Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 7985281 | Bubbling bed reactor and a method of separating a gaseous pollutant from a gas A device useful for separating gaseous pollutants, such as sulphur dioxide, from a gas by means of an absorption liquid is disclosed. The device includes a horizontal apertured plate mounted between an inlet and an outlet arranged for passage of a gas containing a g... | 07/26/2011 |
| 7281703 | Liquid-to-gas contact device There is provided a liquid-to-gas contact device comprising: a liquid-to-gas contact medium which is a honeycomb structural body formed of a porous material including a plurality of through channels defined by a plurality of partition walls and extending through the... | 10/16/2007 |
| 7179875 | Method for producing water-absorbent resins In a process for preparing water-absorbent resins based on acrylic acid, crude acrylic acid is firstly isolated from the reaction gases from the catalytic gas-phase oxidation of propane, propylene and/or acrolein. This is treated with an aldehyde scavenger and pure ... | 02/20/2007 |
| 7135058 | Polluted air treatment method and system A system for removing at least one pollutant from an air stream exhaust, the system including a plurality of enclosures through which the air stream exhaust is directed to cool the air stream exhaust, a plurality of barriers within each respective enclosure to imped... | 11/14/2006 |
| 7105034 | Cyclone-type dust collecting apparatus for vacuum cleaner Disclosed is a cyclone-type dust collecting apparatus for a vacuum cleaner, that includes a cyclone body having an air inlet port and an air outlet port, for forming a vortex current of air which is introduced through the air inlet port and contains dust, a dust col... | 09/12/2006 |
| 7101420 | Self cleaning air filtration machine and a method for using the same Self cleaning air filtration machine and a method for using same comprising; a filter with a motor driven belt or disk or counter rotating disks that are perforated, a spray bar, a recirculation pump and supply line, a wet tank, a ultrasonic transducer, ultraviolet ... | 09/05/2006 |
| 7094382 | Method and a device for the separation of sulphur dioxide from a gas A device (1) for separating sulphur dioxide from a gas has an inlet (2) for the gas (4) and an outlet (42) for gas (40), from which sulphur dioxide has been separated. An apertured plate (20) is arranged between the inlet ( | 08/22/2006 |
| 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 |
| 7021089 | Laundry appliance A laundry appliance such as a washing machine includes an outer housing and a drum rotatably mounted therein. The drum has an inner wall and an outer wall separate from the inner wall, the inner and outer walls being perforated to allow washing liquid to flow into a... | 04/04/2006 |
| 6966548 | Vapor/liquid contacting cyclone with secondary vanes This invention is directed to a cyclonic vapor/liquid contacting device and distillation or related mass transfer or heat transfer processes employing its use, such as fluid catalytic cracking. Liquid feed is introduced near the floor of the cyclone via downcomer or... | 11/22/2005 |
| 6923852 | Flue gas desulfurization system with a stepped tray A stepped, perforated tray is provided for increasing the available gas-slurry contact area in a flue gas desulfurization chamber. The tray redirects the horizontal flow upwardly through the tray for increased surface area and contact time with slurry for removing S... | 08/02/2005 |
| 6846348 | Compressor/drier system and absorber therefor A system for delivering dry compressed gas is provided, the gas being separated from any entrained liquid lubricant and then passed through a moisture absorber column to interact with a moisture-removing fluid. The fluid is a liquid lubricant or is maintained in a s... | 01/25/2005 |
| 6679939 | Fractional condensation of a product gas mixture containing acrylic acid In a process for the fractional condensation of an acrylic acid-containing product gas mixture of a gas-phase partial oxidation of C3 precursors of acrylic acid with molecular oxygen under heterogeneous catalysis, the separation column used con... | 01/20/2004 |
| 6623547 | Method for removing sulfuric acid mist and apparatus for removing the same The present invention provides a method for removing sulfuric acid mist wherein a gas containing sulfuric acid mist is bubbled into an absorbing solution through a gas diffuser having pores with an average pore diameter of about 1,000 μm or less. This me... | 09/23/2003 |
| 6391621 | Process for the treatment of organic gas components To provide a process for treating gas for decomposing organic solvent and/or other organic gas contained in exhaust gas effectively and simply at low costs to remove the decomposition product of organic gas by applying other process. The gas can be treate... | 05/21/2002 |
| 6089550 | Mass transfer process A dual flow mass transfer process is provided which employs a dual flow mass transfer tray having perforations, at least some of which are provided with vapor flow deflectors to deflect the flow of vapor rising through the perforations to give the vapor f... | 07/18/2000 |
| 5968346 | Two stage hydroprocessing with vapor-liquid interstage contacting for vapor heteroatom removal A hydroprocessing process includes two hydroprocessing reaction stages, both of which produce a liquid and a vapor effluent, and a liquid-vapor contacting stage. The first stage vapor effluent contains impurities, such as heteroatom compounds, which are r... | 10/19/1999 |
| 5866046 | Method for manufacturing ultra-fine water droplets and device for manufacturing the same This invention relates to a method for manufacturing ultra-fine water droplets containing a large amount of anions and in the present invention, there is provided a permeating cylindrical striking plate for manufacturing ultra-fine water droplets at an in... | 02/02/1999 |
| 5641338 | Air scrubber and method An air scrubber and method for cleaning a stream of air utilizes a horizontal tray (A) together with a passageway (B) for transporting air beneath the trays and directing same upwardly through a perforated bottom of the tray which is supplied with a prede... | 06/24/1997 |
| 5629258 | Flat structural elements and a packing composed of such structural elements A flat structural element has a plurality of openings which are distributed according to a predetermined pattern for use in packings. Every opening is delimited by the edges, which extend at an angle to each other or are curved. The structural element is ... | 05/13/1997 |
| 5518668 | Air stripper arrangement An air stripper assembly includes a housing having at least one sieve tray operatively positioned therein. Each sieve tray is selectively removable from the housing. If more than one sieve tray is positioned within the housing, each is removable without a... | 05/21/1996 |
| 5397381 | Method of cooling and optionally cleaning a hot gas, especially of a gas generated upon combustion or gasification of carbon-containing fuels In a method of cooling and scrubbing a hot gas a hot gas is supplied with a removal pipe into a scrubber. The hot gas is introduced into at least one liquid bath of the scrubber. The hot gas is forcibly dispersed to form small bubbles over at least a port... | 03/14/1995 |
| 5192341 | Selected solvent composition and process employing same In an operation wherein a gaseous stream, such as an air stream, is contacted with a liquid selective solvent for a component of the gaseous stream for the removal of said component from the gaseous stream, improved results are obtain, particularly in a d... | 03/09/1993 |
| 5110325 | Recycle spray gas-liquid contactor This invention relates to a novel gas-liquid contacting apparatus and method utilizing recycle spray contact trays disposed within a substantially vertical vessel. Each contact tray contains one or more housings defined by upstanding vertical wall members... | 05/05/1992 |
| 4948390 | Compressed air modifier An apparatus to introduce a vaporized chemical agent into a compressed air supply system comprising an air inlet (25), a chemical agent storage chamber (15), and an air/chemical agent mixing chamber (13) which includes a baffle means (14) to promote turbu... | 08/14/1990 |
| 4869824 | Bubble plate system for biological purification of air and waste water The outgoing gas or waste water is conveyed through a gas-liquid contact apparatus in which biological purification takes place. A bubble plate-type column (2) is used as gas-liquid contact apparatus. The biomass is distributed over the plates (3) in the ... | 09/26/1989 |
| 4752307 | Contacting gas and liquid An apparatus for contacting gas and liquid is disclosed in which a vessel has fluid inlet means, fluid outlet means and horizontal trays arranged axially spaced apart in the vessel. Each horizontal tray is provided with a plurality of contacting means whi... | 06/21/1988 |
| 4581899 | Synthesis gas generation with prevention of deposit formation in exit lines Deposition of ash in the outlet conduit of a synthesis gas quench chamber is reduced or eliminated by providing a wetted-wall at the mouth and throat of the outlet conduit.... | 04/15/1986 |
| 4358433 | Heterogeneous process A process for promoting heterogeneous chemical and physical reactions in a gas stream using a casing which is substantially liquid and gas tight having a gas inlet in one end and a gas outlet in the other end; nozzle means within the casing having an entr... | 11/09/1982 |
| 4298367 | Method of and device for cleansing in a fibre blanket manufacturing plant In a plant of making a blanket from fibres which are thrown or set together with polymerizable binder particles or droplets onto a perforated conveying belt, a method of cleansing consisting in: associating means for sucking air loaded with fibre dust and... | 11/03/1981 |
| 4231765 | Air cleaning apparatus and method Disclosed is an air cleaning apparatus having a rectangular enclosure with air inlet and outlet passages and internal lower and upper baffles which sequentially direct inlet air through lower and upper water curtains which are provided by a recirculating ... | 11/04/1980 |
| 4209502 | Heterogeneous process An apparatus and process for promoting heterogeneous chemical and physical reactions in a gas stream using a vertical casing which is substantially liquid and gas tight having a gas inlet in the upper portion; means in the upper portion of the casing for ... | 06/24/1980 |
| 4183902 | Wet process for removing specific component from gas Disclosed is a wet process for efficiently and economically removing a specific gas component and/or solid component from a gas containing the same wherein the gas is countercurrently contacted with a scrubbing liquid in a perforated or grid plate column ... | 01/15/1980 |
| 4121541 | Process for purifying flue gases A process is provided for removing pollutants from flue gases generated in a steam generating power plant. The flue gases are partially cooled and directly contacted with a portion of the cooling water of a circulating cooling water system used to remove ... | 10/24/1978 |
| 4115080 | Separation process A method for separating contaminants from steam is disclosed. The method comprises conveying water at the saturation temperature of the contaminated steam into an enclosed treatment scrubber containing a plurality of baffles. The water is continuously pas... | 09/19/1978 |
| 4104041 | Apparatus and method for treating waste gas from urea prilling tower This invention relates to a process for treating the waste gas discharged from a urea prilling tower and an apparatus therefor. More particularly, this invention relates to a process for treating the waste gas discharged from a urea prilling tower and an ... | 08/01/1978 |
| 4098582 | Method of accelerating contact reactions in fluids and apparatus therefor In a method of operating such chemical and physical reactions as oxidation, reduction, absorption, mixing, heat exchanging, deodorizing of a fluid or fluids, an improved method of performing a multi-effect operation of any one of a combination of such che... | 07/04/1978 |
| 4096236 | Gas scrubbing method A scrubbing system including scrubbers having straight through or direct line gas flow, with steam pretreatment of the gases supplied to the scrubber. The scrubbing solution may be recycled. Where steam is present in the process, the effluent gas is parti... | 06/20/1978 |
| 4073686 | Biological process for scrubbing smokehouse smoke A biological process removes organic smoke particles from meat smokehouses. The effluent gases pass upward through a column containing an air-pervious filler material sprayed with a circulated solution of enzymes and dispersed bacteria. The organic matter... | 02/14/1978 |
| 4014668 | Waste disposal structure and system A single building contains trash processing, trash burning, gas treating, and solids treating systems for substantially pollution free disposal of combustible trash material. The building contributes functionally to the gas treating system while presentin... | 03/29/1977 |
