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Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 8105425 | Air filter formed by slit and expanded layers of electrostatically enhanced material An air filter including a plurality of air-pervious sheets of electret filtration material. The sheets are disposed in a parallel relationship to form a stack of sheets, and each of the sheets has a plurality of slits formed therein for subsequent expanding to form ... | 01/31/2012 |
| 7951229 | Air filter formed from slit and expanded layers of electrostatically enhanced material An air filter including a plurality of air-pervious sheets of electret filtration material. The sheets are disposed in a parallel relationship to form a stack of sheets, and each of the sheets has a plurality of slits formed therein for subsequent expanding to form ... | 05/31/2011 |
| 7708813 | Filter media for active field polarized media air cleaner Filter media for an active field polarized media air cleaner includes two layers of dielectric material with a higher resistance air permeable screen sandwiched between the lower resistivity electric layers. The filter media may further include a mixed fiber filter ... | 05/04/2010 |
| 7691186 | Conductive bead active field polarized media air cleaner A pleated filter media includes a plurality of parallel conductive beads to support the media and space the pleated surfaces apart. A high voltage differential applied between adjacent conductive beads induces an electrostatic field within the filter media, thereby ... | 04/06/2010 |
| 7367997 | Electronic enclosure filter for very small spaces The present invention is directed to an improved electronic enclosure filter for very small spaces, such as small disk drives. The filter includes an exposed electrostatic layer that functions to catch and retain particulate contamination within the filter. The filt... | 05/06/2008 |
| 7338181 | Eye protecting table lamp having an air purification function An air purification apparatus and an illuminating apparatus which provide an eye protecting table lamp that emits gentle light and has an air purification function. The eye protecting table lamp comprises a lamp body unit, a lamp base unit, a focus lamp unit and an ... | 03/04/2008 |
| 7334579 | Low resistance to flow filter The present invention discloses a seamless pad-type filter which is characterized in that it comprises two co-extensive sides, a top side and a bottom side. The top and bottom sides are made of fluid filtration material. The two sides create an inner chamber therebe... | 02/26/2008 |
| 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 |
| 7318859 | Modular adsorbent filters A compact sorbent filter for selectively sorbing contaminants and method of removing contamination from an enclosure with a filter is disclosed. Filters of the present invention comprise two or more modular adsorbent units that can be foldably connected and possibly... | 01/15/2008 |
| 7318857 | Dual flow wet electrostatic precipitator An apparatus for removing particulate matter from a gas stream containing particular matter, the apparatus comprising: a mist-producing element that mixes a gas stream entering the apparatus with liquid droplets; a down-flow Wet Electrostatic Precipitator (WESP) sec... | 01/15/2008 |
| 7314497 | Filter medium and structure Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f... | 01/01/2008 |
| 7309372 | Filter medium and structure Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f... | 12/18/2007 |
| 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 |
| 7291208 | Grooved active and passive adsorbent filters The invention relates to a device for filtering contaminants, such as particulates and vapor phase contaminants, from a confined environment such as electronic or optical devices susceptible to contamination (e.g. computer disk drives) by improving performance and p... | 11/06/2007 |
| 7261818 | Method for the fabrication of a pleated filter A filter is made by the folding of a filter media to pleats after the application of strings of glue thereon and the glue serves as distance elements and fixing for the filter media. The glue contains an expandable filler, that when heated expands to a larger size t... | 08/28/2007 |
| 7258723 | Particulate filter assembly and associated method A particulate filter assembly includes an electrode assembly, a particulate filter positioned in an electrode gap defined between two electrodes of the electrode assembly, a power supply electrically coupled to the electrode assembly, and a controller for controllin... | 08/21/2007 |
| 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 |
| 7226656 | Thermoformable acoustic sheet A thermoformable acoustic sheet formed by a compressed fibrous web including high melt and adhesive thermoplastic fibres in which the adhesive fibres are at least partially melted so that in the compressed web the adhesive fibres at least partially coat the high mel... | 06/05/2007 |
| 7213595 | Multi-stage respirator filter with TIM filter option A filter canister assembly for a gas mask comprising a primary canister with a first filter medium adapted to remove aerosols, particulate materials and droplets from air and a second filter medium comprising an adsorbent filter medium adapted to remove toxic gases ... | 05/08/2007 |
| 7174593 | Vacuum cleaner having an ion generator A vacuum cleaner includes an electric blower for generating a suction air flow, a suction head in communication with the electric blower for drawing in dirt, a filter bag communication with the electric blower for capturing and collecting dirt, an exhaust unit for d... | 02/13/2007 |
| 7156897 | Anti-infection and toxin elimination device The invention provides an apparatus for removing airborne pathogens and toxic substances from a surface of an article or a volume of air, comprising: a main processing chamber having a door for ingress to and egress from the main processing chamber, at least two hig... | 01/02/2007 |
| 7144445 | Use of an adsorbent in solid foam form for the purification or separation of gases Process for purifying or separating a gas or gas mixture using a monolithic adsorbent for the separation or purification of gases or gas mixtures, having a cellular structure with open porosity in the form of a solid foam permeable to the gas molecules. The gas phas... | 12/05/2006 |
| 7132010 | Air filtering system An air filtration system including a filter (4) for separation of particles and an ionizer (3) for ionization of the air. In use of the system, ionization of the air occurs before the air passes the filter (4). The filter (4) is made up o... | 11/07/2006 |
| 7110215 | Breather filter at down-stream of re-circulation filter A data storage system with a breather filter is provided. The enclosure of the data storage system has a first end and a second end and includes a least one disc adapted to rotate in a rotational direction. The second end further includes a first corner and a second... | 09/19/2006 |
| 7101423 | Respiratory air filter A respiratory filter includes an air-permeable sleeve and at least one filter layer that is arranged in the sleeve and contains activated carbon. The activated carbon contained in the filter layers serves as a gas filter that, by absorption, at least partially remov... | 09/05/2006 |
| 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 |
| 7083660 | Casing member and method for manufacturing the same A connector casing E required to have a sealing property includes a cover 2. The cover 2 has a cover main body 10 provided with a large vent hole H0 passing through the connector casing E in an inward and outward direction and having ... | 08/01/2006 |
| 7075753 | Clean suspension assembly A clean suspension assembly for capturing particles carried by airflow along the suspension assembly includes an opening formed in the suspension assembly, and a particle capture device attached to the suspension assembly. In a further embodiment, the suspension ass... | 07/11/2006 |
| 7052213 | Hydraulic food cutter with improved accelerator tube assembly A hydraulic accelerator tube is provided for an improved hydraulic food cutting assembly. The accelerator tube is formed of polyurethane having a durometer hardness within the range of 20–70. It is encased within a clamshell housing which, when installed in the fo... | 05/30/2006 |
| 7041153 | Method of measuring floating dusts In a method of measuring particles floating in an atmosphere, the atmosphere containing the particles is sucked into a container, ions are generated from a discharge electrode disposed in the container to charge the particles with the ions. A dust-collecting electro... | 05/09/2006 |
| 7029520 | Dust collecting apparatus for an air conditioner A dust collecting apparatus for an air conditioner, including an ionizer to electrically charge dust particles in air; and a metal filter having fine metal fibers, disposed at a predetermined distance from a back of the ionizer, the metal filter having a polarity op... | 04/18/2006 |
| 7022194 | Method of treating a paint booth dry filter The present invention includes a composition having detackifying and detoxifying properties such that the composition is useful for detackifying and detoxifying paint particles in spray booth water and for treating a paint booth dry filter to render the filter fire ... | 04/04/2006 |
| 7014692 | Scrubber A scrubber for eliminating NO from air flowing through the scrubber, comprising a housing (1) having at least one inlet hole (2) and an outlet hole (4) and which is comprising filtering material (6). A second outlet hole (9) is pro... | 03/21/2006 |
| 7008465 | Cleanable high efficiency filter media structure and applications for use An improved cartridge, typically in cylindrical or panel form that can be used in a dry or wet/dry vacuum cleaner. The cartridge is cleanable using a stream of service water, or by rapping on a solid object, or by using a compressed gas stream, but can provide excep... | 03/07/2006 |
| 7004995 | Triboelectric charging of wovens and knitted fabrics A method for the utilization of a woven or loop-formingly knitted fabric which acquires an electrostatic charge as a result of a specific treatment for filtering airborne, dusty allergens such as pollen in a pollen guard mountable in front of windows and doors over ... | 02/28/2006 |
| 6940687 | Rigid housing member for a data storage device with integrated contaminant adsorbent filter Method and apparatus for protecting a data storage device from fluid-borne contaminants. The device includes a housing in which a rotatable disc is disposed. The housing is formed from first and second rigid housing members. The first housing member is provided with... | 09/06/2005 |
| 6936093 | Electronic enclosure filter A multilayer filter assembly for use inside an electronic enclosure, such as a hard disk drive enclosure containing a rotating disk, is disclosed. The filter assembly provides filtration of air entering the enclosure, as well as air circulating within the enclosure.... | 08/30/2005 |
| 6926761 | Electronic breather bag filter A breather bag filter assembly for use with an electronic enclosure, such as a hard disk drive enclosure containing a rotating disk, is disclosed. The filter assembly provides filtration of air entering and exiting an electronic enclosure through a breather hole. Th... | 08/09/2005 |
| 6923848 | Collecting apparatus of floating dusts in atmosphere A collecting device for collecting particles floating in the atmosphere includes a collecting container; a pump for sucking the atmosphere into the collecting container; a discharge electrode disposed in the collecting container for generating single polarity ions t... | 08/02/2005 |
| 6919698 | Electrostatic fluid accelerator for and method of controlling a fluid flow An electrostatic fluid accelerator includes a first number of corona electrodes and a second number of accelerating electrodes spaced apart from and parallel to adjacent ones of the corona electrodes. An electrical power source is connected to supply the corona and ... | 07/19/2005 |