Class 34/397 - Mechanical liquid removal

Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Process involving the removal of liquid from solids mechanically
No. of patents: 34
Last issue date: 10/27/2009

Number	Title	Issue Date
7607240	Method of drying roving products A system and method of drying wet items including roving packages, cakes and bobbins of wound wet glass fibers and/or wet glass fiber strand(s) by first preheating the wet items using waste hot gases coming from any source including a glass furnace, a dryer or a hea...	10/27/2009
7454846	Automatic tennis court drying machine An apparatus and method for automatically drying a tennis court or other flat surface after rainfall is provided. A robotic vehicle cooperates with a sensing unit preferably mounted on a fence adjacent the court or other paved surface. A sensing unit detects the ons...	11/25/2008
7415780	Method and apparatus for removing liquid from substrate surfaces using suction A cost effective and environmentally sound method for quickly removing liquid from surfaces of a substrate under manufacture without leaving behind substantial residue (e.g., silicon elements from the substrate, commonly known in the field as “water marks”). The...	08/26/2008
7306680	Method of cleaning by removing particles from surfaces, a cleaning apparatus and a lithographic projection apparatus A lithographic mask is placed in a chamber which is then sealed. The gas pressure in the chamber is reduced to dislodge contaminant particles on the mask surface. ...	12/11/2007
7272895	Double flow cage compactor dryer apparatus and method of compacting and drying wastes A cage drying—compacting apparatus for wastes, includes a cylindrical shape and at least a pair of pressure plates, the cylindrical body having heating longitudinal tubes, coursed by a thermal carrier fluid, provided along the generatrixes of the cylinder and spac...	09/25/2007
7186102	Apparatus and method for low-density cellular wood plastic composites A low-pressure CO2 tank or an air compressor with a refrigerated air dryer is attached either at or after the vent zone of a standard twin-screw extruder. During or after extrusion, the gas is dissolved in the wood-plastic melt. The CO2 expands...	03/06/2007
7143527	System and method for modulating flow through multiple ports in a proximity head A method of forming a dynamic liquid meniscus includes forming a meniscus at a first size, the meniscus being formed between a proximity head and a first surface and changing the meniscus to a second size by modulating a flow through at least one of a set of ports o...	12/05/2006
7121399	Small item pneumatic diverter A small item pneumatic diverter for high speed diversion of articles, such as fruit, from a moving conveyor in a product handling system. The pneumatic diverter is particularly suited for diversion of small, relatively fragile articles after they have been optically...	10/17/2006
7086178	System and method for drying The present invention relates to a system for projecting a pre-selected flow rate of dry compressed air onto a vehicle to prevent accumulation of excess water. The present invention also relates to a method for utilizing a compressed air vehicle drying system. ...	08/08/2006
7005010	Multi-process system A system for processing a workpiece includes an inner chamber pivotably supported within an outer chamber. The inner chamber has an opening to allow liquid to drain out. A motor pivots the inner chamber to bring the opening at or below the level of liquid in the inn...	02/28/2006
6799381	System and method for drying The present invention relates to a system for projecting a pre-selected flow rate of dry compressed air onto a vehicle to prevent accumulation of excess water. The present invention also relates to a method for utilizing a compressed air vehicle drying system. ...	10/05/2004
6668844	Systems and methods for processing workpieces Workpieces requiring low levels of contamination, such as semiconductor wafers, are loaded into a rotor within a process chamber. The process chamber has a horizontal drain opening in its cylindrical wall. The chamber is closed via a door. A process or ri...	12/30/2003
6526675	Methods of using natural products as dewatering aids for fine particles A method of dewatering fine particulate materials is disclosed. In this method, an aqueous slurry of fine particles is treated with appropriate hydrophobizing reagents so that the particulate material becomes moderately hydrophobic. A lipid of vegetable o...	03/04/2003
6427359	Systems and methods for processing workpieces Workpieces requiring low levels of contamination, such as semiconductor wafers, are loaded into a workpiece support or holder within a process chamber. The process chamber has a drain opening, slot or edge. The chamber is closed via a door. A process or r...	08/06/2002
6173507	Arrangement and operation of improved dryer between shrinkage compactors to control residual shrinkage of wet knitted web to below that produced by tumble drying Apparatus and a related method control within acceptable limits, of less than two percent (2%), residual shrinkage in garments to be made from a knitted fabric web or other fabrics subject to high shrinkage. The knitted fabric web is passed continuously i...	01/16/2001
6167636	Process for thermally utilizing spent grains In a process for thermally utilizing wet spent grains (1), the wet spent grains (1) are mechanically predried in a first drying stage (2), thermally dried in a further drying stage (4) and finally thermally utilized by burning or gasification. In order to...	01/02/2001
6151799	Citrus peel processing system A system and method is described for processing waste citrus peel to remove oil from the peel in a highly efficient manner for subsequent processing, where the temperature of the peel is elevated, the peel is then finely fragmented to create a slurry, the...	11/28/2000
6076279	Method and a device for improving liquid removal A method and press for heating a material to be pressed. The method includes prepressing the material without heat, or with a generally minimal amount of heat applied. Then heating the material heavily at a wettest part of the material, and simultaneously...	06/20/2000
5611935	Method and device for treating sludge A method for treating sludge by dewatering to form thick sludge and drying to form dry sludge includes the steps of mechanically predewatering thick sludge to produce predewatered thick sludge and mixing the predewatered thick sludge with non-cooled dry s...	03/18/1997
5513446	Method and apparatus for drying industrial barrels A method and an apparatus serve for drying industrial barrels (60). The industrial barrels (60) are positioned on an inclined base (12, 20) and are enclosed by a pressure-tight vacuum hood (30). A suction pipe (40) that is connected with the vacuum hood (...	05/07/1996
5268105	Method for dehydrating human-waste disposal materials A method for treating used human-waste disposal materials, containing a highly water-absorbent polymer, that have absorbed the water content of human waste. Such used materials are treated with an aqueous solution of an alkaline earth metal salt, such as ...	12/07/1993
5241759	Apparatus for wiping moisture off the sides of running webs of photo-sensitive material Apparatus for wiping moisture off the sides of running webs of photosensitive material in developing machines employs one or more deformable elastic wiping elements in the form of elongated lips or rings which are maintained in contact with the respective...	09/07/1993
5219468	Method for dewatering using addition of water to facilitate material movement A liquid separator apparatus to extract liquid, usually water, from a water-solids mixture. The apparatus includes liquid separator device with a housing with an inlet and an outlet separated by a liquid extraction chamber. The housing sidewalls defining ...	06/15/1993
5134786	Pressing and drying machine A pressing and drying machine, of the type comprising an arcuate transverse trough and a hot fluid flow chamber disposed beneath the trough to evaporate the water, by boiling, from the wet fabric material characterized in that it increases the production ...	08/04/1992
5070160	Process for drying aluminoxane and process for producing polymers Disclosed is a process for drying aluminoxane, which comprises drying a viscous solution containing aluminoxane, while applying a shearing force sufficient to keep said viscous solution in polydispersive state, so as to make the solution to be a solid-sta...	12/03/1991
4691450	Method and apparatus for the removal of liquid from a running yarn Liquid is mechanically removed from a running yarn by an apparatus and method in which the yarn is passed in running contact with the bottom of a channel in a yarn guide while directing a jet of gas into the channel obliquely or perpendicularly to the yar...	09/08/1987
4653197	Method and apparatus for removing moisture in veneer A method and apparatus for removing moisture in a veneer are disclosed. The method comprises jetting a compressed gas against at least either tangential face of a veneer in feeding in order to remove moisture contained within the wood structure of it. The...	03/31/1987
4639507	Process for the isolation of polyarylene sulphide The isolation of polyarylene sulphides by freeing polyarylene sulphides of the type obtained in customary production processes from adherent water and any other volatile constituents by treating the polyarylene sulphides in screw machines and optionally m...	01/27/1987
4455761	Pneumatic polymer eductor conveyor dryer A water-wet polymer is extruded through a die plate. Free water formed by extruding action at the die plate is atomized and/or evaporated into an air stream. The die plate assembly discharges the rubber/moisture into a closely adjacent cone/funnel-receive...	06/26/1984
4285140	Dewatering and upgrading low rank coal by a two-step hydrothermal treatment Low rank coal is dewatered and upgraded by heating a coal/water mixture at 150° to 300° C. at a pressure preventing water vaporization, mechanically separating the water, then heating the coal at 300° to 400° C. at a pressure allowing water vaporizati...	08/25/1981
4135309	Process for drying beet pulp This invention relates to an improved pulp drying process for indirectly drying beet pulp which is characterized by the inclusion of a steam heated dryer of the type wherein the process steam used in the drying operation remains isolated from the vapors d...	01/23/1979
4007545	Method for adjusting temperature and pressure of a fluid The pressure and temperature and in some cases the flow rate of fluids such as polymers are controlled by reducing the cross-sectional area of the conduit carrying the fluid to provide a flow channel communicating with the inner surface of the conduit who...	02/15/1977
3933546	Method for draining water or moisture from substratum for waterproofing layer A method for draining water or moisture from a substratum for a waterproofing layer in buildings comprising applying to the substratum such as concrete or mortar a sintered product of a thermoplastic resin, having a capillary structure comprising numeral,...	01/20/1976

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Class 34/397 - Mechanical liquid removal