Class 34/343 - With addition of heat to drying process

Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Process wherein external heat is added to the drying process
No. of patents: 28
Last issue date: 10/30/2007

Number	Title	Issue Date
7288201	Methods for removing moisture from hydrogen halides A composition comprising a magnesium halide coated macroporous carbonaceous substrate is provided for effecting moisture removal from a hydrogen halide fluid. Moisture removal is effected by intimately contacting the hydrogen halide fluid with the magnesium halide c...	10/30/2007
7008464	Dehydration of wet gas utilizing intimate contact with a recirculating deliquescent brine A system for removing moisture from a wet gas stream including a vessel having a contact area containing deliquescing salts that produces brine as water is absorbed, the brine flowing to a collection area in the bottom of the vessel. A venturi positioned in a wet ga...	03/07/2006
7000332	Pulse purge regenerative gas dryer A gas drying apparatus is provided having at least two desiccant-containing towers which alternately receive moisture-saturated air from an inlet to be dried during a drying phase, and then receive dry air during a regeneration phase to regenerate the desiccant whic...	02/21/2006
6915660	Method and system for liquefaction monitoring A method and system for liquefaction monitoring of a gas in a gas piping system in which pressure and temperature information about the gas is gathered and the liquefaction status of the gas is determined and reported. ...	07/12/2005
6887389	Method and apparatus for recycling sewage sludge utilizing spent water-softener lime A method and apparatus are disclosed for mixing sewage sludge with spent water-softener lime in a ratio of approximately 10:1 on a wet basis. The mixture is introduced to a rotary pre-dryer kiln and a rotary combuster kiln to kill pathogens. An ash by-product and ga...	05/03/2005
6772534	Apparatus and method for moisture control An apparatus for removing moisture from air which includes a moist air inlet area, a dry air outlet area, a regeneration air inlet area, a regeneration air outlet area and a desiccant medium. A drying fan is provided for drawing the moist air through the moist air i...	08/10/2004
6769198	Conditioning device to change the moisture content of printing stock A conditioning device to change the moisture content of printing stock, in which the stock is brought into contact with at least one endless cloth that absorbs moisture. The endless cloth is heated by heated transport rolls. A reduction of the moisture content contr...	08/03/2004
6729039	Process dehumidifier regeneration control method and apparatus A method and an apparatus for controlling airflow in a desiccant drying system having two desiccant beds (10, 12). A first diverter valve (14) communicates with each of the desiccant beds, a regeneration air inlet (22), and a press air outlet (	05/04/2004
6675495	Method for drying saw timber and device for implementing said method The invention relates to a process for drying wood, characterized in that it comprises a pressurizing step to place a sealed chamber (1) under a predetermined pressure by injecting or generating saturating steam and maintaining this pressure for a predete...	01/13/2004
6453576	Control of solids deposition from used desiccant solution In a gas dryer for use in a gas transmission line in which a bed of desiccant tablets is suspended in the flow of gas, making an aqueous solution of the desiccant salts from the moisture taken from the gas, the solution is inhibited from generating solids...	09/24/2002
6401353	Substrate dryer A substrate dryer causing no water mark on a substrate having a refined.multidot.complicated structure and capable of suppressing increase of a cost required for a drying treatment is provided. Drying gas of low-molecular silicone generated in a drying ga...	06/11/2002
6334266	Supercritical fluid drying system and method of use A method and apparatus for fabricating and drying wafers, including micro-electro-mechanical system (MEMS) structures, in a second, supercritical processing fluid environment. The apparatus utilizes an inverted pressure vessel connected to a supercritical...	01/01/2002
6289605	Method for drying a semiconductor wafer The present invention provides a drying method for removing a residual solution from a semiconductor wafer. The semiconductor wafer is placed into a chamber, and then the air pressure of the chamber is lowered from atmospheric pressure to a lower pressure...	09/18/2001
6237246	Treating sewage or like sludge There is disclosed a process for treating sewage sludge or similar organic sludge in which dewatered sludge cake and an alkaline admixture are mixed and then dried under pasteurization conditions utilizing heat from the exothermic reaction with the alkali...	05/29/2001
6195908	Method and device for thermal drying of a solid product in small pieces A method and device for thermal drying of a solid product in small pieces utilizing a first contact element and a second contact element between which a layer of the solid product can be brought into contact. The first contact element and, opposed thereto...	03/06/2001
5974690	Method of protecting hair dryers having vents A disposable, adhesive air filter for use with hand held hair dryers. The filter is used in connection with the air vent openings of the hair dryer and may be applied retroactively onto such dryers. The filter may come in a roll or sheet and may be cut by...	11/02/1999
5875564	Method and apparatus for drying wet porous bodies under subcritical temperatures and pressures An improved apparatus, and related method of operation, is described for rapidly drying large monoliths of glass, ceramic and/or composite material, under subcritical conditions, while minimizing the risk of cracking the monolith during the drying process...	03/02/1999
5779758	Method and apparatus for forming continuous glass fibers An apparatus is provided for producing a glass fiber package. The apparatus includes a heated bushing for supplying streams of molten glass to be drawn into continuous fibers, a rotatable member adapted to draw the streams into fibers and to wind the fibe...	07/14/1998
5539998	High purity bulk chemical delivery system An apparatus and method are described for delivering hygroscopic, corrosive chemicals such as hydrogen chloride from a source such as a tube trailer to a use point such as a semiconductor fabrication tool minimizing infiltration of moisture, and entrainme...	07/30/1996
5438764	Foot dryer A foot dryer for drying toes on a foot of an individual has a blower which directs air through apertures in a top panel of a housing. A switch is positioned on the top panel adjacent to the apertures such that when the switch is activated by the individua...	08/08/1995
5393520	Hair treatment method and composition A method for treating hair is provided which includes the application of three compositions of matter with drying steps therebetween. A first and second composition are not less than 50% acetone, are not water soluble and penetrate deeply into the hair to...	02/28/1995
5359787	High purity bulk chemical delivery system An apparatus and method are described for delivering hygroscopic, corrosive chemicals such as hydrogen chloride from a source such as a tube trailer to a use point such as a semiconductor fabrication tool minimizing infiltration of moisture, and entrainme...	11/01/1994
4830904	Porous thermoformable heat sealable nonwoven fabric A porous thermoformable heat sealable nonwoven fabric that is constructed by carding a bicomponent polymeric fiber and then heating the resulting fibrous web to cause bonding. The polymeric components of the bicomponent fiber have crystalline melting poin...	05/16/1989
4504274	Enrichment of low grade coals High moisture coal is dried in a turbulent bed by contact with heated char. The dried coal is cooled and then treated with a coal spray for storage stability against spontaneous combustion....	03/12/1985
4471536	Device for drying coal The device for drying coal comprises a plurality of damping vessels wherein the coal is pre-heated by means of steam and/or hot water, thereupon damped in a second stage, and finally pressure-released. The several damping vessels 1-17 are combined to form...	09/18/1984
4466199	Dehydration process for organic solid material Process for dehydrating water-containing organic solid material which comprises steps of introducing the material into a pressure vessel, applying saturated steam to said vessel to heat the material so that water in the material is removed and mixed with ...	08/21/1984
4461094	Process and apparatus for drying vehicles The description is of a method for drying vehicles in washing establishments in which after the washing or clear rinsing step and before the drying step water containing a wetting agent is applied to produce a substantially uniform thin water film on the ...	07/24/1984
4296540	Method for sealing a dryer A method for sealing a dryer against leakage of hot gases from within the dryer through joints between adjacent panels enclosing the interior of the dryer. The method comprises fastening respective elongate enclosing members into abutment with mutually ad...	10/27/1981

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Class 34/343 - With addition of heat to drying process