Class 204/674 - Porous, perforated, or grid electrode

Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Apparatus having at least one porous, perforated, or grid
No. of patents: 24
Last issue date: 05/20/2008

Number	Title	Issue Date
7374603	Particle transport and near field analytical detection Particle collection, transport, and detection systems are disclosed. The systems are uniquely adapted for collecting or concentrating particles from a flowing medium and then transporting the collected particles to a desired location or for subsequent analysis. Elec...	05/20/2008
7235123	Particle transport and near field analytical detection Particle collection, transport, and detection systems are disclosed. The systems are uniquely adapted for collecting or concentrating particles from a flowing medium and then transporting the collected particles to a desired location or for subsequent analysis. Elec...	06/26/2007
6948715	Seal assembly with accumulator ring A seal assembly with an accumulator ring for protecting a seal from explosive decompression is disclosed. The accumulator ring and the seal are contained within a seal gland. The seal is made of a material that is susceptible to damage from explosive decompression. ...	09/27/2005
6500673	Electrostatic device and method for immunological detection The invention concerns a device and a method for ultrasensitive detection comprising an electrically inert porous sheet sandwiched between two positively charged fine electrodes. The invention uses the capacity of the electrodes, resulting from their powe...	12/31/2002
6096179	Carbon-reinforced electrode and method of making same A carbon-reinforced electrode is disclosed. The electrode is formed from a high surface area absorptive material ("HSAAM electrode") made from resorcinol, formaldehyde, a carbon reinforcing agent, a catalyst, and reaction products thereof, and is in a car...	08/01/2000
6090259	Liquid deionization apparatus having independently powered carbon-reinforced electrode structures An apparatus for deionization of a liquid is disclosed. The apparatus has a number of deionization cells, each cell having two different types of electrodes. The first type of electrode is formed from a high surface area absorptive material ("HSAAM electr...	07/18/2000
5925230	Deionization apparatus having non-sacrificial electrodes of different types An apparatus for deionization of a liquid is disclosed. The apparatus has a number of deionization cells, each cell having two different types of electrodes. The first type of electrode is formed from a high surface area absorptive material ("HSAAM electr...	07/20/1999
5759390	Particle separator This invention relates to a separator device for the separation of fine particles from a contaminated liquid. The device utilizes the process of electrolysis to produce small gas bubbles which attach themselves to the fine particles and move the particles...	06/02/1998
5645704	Electrostatic filter device The invention comprises a fluid treatment of electrostatic flocculation of minute particles in a fluid such as oil. The device has a electrostatic chamber which has a plurality of perforated metal screens aligned along a path in the chamber. Means are pro...	07/08/1997
5593560	Fluid-filtering device for filtering out particulates in fluid A method of charging, coagulating, and filtering out particulates in a fluid. In this method, impurity particulates typified by coloring matter particulates can be efficiently removed without inducing clogging and without the need of maintenance for a lon...	01/14/1997
5575974	Apparatus and method for an anodic oxidation biocidal treatment An apparatus for destroying bacterial pathogens including at least one pair of electrodes secured in a housing configured to constrain flow of water through the region between the electrodes. In one construction, the electrodes are supported in a tube wit...	11/19/1996
5036365	Field assisted filter and electrophotographic copying machine using the same A filter for separating a flowing fluid containing charged particles into two streams, one essentially free of particles and one laden with particles, includes a main conduit having an inlet at one end for receiving the flowing fluid, and having two outle...	07/30/1991
4927511	Method and device for breaking a disperse system in an electrochemical cell A method and a device for breaking an aqueous emulsion, wherein the emulsion flows through an electrochemical cell in which the small emulsified droplets combine in or on a working electrode to form larger separable droplets. The method can be applied in ...	05/22/1990
4767514	Apparatus and method for removing liquid from liquid bearing material An apparatus and method for removing liquid from liquid bearing material is provided, the apparatus comprising a pair of spaced apart electrodes for being disposed on opposite sides of the material, a unit for creating an electrostatic field between the e...	08/30/1988
4636290	Liquid-liquid exchangers and process of using Liquid-liquid exchanger where a dispersed phase circulates also in a continuous phase, wherein an electrocoalescer is placed in that part of the exchanger located between the dispersed phase inlet and the continuous phase outlet. Application to the separa...	01/13/1987
4624765	Separation of dispersed liquid phase from continuous fluid phase Separation of dispersed liquid contaminant, for example removal of water droplets from oil, is achieved by introducing free charge into the mixture by means of charge injector (1) and discharging the charged mixture through a gas or vapor gap into a separ...	11/25/1986
4454016	Removal of PCB from oil and other liquids A technique is disclosed herein for separating out one group of polar particles for example PCB molecules having polar moments of given magnitudes, from a separate group of polar particles, for example oil molecules having polar moments of lesser magnitud...	06/12/1984
4415426	Electrodes for electrical coalescense of liquid emulsions Improved electrodes for electrically coalescing water-in-oil emulsions in an AC electrical field, wherein the improvement comprises insulated electrodes having a dielectric constant of at least about 3 and a hydrophobic surface in contact with the emulsio...	11/15/1983
4347110	Method for tall oil recovery and apparatus therefor A system and apparatus are disclosed for removing particles from suspension in a liquid, particularly for removing tall oil soap particles from black liquor. The black liquor flows along a fluid flow path (10) which runs between a source of black liquor a...	08/31/1982
4182672	Plural stage desalter/dehydrator in a single vessel A desalter/dehydrator having a plurality of electrified coalescing stages in a single vessel, wherein the stages are isolated hydraulically to allow parallel or serial stage operations. In one embodiment, several electrical stages, each separately energiz...	01/08/1980
4149958	Plural stage desalter/dehydrator in a single vessel A desalter/dehydrator having a plurality of electrified coalescing stages in a single vessel, wherein the stages are isolated hydraulically to allow parallel or serial stage operations. In one embodiment, several electrical stages, each separately energiz...	04/17/1979
4116790	Method and apparatus for separation of fluids with an electric field and centrifuge Fluids are separated from each other by passing their mixture through an electric field and centrifuge in sequence. The drops of a first fluid dispersed in a second fluid are coalesced by the force of an electric field to a predetermined size. The mixture...	09/26/1978
4057482	Apparatus for removing liquid from liquid bearing material Apparatus for moving moisture in moisture bearing material by disposing the material in an electrostatic field comprising a plurality of non-uniform electrostatic fields with each field having the higher intensity portion thereof substantially oppositely ...	11/08/1977
3930982	Ferroelectric apparatus for dielectrophoresis particle extraction Polarizable particulate material, such as organic and inorganic colloidal particles such as small pieces of metal, oxides and the like, zwitterionic molecules, and even living organisms and viruses can be preferentially removed from a liquid by dielectrop...	01/06/1976

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Class 204/674 - Porous, perforated, or grid electrode