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| Number | Title | Issue Date |
| 7823423 | Dry cleaning method and apparatus therefor The object is to determine a suitable stop timing of dry cleaning operation in a dry cleaning method without an oil-soluble surface-active agent. Contamination level of a pure solvent supplied from a supply tank to an inner drum of a process tank by a supply-side pu... | 11/02/2010 |
| 7610780 | Fabric articles dry cleaning machine by solvent nebulization Fabric articles dry cleaning machine by solvent nebulization discloses wherein the cleaning and the dirt removal are based on solvent action nebulized on the surface of the fabric articles without the same articles being soaked and without a full immersion or soakin... | 11/03/2009 |
| 7603878 | System and method for improved solvent recovery in a dry cleaning device System and method for improved solvent recovery in a dry cleaning device includes a washer drum, a cleaning basket disposed in the washer drum and configured to receive articles and a solvent based cleaning fluid, a working tank configured to receive the solvent bas... | 10/20/2009 |
| 7335296 | System and device for processing supercritical and subcritical fluid A system for processing supercritical and subcritical fluid capable of bringing the inside of at least one processing container (1) formed in a flow passage into a supercritical or subcritical high pressure field, wherein thermal operation is applied to proce... | 02/26/2008 |
| 7308808 | Apparatus and method for article cleaning The present invention provides an article cleaning apparatus comprising an air management mechanism, a cleaning basket assembly, a fluid regeneration device, a working fluid device, a clean fluid device, and a controller. The working fluid device is coupled to the f... | 12/18/2007 |
| 7291565 | Method and system for treating a substrate with a high pressure fluid using fluorosilicic acid A method and system is described for treating a substrate with a high pressure fluid, such as carbon dioxide in a supercritical state. A process chemistry is introduced to the high pressure fluid for treating the substrate surface. The process chemistry comprises fl... | 11/06/2007 |
| 7275400 | Washing apparatus The present invention relates to an apparatus for treating, refreshing or cleaning fabric articles, especially articles of clothing, linen and drapery. ... | 10/02/2007 |
| 7275399 | Condensing apparatus for washing and drying machine A condensing apparatus of a washing and drying machine includes a casing that forms an accommodating space therein; a tub installed in the casing; an air duct of which one end is connected to the tub to thus introduce air into the tub; a blower fan that blows air al... | 10/02/2007 |
| 7255772 | High pressure processing chamber for semiconductor substrate A high pressure chamber comprises a chamber housing, a platen, and a mechanical drive mechanism. The chamber housing comprises a first sealing surface. The platen comprises a region for holding the semiconductor substrate and a second sealing surface. The mechanical... | 08/14/2007 |
| 7250374 | System and method for processing a substrate using supercritical carbon dioxide processing A method and system for processing a substrate in a film removal system. The method includes providing the substrate in a substrate chamber of a film removal system, where the substrate has a micro-feature containing a dielectric film on a sidewall of the micro-feat... | 07/31/2007 |
| 7246510 | Washing machine Disclosed is a washing machine for preventing leakage of bubbles. The washing machine includes: a housing (10); a tube (20) installed inside the housing (10), for storing washing water, the tub (20) including at least one opening (21, ... | 07/24/2007 |
| 7210182 | System and method for solvent recovery and purification in a low water or waterless wash Method and apparatus for recovering and purifying a solvent used in an article cleaning appliance are provided. The method allows passing solvent-based cleaning fluid from a wash basket through a coarse filter configured to remove relatively large particulates from ... | 05/01/2007 |
| 7140393 | Non-contact shuttle valve for flow diversion in high pressure systems A valve for redirecting flow in a supercritical fluid or other high pressure processing system is disclosed. In high pressure supercritical carbon dioxide (SCCO2) equipment for semiconductor wafer processing, a major hurtle in providing clean equipment and clean waf... | 11/28/2006 |
| 7114508 | Cleaning apparatus having multiple wash tanks for carbon dioxide dry cleaning and methods of using same Cleaning apparatus having multiple wash tanks for washing articles in a carbon dioxide dry cleaning system employing a liquid carbon dioxide cleaning solution are provided. Cleaning apparatus having multiple wash tanks of the present invention may provide improved t... | 10/03/2006 |
| 7097715 | Cleaning system utilizing an organic cleaning solvent and a pressurized fluid solvent The present invention relates generally to cleaning systems, and more specifically to substrate cleaning systems, such as textile cleaning systems, utilizing an organic cleaning solvent and a pressurized fluid solvent. However, unlike conventional cleaning systems, ... | 08/29/2006 |
| 7089768 | Washing machine with conveyor device A cabinet-shaped washing machine includes a conveyor belt to move laundry goods in circulation, with the laundry goods passing through various successive steps of the laundry cycle. Following the actual washing process, a downstream pre-dehumidification as well as a... | 08/15/2006 |
| 7073520 | Washing machine with clog proof lint filter The filter (3) comprises transversal walls (11) forming a labyrinth-like path with the inner surface of a hollow body (6) that is part of the water outlet circuit of the machine. On the peripheral edge of the said transversal walls (11) t... | 07/11/2006 |
| 7043944 | Drum type washing and drying apparatus A drum type washing and drying apparatus comprising: a washing unit including a tub receiving a water for washing laundry and a first drum rotatably installed inside the tub; a drying unit including a second drum rotatably installed in the vicinity of the washing un... | 05/16/2006 |
| 7044143 | Detergent injection systems and methods for carbon dioxide microelectronic substrate processing systems Microelectronic substrate processing systems include a microelectronic substrate processing chamber that is configured to contain therein at least one microelectronic substrate. A carbon dioxide supply system is configured to supply densified carbon dioxide to the m... | 05/16/2006 |
| 7017306 | Containment assembly A containment assembly such as a down flow containment assembly including a barrier means between the processing zone and the operator breathing zone at least a first part of which is provided with flexible gloves for access to and maneuverability in the processing ... | 03/28/2006 |
| 6923121 | Apparatus and method for remoistening a product web An apparatus for remoistening a product web includes at least one applicator for applying a remoistening agent to a printed and at least partly dried product web. A device increases the temperature of the remoistening agent so that contaminants are removed by vapori... | 08/02/2005 |
| 6921420 | Apparatus and methods for conserving vapor in a carbon dioxide dry cleaning system A method for conserving carbon dioxide vapor in a carbon dioxide dry cleaning system employing a liquid carbon dioxide cleaning solution to clean articles, where the method includes removing carbon dioxide vapor from a wash tank to a vapor tank, storing the carbon d... | 07/26/2005 |
| 6904703 | Dry cleaning machine In the dry clearing machine, a common refrigerator is used for both the solvent cooler and the drying cooler, and the coolant compressed and liquefied in the refrigerator is supplied either one of the heat exchanger of the solvent cooler or that of the drying cooler... | 06/14/2005 |
| 6898951 | Washing apparatus The present invention relates to an apparatus for treating, refreshing or cleaning fabric articles, especially articles of clothing, linen and drapery. ... | 05/31/2005 |
| 6851148 | Carbon dioxide dry cleaning system A carbon dioxide dry cleaning system features a pair of liquid carbon dioxide storage tanks in communication with a compressor. A sealed cleaning chamber contains the objects to be cleaned. By selectively pressurizing the storage tanks with the compressor, liquid ca... | 02/08/2005 |
| 6820446 | Sewage disposal agent, sewage purifier, washing machine with purifier, and sewage purifying method A polluted water purifier for collecting a pollutant present in polluted water by flocculating the pollutant with a flocculant has a mixer 5 for mixing the polluted water with the flocculant F and air, an agitator 18 for agitating the polluted water, c... | 11/23/2004 |
| 6820447 | Foreign objects trap for an automatic washer A foreign objects trap is provided for an automatic washer, wherein the washer has a wash tub with an outlet leading to a recirculation pump and drain pump. The trap comprises a container having a water inlet in communication with said tub outlet for defining an ini... | 11/23/2004 |
| 6795991 | Apparatus for conserving vapor in a carbon dioxide dry cleaning system A method for conserving carbon dioxide vapor in a carbon dioxide dry cleaning system employing a liquid carbon dioxide cleaning solution to clean articles, where the method includes removing carbon dioxide vapor from a wash tank to a vapor tank, storing the carbon d... | 09/28/2004 |
| 6666050 | Apparatus for conserving vapor in a carbon dioxide dry cleaning system A method for conserving carbon dioxide vapor in a carbon dioxide dry cleaning system employing a liquid carbon dioxide cleaning solution to clean articles, where the method includes removing carbon dioxide vapor from a wash tank to a vapor tank, storing t... | 12/23/2003 |
| 6591638 | Non-aqueous washing apparatus and method Methods and apparatuses for washing fabric loads without water or using water only as a co-solvent are disclosed. One method of non-aqueous clothes washing includes the steps of disposing clothing in a wash container, delivering a wash liquor to the fabri... | 07/15/2003 |
| 6564593 | Process and system for eliminating oxygen in the internal atmosphere of dry cleaning machines by catalytically burning it with the solvent vapors A process and system for eliminating oxygen in the internal atmosphere of dry cleaning machines by catalytically burning it with the solvent vapors including the process and the relative circuit, which makes the atmosphere within the dry cleaning machine ... | 05/20/2003 |
| 6558622 | Sub-critical fluid cleaning and antimicrobial decontamination system and process A chamber (10) is supplied with a pressurized cleaning agent of carbon dioxide and cosolvents from a first source (12) and an antimicrobial fluid, such as ethylene oxide or hydrogen peroxide from a second source (16). Chamber conditions are maintained in ... | 05/06/2003 |
| 6536061 | Method and apparatus for cleaning oil absorbent materials A method and system for separating oil form oil-absorbent materials for recycle of both the oil and the materials. The method comprises placing the oil absorbent material on a grid over a catch basin to drain, then centrifuging the material to remove addi... | 03/25/2003 |
| 6499322 | Detergent injection systems for carbon dioxide cleaning apparatus A system for the controlled addition of detergent formulations and the like to a carbon dioxide cleaning apparatus comprises: (a) a high pressure wash vessel; (b) an auxiliary vessel; (c) a drain line connecting the auxiliary vessel to the wash vessel; (d... | 12/31/2002 |
| 6474111 | Recycling system for laundry wash water A recycling system for laundry wash water having a collection tank for collecting used wash water. A holding tank connected to the collection tank has heat exchange piping in the interior of the holding tank. A lint/grit separator is connected to the hold... | 11/05/2002 |
| 6442980 | Carbon dioxide dry cleaning system A carbon dioxide dry cleaning system features a pair of liquid carbon dioxide storage tanks in communication with a compressor. A sealed cleaning chamber contains the objects to be cleaned. By selectively pressurizing the storage tanks with the compressor... | 09/03/2002 |
| 6397421 | Methods and apparatus for conserving vapor and collecting liquid carbon dioxide for carbon dioxide dry cleaning A method for conserving carbon dioxide vapor in a carbon dioxide dry cleaning system employing a liquid carbon dioxide cleaning solution to clean articles, where the method includes removing carbon dioxide vapor from a wash tank to a vapor tank, storing t... | 06/04/2002 |
| 6343611 | Reduced energy cleaning appliance The appliance comprises a container for receiving the soiled articles, a circulation pump for distributing a hot liquid to the container, a drain positioned in the container and connected to the pump for emptying the liquid from the container upon complet... | 02/05/2002 |
| 6334340 | Liquified gas dry-cleaning machine with convertible installation configuration A liquified gas dry cleaning system is provided which includes a cleaning vessel for containing a pressurized cleaning fluid and a storage tank for receiving and storing a cleaning fluid supply. The system also includes a cleaning fluid recovery still for... | 01/01/2002 |
| 6332342 | Methods for carbon dioxide dry cleaning with integrated distribution The present invention provides a dry cleaning process that facilitates distribution of detergent and solvent and (optionally) facilitates recovery of cleaning by-products in conjunction with the cleaning of articles at a dry cleaning facility. The process... | 12/25/2001 |
