Superstar singer Michael Jackson co-patented a "Method and means for creating anti-gravity illusion" in 1993.
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| Number | Title | Issue Date |
| 7588629 | Filter cassette A filter cassette having opposing rectangular side panels with at least one pair of filter media containers there between wherein each filter media container has a pair of opposing rectangular end plates and a pair of opposing rectangular media screens, each pair of... | 09/15/2009 |
| 7470311 | Dehumidification unit and adsorption element for use in such a dehumidification unit A dehumidification unit comprised of alternate laminations of an adsorption element which supports an adsorbent and which is provided with a first air ventilation passage and a cooling element, which is provided with a second air ventilation passage. The first air v... | 12/30/2008 |
| 7364608 | Chemical filter and method for manufacturing same The chemical filter supporting an ion-exchange resin comprising a fiber supporting body containing ion-exchange fiber and ion-exchange resin powder which is supported on the fiber supporting body is provided. The chemical filter possesses a large ion-exchange capaci... | 04/29/2008 |
| 7329308 | Air handling and chemical filtration system and method The present invention relates to systems and methods for controlling humidity and temperature in gases or air streams used in semiconductor processing systems. These systems and methods can be used in combination with systems and methods for contaminant detection an... | 02/12/2008 |
| 7320720 | Interlocking filtration device A filtration device adapted for adjustably interlocking with adjacent filtration devices in a filter bank, wherein inversely disposed flaps on opposing sidewalls, such us an upper flap disposed along a first sidewall and a lower flap disposed along an opposing sidew... | 01/22/2008 |
| 7316736 | Carbon filter panel for an air cleaner A carbon filter panel for an air cleaner is provided according to an embodiment of the invention. The carbon filter panel includes a frame including one or more side members and a frame interior space and a plurality of spaced-apart carbon elements extending across ... | 01/08/2008 |
| 7316732 | Air treatment filter and related method An activated carbon filter that treats a gas stream having a varying relative humidity, the gas stream contaminated with at least one of formaldehyde, an acid gas and an alkaline gas. The filter includes a plurality of activated carbon granules mixed together in a c... | 01/08/2008 |
| 7163573 | Chemical filter medium, chemical filter including the chemical filter medium and method for manufacturing the chemical filter A chemical filter medium for removing ozone and nitrogen oxide includes a first ozone absorption layer for mainly removing ozone having a filtering base material for removing ozone, a first nitrogen oxide absorption layer for mainly removing nitrogen oxide formed on... | 01/16/2007 |
| 7132007 | Air filter unit with several filter elements A filter unit for the purification of air includes at least a first filter element, which contains granular, especially spherical, activated carbon as an adsorbent material, and at least a second filter element, which contains a combination of granular, especially s... | 11/07/2006 |
| 7101419 | Air filter assembly for low temperature catalytic processes An air filter assembly for removing particulate contaminants, chemical contaminants, or both, from an incoming dirty air stream. The resulting filtered or clean air is supplied to catalytic equipment, such as a fuel cell. The filter assembly can include a physical f... | 09/05/2006 |
| 7090474 | Diaphragm pump with overfill limiter A diaphragm pump which overcomes the problem of diaphragm failure due to overfill of the oil transfer chamber. An overfill preventive element in the form of a mechanical stop, a fully closed coil spring, or a valve system, or alternatives are provided. ... | 08/15/2006 |
| 7060166 | Aqueous ionomeric gels and products and methods related thereto An aqueous ionomer gel having a high viscosity, particularly a proton conducting ionomer, as well as to related products incorporating such gels. Such aqueous ionomer gels are suitable for suspending catalysts for formation of catalyst inks, which in turn are suitab... | 06/13/2006 |
| 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 |
| 7029516 | Filters and methods of making and using the same Filters for removing particulate and gaseous organic and inorganic materials from a fluid stream are disclosed. The filters may contain a polymer matrix and optional sequestering agents. Methods of making filters are also disclosed. Methods of using filters to remov... | 04/18/2006 |
| 7022164 | Filters employing porous strongly acidic polymers A clean, high efficiency, low pressure drop, adsorptive filter material that is porous and includes an acidic functional group. The filter can include, for example, a non-woven filter composite has a porous sulfonated divinyl benzene styrene copolymer beads having s... | 04/04/2006 |
| 7014690 | Expandable desiccant element An expandable desiccant element for removal of moisture from an air stream. Such expandable desiccant element includes at least one first expandable containment section capable of expanding a first predetermined amount, at least one second expandable containment sec... | 03/21/2006 |
| 7014693 | Filters employing both acidic polymers and physical-adsorption media A filter includes at least two different adsorptive media. First, chemisorptive media, which is porous and includes an acidic functional group, is used to remove molecular bases, including ammonia, organic amines, imides and aminoalchols, from the atmosphere used in... | 03/21/2006 |
| 6939395 | ADSORBER FOR CLEANING RAW GASES, FILTER MODULE COMPRISING SUCH AN ADSORBER, FILTER UNIT COMPRISING AT LEAST TWO SUCH FILTER MODULES, AND DEVICE FOR CONDITIONING OUTER AIR OR FOR TREATMENT OF ESCAPING AIR WITH SUCH FILTER MODULES An adsorber for cleaning raw gas has at least one filter element wherein the at least one filter element is made of electrically conducting adsorber material. A filter module has a module housing in which such an adsorber is arranged. The housing has at least one in... | 09/06/2005 |
| 6916360 | Adsorption methods An adsorption bed arrangement includes a plurality of adsorption elements, a housing, and a gasket member. Each of the adsorption elements has a first adsorptive media and a second adsorptive media, which remove different contaminants from an incoming air stream. Fo... | 07/12/2005 |
| 6533847 | Adsorption apparatus An adsorption bed arrangement includes a plurality of adsorption elements, a housing, and a gasket member. Each of the adsorption elements has a first adsorptive media and a second adsorptive media contained within a respective element. The first and seco... | 03/18/2003 |
| 6197097 | Apparatus for cleaning an airstream A filter for cleaning air by removing noxious and/or odorous matter from the air flow by desorption is constructed so that filter sections (12) can be sequentially heated for a desorption of the noxious and odorous matter. An air discharge (13) for desorp... | 03/06/2001 |
| 6156089 | Two-stage air filter with multiple-layer stage and post-filter stage A system for circulating air which includes particles, bacterial organisms, and odoriferous material includes a fan coupled to ducting of the air circulation system for causing movement of air in a stream through the ducting; a filter holder configured to... | 12/05/2000 |
| 6113674 | Adsorption apparatus and methods An adsorption bed arrangement includes a plurality of adsorption elements, a housing, and a gasket member. Each of the adsorption elements has adsorption media contained within a respective element. Each of the adsorption elements are selectively openable... | 09/05/2000 |
| 5964927 | Adsorption apparatus An adsorption apparatus has a housing including an inlet and an outlet, and defining an inlet plenum extending vertically below the inlet and an outlet plenum extending vertically below the outlet. A plurality of adsorption bed assemblies in a vertically ... | 10/12/1999 |
| 5772738 | Multifunctional air filter and air-circulating clean unit with the same incorporated therein A multifunctional air filter module includes a filter case having an air introduction side opening and an air discharge side opening and a pleated fabric air filter element containing an activated carbon. The periphery of the pleated filter element is fix... | 06/30/1998 |
| 5595910 | Biofilter with modular trays A biofilter for the removal of contaminants from gas streams disclosed. The biofilter makes use of a series of modular trays, each containing a gas-contacting medium for removing at least one contaminant from the process stream. The trays have a modular d... | 01/21/1997 |
| 5464468 | Rotary adsorption/desorption gas treating apparatus A rotary adsorption/desorption gas treating apparatus includes a rotary drum rotatable along a rotation axis and having a plurality of gas passage compartments arranged in a peripheral direction of the drum. The apparatus further includes an adsorbing ele... | 11/07/1995 |
| 5290345 | Refillable gas adsorption bed assembly and counterflow adsorber module The present invention pertains to a refillable gas adsorption bed assembly having a box-like, generally rectangular frame The frame has a pair of oppositely disposed side members and a pair of oppositely disposed end members. There is a first and a second... | 03/01/1994 |
| 5080699 | Filter apparatus A filter apparatus for filtering chemical gases and odors from a fluid is disclosed. The filter apparatus includes a plurality of filter cartridges which each include a filter material, and a housing which fixes the filter cartridges relative to each othe... | 01/14/1992 |
| 4969936 | Filtration apparatus A gas filtration apparatus for filtering large volumes of air. The apparatus has a plenum chamber which features a V-shaped housing having a main portion located inside the plenum chamber, and an upper portion extending outside and above the top plenum ch... | 11/13/1990 |
| 4441898 | Discharge apparatus for removing granular filter material from a filter housing and a filter apparatus having same A filter apparatus including a housing having a discharge apparatus for removing granular gas treating material from the hopper of the housing. The discharge apparatus includes a baffle plate extending across the hopper between the side walls of the housi... | 04/10/1984 |
| 4273652 | Installation for filtration of a contaminated fluid A fluid purification system having a vertical bed of granular material disposed in a tank which communicates with a charging compartment and a discharging compartment respectively positioned above and below the tank. The charging compartment is provided w... | 06/16/1981 |
| 4135896 | Gas purifier having rechargeable adsorber filter with removeable rechargeable sample canister A gas purifier having a removeable sample canister apparatus and gas adsorber in combination is provided for use in atmospheric containment and cleanup systems in nuclear power plants and other air and gas filtering applications. The sample canister is pa... | 01/23/1979 |
| 4133659 | System for removing pollutants from gases having internal bypass capability A system for removing pollutants from gases in which one or more beds of activated char are formed in a housing along with passages for permitting the passage of the gases directly from the housing inlet to the outlet and passages for permitting passage o... | 01/09/1979 |
| 4133660 | Adsorber for removing pollutants from gases having uniform adsorption capability A system for removing pollutants from gases in which one or more beds of activated char are formed in a housing having an upper chamber and a lower chamber. A first series of beds of activated char extend through both the lower chamber and the upper chamb... | 01/09/1979 |
| 4049406 | Fluid filter housing and assembly A fluid filter housing and assembly therefor including a housing with a flow-through inlet and a flow-through outlet, the housing having channels of U-shaped cross section with open tops extending around the perimeter of the flow-through inlet to receive ... | 09/20/1977 |
| 3961920 | Gas adsorber cell test sampler A gas adsorber cell for use in high efficiency gas cleaning systems and the like, and having provision for obtaining a representative and undisturbed sample of the adsorbent material to permit periodic testing of the efficacy of the adsorbent material. Th... | 06/08/1976 |