Patents by Inventor Raburn L. Hughey
Raburn L. Hughey has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6972376Abstract: In order to provide a flexible oxide superconducting cable which is reduced in AC loss, tape-shaped superconducting wires covered with a stabilizing metal are wound on a flexible former. The superconducting wires are preferably laid on the former at a bending strain of not more than 0.2 %. In laying on the former, a number of tape-shaped superconducting wires are laid on a core member in a side-by-side manner, to form a first layer. A prescribed number of tape-shaped superconducting wires are laid on top of the first layer in a side-by-side manner, to form a second layer. The former may be made of a metal, plastic, reinforced plastic, polymer, or a composite and provides flexibility to the superconducting wires and the cable formed therewith.Type: GrantFiled: December 15, 2004Date of Patent: December 6, 2005Assignee: Southwire CompanyInventors: Raburn L. Hughey, Uday K. Sinha, David S. Reece, Albert C. Muller
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Patent number: 6936772Abstract: In order to provide a flexible oxide superconducting cable which is reduced in AC loss, tape-shaped superconducting wires covered with a stabilizing metal are wound on a flexible former. The superconducting wires are preferably laid on the former at a bending strain of not more than 0.2%. In laying on the former, a number of tape-shaped superconducting wires are laid on a core member in a side-by-side manner, to form a first layer. A prescribed number of tape-shaped superconducting wires are laid on top of the first layer in a side-by-side manner, to form a second layer. The former may be made of a metal, plastic, reinforced plastic, polymer, or a composite and provides flexibility to the superconducting wires and the cable formed therewith.Type: GrantFiled: August 18, 2004Date of Patent: August 30, 2005Assignee: Southwire CompanyInventors: Raburn L. Hughey, Uday K. Sinha, David S. Reece, Albert C. Muller
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Patent number: 6867375Abstract: In order to provide a flexible oxide superconducting cable which is reduced in AC loss, tape-shaped superconducting wires covered with a stabilizing metal are wound on a flexible former. The superconducting wires are preferably laid on the former at a bending strain of not more than 0.2%. In laying on the former, a number of tape-shaped superconducting wires are laid on a core member in a side-by-side manner, to form a first layer. A prescribed number of tape-shaped superconducting wires are laid on top of the first layer in a side-by-side manner, to form a second layer. The former may be made of a metal, plastic, reinforced plastic, polymer, or a composite and provides flexibility to the superconducting wires and the cable formed therewith.Type: GrantFiled: August 22, 2002Date of Patent: March 15, 2005Assignee: Southwire CompanyInventors: Raburn L. Hughey, Uday K. Sinha, David S. Reece, Albert C. Muller
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Patent number: 6864430Abstract: In order to provide a flexible oxide superconducting cable which is reduced in AC loss, tape-shaped superconducting wires covered with a stabilizing metal are wound on a flexible former. The superconducting wires are preferably laid on the former at a bending strain of not more than 0.2%. In laying on the former, a number of tape-shaped superconducting wires are laid on a core member in a side-by-side manner, to form a first layer. A prescribed number of tape-shaped superconducting wires are laid on top of the first layer in a side-by-side manner, to form a second layer. The former may be made of a metal, plastic, reinforced plastic, polymer, or a composite and provides flexibility to the superconducting wires and the cable formed therewith.Type: GrantFiled: January 30, 2002Date of Patent: March 8, 2005Assignee: Southwire CompanyInventors: Raburn L. Hughey, Uday K. Sinha, David S. Reece, Albert C. Muller
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Publication number: 20030183410Abstract: On order to provide a flexible oxide superconducting cable which is reduced in AC loss, tape-shaped superconducting wires covered with a stabilizing metal are wound on a flexible former. The superconducting wires are preferably laid on the former at a bending strain of not more than 0.2%. In laying on the former, a number of type-shaped superconducting wires are laid on a core member in a side-by-side manner, to form a first layer. A prescribed number of tape-shaped superconducting wires are laid on top of the first layer in a side-by-side manner, to form a second layer. The former may be made of a metal, plastic, reinforced plastic, polymer, or a composite and provides flexibility to the superconducting wires and the cable formed therewith.Type: ApplicationFiled: June 9, 2003Publication date: October 2, 2003Inventors: Uday K. Sinha, Raburn L. Hughey, Jerry Tolbert, Michael J. Gouge, J.W. Lue
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Patent number: 6596945Abstract: In order to provide a flexible oxide superconducting cable which is reduced in AC loss, tape-shaped superconducting wires covered with a stabilizing metal are wound on a flexible former. The superconducting wires are preferably laid on the former at a bending strain of not more than 0.2%. In laying on the former, a number of tape-shaped superconducting wires are laid on a core member in a side-by-side manner, to form a first layer. A prescribed number of tape-shaped superconducting wires are laid on top of the first layer in a side-by-side manner, to form a second layer. The former may be made of a metal, plastic, reinforced plastic, polymer, or a composite and provides flexibility to the superconducting wires and the cable formed therewith.Type: GrantFiled: September 9, 1999Date of Patent: July 22, 2003Assignee: Southwire CompanyInventors: Raburn L. Hughey, Uday K. Sinha, David S. Reece, Albert C. Muller
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Publication number: 20030000731Abstract: In order to provide a flexible oxide superconducting cable which is reduced in AC loss, tape-shaped superconducting wires covered with a stabilizing metal are wound on a flexible former. The superconducting wires are preferably laid on the former at a bending strain of not more than 0.2%. In laying on the former, a number of tape-shaped superconducting wires are laid on a core member in a side-by-side manner, to form a first layer. A prescribed number of tape-shaped superconducting wires are laid on top of the first layer in a side-by-side manner, to form a second layer. The former may be made of a metal, plastic, reinforced plastic, polymer, or a composite and provides flexibility to the superconducting wires and the cable formed therewith.Type: ApplicationFiled: August 22, 2002Publication date: January 2, 2003Inventors: Raburn L. Hughey, Uday K. Sinha, David S. Reece, Albert C. Muller
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Publication number: 20020134574Abstract: In order to provide a flexible oxide superconducting cable which is reduced in AC loss, tape-shaped superconducting wires covered with a stabilizing metal are wound on a flexible former. The superconducting wires are preferably laid on the former at a bending strain of not more than 0.2%. In laying on the former, a number of tape-shaped superconducting wires are laid on a core member in a side-by-side manner, to form a first layer. A prescribed number of tape-shaped superconducting wires are laid on top of the first layer in a side-by-side manner, to form a second layer. The former may be made of a metal, plastic, reinforced plastic, polymer, or a composite and provides flexibility to the superconducting wires and the cable formed therewith.Type: ApplicationFiled: January 30, 2002Publication date: September 26, 2002Inventors: Raburn L. Hughey, Uday K. Sinha, David S. Reece, Albert C. Muller
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Patent number: 5043538Abstract: A water impervious cable construction for aerial, underground, or underwater use which includes at least one central electrical conductor, an overlayer of insulation material such as a plastic, a shield layer formed of a plurality of individual conductors (or the equivalent) which may be spirally wrapped and which shield layer is embedded in a layer of semiconducting material (which may also be a plastic), a layer of overlapped moisture barrier metal foil material, and a further overlayer of insulating material. The cable is manufactured on a substantially conventional cable extrusion line in which the partially manufactured cable (insulated core or cores wrapped with the shield conductors) is introduced into an extruder and a layer of semiconducting material is extruded thereon, wrapped with metal foil tape (which may include an edge located sealant), and introduced into a subsequent extruder to form one or more outer coatings.Type: GrantFiled: July 3, 1989Date of Patent: August 27, 1991Assignee: Southwire CompanyInventors: Raburn L. Hughey, Jr., Jerry M. Hesterlee, Frank R. Thrash, Jr.