Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7374604 | System and method for flue gas treatment The present invention discloses a system for flue gas treatment, wherein the provided system comprises a quench module, a first control module, a filter collecting module, a wet scribing module and a regeneration module. In this system, parts of the particles contai... | 05/20/2008 |
| 7341701 | Method, apparatus and plant for treating culinary gaseous effluents A method and apparatus (22) for treating culinary gaseous effluents (Eg) carried in an air extraction duct of a kitchen, the apparatus includes: a unit (24) for storing in liquid form a nucleophilic active product (Pa... | 03/11/2008 |
| 7326284 | Contamination control system and air-conditioning system of a substrate processing apparatus using the same An air-conditioning system of a substrate processing apparatus includes an air inlet line for providing air to a clean room. A contamination control apparatus for removing contaminants in the air is connected to the air inlet line. A controller controls temperature ... | 02/05/2008 |
| 7309376 | Method and installation for producing breathable air The invention relates to a process for producing respirable air comprising the following stages: treatment of compressed air comprising an air-drying operation; and rehumidification of the treated dry air. According to the invention, the rehumidification stage of th... | 12/18/2007 |
| 7147692 | Air cleaning apparatus and method for cleaning air The method involves contacting the air with an aqueous or non-aqueous liquid in a stand-alone system. The air may be brought into contact with the liquid using a number of different types of apparatus, including a packed column scrubber. The liquid may be non-evapor... | 12/12/2006 |
| 7132008 | Natural gas dehydration apparatus A process and corresponding apparatus for dehydrating gas, especially natural gas. The process includes an absorption step and a membrane pervaporation step to regenerate the liquid sorbent. ... | 11/07/2006 |
| 7101425 | Washer and method for purifying gases In a washer for cleaning gases that contain particulate and/or gaseous impurities, the gases are conveyed through an absorption column that is sprayed with washing fluid. An additionally provided jet pump (7) operates with the washing fluid, wherein said jet ... | 09/05/2006 |
| 7025336 | Apparatus for removing particulates from a gas stream Particulates are removed from a gas stream by contact with a liquid. The gas stream is conveyed through an inlet channel, towards a liquid reservoir which is located below a perforated sheet. Gas flowing through holes in the sheet creates a pressure drop between the... | 04/11/2006 |
| 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 |
| 6926756 | Method and apparatus for controlling the operation of a scrubber A method and system to control the operation of a scrubber, in which, the system includes a valve to control the flow of an exhaust from a tool, a sensor to determine whether the valve is open or closed and a controller to control the operation of the scrubber depen... | 08/09/2005 |
| 6905537 | Machine and process for filterless removal of particles and organisms from ambient air, carpets and furnishings A machine and process for filterless wet removal of particles from air, carpets or upholstery, comprised of a suction inlet pipe or other contained conveyance for drawing particle laden air and solvent fluid simultaneously into an impeller, an injection orifice for ... | 06/14/2005 |
| 6899750 | Method and apparatus for cleaning a gas A system and method of cleaning a gas of undesired particulate, aromas, and gases is disclosed. The invention uses a centrifugal scrubbing space to liquid wet a gas and includes a container for containing a liquid with a pump to circulate the liquid. The gas is pump... | 05/31/2005 |
| 6843835 | Air cleaning apparatus and method for cleaning air An air cleaning apparatus is disclosed which, in one embodiment, has: an inlet for ambient air; an outlet for purified air; a mechanism for the uptake of a scrubbing liquor and for the removal of impurities dissolved or dispersed in the ambient air by contact with s... | 01/18/2005 |
| 6702876 | Ion exchange scrubber An ion exchange scrubber has a housing, and a partition plate installed within the housing. The partition plate partitions an inner space of the housing in longitudinal direction into two chambers that are filled with a predetermined amount of aqueous sol... | 03/09/2004 |
| 6544320 | Air-cleaning apparatus An air cleaning apparatus draws air through a convoluted air channel defined by a plurality of non-permeable baffles. The baffles are arranged so that the air stream must change direction several times before exiting the apparatus. A fluid curtain is disp... | 04/08/2003 |
| 6521027 | Air cleaner An air cleaner includes a scrubber, a water purifier and a water feeder. The scrubber includes a housing being provided with a central tank and an air outlet. A barrel is disposed inside the housing so as to form a scrubbing room with the central tank. An... | 02/18/2003 |
| 6497751 | Water-based paint recycling method It is an object of the present invention to provide a water-based paint recycling method with which there is no need to set up the water-based paint application booth close to the condensing separator, which affords greater freedom in installation. The pr... | 12/24/2002 |
| 6386521 | Basement water injection/evaporation system A system and method for recycling basement water to cool hot gases released from an exhaust stack is disclosed having a storage tank for collecting and storing basement water, one or more spray nozzles attached to the interior of the exhaust stack, and on... | 05/14/2002 |
| 6375724 | Humidifilter The invention is a humidification and filtration mask having an open cell foam reservoir attached to the facial or inner surface of a paper filtration mask. The reservoir provides for evenly wetting the paper mask by capillary action, after being charged ... | 04/23/2002 |
| 6350302 | Air filtration system An air filtration system for filtering smoke from the air. The system includes a filter tank for holding a volume of water. A bulkhead wall therein divides the filter tank into first and second compartments and has a hole therethrough to permit passage of... | 02/26/2002 |
| 6306197 | Isopropyl alcohol scrubbing system A system and method for treating process gas streams containing isopropyl alcohol (IPA) to reduce the concentration of IPA therein. The invented system includes a scrubber unit that receives a process stream containing a concentration of IPA and reduces t... | 10/23/2001 |
| 5641460 | Gas-liquid contactor and wet flue-gas desulfurization system This invention relates to a gas-liquid contacting device for efficiently bringing a gas into contact with a slurry solution, and a wet flue-gas desulfurization system using the contacting device. The contacting device incorporated in the system comprises ... | 06/24/1997 |
| 5593469 | Exhaust gas scrubber A misting assembly for an exhaust gas scrubber tower which includes an elongated central member, a plurality of perforated baffle plates affixed to the elongated central member at spaced apart distances thereto such that the perforations from each baffle ... | 01/14/1997 |
| 5551965 | Apparatus for separating and removing a dangerous substance from an exhaust gas In order to separate and remove a dangerous substance such as yellow phosphorus from exhaust gas generated in a semiconductor fabricating process by chemical vapor deposition, the exhaust gas is bathed in operating oil of a cooled oil tank of an oil-seale... | 09/03/1996 |
| 5545239 | Painting installation A painting installation has an enclosure and a perforated floor. Air flows downwards inside the enclosure and is mixed with a liquid. Excess paint is extracted from the resulting mixture of the liquid plus excess paint particles from the air. At the same ... | 08/13/1996 |
| 5531801 | Liquid spray air purification and controlled humidification apparatus with air quality monitor and controller A water spray-based air purification system having a humidification portion and a dehumidifying portion is operatively installed in an air handling unit used to recirculate air within a conditioned space. A blower within the air handling unit housing oper... | 07/02/1996 |
| 5531800 | Liquid spray air purification and controlled humidification apparatus An automatically controlled water spray-based air purification system having a humidification portion and a dehumidifying portion is operatively installed in an air handling unit used to recirculate air within a conditioned space. A blower within the air ... | 07/02/1996 |
| 5464458 | System for purifying exhaust gas A system for purifying exhaust gas comprising a cylindrical body portion formed by continuously arranging a plurality of chambers in line, a nozzle for jetting a pressurized fluid into at least one chamber, a pressure device for feeding the fluid through ... | 11/07/1995 |
| 5407456 | Exhaust gas purifying device for vehicles An exhaust fume purifying device includes a separator for receiving exhaust fumes and cooling water from the engine of a vehicle to mix the exhaust fumes and water so as to dissolve the toxic component of the exhaust fumes and allow cleaned gas separated ... | 04/18/1995 |
| 5389120 | Heating, ventilation and air conditioning unit with automatically controlled water spray air purification system An automatically controlled water spray air purification system is incorporated in a heating, ventilating and air conditioning unit serving a conditioned interior building space. The purification system is operative to receive a portion of the return air ... | 02/14/1995 |
| 5298043 | Filter system for smoke or polluted air A filter system for smoke or polluted air comprises a smoke or polluted air filter device, a bag filter device, and a water treatment device. A duct and a plurality of power sprayers are provided in the smoke or polluted air filter device to remove harmfu... | 03/29/1994 |
| 5294235 | Device for the supply, distribution and moistening of gas in a gas-cleaning or decomposition installation The device has a base plate (3) equipped to receive bulk material, composed by one or more gas distribution plates, which has gas outlet openings (10) distributed over the plate surface, further it has gas distribution chambers (6) provided on the bottom ... | 03/15/1994 |
| 5226935 | Air humidification apparatus A movable device for improving the indoor air-environment comprising a water pump, a substantially vertical sheet element (10, 11, 12) which is so arranged that a free falling curtain-like stream of water (17) is formed at the upper end of the sheet eleme... | 07/13/1993 |
| 5192345 | System and process for the purification treatment of smokes, dusts and exhaust gases after combustion The system according to the present invention comprises a hood or a cone provided above smokestacks, industrial chimneys, flues and nearby exhaust-pipes, for leading smokes, dusts and gases, by means of a suction fan, into a serpentine duct provided with ... | 03/09/1993 |
| 5145498 | Smoke stack exhaust system A water-spray gas-scrubbing device of water-cooled metallic construction for use with a processing facility producing gases containing extractable particulate waste and having a conduit for the gases, and a gas-scrubbing chamber in which the combustion ga... | 09/08/1992 |
| 5039313 | Method of and apparatus for the cleaning of the exhaust air of a paint-spray or lacquer-spray booth The exhaust air from a paint-spray or lacquer spray booth is cleaned after passing through the grate bottom thereof directly to a wet electrostatic filter. The air which is sprayed with atomized water immediately before entering the wet electrostatic filt... | 08/13/1991 |
| 5004486 | Submerged-type gas cleaning system A gas cleaning system includes a combustion equipment, a heat exchanger for cooling a flue gas discharged from the combustion equipment, an exhaust fan sucking the gas from the heat exchanger and directing the gas into a bubbling dust separator submerged ... | 04/02/1991 |
| 4990166 | Gas stream purifying equipment Apparatus for purifying a gas stream such as air laden with particulate matter and containing unwanted contaminant gases. A bladed rotor supporting a perforated tube therein is positioned near the bottom of a water column and is revolved at critically hig... | 02/05/1991 |
| 4959084 | Combined air and water pollution control system A bioaquatic air pollution control system for controlling both water and atmospheric pollution. The pollution control system includes an exhaust for directing polluted gases out of a furnace and a fluid circulating system which circulates fluid, such as w... | 09/25/1990 |
| 4949652 | Waste disposal system This invention is directed at an infectious waste incinerator system using primary and secondary combustion chambers to reduce the waste to gaseous and particulate matter. Which is passed through a waste heat recovery boiler reduces the temperature of the... | 08/21/1990 |
