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| Number | Title | Issue Date |
| 7883572 | Cleanable dust filter comprising a zigzag pleated filter pack A cleanable filter for particulate material, includes a zigzag pleated filter pack, spacers disposed between the pleats in the filter pack and a frame having an upper and lower part covering the respective upper and lower side of the filter pack that contains the en... | 02/08/2011 |
| 7364607 | Wrought fiber sheet and filter unit A wrought fiber sheet or air cleaning filter unit that exhibits high performance and is biodegradable so as to enable reducing load upon environment. The wrought fiber sheet is produced by coupling biodegradable fiber sheets having electret properties by means of a ... | 04/29/2008 |
| 7361212 | Electrostatic precipitator An electrostatic precipitator is detailed. The precipitator includes a conduit for the passage of particles in an air flow and a generator of an electrostatic field substantially orthogonal to the air flow, and an ion supply, capable of charging the particles, in wh... | 04/22/2008 |
| 7360772 | Child transport air filtering system A child transport air filtering system comprising: a child transport device; an air filtering device removeably coupled to the child transport device; a power supply removeably coupled to the child transport device, and removeably coupled to the air filtering device... | 04/22/2008 |
| 7354474 | Dry dust filter for using in operations endangered by gases The invention related to dust filters (1) which are especially used in operations endangered by gases and comprise filter elements (10) rendered antistatic by means of derivative constituents such as carbon fibres, salts or special steel fibres (26,... | 04/08/2008 |
| 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 |
| 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 |
| 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 |
| 7311756 | Fanless indoor air quality treatment An indoor air quality system for a structure is provided. The indoor air quality system includes a ventilation system and a corona discharge apparatus. The ventilation system directs air through the structure. The corona discharge apparatus is positioned within the ... | 12/25/2007 |
| 7294176 | Surface discharge type air cleaning device A surface discharge air cleaning device includes an insulating dielectric body, a discharge electrode formed at the upper surface of the insulating dielectric body, and a ground electrode formed at the lower surface of the insulating dielectric body, the discharge e... | 11/13/2007 |
| 7294175 | Personal inhalation filter A cylindrical or other suitably shaped filter container for insertion into a user's nares to filter inhaled air to remove airborne items. The filter container has two open ends forming a container surrounding filter material. Polypropylene may be used to form the co... | 11/13/2007 |
| 7264658 | Electrostatic precipitator eliminating contamination of ground electrode An electrostatic precipitator reduces contamination of the ground electrode by separating charging and collection stages. ... | 09/04/2007 |
| 7261767 | Air purifier Disclosed is an air purifier having a small size so as to be easily mounted to various home appliances, and preventing ozone which is harmful to a human body from being generated, the air purifier including an insulating dielectric including a solid; a discharge ele... | 08/28/2007 |
| 7258730 | Air purifier Disclosed is an air purifier with a small size, having an excellent air purifying capacity, capable of preventing a large amount of ozone from being generated, the ozone harmful to a human body. The air purifier includes a case, a pair of discharge electrodes provid... | 08/21/2007 |
| 7258729 | Electronic bi-polar electrostatic air cleaner An electro-mechanical electrostatic air cleaner that combines a low air resistance dielectric fibrous filter material positioned between and electrically charged by two electrically resistant carbon coated screens. The screens are charged by a remotely mounted bi-po... | 08/21/2007 |
| 7258715 | Air cleaner An improved filter element for use in an electrostatic precipitation air cleaning device, the filter element including rod electrodes arranged through a stack of alternating fluted plastic sheets and plate electrodes. Successive plate electrodes are arranged to make... | 08/21/2007 |
| 7250202 | Recording sheets for ink jet printing A recording sheet for ink jet printing comprising a support onto which is coated at least one ink receiving layer and includes a porous inorganic oxide and an aliphatic hydroxycarboxylic acid with at least 2 C atoms. ... | 07/31/2007 |
| 7247237 | Fluid cleaning filter and filter device A fluid cleaning filter of the present invention consists of a composite matrix composed of a pleated substrate 2 configured into a pleated shape and an active carbon-containing layer 3, wherein the pleated substrate 2 is made of polyurethane fo... | 07/24/2007 |
| 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 |
| 7226496 | Spot ventilators and method for spot ventilating bathrooms, kitchens and closets A spot ventilator and method for spot ventilating a localized environment of a building is provided. The spot ventilator includes a passage and at least one corona discharge apparatus. The passage extending between an inlet positioned in the localized environment an... | 06/05/2007 |
| 7226497 | Fanless building ventilator A ventilation system for a building is provided. The ventilation system includes a pair of passages between the interior and exterior of the building and at least one corona discharge apparatus for drawing fluid through the passages. The ventilation system may also ... | 06/05/2007 |
| 7212489 | Optical disc and method of protecting same An optical disc for storage and retrieval of digital data, and a system and method for protecting the optical disc is disclosed. The optical disc has projections or embossments on one or both surfaces. When the optical disc is placed on a substantially flat surface ... | 05/01/2007 |
| 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 |
| 7192494 | Method and apparatus for annealing copper films A method and apparatus for annealing copper. The method comprises forming a copper layer by electroplating on a substrate in an integrated processing system and annealing the copper layer in a chamber inside the integrated processing system. ... | 03/20/2007 |
| 7189313 | Substrate support with fluid retention band An apparatus and method for supporting a substrate is provided. In one embodiment, an apparatus for supporting a substrate includes a body having a band extending therefrom. The band is adapted to retain a fluid on the body thereby forming a shallow processing bath ... | 03/13/2007 |
| 7182805 | Corona-discharge air mover and purifier for packaged terminal and room air conditioners An air conditioning device for heating and/or an environment is provided. The air conditioning device includes a heat exchanging apparatus, a passage, and a corona discharge apparatus. The passage is in thermal communication with the heat exchanging apparatus and ex... | 02/27/2007 |
| 7160365 | Ion generating apparatus, air conditioning apparatus, and charging apparatus An ion generating apparatus is built by sandwiching a dielectric layer between an induction electrode and a discharge electrode. The induction electrode is formed of a metal substrate of, for example, aluminum. Even when the apparatus is made larger, it offers impro... | 01/09/2007 |
| 7160363 | Electrostatic filter construction This publication discloses an electrostatic filter construction, which includes electrodes connected to a first electrical potential, second electrodes, which are electrically insulated from the first electrodes, and an insulating material acting as a particle filte... | 01/09/2007 |
| 7156898 | Low pressure drop deep electrically enhanced filter A method and apparatus using deep pleated filters to provide efficient and safe electrically enhanced filtering (EEF), with ultra low pressure drop, higher efficiency of particulate removal and higher dirt holding capacity over the life of the filter. An EEF may be ... | 01/02/2007 |
| 7141098 | Air filtration system using point ionization sources A filtration system for filtering particulates from air. A plurality of point ionization sources are positioned in the proximity of the periphery of an air flow channel and being oriented to generate ions in the proximity of the air flow channel in a direction gener... | 11/28/2006 |
| 7138039 | Liquid isolation of contact rings Embodiments of the invention may further provide a contact ring for an electrochemical plating system. The contact generally includes a substrate receiving member having a substrate support surface formed thereon, a plurality of electrical contact pins extending fro... | 11/21/2006 |
| 7112238 | Electronic air filter with resistive screen and electronic modular assembly A polarized media electronic air filter assembly has an electronics box mounted along one side by a slid-in fit into an open, receiving channel. Arcing between screens is reduced by using a relatively resistive material for at least one of the screens exposed to arc... | 09/26/2006 |
| 7105042 | Apparatus for separating aerosols or particles from gases An apparatus for separating aerosols or particles from a gas stream composed of a flow housing through which the gas containing the components to be separated flows, a separator, which is arranged in the flow housing, and a corona electrode, which is provided upstre... | 09/12/2006 |
| 7097694 | High performance, high efficiency filter A high performance, high efficiency filter is provided by a multi-stage filter having combinations of tribologically different fibers, nanofibers, and layering. ... | 08/29/2006 |
| 7090717 | Air purifier An air purifier has a simply manufactured and assembled ionizer, which improves the charging efficiency for dust particles using multi-directional discharge and prevents electrical accidents. The air purifier includes an ionizer and a collector. The ionizer includes... | 08/15/2006 |
| 7087144 | Contact ring with embedded flexible contacts A contact assembly for supporting a substrate in an electrochemical plating system, wherein that contact assembly includes a contact ring and a thrust plate assembly. The contact ring includes an annular ring member having an upper surface and a lower surface, an an... | 08/08/2006 |
| 7081155 | Particle separator Particle separator having a flow passage for air to be cleaned from electrically charged particles includes at least two electrode element surfaces arranged substantially parallel to each other and at a mutual gap width (d), at least one electrode element surface be... | 07/25/2006 |
| 7048780 | Air purifier An air purifier has a simply manufactured and assembled ionizer, which increases the charging efficiency for dust particles through maximally increased discharge spaces and prevents electrical accidents. The air purifier includes an ionizer and a collector. The ioni... | 05/23/2006 |
| 7030039 | Method of uniformly coating a substrate A method of and an apparatus for coating a substrate with a polymer solution to produce a film of uniform thickness, includes mounting the substrate inside an enclosed housing and passing a control gas, which may be a solvent vapor-bearing gas into the housing throu... | 04/18/2006 |
| 7025806 | Electrically enhanced air filtration with improved efficacy A filter assembly particularly useful in electronically enhanced air cleaning systems including a fibrous filter media. A conductive electrode is affixed to the fibrous filter media, so that the conductive electrode makes physical contact to the fibrous filter media... | 04/11/2006 |
