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Class 219/772 - Fluent material


Subclass of Class 219 - Electric heating
Definition: Subject matter wherein the heating application is to a fluid
No. of patents: 53
Last issue date: 04/14/2009


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NumberTitleIssue Date
7518093Vehicle window with de-icing feature and method
A window such as a vehicle window (e.g., windshield) has a de-icing feature. In certain example embodiments, a conductive structure is provided on an interior surface of a substrate of the window, AC tuned to an ice removal frequency is caused to run through the con...
04/14/2009
7312428Processing hydrocarbons and Debye frequencies
A medium (24 and 124) made up of fossil fuel hydrocarbons (304) is heated by maintaining at least a portion or area of the medium (334) in an alternating current electrical field (36 and 136) provided by a radio frequency si...
12/25/2007
7290959Electrode heating with remediation agent
A remediation method and system is disclosed. A plurality of conductors is installed into the subsurface to introduce electrical current to produce heat in the subsurface. One or more agents are released into the subsurface to cause or accelerate the decomposition o...
11/06/2007
7227110Prevention of ice formation by applying electric power to a liquid water layer
A first electrode is separated from a second electrode by an interelectrode space. The interelectrode space does not exceed 3 mm, and preferably does not exceed 100 μm. Liquid water fills the interelectrode space, thereby electrically connecting the first electrode...
06/05/2007
7215121Balun arrangement and installation method thereof for a magnetic resonance apparatus
A balun arrangement for a magnetic resonance apparatus which in some embodiments further comprises a cable member comprising at least one first ground end and at least one second ground end. A first capacitive element is electrically coupled to said first ground end...
05/08/2007
7211773Conveyance and forming apparatus
A conveyance apparatus comprises a transformer having a core, a primary coil connected to an alternate power source and a secondary coil connected to an output coil, a holding section including a conductive member for heating fluid by high frequency induction heatin...
05/01/2007
7115847In situ processing of hydrocarbon-bearing formations with variable frequency dielectric heating
A hydrocarbon bearing formation (304) which is heated using a variable frequency capacitive radio frequency dielectric heating (334) in situ process. Hydrocarbons or other substances natural to a hydrocarbonaceous formation may be produced by heating s...
10/03/2006
7109457In situ processing of hydrocarbon-bearing formations with automatic impedance matching radio frequency dielectric heating
A hydrocarbon bearing formation (304) which is heated using a automatic impedance matching (181) capacitive radio frequency dielectric heating (334) in situ process. Hydrocarbons or other substances natural to a hydrocarbonaceous formation may b...
09/19/2006
7091460In situ processing of hydrocarbon-bearing formations with variable frequency automated capacitive radio frequency dielectric heating
A hydrocarbon bearing formation which is heated using a variable frequency automated capacitive radio frequency dielectric heating in situ process. Hydrocarbons or other substances natural to a hydrocarbonaceous formation may be produced by heating specific chemical...
08/15/2006
7077559Container or bag mixing apparatuses and/or methods
A mixing system, apparatus and/or method. Pathogen reduction of and/or mixing storage solutions into blood or blood components are useful purposes for these. Squeezing or clapping devices may be used to activate the mixing process, as may rotational devices or later...
07/18/2006
6967315Method for vaporizing a fluid using an electromagnetically responsive heating apparatus
A method of microbially decontaminating at least one of a defined area and an item within the defined area. The method includes the steps of (a) inductively heating a block comprising an electrically non-conductive material and an electromagnetically responsive mate...
11/22/2005
6955221Active heating of thermally insulated flowlines
Hydrocarbon liquids are transported from a subsea welihead to an above-surface hydrocarbon processing facility along a pipe-in-pipe flowline. The flowline is a pipe placed coaxially within an outer carrier pipe and the annulus between the pipes is filled with therma...
10/18/2005
6937030Testing electrical integrity of electrically heated subsea pipelines
Method is provided for testing electrically heated subsea pipelines that are “electrical-ready,” that is, equipped for applying electrical power when it is needed for heating the pipeline at any time during the life of the pipeline. Time domain reflectometer app...
08/30/2005
6906296Electromagnetically responsive heating apparatus for vaporizer
A vaporizer heating apparatus is comprised of electromagnetically responsive material and electrically non-conductive material. A antimicrobial fluid to be vaporized, such as water or hydrogen peroxide solution, is supplied to the heating apparatus where it is conve...
06/14/2005
6859050High frequency contactless heating with temperature and/or conductivity monitoring
Devices and methods for contactless heating of a fluid in a chamber using a high frequency alternating potential are described. At least two electrodes are coupled to the chamber such that the alternating potential is coupled to the fluid inside the chamber and heat...
02/22/2005
6509557Apparatus and method for heating single insulated flowlines
Apparatus and method are provided for electrically heating subsea pipelines. An electrically insulating layer is placed over the pipe in the segment of the pipeline to be heated and electrical current is caused to flow axially through the steel wall of th...
01/21/2003
6423955High frequency dielectric heating system
A method and apparatus for dielectric drying is disclosed wherein a load to be heated positioned on a carrier the bottom of which provides a secondary electrode is moved with the carrier a dielectric heating chamber having a primary electrode positioned a...
07/23/2002
5981930Canister for preventing the emanation of a vaporized fuel gas
A canister is provided for preventing the emanation of a vaporized fuel gas. The canister is capable of quickly heating the activated carbon through the resistance thereof up to a required temperature at the time of desorption of the vaporized fuel gas. T...
11/09/1999
5973308Efficient dielectric heater
A novel dielectric heater including a RF source having a first impedance, a parallel plate mold having a second impedance, and an impedance network, matching the first impedance to the second impedance, connected to the RF source and the parallel plate mo...
10/26/1999
5786577Microwave oven having a steam generator for keeping food moist during cooking
A microwave oven includes a cooking chamber and a steam generator for supplying steam thereto for preventing food from drying out during cooking. The steam generator includes a water storage tank and a pair of spaced-apart electrodes mounted in the tank f...
07/28/1998
5768472Apparatus and methods for rapid electroheating and cooling
Methods and apparatus for electroheating an electrically conducting flowable material are provided. In a preferred embodiment, flowable material is conveyed from an entrance passageway to first and second electrode assemblies. The flowable material is the...
06/16/1998
5621845Apparatus for electrode heating of earth for recovery of subsurface volatiles and semi-volatiles
Improved methods and apparatus are disclosed for confining ohmic heating currents to a subsurface formation in the use of in situ ohmic heating for recovery of volatile and semi-volatile materials, such as hazardous waste, hydrocarbon-like materials, and ...
04/15/1997
5587100Process and the contrivance employed for producing heat energy without combustion
The present invention relates to a process for producing heat energy without combustion for causing no air pollution. More particularly, the present invention relates to a process which imposes kinetic energy selected from the group comprising static elec...
12/24/1996
5583960Electroheating apparatus and methods
Electroheating apparatus and methods utilize a dielectric structure defining a conduit course of relatively small cross-sectional area and electrode surfaces of relatively large area so that the electrical current density in a region of the conduit remote...
12/10/1996
5571550Methods for electroheating food employing concentric electrodes
An electroheating apparatus to continuously treating pumpable food is made up of a number of connected electroheating cells. In one embodiment, all of the cells include a pair of concentric electrodes between which the food is pumped. The electrodes are c...
11/05/1996
5565067Evaporation of water using high frequency electric fields
A method for increasing the rate of evaporation of water in a humid atmosphere by providing a high frequency electric field at the evaporating surface of the water. The method is an energy-efficient alternative to attempts to lower the humidity of the air...
10/15/1996
5550357Apparatus for producing heat energy without combustion using non-fuel fluid matter
Apparatus for producing heat energy without combustion and without causing air pollution. The apparatus includes a cylindrical shaped reactor containing non-fuel fluid matter in a tank having liquid stored therein for converting selected matter into energ...
08/27/1996
5536378Apparatus for manufacture of oxygen from lunar ilmenite
A reactor apparatus for production of Lunar oxygen uses feed stocks comprising a particulate hydrogen-reducible enriched feed in the size range from about 20-200 microns, containing 80-90% Lunar ilmenite (FeTiO3) and ferrous Lunar agglutinates....
07/16/1996
5523550Capacitive induction heating method and apparatus for the production for instant hot water and steam
A water heater including a first electrode and a second electrode in spaced relation to the first electrode. The first an second electrodes define a fluid path and a capacitance therebetween. The heater may also include a first winding associated with the...
06/04/1996
5506391Liquid heater using electrical oscillations
A diathermal water heater for the rapid and controlled heating of water and like fluids. A diathermal heating chamber uses electrical oscillations to heat liquids flowing through it. By means of feedback circuitry, the electrical oscillations are controll...
04/09/1996
5484985Radiofrequency ground heating system for soil remediation
An in-situ method of extracting contaminants from a soil volume comprises applying a radiofrequency (RF) excitation signal to heat the soil with an array of electrodes. The electrodes are inserted into the contaminated volume or inserted into a matrix of ...
01/16/1996
5420402Methods and apparatus to confine earth currents for recovery of subsurface volatiles and semi-volatiles
Improved methods and apparatus are disclosed for confining ohmic heating currents to a subsurface formation in the use of in situ ohmic heating for recovery of volatile and semi-volatile materials, such as hazardous waste, hydrocarbon-like materials, and ...
05/30/1995
5420404Apparatus and continuous process for drying of dielectric materials
An apparatus and method for drying, by heating, a continuous supply of dielectric material. A terminated, quarter-wavelength transmission line is used as a "traveling wave" applicator for transferring electromagnetic energy from a radio-frequency generato...
05/30/1995
5357088Method for melting a photographic composition gel to a sol using microwave energy
A method for making a photographic composition gel ready for use in production from a good preservative frozen state, causing no change in photographic properties, wherein a photographic composition gel is melted to a sol by placing a light shielding diel...
10/18/1994
5314005Particulate heating/cooling agents
This invention discloses novel compositions of matter, in particulate forms, which function as heat transfer agents for heating or cooling applications. The particulates comprise solid carriers containing microwave responsive substances which are liquid a...
05/24/1994
5306887Method of accelerating the heating of aqueous fluids
The present invention relates to a method of treating aqueous fluids for the purpose of increasing the heat absorption characteristics thereof. The method also relates to treating aqueous fluid in applications where it is desired to use a certain amount o...
04/26/1994
5288471Apparatus for preserving biological products
The method includes the steps of: preheating a selected volume of product to a temperature proximate to the maximum temperature of the treatment; irradiating the product with an alternating electromagnetic field in order to heat the product to approximate...
02/22/1994
5223188Stiffening of extrudates with RF energy
A method of stiffening plastically deformable material, newly forming or formed into a shaped body, is disclosed. The method includes; exposing the material, which includes body-forming matter, polar molecules, and a polymeric agent having a thermal gel p...
06/29/1993
5213713Process of shaping an electrorheological solid
Electrorheological solids are compositions which undergo phase change from olid phase to fluid or gel phase when activated by electric field. Objects comprising electrorheological solid compositions can be electrically repaired by electrically inducing sol...
05/25/1993
4973811In situ decontamination of spills and landfills by radio frequency induction heating
An RF transmission line is located horizontal to the surface of a region of earth to be decontaminated. The transmission line is driven by a constant current RF source thereby causing induction heating of the soil therebeneath. An array of transmission li...
11/27/1990
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