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| Number | Title | Issue Date |
| 8137853 | Membrane humidifier for a fuel cell A membrane humidifier for a fuel cell with a wet side plate having a plurality of flow channels formed therein and a dry side plate having a plurality of flow channels formed therein, the flow channels of the wet side plate adapted to facilitate a flow of a wet gas ... | 03/20/2012 |
| 7875396 | Membrane humidifier for a fuel cell A membrane humidifier for a fuel cell is disclosed, wherein a pressure drop in the humidifier is minimized and a humidification of a proton exchange membrane in the fuel cell is optimized. ... | 01/25/2011 |
| 7294278 | Method for oxygenating wastewater A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo... | 11/13/2007 |
| 7246793 | Carbonic water production apparatus and carbonic water production method A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatus 3 and a circulation pump 1 wherein water in a bath 11 is circulated by the circulation pump 1, and a carbonic acid gas is fed into the carbonic a... | 07/24/2007 |
| 7229067 | Foam-generating assembly and foam generator used therein A foam-generating assembly for use in generating a nitrogen-containing foam useful in preventing or extinguishing fires includes a foam generator, a first tank containing a foamable aqueous liquid and a second tank containing nitrogen gas, the foam generator includi... | 06/12/2007 |
| 7178793 | Replacement evaporative element and clip system for a humidifier An evaporative element and clip system for supporting the evaporative element in a humidifier includes a humidifier housing having an evaporative element support and an evaporative element having a water retaining media layer and at least one support layer, where th... | 02/20/2007 |
| 7157059 | Reduction device for nitrate determination A nitrate reduction device has a cadmium structure forming a plurality of longitudinal channels within a flow chamber, which may be formed by a plurality of wires. The device is used to reduce nitrate to a final nitrite product for analysis. ... | 01/02/2007 |
| 7073782 | Humidifier The present invention is a family of portable humidifiers. Each of the portable humidifiers has a housing, a number of wick assemblies, and a fan. The housing has an air inlet, an air outlet and a reservoir for holding water. The number of wick assemblies are positi... | 07/11/2006 |
| 7008535 | Apparatus for oxygenating wastewater A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo... | 03/07/2006 |
| 6908547 | Membrane module for gas transfer and membrane supported biofilm process An apparatus to transfer gas to or from a liquid has a flexible and oxygen permeable but liquid water impermeable membrane, a flexible and gas permeable spacer, an inlet conduit, an outlet conduit and a non-rigid restrain system. When used for treating wastewater, a... | 06/21/2005 |
| 6886814 | Adaptable evaporative element for a humidifier An adaptable evaporative element for a humidifier or the like is described. The evaporative element having separable layers, such that the thickness of the evaporative element is adaptable by varying said evaporative element between a separated and an unseparated co... | 05/03/2005 |
| 6881387 | Reactor distribution apparatus and quench zone mixing apparatus A quench zone mixing apparatus (16) that occupies a low vertical height and has an improved mixing efficiency and fluid distribution across the catalyst surface includes a swirl chamber (20), a rough distribution network (100), and a distributio... | 04/19/2005 |
| 6790408 | Fragrance emitting device A method and device are provided for preventing the habituation of a fragrance composition. The method and device are adapted to provide to a space, which it is desired to fragrance, a continuous supply of a first fragrance composition and a periodic supply of a sec... | 09/14/2004 |
| 6613182 | Light attenuating evaporative cooling pad The present invention comprises a evaporative cooling pad and method of making the same. The cooling pad features a non-reflective, non-light transmissive surface finish incorporated directly into the cooling pad. In one embodiment, this surface finish wo... | 09/02/2003 |
| 6607785 | Bubbler Disclosed are dual chambered bubbler designs for use with solid organometallic source material for chemical vapor phase deposition systems, and a method for transporting a carrier gas saturated with source material for delivery into such systems.... | 08/19/2003 |
| 6568662 | Adaptable evaporative element for a humidifier An adaptable evaporative element for a humidifier or the like is described. It includes an evaporative element having at least one fold, such that the size of the evaporative element is adaptable by varying said evaporative element between a folded and an... | 05/27/2003 |
| 6533253 | Light attenuating evaporative cooling pad The present invention includes a evaporative cooling pad and method of making the same. The cooling pad features a non-reflective, non-light transmissive surface finish incorporated directly into the cooling pad. In one embodiment, this surface finish wou... | 03/18/2003 |
| 6475340 | Solid phase extraction membrane A wet-laid, porous solid phase extraction sheet material that contains both active particles and binder and that possesses excellent wet strength is described. The binder is present in a relatively small amount while the particles are present in a relativ... | 11/05/2002 |
| 6390453 | Method and apparatus for delivery of fragrances and vapors to the nose A method and apparatus is disclosed which employs a pulse-controlled microdroplet fluid delivery system for precisely dispensing fragrances and other odor producing vapors. The pulse-controlled fluid delivery device is capable of ejecting microdroplets of... | 05/21/2002 |
| 6258170 | Vaporization and deposition apparatus The invention relates to an apparatus and process for the vaporization of liquid precursors and deposition of a film on a suitable substrate. Particularly contemplated is an apparatus and process for the deposition of a metal-oxide film, such as a barium,... | 07/10/2001 |
| 6168140 | Air treating device The present invention relates to an air treating device to be used for prevention of drying of air or cleaning of air, convenient for carrying and yet capable of humidifying the air in a room as required, by being disposed in the air feed unit of an equip... | 01/02/2001 |
| 6158721 | Apparatus and method for adding carbon dioxide gas to ultra pure water A small flow of a water with a high carbon dioxide content (normally a carbon-dioxide-saturated water) is produced using hollow-fiber membranes, and is uniformly mixed with a large flow of untreated water with constant proportions. Since the hollow-fiber ... | 12/12/2000 |
| 6149141 | Portable evaporative humidifier apparatus A humidifier including a housing defining an air inlet, an air outlet, an air flow path between the inlet and outlet and a liquid reservoir; a blower system for producing air flow between the inlet and the outlet; and a retainer removably mounted in the h... | 11/21/2000 |
| 5955008 | Pad shield for single inlet evaporative coolers A preformed non-ferrous shield which will fit against but stand off of the interior side walls of the wet section of a single inlet evaporative cooler. It has molded in air access channels in one side. These air access channels permit the differential in ... | 09/21/1999 |
| 5946931 | Evaporative cooling membrane device An evaporative cooling membrane device is disclosed having a flat or pleated plate housing with an enclosed bottom and an exposed top that is covered with at least one sheet of hydrophobic porous material having a thin thickness so as to serve as a membra... | 09/07/1999 |
| 5932147 | Turbo driven air freshener and method therefor The air freshener device is adapted to be mounted on a ventilation duct in a vehicle or other closed space. The housing has a front side and a back side and respective input and output air ports defined thereon. Forced air, expelled from the ventilation d... | 08/03/1999 |
| 5882416 | Liquid delivery system, heater apparatus for liquid delivery system, and vaporizer A liquid delivery system for delivery of an initially liquid reagent in vaporized form to a chemical vapor deposition reactor arranged in vapor-receiving relationship to the liquid delivery system. The liquid delivery system includes: (a) an elongate vapo... | 03/16/1999 |
| 5711816 | Source reagent liquid delivery apparatus, and chemical vapor deposition system comprising same A process and apparatus for delivering an involatile reagent in gaseous form, wherein an involatile reagent source liquid is flash vaporized on a vaporization matrix structure at elevated temperature. A carrier gas may be flowed past the flash vaporizatio... | 01/27/1998 |
| 5704832 | Air conditioner control assembly An air conditioning vent cover assembly to be disposed over an outlet vent of an air conditioner duct, and including a frame structured for secure, fitted engagement over the outlet vent. The frame itself includes an exterior face having a plurality of op... | 01/06/1998 |
| 5695117 | Evaporative air conditioning system An evaporative device for cooling a stream of air for cooling a space into which the air is discharged. The device includes psychrometric sensors installed in the air stream which provide signals to either an analog or a digital microprocessor control dev... | 12/09/1997 |
| 5547616 | Device for dispensing a volatile active ingredient A dispensing device for dispensing a volatile active ingredient from an air-transmitting substrate that forms a part of a refill assembly. The dispensing device includes a housing with an intake vent and an exit vent and an air flow path extending between... | 08/20/1996 |
| 5536323 | Apparatus for flash vaporization delivery of reagents A process and apparatus for delivering an involatile reagent in gaseous form, wherein an involatile reagent source liquid is flash vaporized on a vaporization matrix structure at elevated temperature. A carrier gas may be flowed past the flash vaporzation... | 07/16/1996 |
| 5460755 | Packing elements, a pack, a method of constructing a pack, and a method for installing a packing in an evaporative cooler A combination splash/trickle pack for an evaporative cooler, which comprises packing elements 10,12 made from expanded metal or plastics sheets. The packing elements 10,12 are arranged such that in use they form a stack of packing elements within the cool... | 10/24/1995 |
| 5372752 | Packing elements, a pack, a method of constructing a pack, and a method for installing a packing in an evaporative cooler A combination splash/trickle pack for an evaporative cooler, which comprises packing elements 10,12 made from expanded metal or plastics sheets. The packing elements 10,12 are arranged such that in use they form a stack of packing elements within the cool... | 12/13/1994 |
| 5340651 | Glass fiber evaporative cooler media, method of forming same, use thereof in an evaporative cooling method, and an evaporative cooler apparatus utilizing glass fiber cooling media Hydrophilic glass fibers are formed by coating glass fibers with a blend of an amine-aldehyde with an acrylic. Evaporative cooler pads are produced by coating glass fibers with a blend of an acrylic and an amine-aldehyde during hot melt spinning of the gl... | 08/23/1994 |
| 5075047 | Spray pad humidifier A spray pad humidifier including a housing having two side wall portions extending perpendicular to each other along one edge, and being interconnected along the opposite edge by an arcuate wall. One of the side wall portions is provided with an opening c... | 12/24/1991 |
| 5030390 | Process for cooling water in an inflated fabric cooling dome A relatively low first cost process for cooling a warm liquid usually water, with a gas, usually air, comprises inflating a fabric dome through which inflating gas passes, while warm liquid is passed over the dome thus causing intimate mixing of liquid an... | 07/09/1991 |
| 5015451 | Process, filter and device for making available high-quality breathing air The invention refers to a process, a filter, as well as a device for the elimination of bacteria and/or viruses and/or fungi and/or spores and/or germs and/or allergens and/or pollutants and/or odors, etc from the breathing air by means of a filter consis... | 05/14/1991 |
| 5015370 | Apparatus and method for treating well water An apparatus and method for treating well water to remove dissolved minerals and entrained gases. An aerator is disposed within a well, the aerator being located being the frost line and the water table. Water from the reservoir within the well and/or fro... | 05/14/1991 |
| 4968457 | Non-circulating water system for evaporative coolers A non-circulating water system for use in evaporative coolers which incorporates a timing means in conjunction with a valve means, to control the flow of water to the pads. It applies measured amounts of water to the pad and allows measured amounts of tim... | 11/06/1990 |
