7914598 | Air treatment system An air treatment system includes features for maximizing efficiency and effectiveness. In one embodiment, a sensor air passage utilizes a low pressure region created by the blower to draw air through the passage. In another embodiment, a filter frame includes a plur... | 03/29/2011 |
| 7857884 | Air cleaner including an improved airflow path An air cleaner including an improved airflow path is provided according to the invention. The air cleaner includes a duct extending between an air inlet of the air cleaner and an air outlet, with the duct being configured to conduct an airflow. The duct includes a s... | 12/28/2010 |
| 7828868 | Air treatment system An air treatment system includes features for maximizing efficiency and effectiveness. In one embodiment, a sensor air passage utilizes a low pressure region created by the blower to draw air through the passage. In another embodiment, a filter frame includes a plur... | 11/09/2010 |
| 7828867 | Filter retainer mechanism for a portable air treatment system A portable air treatment device and system including a filter retaining mechanism for selectively retaining a replaceable filter assembly. The filter retaining mechanism includes a rigid, non-moveable body that reduces a size of an access opening to a filter chamber... | 11/09/2010 |
| 7531019 | High air flow/power ratio, small footprint, household room air purifier A maximum air flow, minimum space requirement household room air purifier comprising an enclosure arranged to stand on a room floor in a room corner formed by room walls and having a face opening toward the room, an arcuate air purifying HEPA filter, a motorized fan... | 05/12/2009 |
| 7520910 | Modular air purification unit A modular air filtration unit having a disposable filter section separable from an inlet cap and a blower section. The modular air filtration unit is of rugged, lightweight construction and eases the interchange of used filter assemblies without jeopardizing leakage... | 04/21/2009 |
| 7427307 | Electric vacuum cleaner An electric vacuum cleaner has a dust collecting section for removing dust and an electric air blower mounted in its main body and comprises a filter for removing dust from air sucked into the dust collecting section by driving the electric air blower, and a disposa... | 09/23/2008 |
| 7425225 | Exhaust assembly An exhaust assembly for an appliance includes a filter housing for retaining a filter and an exhaust duct which receives airflow from the filter housing. One or more vanes are positioned in the filter housing for guiding airflow from the exhaust side of the filter t... | 09/16/2008 |
| 7419533 | Separable air purifying apparatus A separable air purifying apparatus is provided, in which a number of purifiers whose purifying capabilities for particular pollutants are reinforced by each purifier are disposed in a space meeting each purifying characteristic in order to enable an independent ope... | 09/02/2008 |
| 7416574 | Filter apparatus, exposure apparatus, and device-producing method A filter apparatus for improving gas temperature stability while maintaining a high impurity removal capacity. The filter apparatus includes a filter for removing impurities from a gas and a temperature adjuster for adjusting the temperature of the gas to a predeter... | 08/26/2008 |
| 7413086 | Inline sifter An inline sifter including a gas-powder mixture receiving module which receives a mixture of a gas and powdery material from an inlet, a sieving module which communicates with a supply chamber of the gas-powder mixture receiving module, a rotating mechanism which is... | 08/19/2008 |
| 7393272 | Air filter assembly A kit for forming an air filtering assembly from a portable box fan assembly having a parallelepiped housing with square open sides through which an electric motor driven fan in the housing propels air, and a filter assembly including a parallelepiped frame with opp... | 07/01/2008 |
| 7357831 | Method and apparatus for controlling humidity and mold An apparatus for reducing a relative humidity of air inside an enclosed space includes a portable outside air heat exchanger unit having a fan operative to create an air stream by drawing outside air from an intake and discharging the air stream through an outlet in... | 04/15/2008 |
| 7351274 | Air filtration system control An intense field dielectric air filtration system associated with an air conditioning unit includes a microprocessor based control system which may be connected to the thermostat of the air conditioning unit to energize the air filtration system in response to a cal... | 04/01/2008 |
| 7335240 | Air filter unit and service line enclosure for a refrigerator An assembly for installation in a refrigerator provides comprises an enclosure for conducting service lines therethrough and an air filter unit mounted to the enclosure. The air filter unit includes an air filter housing that contains an air filter and includes open... | 02/26/2008 |
| 7335244 | Air-purifying device for a front-opening unified pod An air-purifying device for a front-opening unified pod to purify the air in it is provided. The air in the front-opening unified pod 51 is sucked through one of its breathing holes 58a and directed into an air-purifying device (M) that includes... | 02/26/2008 |
| 7332019 | Air filtration system An air filtration system includable in and for HVAC equipment includes one or more intense field dielectric filter units and a field charging unit retained in a support structure or cabinet by a removable door which includes control circuitry and contactors engageab... | 02/19/2008 |
| 7332011 | Equipment air filter assembly A filter assembly for a structure having an air intake, the filter assembly including a filter media that is sized and shaped to cover the air intake. The ends of the filter media are connected by an elastic fastener, such that the filter media and the fastener enci... | 02/19/2008 |
| 7332006 | Ventilating and air purifying device Ventilating and air purifying device including a case having a blower therein provided to a ceiling or a wall, a first flow passage provided between the blower and a room for making an outdoor, the blower, and the room in communication, a second flow passage for mak... | 02/19/2008 |
| 7329293 | Disposable filtration system for bagless vacuum cleaners According to the present invention, a bagless vacuum cleaner includes a dust chamber, a primary filter and a second filter. The dust chamber includes an entrance and an exit. The primary filter is disposed in the dust chamber between the entrance and the exit and th... | 02/12/2008 |
| 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 |
| 7323022 | Vacuuming machine The subject invention pertains to a vacuuming machine with a primary chamber in which vacuum pressure within allows the ingress of debris through a hose. Air and debris entering the primary chamber decelerate upon entry into the chamber which allows debris to settle... | 01/29/2008 |
| 7320721 | Chemical filter and fan filter unit having the same In a fan filter unit for filtering and continuously supplying clean air into a clean room, the fan filter unit includes a chemical filter for removing chemical contaminants contained in the air, a fan for sucking and blowing out the air, and a particle filter for re... | 01/22/2008 |
| 7316720 | Securing device for a filter element A securing device for a filter element, which can be detachably mounted on an extractor hood, has a connecting implement for detachably connecting the filter element to the associated extractor hood. The connecting implement catches the filter element when detaching... | 01/08/2008 |
| 7309369 | Filter module The invention relates to a filter module in the form of a hollow body with at least one chamber. The walls of the hollow body are made of a non-metallic material that can be comminuted and/or disintegrated in a recycling process. The material is a paper product, suc... | 12/18/2007 |
| 7309386 | Vertical air cleaner A portable air cleaner having a vertical orientation with a small footprint that uses an electrostatic precipitator to remove small particles from the air in combination with forced air for increased air flow and improved particle removal. ... | 12/18/2007 |
| 7309365 | Vacuum cleaner A vacuum cleaner including an electric blower for generating suction air, a collecting unit for collecting dust contained in the suction air, a dust removing unit for removing dust adhered to the collecting unit, and a dust removing stop unit for stopping an operati... | 12/18/2007 |
| 7309387 | Methods and apparatus for a low-profile air purifier An air purifier having dimensions that enable the air purifier to be more discrete is disclosed. The air purifier also includes components that enable the air purifier to mimic a particular environment in which the air purifier may be placed. In addition, the air pu... | 12/18/2007 |
| 7300485 | Cooling fan for electronic devices An apparatus includes a rigid housing having a plurality of sides removably engaged with the electronic device and a plurality of passageways for effectively channeling air through first and second directions. The apparatus further includes at least one rotary fan m... | 11/27/2007 |
| 7294181 | Air filtration and positive pressurization system for vehicles in environmentally adverse conditions A system and method for providing filtered and pressurized air into a vehicle cab, enclosure or other interior enclosed environment is described, in which a filtered positive pressure air unit comprises a sealed box, a HEPA filter, a blower, a magnahelic, power sour... | 11/13/2007 |
| 7291205 | Air cleaner An air cleaner eliminates moisture laden in air, thus preventing the moisture from being added to a dust collecting filter and, for example, a deodorizing filter, therefore preventing performance of the dust collecting filter and the deodorizing filter from being de... | 11/06/2007 |
| 7285155 | Air conditioner device with enhanced ion output production features The present invention provides an air treatment device including a housing, an emitter electrode configured within the housing and a collector electrode configured within the housing and positioned downstream from the emitter electrode. The device preferably increas... | 10/23/2007 |
| 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 |
| 7264644 | Methods and apparatuses for mounting a filtration housing for solid filtration media Methods and apparatuses for mounting a filtration housing for solid filtration media. One aspect of the invention includes a method for mounting an air circulation component to an air circulation system, wherein the air circulation component includes a center of gra... | 09/04/2007 |
| 7258714 | Filter housing A filter housing includes an inlet for receiving airflow, a cavity for receiving a filter and an airflow passage between the inlet and the filter. At least one vane is positioned in the airflow passage for partitioning the airflow passage into a plurality of ducts. ... | 08/21/2007 |
| 7258728 | Apparatus and method for cleaning air An apparatus for cleaning air, and a method for cleaning air using the apparatus, includes a housing including an air inlet through which air to be cleaned flows into the housing and an air outlet through which air that has been cleaned is exhausted from the housing... | 08/21/2007 |
| 7241326 | Air purifier and air purification method An air purifier including: a filter which removes contaminants from air passing therethrough; a fan which generates a flow force to pass air through the filter; and a rotating body rotatably mounted in the air purifier and defining a flow path around the fan, a disc... | 07/10/2007 |
| 7235120 | Electrostatic aerosol filtering apparatus A battery (16) drives an electric motor (17) which in turn drives a fan (18). A circuit board (20) controls the operation of the motor and fan to maintain the flow rate. Air is drawn through an inlet (22) and out through a vent ( | 06/26/2007 |
| 7201787 | Air cleaner and method of controlling operation thereof An air cleaner and method of controlling an operation of the same is disclosed. The air cleaner includes a cabinet having an inlet and an outlet; a filter assembly removing dust and smell particles from a room air; a fan; a sensor assembly sensing the composition of... | 04/10/2007 |
| 7195660 | Pillow with air filter A travel pillow has one or more air filters and a body with a soft material coupled to the one or more air filters. The air filters can be powered by a power source located within the pillow. The one or more air filters can have an air intake and an air outflow in c... | 03/27/2007 |
