Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| 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 |
| 7347889 | Ultrasonic solution separator An ultrasonic solution separator including an ultrasonic atomization chamber supplied with a solution containing a target material; an ultrasonic oscillator producing mist from the solution in the ultrasonic atomization chamber with ultrasonic oscillation; a power s... | 03/25/2008 |
| 7329298 | Filter A filter for exhaust gases produced by an internal combustion engine, and a method of using such a mat on a vehicle. The filter is a mat of fibers enclosed within a metal gauze. Preferably, the mats are corrugated and spaced apart within a housing such that exhaust ... | 02/12/2008 |
| 7282087 | Wetted particle and droplet impingement surface An inert impingement surface that is pliable and which, when set in motion, works to shed itself of particle deposits. The pliable surface may be formed of a plurality of coactive members that co-operate with one another to clean-off the particle deposits from each ... | 10/16/2007 |
| 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 |
| 6932850 | Pleated filter and a method for making the same A filter may comprise a plurality of pleats, at least one pleat including a pair of pleat legs and pleat tip region. In some embodiments, a thickness of pleat tip region at a point spaced about one to four pleat leg thicknesses from the end of the pleat tip region m... | 08/23/2005 |
| 6827765 | Scrubber for reducing siliciferous byproducts A scrubber for removing particles from waste gas. The scrubber comprises a chamber and a water-injecting device. The chamber has an outlet, an inlet connected to a gas inlet pipe, and a plurality of sprayers connected to a water source to spray water into the chambe... | 12/07/2004 |
| 6805734 | Compact cascade scrubber for scrubbing exhaust gas This invention relates to a cascade-type scrubber, with which the wet scrubbing of the exhaust gas and removal of droplets from the gas can be performed in one and the same scrubber, producing a pure, dropless gas. It is thus essential that the cascade tubing typica... | 10/19/2004 |
| 6767387 | Apparatus and method for removing particles from gas expelled during heat treatment process A gas treatment device comprises an oxygen-mixed unit, a treatment unit, a working fluid and a sprayer. The sprayer has an inner wall and a plurality of nozzles circumferentially arranged on the inner wall. The nozzles are used for outputting the working fluid to fo... | 07/27/2004 |
| 6565636 | Exhaust cleaning device An exhaust cleaning device for removing a portion of carbon containing molecules from exhaust. The exhaust cleaning device includes a tubular member which is elongate and has a first end and a second end. The first and second ends are placed in communicat... | 05/20/2003 |
| 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 |
| 6451096 | Air cleaner for removing air pollutants by water spray type of dust collecting system An air cleaner for removing air pollutants by a water spray type of dust collecting system, which includes a dust collecting part and an air and water separating part in the interior of an air duct, the dust collecting part composed of primary and seconda... | 09/17/2002 |
| 6447585 | Closed system for volatile organic compound recycling In the method and system of the instant invention, volatile organic compounds (VOCs) liberated in the course of solvent-based painting of a workpiece, are recovered. The atmosphere within a closed spray-booth is maintained at a fixed humidity such that va... | 09/10/2002 |
| 6267804 | Wet gas stripper A wet gas stripper is provided for separating particulate matter entrained in a moving gas stream. The gas stripper includes a housing having a plurality of walls, and a gas inlet for receiving the moving gas stream into the housing and a gas outlet throu... | 07/31/2001 |
| 6267805 | Apparatus for scrubbing a continuous flow of gas charged with solid particles The invention relates to an apparatus for scrubbing with water a continuous flow of charged gas, the apparatus including a scrubbing chamber; an inlet via which the scrubbing water is fed into the scrubbing chamber; a scrubbing throat for mixing the scrub... | 07/31/2001 |
| 6241809 | Apparatus and method for liquid scrubbing contaminants from a gas flow A scrubber more effectively mixes air or gas with water or a liquid cleaning agent to entrain and thereby clean contaminants from an airflow. An improved baffle-defining structure forces a more complete interaction between the air and water and buffets th... | 06/05/2001 |
| 6217640 | Exhaust gas treatment apparatus An exhaust gas treatment apparatus for treating exhaust gases generated in semiconductor manufacturing processes. It includes a main pipe, a U pipe, a discharge pipe and a tank. The main pipe has an inlet to receive exhaust gases, a heater surrounding the... | 04/17/2001 |
| 6197093 | Method and apparatus for the purification of waste gas of a drying apparatus The exhaust gas enters via an exhaust gas line into a washing apparatus. In the washing apparatus solid matter particles are predominantly separated. The pre-washed exhaust gas flows from the washing apparatus through a droplet removing conduit to a trick... | 03/06/2001 |
| 6187080 | Exhaust gas treatment apparatus including a water vortex means and a discharge pipe An exhaust gas treatment apparatus for treating exhaust gas generated in semiconductor manufacturing processes. It includes a main pipe, a gas vortex means, a water vortex means, an U pipe and a discharge pipe. The main pipe transforms the exhaust gases t... | 02/13/2001 |
| 6176898 | Method and system for collecting and handling dust in a papermachine environment An improved process and system for collecting and handling dust in a papermaking machine environment wherein dust-laden air is drawn into and moves along an elongated collector by way of a vacuum-generating source connected to the collector involves the i... | 01/23/2001 |
| 6132497 | Dust suppression system A dust suppression system for suppressing dust associated with a movement of dust producing material along an open conduit may include a hood assembly positioned adjacent the open conduit so that the hood assembly defines an interior chamber that is expos... | 10/17/2000 |
| 6059865 | Apparatus for removing odor from animal confinement buildings Apparatus for removing odor from the air exhaust of animal confinement buildings is described. One embodiment of the apparatus includes a plenum housing attached to an existing exhaust fan on an animal confinement building. The plenum housing has an entra... | 05/09/2000 |
| 6019819 | Apparatus and method for extracting heat from contaminated waste steam Disclosed is a contaminated waste steam heat recovery apparatus 10 and method therefore which includes a primary condensing unit 38, a low pressure water washing unit 26, a liquid to liquid heat exchanger 36 and a vent fan 31. Waste gas is ducted from fry... | 02/01/2000 |
| 6019818 | Combination quenching and scrubbing process and apparatus therefor Quenching and scrubbing are accomplished simultaneously in a single downflow apparatus which functions both as an adiabatic quencher and a packed bed scrubber. A special feature of the quencher/scrubber is a hot-cool interface which is effective in contro... | 02/01/2000 |
| 5972078 | Exhaust rinse manifold for use with a coating apparatus Exhaust components of a coating apparatus can be cleaned to remove coating material therein and/or can be periodically treated so as to prevent the buildup of coating material with exhaust components. Moreover, coating materials and cleaning liquids can b... | 10/26/1999 |
| 5897690 | Vapor recovery system for hydrocarbon storage tanks A vapor recovery system for hydrocarbon storage tanks captures VOCs (volatile organic compounds) which would otherwise escape to the atmosphere, thereby reducing pollutant emissions to the environment. The system includes a wash chamber, where the VOC vap... | 04/27/1999 |
| 5803955 | Apparatus for dust control An apparatus for controlling dust generated during a material transfer operation includes an environmental enclosure surrounding a conveyor bed, the enclosure having a series of baffles creating scrubbing chambers in which dust particles are agglomerated ... | 09/08/1998 |
| 5683476 | Flow line venturi scrubber A stream of gas contaminated with particulate material is wetted by a liquid spray in a scrubber manifold. Positioned downstream of the liquid spray in the manifold is a bed of wire filaments extending transversely across the manifold and cocurrent with t... | 11/04/1997 |
| 5656046 | Inlet awning for high velocity absorbers A high velocity gas absorber for desulfurization of flue gas has a uniquely formed awning and inlet having an inclined awning extending upwardly from the inlet at an angle between 5 and 20 degrees and having strategically placed triangularly shaped gutter... | 08/12/1997 |
| 5261936 | Gas treating apparatus This invention provides an apparatus for treatment or refinement of organic or inorganic material. The apparatus comprises a gas washing unit, a first chamber formed at the bottom of the gas washing unit, a second chamber formed at the top of the gas wash... | 11/16/1993 |
| 4986838 | Inlet system for gas scrubber An effluent gas scrubbing system is disclosed having an improved scrubber inlet system including a transition tube having a fluted lower portion for directing particulate carrying gas into the mist saturated scrubbing chamber of a gas scrubber, a fluid re... | 01/22/1991 |
| 4846858 | Apparatus for evaporating a liquid in a gas stream An apparatus for evaporating a liquid in a gas. It comprises a mixing chamber, a fan for forcing the gas through the mixing chamber, a fluid intake for introducing liquid into the mixing chamber where it is evaporated in the gas, and an opening for discha... | 07/11/1989 |
| 4695298 | Apparatus for cleaning solids-laden gas A solids-laden gas is cleaned by introducing a condensing fluid in the gas to saturate the gas and allowing liquid to condense on the solids to form enlarged particles. Liquid separated from the gas with enlarged particles is then atomized in the gas to f... | 09/22/1987 |
| 4345916 | Means and method for removing airborne particulates from an aerosol stream Disclosed herein is a method for removing airborne particulates from an aerosol stream by first humidifying said aerosol with steam, and then cooling said aerosol with water to saturation temperature. Thereafter, the saturated aerosol is adiabatically coo... | 08/24/1982 |
| 4095964 | Scrubber tower An improved scrubber tower is provided for removing pollutants from hot, corrosive off-gases from chemical processes, such as processes for the production of titanium dioxide pigments. The tower is formed from wood strip baffles treated with fire resistan... | 06/20/1978 |
| 4050912 | Apparatus for cooling hot gases There is provided an efficient, economical apparatus for cooling hot gases which includes three generally cylindrical, tubular members arranged in an upstanding U-shaped configuration. The hot gases are introduced downwardly into the first leg or member o... | 09/27/1977 |
