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| Number | Title | Issue Date |
| 7404836 | Focused flow filter A filter assembly for use in a disk drive assembly is disclosed. The filter assembly is configured to remove contaminants within the drive assembly and to prevent entry of contaminants into the drive assembly. In one implementation the filter assembly includes a hou... | 07/29/2008 |
| 7364605 | Photo-electronic air purifying disinfector A photo-electronic air purifying disinfector firstly filters out airborne impurities using a washable filter screen. It then utilizes an activated carbon filter to filter out airborne bacteria and germs. The bacteria and germs which are capable of passing through th... | 04/29/2008 |
| 7361709 | Colored composition, method of manufacturing color filter, and method of manufacturing black matrix substrate A colored composition contains a colorant carrier including a transparent resin, a precursor thereof, or a mixture of the transparent resin and the precursor, a colorant, and an organic liquid medium. The organic liquid medium consists of an organic solvent (a) havi... | 04/22/2008 |
| 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 |
| 7285150 | Dehydrating breather apparatus and method A dehydrator breather is provided that includes a vessel, a desiccant container, a valve housing coupled to the vessel, and a vent assembly coupled to the valve housing. The vent assembly includes screened ports disposed along a vertical axis of the vent assembly bo... | 10/23/2007 |
| 7273515 | Photo-electronic air purifying and conditioning system A 4-in-1 photo-electronic air purifying and conditioning system, which utilizes alternating current suitable for use in all weather conditions has activated carbon filters used in the first stage to eliminate impurities, germs and bacteria in the air drawn into the ... | 09/25/2007 |
| 7270696 | Photo-electronic air purifying and disinfecting system A 3-in-1 photo-electronic air purifying and disinfecting system, which utilizes alternating current, has an activated carbon filter used in the first stage to eliminate impurities, germs and bacteria in the air drawn into the system. The bacteria and germs which are... | 09/18/2007 |
| 7264657 | Photo-electronic air conditioning, dehumidifying, purifying and disinfecting system A 4-in-1 photo-electronic air conditioning, dehumidifying, purifying and disinfecting system has an activated carbon filter in the first stage to eliminate impurities, germs and bacteria in the air drawn into the system. The bacteria and germs in the extracted air, ... | 09/04/2007 |
| 7207671 | HEPA filter printhead protection An air flow restriction device relates to an ink jet printhead enclosure with body, a load supportable moveable lid with an opening disposed on the body, and a chamber within the body. Continuous web media is disposed in the chamber with at least one ink jet printhe... | 04/24/2007 |
| 7132003 | Air clean apparatus An air clean apparatus including an air intake intended to be located at a lower position in a corner of a room and an air outlet intended to be located at an upper position in the corner of the room, and at least a filter and a blower both inside the air clean appa... | 11/07/2006 |
| 7112240 | Sterilizing air filter A sterilizing air filter has a casing, a base, multiple spray devices, a cover, multiple fans and multiple bent tubes. The casing has an inlet and an outlet. The base is mounted in the casing and has multiple chambers in the base. Disinfectant can be poured into the... | 09/26/2006 |
| 7074250 | Air filtration unit An air filtration unit for use in a work environment includes a housing disposed with an air filtration system and light source. The housing includes a handle and corner caps to prevent damage and provide stability. The air filtration system draws air into the housi... | 07/11/2006 |
| 7025812 | Portable air cleaning apparatus The portable air cleaning apparatus includes a body casing that has a base having a generally vertical sidewall and removable top wall. A fluid spray chamber has a recirculation system that supplies a fluid to at least one spray nozzle through which the fluid is spr... | 04/11/2006 |
| 6974381 | Drop ceiling air flow producer An air flow producer of non-rectangular shape is adapted for installation in a rectangular opening of a drop ceiling. In preferred form, the producer has a circular housing with an open bottom covered with a grill. A fan with a rotary blade assembly is mounted in th... | 12/13/2005 |
| 6955713 | Device for enriching air with oxygen A device for enriching air with oxygen by pressure swing adsorption in a molecular sieve bed provides for the separation of water from the air to be enriched with oxygen. The water separator is arranged directly upstream of the molecular sieve bed (8). The wa... | 10/18/2005 |
| 6951581 | Spin-on desiccant cartridge with integral oil removal filter An air dryer assembly for removing moisture and oil from a compressed air system includes a desiccant material received in a shell for adsorbing moisture as compressed air passes therethrough. A coalescing element is disposed between an inlet and outlet for removing... | 10/04/2005 |
| 6923851 | Blue smoke control collector system The blue smoke control collector system is used for the collection of the blue haze which is actually comprised of tiny oil droplets that hover over hot asphaltic concrete mix. The system is designed to collect and filter the air generated at hot mix asphalt transfe... | 08/02/2005 |
| 6923911 | Method of filtering air through an air passageway The filter system for filtering particulate material from a generally unidirectional fluid stream comprising a first filter removably positioned in the fluid stream and a second filter removably positioned in the fluid stream downstream of the first filter. The firs... | 08/02/2005 |
| 6824596 | Gas scrubbing device for odorizing equipment operation, service and emergency A gas scrubbing device for removing odorous gases from streams of natural gas or air. The device can be used either as conventional filter to filter excess odorous gas before the gas is discharged from the system or as a fume hood to capture any odorous vapor that m... | 11/30/2004 |
| 6802880 | Air guided filter for internal combustion engine An air guide filter for an internal combustion engine includes an air filter having a pair of support rings coupled to upper and lower portions of the filter. A pleated filter plate is disposed between the support rings, and an air guide is disposed between the supp... | 10/12/2004 |
| 6786953 | Spin-on desiccant cartridge with integral oil removal filter An air dryer assembly for removing moisture and oil from a compressed air system includes a desiccant material received in a shell for adsorbing moisture as compressed air passes therethrough. A coalescing element is disposed between an inlet and outlet for removing... | 09/07/2004 |
| 6764534 | Portable oxygen concentrator A compact and highly portable combination pressure swing adsorption apparatus and product gas conservation device for medical use, to produce efficiently a gas with a high concentration of oxygen and to deliver the oxygen concentrated gas to a user at selectable tim... | 07/20/2004 |
| 6709498 | Filter construction for disk drives The filter construction includes a first portion that removes or reduces contaminants entering a disk drive enclosure from the external atmosphere and a second portion that removes or reduces contaminants present within the disk drive enclosure. Air exits the first ... | 03/23/2004 |
| 6569228 | Fuel vapor treatment system A fuel vapor treatment system for an automotive vehicle on which an internal combustion engine is mounted. The fuel vapor treatment system includes a canister connected to a fuel tank and containing a fuel vapor adsorbing material which generates endother... | 05/27/2003 |
| 6348086 | Combination blower wheel and filter cartridge system for HVAC applications In one embodiment, the filter cartridge comprises a mesh structure forming a generally annular cylinder comprising a center opening, a plurality of compartments containing a filter medium, and spaces between the compartments. The spaces between the compar... | 02/19/2002 |
| 6179903 | Mobile unit for cleaning contaminated air The invention is directed to a mobile arrangement for cleaning contaminated air. The arrangement has a blower unit, a filter unit, supply air lines and discharge air lines. During the cleaning process, surrounding air is sucked in by the blower unit, guid... | 01/30/2001 |
| 5762664 | Mobile vessel for removal of noxious fumes A mobile vessel which reduces the transmission of noxious fumes into the surrounding atmosphere emanating from material contained in a material chamber in the vessel, such as bituminous roofing material. An air plenum extends along the vessel beneath a fi... | 06/09/1998 |
| 5725639 | Device for drying air for motor vehicles An air dehumidifier or drier, particularly for a motor vehicle, has an air guiding housing defining three parallel air flow paths, which are defined by a common main air chamber separating two laterally spaced apart secondary air chambers. A reactor conta... | 03/10/1998 |
| 5702508 | Ceramic desiccant device A moisture removing device comprising a ceramic shell. The ceramic shell has a plurality of parallel openings. The openings extend along the length of the shell. The openings form elongated surfaces adapted to be contacted by moisture ladened air moving t... | 12/30/1997 |
| 5667566 | Apparatus for water vapor removal from a compressed gas A moisture removal device for compressed gas lines and the like includes a connection head having a gas inlet and a gas outlet. An elongated housing having an internal cavity is attached to the connection head with the use of a clamp ring. The elongated t... | 09/16/1997 |
| 5641343 | Room air cleaner A portable air cleaner designed to remove fine particles and unwanted gases from a room to provide for a healthier and cleaner environment. The portable air cleaner includes a high air volume circulating design and operates quietly and efficiently. The po... | 06/24/1997 |
| 5509946 | Indoor air filter An indoor air filter is provided. The indoor air filter has a housing including a water tank, an air pump, an air inlet, an air outlet, an air pump positioned between the air inlet and outlet, and an air circulation section between the air inlet and the a... | 04/23/1996 |
| 5427610 | Photoresist solvent fume exhaust scrubber A solvent fume exhaust scrubber (100) for recovering organic vapor from exhaust air which is produced during the manufacture of semiconductors includes a throttling chamber (180) containing a plurality of planar baffles (112, 114, 116, 118 and 120), a pla... | 06/27/1995 |
| 5411581 | Gas separation apparatus A gas separation apparatus employing a membrane gas separation unit and containing a regenerative desiccant for preventing any free water contacting the membranes within the membrane separation unit.... | 05/02/1995 |
| 5372621 | Condensate trap for vapor extraction system A condensate trap for use in a Vapor Extraction System (VES), which uses negative pressure to extract contaminated vapors from soil, is disclosed. The trap includes a vapor tight vessel, part of which acts as a condensate reservoir. One or more mist elimi... | 12/13/1994 |
| 5181883 | Smoker's booth A smoker's booth for isolating, containing, venting, and filtering tobacco smoke. The booth has a walled enclosure with a smoker's access aperture. The presence of a smoker is detected, thereby activating the venting, filtering, and lighting mechanisms. T... | 01/26/1993 |
| 4957520 | Apparatus for the removal of vapors and vapor products A device for removing (i.e., suction, capture and trapping) vapors and products carried by the vapors, for placement above a system for cooking food products in water or oil, circulates the exhaust gases in a cyclone having cooled walls to cause cold-wall... | 09/18/1990 |
| 4722747 | Add-on vehicle air filtration system An air filtration and purifying system for the air interiorly of a vehicle and is in the form of an add-on device for existing vehicles for removing particulate material and odors. The add-on system may be used in existing vehicles with or without an air ... | 02/02/1988 |
| 4662912 | Air purifying and stabilizing blower A blower (10) comprises a relatively large outer housing (16) positioned concentrically around and in spaced-apart relation to an inner housing (15). The space between the inner housing (15) and the outer housing (16) defines an air intake (25) which lead... | 05/05/1987 |
| 4581988 | Protective device for work in polluted environment A device for protecting the operator of mobile plant working in a polluted environment comprises an air treatment unit adapted to be fitted to or incorporated into a roof of a cab accommodating the operator. The air treatment unit contains at least one co... | 04/15/1986 |
