Patent application number | Description | Published |
20090018565 | Atherectomy devices, systems, and methods - The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens. | 01-15-2009 |
20090018566 | Atherectomy devices, systems, and methods - The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens. | 01-15-2009 |
20090018567 | Atherectomy devices, systems, and methods - The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens. | 01-15-2009 |
20090024085 | Atherectomy devices, systems, and methods - The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens. | 01-22-2009 |
20110152906 | Devices, systems, and methods for debulking restenosis of a blood vessel - Devices, systems, and methods are employed to restore patency to arterial lesions, e.g., by debulking restenosis in a blood vessel or within a stent or coil. | 06-23-2011 |
20110152907 | Devices, systems, and methods for performing atherectomy including delivery of a bioactive material - Devices, systems, and methods are employed to perform an atherectomy in an identified region to restore patency to arterial lesions. A bioactive material is introduced into the identified region before, after or during performing the atherectomy. The bioactive material can be introduced, e.g., on a balloon coated with the bioactive material, which is expanded in contact with the identified region to deliver the bioactive material. The bioactive material can be, e.g., at least one of a restenosis-inhibiting agent, a thrombus-inhibiting agent, and an anti-inflammatory agent. | 06-23-2011 |
20130103063 | DEVICES, SYSTEMS, AND METHODS FOR PERFORMING ATHERECTOMY INCLUDING DELIVERY OF A BIOACTIVE MATERIAL - Devices, systems, and methods are employed to perform an atherectomy in an identified region to restore patency to arterial lesions. A bioactive material is introduced into the identified region before, after or during performing the atherectomy. The bioactive material can be introduced, e.g., on a balloon coated with the bioactive material, which is expanded in contact with the identified region to deliver the bioactive material. The bioactive material can be, e.g., at least one of a restenosis-inhibiting agent, a thrombus-inhibiting agent, and an anti-inflammatory agent. | 04-25-2013 |
Patent application number | Description | Published |
20080213210 | Method to purify poly(vinyl alcohol) - Disclosed herein is a process to produce a film comprising poly(vinyl alcohol), wherein the poly (vinyl alcohol) solution has been purified utilizing an ion exchange resin. An approximate 50 micrometer thick film produced from the purified aqueous poly(vinyl alcohol) solution has an APHA color value of 50 or less after the film has been heated at 150° C. for 60 minutes. | 09-04-2008 |
20090148758 | Oxidation resistant separator film for batteries - A separator film for an electric battery is provided to substantially eliminate electric contact between an anode component and a cathode component. The film includes a vinyl alcohol copolymer with functional comonomer units such as sulfonic acid functionalized units or salts thereof. The films are desirable for use in battery separators because they exhibit superior resistance to degeneration by oxidation, enabling the manufacture of batteries with improved conductivity, longer discharge times, and longer cycle lives. | 06-11-2009 |
20100234492 | Polyvinyl alcohol films with improved resistance to oxidizing chemicals - A water-soluble film which comprises a saccharide component and a vinyl alcohol resin component, where the vinyl alcohol resin may include functional comonomer units such as sulfonic acid functional groups or salts thereof. Preferred are polyvinyl alcohol/2-methylacrylamido-2 methyl propane sulfonic acid resins (PVOH/AMPS) which may be purchased commercially with relatively higher or relatively lower characteristic viscosity. The films exhibit superior resistance to aggressive oxidizing chemicals and remain soluble in water after prolonged exposure thereto. The films are particularly useful for unit-dose packaging of chlorine-containing pool chemicals, such as trichloroisocyanuric acid. | 09-16-2010 |
20120164424 | Cold Water Soluble Polyvinyl Alcohol/Alkyl Acrylate Copolymers and Films Thereof - Cold water-soluble PVOH/alkyl acrylate copolymers are provided with a substantially random distribution of monomers which is reflected in the polymer's cold water solubility, GPEC chromatograms and may be confirmed by C | 06-28-2012 |
Patent application number | Description | Published |
20100209633 | CURVED TEST SPECIMEN - A cylindrical test specimen is provided. The test specimen comprises a metallic sheet curved to form a cylindrical shape, an adhesive layer contacting the metallic sheet, and a thermal barrier coating coupled to the metallic sheet with the adhesive layer, the thermal barrier coating adapted to inhibit thermal transfer. | 08-19-2010 |
20100233504 | METHOD OF MANUFACTURE OF A DUAL MICROSTRUCTURE IMPELLER - There is provided a method for fabricating a dual microstructure component that may in turn be machined to fabricate a rotary element such as an impeller characterized as capable of withstanding high heat conditions for use in a gas turbine engine. The method provides a nickel based superalloy suitable for application of an impeller in a gas turbine engine. The bore region is manufactured having a grain size finer than ASTM 10.0 and the body region is manufactured having a grain size coarser than ASTM 7.0. The bore region and the body region define a dual microstructure and an interface. | 09-16-2010 |
20110123385 | METHODS OF FORMING DUAL MICROSTRUCTURE COMPONENTS - Methods of forming dual microstructure components include consolidating a powder material comprising an alloy to form a billet, the billet having a first grain structure, inductively heating the billet at an inductive heat treat temperature above a gamma prime solvus temperature of the alloy and subjecting the billet to a subsolvus heat treat temperature that is below the gamma prime solvus temperature of the alloy, waiting a period of time for the first grain structure in an outer portion of the billet to transform into a second grain structure that is coarser than the first grain structure, after the steps of inductively heating and subjecting the billet to the subsolvus heat treat temperature. The methods also include dividing the billet into at least two sections, and machining a final shape into one or more of the at least two sections to form the dual microstructure component. | 05-26-2011 |
20150093279 | METHODS FOR FORMING OXIDE DISPERSION-STRENGTHENED ALLOYS - In accordance with an exemplary embodiment, a method of forming a oxide dispersion-strengthened alloy metal includes the steps of providing, in a powdered form, an oxide dispersion-strengthened alloy composition that is capable of achieving a dispersion-strengthened microstructure, directing a low energy density energy beam at a portion of the alloy composition, withdrawing the energy beam from the portion of the powdered alloy composition, and cooling the portion of the powdered alloy composition at a rate greater than or equal to about 10 | 04-02-2015 |
20150118048 | GAS TURBINE ENGINE ROTORS INCLUDING INTRA-HUB STRESS RELIEF FEATURES AND METHODS FOR THE MANUFACTURE THEREOF - Embodiments of a gas turbine engine rotor including stress relief features are provided, as are embodiments of method for producing a gas turbine engine rotor. In one embodiment, the method includes producing a hub preform in which a plurality of elongated sacrificial cores are embedded. Blades are attached to an outer circumference of the hub preform by, for example, bonding a blade ring to the outer circumference of the preform. The blades are spaced about the rotational axis of the gas turbine engine rotor and circumferentially interspersed with the plurality of elongated sacrificial cores. The plurality of elongated sacrificial cores are then removed from the hub preform to yield a plurality of stress distribution tunnels extending in the hub preform. | 04-30-2015 |
20150298212 | METHODS FOR FORMING CERAMIC REINFORCED TITANIUM ALLOYS - In accordance with an exemplary embodiment, a method of forming a ceramic reinforced titanium alloy includes the steps of providing, in a pre-alloy powdered form, a ceramic reinforced titanium alloy composition that is capable of achieving a dispersion-strengthened microstructure, directing a low energy density energy beam at a portion of the alloy composition, and forming a ceramic reinforced titanium alloy metal having ceramic particulates of less than 10 μm on a weight-average basis. The step of forming includes the sub-steps of withdrawing the energy beam from the portion of the powdered alloy composition and cooling the portion of the powdered alloy composition at a rate greater than or equal to about 10 | 10-22-2015 |
Patent application number | Description | Published |
20090070939 | DEVICES FOR PREVENTION OF PRESSURE ULCERS - A support surface, such as an underpad, for preventing pressure sores in a patient is a multi-layer textile assembly having a skin contact layer formed from a fabric of synthetic filament yarns woven to provide air permeability and moisture vapor permeability and having a thickness of less than 1 mm. An absorbent middle layer is formed from a breathable microfiber fabric woven to provide for moisture transition from an upper surface of the middle layer to a bottom surface of the middle layer. The skin contact layer and the middle layer are stitched together using a stitching pattern optimized to produce an open pattern with minimal puckering. A bottom layer is formed from a breathable, waterproof fabric woven from synthetic yarn to produce a moisture vapor transfer rate within the range of 5,000 to 20,000 grams per meter squared per 24 hours. The three layers are attached together around their outer edges. | 03-19-2009 |
20100121300 | Nursing Bra Pad - A nursing bra pad has a concave, cup-shape formed from a rounded section of multi-layer composite textile having a first, skin contact layer formed from a non-shearing, moisture vapor permeable woven fabric of synthetic filament yarns. A second layer and optional third layer are formed from moisture absorbing and retaining fabrics. The second layer is a breathable fabric that draws moisture from the inner to the outer surface of the fabric. The optional third microfiber layer provides moisture retention and may be positioned between the first layer and the second layer or between the second and fourth layers. The fourth layer, which may optionally be coated with polyurethane, is formed from a breathable, waterproof fabric woven from synthetic yarn to allow moisture vapor transfer away from the skin. The three or four layers are stitched together along their edges. The layers are stitched to generally conform to the shape of the breast. | 05-13-2010 |
20110092935 | FABRIC LINER FOR SKIN-CONTACTING ITEMS - A liner for use in skin-contacting garments and other objects that contact the skin has a moisture-wicking layer formed from a non-shearing, moisture-vapor permeable woven fabric of synthetic filament yarns which is treated with an anti-microbial substance. Additional layers may include a breathable, highly-absorbent microfiber fabric that draws moisture from the inner surface to the outer surface of the fabric where it may be retained, and a moisture transport layer. If multiple layers are used, all layers may be stitched together with a seam around the outer edges of the layers. The liner may be shaped to fit within a garment or other wearable-article, such as a bra cup, diapers and underpants. | 04-21-2011 |
20120065547 | DEVICES FOR PREVENTION OF PRESSURE ULCERS - A support surface, such as an underpad, for preventing pressure sores in a patient is a multi-layer textile assembly having a skin contact layer formed from a fabric of synthetic filament yarns woven to provide air permeability and moisture vapor permeability and having a thickness of less than 1 mm. An absorbent middle layer is formed from a breathable microfiber fabric woven to provide for moisture transition from an upper surface of the middle layer to a bottom surface of the middle layer. The skin contact layer and the middle layer are stitched together using a stitching pattern optimized to produce an open pattern with minimal puckering. A bottom layer is formed from a breathable, waterproof fabric woven from synthetic yarn to produce a moisture vapor transfer rate within the range of 5,000 to 20,000 grams per meter squared per 24 hours. The three layers are attached together around their outer edges. | 03-15-2012 |
20130249695 | SYSTEMS AND METHODS FOR ASSESSING RISKS OF PRESSURE ULCERS - A system, method and computer program product for assessing a risk of developing pressure ulcers, including a user input unit configured to receive facility setting information and objective and subjective information of a patient for a plurality of categories of patient data; a correlation unit configured to determine a corresponding risk value of developing a pressure ulcer for each category of patient data, based on the patient data received in each category; and a risk determination unit configured to determine a level of risk of a patient developing a pressure ulcer based on the correlated risk values. | 09-26-2013 |
Patent application number | Description | Published |
20100258682 | SYSTEM AND METHOD FOR INTERFACING WAYSIDE SIGNAL DEVICE WITH VEHICLE CONTROL SYSTEM - In a transportation system (rail system or otherwise), a wayside device potentially operates in a plurality of operational modes. The wayside device is outfitted with an interface system for interfacing the wayside signal device with a vehicle control system. The interface system determines the present operational mode of the wayside device and independently communicates information relating to the determined present operational mode to the vehicle control system. The vehicle control system may control the vehicle based on the information relating to the determined present operational mode. The interface system includes functionality for validating the determined present operational mode prior to transmission of the information to the vehicle control system, to ensure that the vehicle control system is provided with correct and/or current information. The wayside device may be a wayside signal device whose operational modes (as determined by the interface system) are signal aspects conveyed to a vehicle. | 10-14-2010 |
20120314332 | Current Sensor - There is provided a voltage or current sensing device. An exemplary voltage or current sensing device includes a drive circuitry configured to deliver a drive current to a magnetic core operably coupled with a conductor, for driving the core to cyclical magnetic saturation. The device also includes sense circuitry configured to receive a voltage signal corresponding to an application current in the conductor. The device also includes signal processing circuitry configured to sample the voltage signal, wherein a first sample is in phase with the drive current and a second sample is out of phase with the drive current. The device also includes a feedback loop configured to deliver a compensation current to the magnetic core, wherein the compensation current is configured to balance the magnetic core and wherein the compensation current is based at least in part on the first sample in phase with the drive current. | 12-13-2012 |
20140125318 | SIGNAL DETECTION SYSTEM AND METHOD - A signal detection system for use with a signaling system is disclosed, the signal detection system comprising a plurality of electrical terminals including a source terminal and an output terminal, the output terminal being connected to a signaling device. An auxiliary terminal electrically coupled to at least one of the plurality of electrical terminals is provided. A current sensor is coupled to the auxiliary terminal for detecting an electrical signal for controlling the signaling device. The current sensor generating an output signal in response to the detection of the electrical signal for controlling the signaling device for monitoring the status of the signaling device. Also disclosed is a method for installing a signal detection system in a wayside signaling system including a signaling device for monitoring a status of the signaling device. An apparatus for connecting a current sensor to a signaling device is also disclosed. | 05-08-2014 |
20140263856 | System and Method For Expanded Monitoring and Control of Railroad Wayside Interlocking Systems - A system and method provides for expanded monitoring and control of a railroad wayside interlocking system that monitors a plurality of track side and train systems and controls a plurality of train and track control devices with a primary control panel system communicating with the interlocking system over a first communication interface and with a remote control panel over a second communication interface, receiving interlocking status messages for visually displaying a current status state of the monitored systems, replicating the received interlocking status messages, determining a current status state for the control devices, communicating replicated interlocking status messages or the determined current status state over the second communication interface to one or more remote control panel systems, and receiving requests from the one or more remote control panel systems, which are then transmitted to the wayside interlocking system by the primary control panel system. | 09-18-2014 |
Patent application number | Description | Published |
20130180729 | RF APPLICATOR HAVING A BENDABLE TUBULAR DIELECTRIC COUPLER AND RELATED METHODS - A radio frequency (RF) applicator may be rotated during positioning within a wellbore in a subterranean formation. The wellbore may have at least one bend therein. The RF applicator may include a series of tubular conductors, and a respective bendable tubular dielectric coupler rotationally interlocking opposing ends of adjacent ones of the series of tubular conductors to define a tubular antenna. The RF applicator may include at least one RF feed conductor extending within the tubular antenna and connected to the series of tubular conductors. | 07-18-2013 |
20140014324 | METHOD OF RECOVERING HYDROCARBON RESOURCES WHILE INJECTING A SOLVENT AND SUPPLYING RADIO FREQUENCY POWER AND RELATED APPARATUS - A method of recovering hydrocarbon resources in a subterranean formation may include injecting a solvent via a wellbore into the subterranean formation while supplying radio frequency (RF) power from the wellbore and into the subterranean formation. The method may also include recovering hydrocarbon resources via the wellbore and from the subterranean formation while supplying RF power from the wellbore and into the subterranean formation. | 01-16-2014 |
20140020908 | RF ANTENNA ASSEMBLY INCLUDING DUAL-WALL CONDUCTOR AND RELATED METHODS - A radio frequency (RF) antenna assembly to be positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery may include a series of tubular conductors coupled together in end-to-end relation. Each tubular conductor may include a dual-wall conductor defining an RF antenna. The dual-wall conductor may include an outer wall and an inner wall spaced inwardly therefrom to define an outer fluid passageway. The RF antenna assembly may further include an RF transmission line extending within at least some of the tubular conductors. | 01-23-2014 |
20140043115 | RIGID RF COAXIAL TRANSMISSION LINE FOR A WELLBORE AND RELATED METHODS - A rigid radio frequency (RF) coaxial transmission line to be positioned within a wellbore in a subterranean formation may include a series of rigid coaxial sections coupled together in end-to-end relation. Each rigid coaxial section may include an inner conductor, a rigid outer conductor surrounding the inner conductor, and a dielectric therebetween. Each of the rigid outer conductors may include a rigid outer layer having opposing threaded ends defining overlapping mechanical threaded joints with adjacent rigid outer layers. Each of the rigid outer conductors may also include an electrically conductive inner layer coupled to the rigid outer layer and having opposing ends defining electrical joints with adjacent electrically conductive inner layers. | 02-13-2014 |
20140216714 | TRANSMISSION LINE SEGMENT COUPLER DEFINING FLUID PASSAGE WAYS AND RELATED METHODS - A transmission line segment coupler is for coupling together first and second coaxial transmission line segments each including an inner tubular conductor and an outer tubular conductor surrounding the inner tubular conductor and a dielectric therebetween. The coupler apparatus includes an outer tubular bearing body to be positioned within adjacent open ends of the inner tubular conductors of the first and second coaxial transmission line segments, and an inner tubular bearing body configured to slidably move within the outer tubular bearing body to define a linear bearing therewith. The inner tubular bearing body is configured to define a fluid passageway in communication with the adjacent open ends of the inner tubular conductors of the first and second coaxial transmission line segments. | 08-07-2014 |
20140231416 | RADIO FREQUENCY ANTENNA ASSEMBLY FOR HYDROCARBON RESOURCE RECOVERY INCLUDING ADJUSTABLE SHORTING PLUG AND RELATED METHODS - A radio frequency (RF) antenna assembly configured to be positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery may include an RF transmission line and an RF antenna coupled to the RF transmission line. The RF antenna assembly may also include an adjustable balun that may include a tubular balun housing surrounding the RF transmission line and defining a space therebetween. The adjustable balun may further include an adjustable shorting body slidably movable within the space and contacting the tubular balun housing and the RF transmission line at an adjustable shorting position. | 08-21-2014 |
20140262222 | RF ANTENNA ASSEMBLY WITH SERIES DIPOLE ANTENNAS AND COUPLING STRUCTURE AND RELATED METHODS - An RF antenna assembly is to be positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The RF antenna assembly includes a series of tubular dipole antennas to be positioned within the wellbore, each tubular dipole antenna having a pair of dipole elements, and an RF transmission line extending within the series of tubular dipole antennas. The RF antenna assembly includes a respective coupling structure between each pair of dipole elements and between the series of tubular dipole antennas, each coupling structure including a dielectric tube mechanically coupling adjacent dipole elements, and a tap connector carried by the dielectric tube and electrically coupling the RF transmission line to a corresponding dipole element. | 09-18-2014 |
20140262223 | RF ANTENNA ASSEMBLY WITH DIELECTRIC ISOLATOR AND RELATED METHODS - An RF antenna assembly is positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The RF antenna assembly includes first and second tubular conductors and a dielectric isolator therebetween. The dielectric isolator includes a dielectric tube having opposing first and second open ends, a first tubular connector having a first slotted recess receiving therein the first open end of the dielectric tube, and a second tubular connector having a second slotted recess receiving therein the second open end of the dielectric tube. | 09-18-2014 |
20140262224 | RF ANTENNA ASSEMBLY WITH FEED STRUCTURE HAVING DIELECTRIC TUBE AND RELATED METHODS - An RF antenna assembly may be positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The RF antenna assembly includes first and second tubular conductors and a feed structure therebetween defining a dipole antenna to be positioned within the wellbore, and an RF transmission line extending within one of the tubular conductors. The feed structure includes a dielectric tube, a first connector coupling the RF transmission line to the first tubular conductor, and a second connector coupling the RF transmission line to the second tubular conductor. | 09-18-2014 |
20150068706 | HYDROCARBON RESOURCE PROCESSING APPARATUS FOR GENERATING A TURBULENT FLOW OF COOLING LIQUID AND RELATED METHODS - A device for processing hydrocarbon resources in a subterranean formation may include a radio frequency (RF) source, a dielectric cooling liquid source, and an RF applicator in the subterranean formation and coupled to the RF source to supply RF power to the hydrocarbon resources. The RF applicator may include concentric tubular conductors defining cooling passageways therebetween coupled to the dielectric cooling fluid source. At least one property of the dielectric cooling liquid, a flow rate of the dielectric cooling liquid, and a configuration of the cooling passageways may be operable together to generate a turbulent flow of the dielectric cooling liquid adjacent surfaces of the plurality of concentric tubular conductors to enhance thermal transfer. | 03-12-2015 |
20150070112 | RIGID RF COAXIAL TRANSMISSION LINE WITH CONNECTOR HAVING ELECTRICALLY CONDUCTIVE LINER AND RELATED METHODS - A rigid RF coaxial transmission line is positioned within a wellbore in a subterranean formation. The rigid RF coaxial transmission line includes a series of rigid coaxial sections coupled together in end-to-end relation and to be positioned within the wellbore of the subterranean formation. Each rigid coaxial section includes an inner conductor, a rigid outer conductor surrounding the inner conductor, and a dielectric therebetween. Each of the rigid outer conductors has threaded ends. The rigid RF coaxial transmission line includes a respective connector between adjacent ones of the series of rigid coaxial sections, each connector having a rigid outer layer threadingly secured to respective threaded ends of adjacent rigid outer conductors, and an electrically conductive liner carried by the rigid outer layer and defining an electrical joint between the adjacent rigid outer conductors. | 03-12-2015 |
20150083387 | RF ANTENNA ASSEMBLY WITH SPACER AND SHEATH AND RELATED METHODS - An RF antenna assembly is positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The RF antenna assembly includes first and second tubular conductors to be positioned within the wellbore, and having adjacent joined together ends, and first and second RF transmission line segments extending within the first and second tubular conductors and having adjacent joined together ends aligned with the joined together adjacent ends of the first and second tubular conductors. The RF antenna assembly includes a tubular sheath surrounding the first RF transmission line segment and having an outer surface, and a spacer received on the outer surface of the tubular sheath and extending between the tubular sheath and adjacent portions of the first tubular conductor. | 03-26-2015 |
20150129222 | HYDROCARBON RESOURCE HEATING APPARATUS INCLUDING RF CONTACTS AND ANCHORING DEVICE AND RELATED METHODS - A device for heating hydrocarbon resources in a subterranean formation having a wellbore therein may include a tubular radio frequency (RF) antenna within the wellbore, and a tool slidably positioned within the tubular RF antenna. The tool may include an RF transmission line and at least one RF contact coupled to a distal end of the RF transmission line and biased in contact with the tubular RF antenna. The tool may also include an anchoring device configured to selectively anchor the RF transmission line and the at least one RF contact within the tubular RF antenna. | 05-14-2015 |
20150129223 | HYDROCARBON RESOURCE HEATING APPARATUS INCLUDING RF CONTACTS AND GUIDE MEMBER AND RELATED METHODS - A device for heating hydrocarbon resources in a subterranean formation having a wellbore therein may include a tubular radio frequency (RF) antenna within the wellbore and a tool slidably positioned within said tubular RF antenna. The tool may include an RF transmission line and at least one RF contact coupled to a distal end of said RF transmission line and biased in contact with said tubular RF antenna. The tool may also include a guide member extending longitudinally outwardly from the distal end of said RF transmission line. | 05-14-2015 |
20150129224 | HYDROCARBON RESOURCE HEATING APPARATUS INCLUDING RF CONTACTS AND GREASE INJECTOR AND RELATED METHODS - A device for heating hydrocarbon resources in a subterranean formation having a wellbore therein may include a tubular radio frequency (RF) antenna within the wellbore and a tool slidably positioned within the tubular RF antenna. The tool may include an RF transmission line and at least one RF contact coupled to a distal end of the RF transmission line and biased in contact with the tubular RF antenna. The tool may also include a dielectric grease injector configured to inject dielectric grease around the at least one RF contact. | 05-14-2015 |
20150211336 | HYDROCARBON RESOURCE HEATING SYSTEM INCLUDING COMMON MODE CHOKE ASSEMBLY AND RELATED METHODS - A system for heating a hydrocarbon resource in a subterranean formation having a wellbore extending therein may include a radio frequency (RF) antenna configured to be positioned within the wellbore, an RF source, a cooling fluid source, and a transmission line coupled between the RF antenna and the RF source. A plurality of ring-shaped choke cores may surround the transmission line, and a sleeve may surround the ring-shaped choke cores and define a cooling fluid path for the ring-shaped choke cores and in fluid communication with the cooling fluid source. | 07-30-2015 |