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| Number | Title | Issue Date |
| 7709731 | Electric power supply and a method of production thereof A power supply system including an element connected to a remote power supply source or power consumer through an electric power supply device. The element is movably arranged in relation the source or consumer in an environment in which at least a part of the power... | 05/04/2010 |
| 7525040 | Electrical power transmission device having a phase conductor and an encasing conductor An electrical power transmission device has a phase conductor and an encasing conductor. The phase conductor is used for transmission of an electrical power flow. The encasing conductor is divided into a plurality of sections, and the sections are connected by way o... | 04/28/2009 |
| 7514628 | Cable laying configuration A laid cable configuration contains cables, preferably electric cables, data and information transport cables and/or control cables, in particular fiber optic cables, and fluid transport tubes and is to be disposed in galleries, tunnels, shafts, pipes, channels or t... | 04/07/2009 |
| 7359845 | Method and system for predictive stratigraphy images Methods and systems are provided for displaying and forecasting the lithology and wellbore conditions to be encountered while conducting drill string operations in a wellbore. A method and system is described for predicting and modeling lithology while operating a d... | 04/15/2008 |
| 7271721 | Protected distribution system An information transmission system comprising a conductor operable to carry a desired information signal. A first tube substantially surrounds the conductor and a second tube substantially surrounds the first tube to define a substantially fluid-tight chamber thereb... | 09/18/2007 |
| 7239781 | Composite fiber radial compression members in an umbilical The present inventions relate generally to umbilicals comprising at least one inner tube and at least one composite fiber element to provide greater resistance to radial compressive forces. Such umbilicals may be used in subsea hydrocarbon production applications. | 07/03/2007 |
| 7205947 | Litzendraht loop antenna and associated methods The antenna includes a Litz wire loop having a plurality of individually insulated wires braided together and a plurality of splices therein to define distributed capacitors. A magnetically coupled feed loop is provided within the electrically conductive loop, and a... | 04/17/2007 |
| 7109717 | System and method for hydrocarbon reservoir monitoring using controlled-source electromagnetic fields The system and method for real-time monitoring of a hydrocarbon reservoir (4) during extraction include an electro-magnetic source assembly (16) for transmitting a first plurality of electromagnetic fields. A plurality of seafloor antennae (30 | 09/19/2006 |
| 7057104 | Large-radius conduit bodies Large-radius conduit box bodies for connecting electrical or telecommunications conduits have a body defining a chamber with an axial hub at one or both ends and at least one perpendicular hub defining passageways communicating with the chamber. The perpendicular hu... | 06/06/2006 |
| 6959757 | Black layer coated heat exchanger Hot combustion products exchange heat with air in a heat exchanger of a condensing furnace. The hot combustion products flow on one side of the heat exchanger, and the air flows on the opposing side of the heat exchanger. The heat exchanger is electrochemically coat... | 11/01/2005 |
| 6580029 | Electrical and telecommunications conduit bodies An electrical and telecommunications conduit body for connecting electrical conduits. The conduit body includes a body defining a chamber and hubs defining passageways communicating with the chamber. The conduit body includes a guide surface disposed betw... | 06/17/2003 |
| 6465730 | Fabrication of a circuit module with a coaxial transmission line Interconnections are made through a planar circuit by a monolithic short-circuited transmission path which extends from a circuit portion of the planar circuit to the opposite side. The opposite side is ground sufficiently to remove the short-circuiting p... | 10/15/2002 |
| 6176022 | Removing moisture from hollow guiding members such as cable ducts With the object of removing moisture from a system of N.gtorsim.2 elongated hollow guiding members (20) for cable-like elements (27), in the system a gas flow (G) is maintained. The gas flow is supplied to the system by way of a gas-supply opening (29) of... | 01/23/2001 |
| 6087590 | Enclosed high-voltage electric line An enclosed high-voltage electric line having a high-voltage electric conductor (2) which is supported inside an enclosure (1) by one or more supporting elements (3, 4, 5), each with at least one insulator part (6, 7, 8). The conductor has at least one bo... | 07/11/2000 |
| 5985181 | Semiconductive resin composition and process for producing the same There is provided a semiconductive resin composition comprising the following components (A), (B), (D) and (E): (A) 5 to 100 parts by weight of a modified ethylene copolymer obtainable by subjecting an ethylene copolymer (a1) and a vinyl monomer (a2) to graft ... | 11/16/1999 |
| 5956445 | Plenum rated cables and shielding tape A plenum rated cable having a core that includes a transmission medium of a plurality of insulated conductors preferably having thereon an insulating layer of a fluorinated ethylene composition. A shield surrounds the insulated conductors and extends long... | 09/21/1999 |
| 5930415 | Monitoring device for a gas-insulated cable A gas-insulated cable includes a plurality of sections separated by sealed partitions, each section including a cylindrical steel case, a cylindrical aluminum screen coaxial with and inside the case and three conductors. A monitoring device includes, betw... | 07/27/1999 |
| 5860768 | System for transmitting electrical energy having at least one underground, high-voltage electrical conductor, and a method for producing such a system The system serves to transmit electrical energy in conurbations. It has a gas-insulated cable (1) having at least one high-voltage electrical conductor (8) arranged in a pipe (101) filled with insulating gas. The gas-insulated cable (1) contains at least ... | 01/19/1999 |
| 5777260 | Coaxial cable additionally having at least one light waveguide An intermediate layer in which at least one channel-like depression is provided on the outer conductor of a coaxial cable. The depression proceeds helically with respect to the cable axis and at least one light waveguide is arranged in it. An outside enve... | 07/07/1998 |
| 5717576 | Device and method for protecting electronic units in a satellite from electrical disturbance Device and method of protecting a satellite from undesired electrical disturbances without significantly increasing the satellite's weight. The device includes two faraday cage structures around the electronic units of the satellite. The two structures ar... | 02/10/1998 |
| 5698615 | Cable with a filling compound and method for the manufacture thereof A cable has a filling compound (CA1, CA2) containing a swelling powder and at least one additive substance. This additive substance is mixed with the swelling powder and lies between the particles of the swelling powder to provide good water accessibility... | 12/16/1997 |
| 5689088 | Gas insulated device, gas insulated switchgear, gas insulated bus line, and cable direct-coupled gas insulated switchgear A gas insulated device includes a grounded tank filled with an insulating gas and having a conical insulator spacer securely mounted therein to define an interior space. A through-type electric connector extends through and is supported by the insulated s... | 11/18/1997 |
| 5684270 | Joint with a boss for a long distance gas-insulated three-phase cable A joint with a boss for fitting to an assembly compartment for assembling together two adjacent lengths of a long-distance gas-insulated three-phase cable, the joint including a boss containing the seats of an externally-controllable valve whose drive com... | 11/04/1997 |
| 5666452 | Shielding tape for plenum rated cables A plenum rated cable having a core that includes a transmission medium of one or more copper or tin-copper conductors having thereon an insulating layer of an ethylene-chloro tetrafluoro ethylene composition. A first shield surrounds the core and extends ... | 09/09/1997 |
| 5571990 | Gas-insulated single-phase cable for transporting electricity A gas-insulated single-phase cable for long-distance transport of electricity under high tension, the cable including a cylindrical steel case filled with nitrogen under a pressure of at least 10 hectopascals, an aluminum- or copper-based metal conductor ... | 11/05/1996 |
| 5571989 | Gas-insulated high-tension line for long distances A gas-insulated high-tension three-phase electricity line which includes a cylindrical steel case and three conductors disposed parallel to the axis of the case, and a magnetic screen constituted by a cylindrical aluminum case placed inside the steel case... | 11/05/1996 |
| 5565652 | Electrical power transmission line An electrical power transmission line is particularly adapted for the transmission of electrical power from relatively small and remotely located hydroelectric sites and over rugged terrain. The line has a plurality of conducting elements, preferably asse... | 10/15/1996 |
| 5530200 | Three-phase metal-clad electricity line, and method of manufacture A three-phase metal-clad electricity line insulated by gas under pressure, the line including a plurality of lengths each constituted by modules that are assembled together end-to-end, each length being sealed relative to the outside and relative to adjac... | 06/25/1996 |
| 5496965 | Line for conveying electrical power A three-phase electrical power line comprising a sealed tubular envelope of steel filled with insulating gas under pressure, e.g. nitrogen or carbon dioxide CO2, and having three conductive bars placed therein together with a thin tubular envel... | 03/05/1996 |
| 5457285 | Naval electrical power cable and method of installing the same Naval power cable comprises a plurality of insulated electrical conductors, at least a pair of strip cords, a water blocking layer, and a jacket layer. Each electrical conductor has a longitudinal extent and is helically intertwined with the other electri... | 10/10/1995 |
| 5434353 | Self-supporting insulated conductor arrangement suitable for arrangement in a vacuum container A self-supporting electric conductor arrangement, in particular a coil, suitable for arrangement in a vacuum container, contains, as a supporting structure, a tube (18a) of insulating material, e.g. quartz glass, in which is arranged an electric conductor... | 07/18/1995 |
| 5349131 | Electrical wiring material and transformer An electrical wiring material having a cooling function is characterized by a long hollow conductive body within which operating fluid is internally confined. An electrical connection piece is provided at the end portions of the conductive body, or other ... | 09/20/1994 |
| 5306868 | Naval electrical power cable and method of installing the same Naval power cable comprises a plurality of insulated electrical conductors, at least a pair of strip cords, a water blocking layer, and a jacket layer. Each electrical conductor has a longitudinal extent and is helically intertwined with the other electri... | 04/26/1994 |
| 5302780 | Split coaxial cable conductor and method of fabrication A coaxial cable conductor (20) comprises a center conductor (22) having a preselected longitudinal shape and a longitudinally split outer conductor (24). The split outer conductor (24) includes a first partial outer conductor (60) comprising a portion of ... | 04/12/1994 |
| 5264660 | High-voltage system A high-voltage system has an insulation-gas filled metallic encapsulation which surrounds active parts to which voltage is applied. A first protective coating (3) is provided on the internal surface of the encapsulation, as it is on the external surface o... | 11/23/1993 |
| 5185497 | Single-pole gas-insulated line duct A single-pole gas-insulated line duct has a enclosing tube and an inner conductor held centered in place in the enclosing tube by support insulators. Electrode bodies embedded in arms of the support insulators engage either in a slot between flanges of se... | 02/09/1993 |
| 5166473 | Naval electrical power cable and method of installing the same Naval power cable comprises a plurality of insulated electrical conductors, at least a pair of strip cords, a water blocking layer, and a jacket layer. Each electrical conductor has a longitudinal extent and is helically intertwined with the other electri... | 11/24/1992 |
| 5151143 | Moisture-impermeable electric conductor In the manufacture of a cable core comprising a moisture-impermeable multi-wire conductor, the conductor is stranded in a conventional manner and, after a fluid-impermeable layer of plastics material has been extruded over the conductor to form the core, ... | 09/29/1992 |
| 5142100 | Transmission line with fluid-permeable jacket A structure for an electrical cable which may be used as a high-frequency signal transmission line and which includes a jacket which is highly permeable by fluids to reduce the time required for stabilization of impedance and transmission speed of the cab... | 08/25/1992 |
| 5115103 | Insulated conductor and method of producing the same This invention relates to a novel coating structure composed of a mixture of an energy irradiation curable resin composition and microspheres, which is used to form a thinfilm coating on a small diameter conductor, thus producing an insulated conductor wh... | 05/19/1992 |
