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| Number | Title | Issue Date |
| 8056585 | Flexible pipe The invention relates to a flexible pipe for transportation of fluids and gasses, e.g. useful in water transportation, and in offshore transportation of crude oil e.g. from seabed to an installation or between installations. The flexible pipe of the invention compri... | 11/15/2011 |
| 7946313 | Flexible pipe A flexible pipe for fluid transport especially in offshore application has a first extruded tube having nylon and a first layer having aromatic polyamide disposed about the first tube. A plurality of rings composed of stainless steel are disposed about the first lay... | 05/24/2011 |
| 7891384 | Flexible tubular pipe for transporting gaseous hydrocarbons The invention relates to a flexible tubular duct for transporting gases under high pressure in the field of offshore oil exploitation. The duct is of the unlinked and smooth passageway type, and comprises from inside to outside an inner polymer tube, a pressure vaul... | 02/22/2011 |
| 7766051 | Stabilized flexible pipe for transporting hydrocarbons The invention relates to a flexible pipe for transporting hydrocarbons, comprising the following, from the inside towards the outside: a cylindrical structural set adapted in such a way that it can withstand radial stress and at least one first armure lap, said firs... | 08/03/2010 |
| 7735524 | Hose A hose (10) comprising a tubular body (12) of flexible material arranged between an inner and an outer helically wound wire (22, 24). The hose (10) further comprises an elongate member having opposing longitudinal edges, the elongate memb... | 06/15/2010 |
| 7445030 | Flexible tubular pipe, especially for oil production, having a PTFE winding A flexible tubular pipe, for example, for the transport of hydrocarbons. The pipe comprises successive independent layers including helical coils of strips or different sections and at least one polymer sheath. At least one of the coils is a strip or strips of polyt... | 11/04/2008 |
| 7350584 | Formed tubulars A method of lining a drilled bore comprises running a tubular into a drilled bore and then corrugating the tubular in the bore. The tubular may also be expanded in the bore. In other aspects of the invention the tubular is corrugated prior to running into the bore a... | 04/01/2008 |
| 7328725 | Reinforced hose A reinforced hose according to an embodiment of the present invention includes a first reinforcing layer having a reinforcement material with a first tensile strength. A second reinforcing layer overlays the first reinforcing layer and includes a reinforcement mater... | 02/12/2008 |
| 7318454 | Flexible tubular duct for the transport of fluid and particularly gaseous hydrocarbons with an anti-turbulence carcass and internal lining A flexible tubular pipe for transporting hydrocarbons, the pipe comprising at least one carcass, an internal pressure sheath and one or more armor layers. The carcass forms the innermost structural element of the pipe and consists of an interlocked spiral winding of... | 01/15/2008 |
| 7311123 | Flexible tubular pipe A flexible tubular pipe comprising a metal carcass helically coiled about a longitudinal axis of said flexible pipe and the carcass comprises a seamed profiled hollow tube. ... | 12/25/2007 |
| 7302973 | Reinforced flexible pipeline having a thermal barrier A reinforced flexible pipeline (1), which has an inner liner (3) whose inner side engages an inner reinforcement layer (2) that may be formed by a so-called carcass, and on whose outer side at least a strength-imparting reinforcement layer (4... | 12/04/2007 |
| 7234410 | Buoyancy control systems for tubes A buoyancy control system for controlling the buoyancy of a tube may includes generally tubular length of buoyancy control material having a selected buoyancy characteristic. The length of buoyancy control material may be attached to a section of the length of the t... | 06/26/2007 |
| 7219700 | Flexible pipe and method for producing the same In a flexible pipe having shape retaining capabilities, a first pipe is provided having a first base wire and a first subsidiary wire, the first base wire being wound in a spiral manner, the first subsidiary wire externally covering the first base wire and being fit... | 05/22/2007 |
| 7185677 | Helical formation for a conduit A helical formation (2) for a conduit (1). The helical formation (2) comprises an elongate member defining at least a portion of a helix, the elongate member comprising two inwardly extending portions (6, 7). The inwardly extending portio... | 03/06/2007 |
| 7152632 | Systems and methods for pipeline rehabilitation The present disclosure is directed to methods and systems for pipeline rehabilitation. The methods and systems disclosed herein permit the rehabilitation of long lengths of previously installed pipe and minimize the need for creating multiple access points to the pi... | 12/26/2006 |
| 7124780 | Flexible tubular fluid-transfer conduit A flexible tubular pipe having a pressure sheath, a pressure vault comprising at least one pressure-resistant armor, an intermediate sheath and at least one tensile armor layer. The inner annular space formed between the pressure sheath and the intermediate sheath c... | 10/24/2006 |
| 7121591 | Flexible metal hose assembly and method of making the same A hose assembly including an elongated flexible metal hose attached to a hose fitting having a fitting body defining a passageway for conveying material. The fitting body has a mating portion for connecting the hose assembly to a corresponding fitting which delivers... | 10/17/2006 |
| 7114526 | Composite hose with a corrugated metal tube A composite hose comprises a corrugated metal tube as barrier layer against permeation of conveyed fluid and a reinforcing layer which is formed by braiding a reinforcing wire member made of a metal wire. A braid density of the reinforcing layer is 55% or less. ... | 10/03/2006 |
| 7114751 | Composite liner for oilfield tubular goods A composite lined tube is disclosed having end couplings. The tube includes a resin impregnated fiber preform pressed progressively along an inner wall of the tube. The tube may further include an inflatable bladder inserted into the tube. The bladder is adapted to ... | 10/03/2006 |
| 7104285 | Hose with corrugated metal tube A hose with corrugated metal tube comprises a corrugated metal tube as innermost layer and outer layer in a radially outer side thereof including elastic layer and reinforced layer. The reinforced layer is braided with reinforcing filament members at a braid or wind... | 09/12/2006 |
| 7096814 | Variable buoyancy device The method of constructing a hull for ocean profiling or gliding vehicles which reduce the energy required to make vertical excursions. Composite materials are used in constructing the hull, specifically a fiber reinforced matrix, wherein the choice of the fiber mat... | 08/29/2006 |
| 7069956 | Marina piping A marina pipe includes a flexible conduit resistant to mechanical stresses, the conduit adapted to surround the secondarily contained flexible piping. The conduit comprises a metallic core and a thermoplastic jacket. The secondarily contained flexible piping compris... | 07/04/2006 |
| 7069955 | Flexible armoured pipe and use of same An armoured flexible pipe consists of an inner liner (3), which surrounds a carcass (1, 2). On the other side of the inner liner (3) there are two armour layers, where the innermost (5, 6) is a pressure armour layer, while the outermost (... | 07/04/2006 |
| 7064276 | Communication cable, and communication wire protecting tube A communication cable having a communication wire and an armor including at least two synthetic resin layers, and protects the communication wire in a loose state. The communication wire protecting tube includes at least two synthetic resin layers, and inserts the c... | 06/20/2006 |
| 7055551 | Flexible pipe and method of manufacturing same A flexible pipe and a method of manufacturing same according to which the pipe is formed by multiple layers of different materials and suitable for use in subsea and land-based applications. ... | 06/06/2006 |
| 7052209 | Corrugated stormwater chamber An arch shape cross section chamber for receiving and dispersing stormwater when buried beneath the surface of the earth is corrugated and has a cross section geometry which is a continuous curve. Preferably, the curve is a truncated semi-ellipse. A chamber also has... | 05/30/2006 |
| 7040569 | Winding tube and method for the production thereof The invention relates to a winding tube for winding up bands, films, sheets of metal or similar made of a spiral shaped wound metal strip whose adjacent strip windings overlap at least partially. The metal strip has a corrugated or ribbed profile in the cross-sectio... | 05/09/2006 |
| 7029356 | Buoyancy control systems for tubes Buoyancy control methods for tubes are described. In one embodiment, a buoyancy control method can include a composite tube and a buoyancy control material for controlling the buoyancy of the composite tube. The composite tube can include an internal liner an extern... | 04/18/2006 |
| 7000644 | Flexible hose A flexible hose for use as a refrigerant passageway in a vehicular refrigerating cycle has an inner hose and an outer hose. The outer hose covers the inner hose with a space formed in a given distance. The outer hose and the inner hose are formed of resin having fle... | 02/21/2006 |
| 7000645 | Armoured, flexible pipe A flexible, armored pipe is disclosed. In an exemplary embodiment, the flexible, armored pipe includes an impermeable liner, an outer armoring layer, and an inner armoring layer. The inner armoring layer includes one or more wound armoring elements, and the outer ar... | 02/21/2006 |
| 6981526 | Armoured flexible pipe and use of same An armoured flexible pipe has an inner liner (3) surrounded by a pressure armour (5, 6) that is surrounded by a tensile armour (7, 8). The pressure armour (5, 6) is constructed from a number of profiles (5, 6, 10, 11, 12, 14, 14... | 01/03/2006 |
| 6978806 | Armored, flexible pipe and use of same A flexible, armoured pipe has an impermeable inner liner (3), which is surrounded by at least two reinforcement layers (5, 6, 7, 8). Between the reinforcement layers an impermeable membrane (10) is provided, which ensures that fluids do not perm... | 12/27/2005 |
| 6978804 | Systems and methods for pipeline rehabilitation The present disclosure is directed to methods and systems for pipeline rehabilitation. The methods and systems disclosed herein permit the rehabilitation of long lengths of previously installed pipe and minimize the need for creating multiple access points to the pi... | 12/27/2005 |
| 6966344 | Device for limiting the lateral buckling of armouring plies of a flexible pipe For limiting the lateral buckling of tensile armor plies of an underwater flexible pipe, that can be used in the offshore oil industry, the plies include from the outside inward, at least one external polymer sheath, a first outward retention layer of a defined thic... | 11/22/2005 |
| 6966814 | Hoop-type amusement device An improved hoop-type amusement system is disclosed wherein a plurality of variously sized and shaped connectable components may be selectively interconnected by the user to form simple and complex hoop configurations of a particular size and complex geometric shape... | 11/22/2005 |
| 6959735 | Multilayer flexible hose The present invention relates to a multilayer flexible hose, preferably for fuel or coolant lines in an automotive vehicle, comprising a support layer and a metallic barrier layer which is fixedly connected to said support layer, and to a method of producing the sam... | 11/01/2005 |
| 6926039 | Flexible pipe for transporting a fluid A flexible pipe for transporting a fluid comprising an outer sealing polymer sheath, at least a pair of armor wraps helically and long-pitch wound, and a polymer pressure sheath. The pressure sheath consists of an inner tube arranged in an outer tube, and grooves ar... | 08/09/2005 |
| 6904939 | Flexible tubular pipe for hydrocarbon transport with carcass consisting of an elongated element stapled with a band iron A flexible tubular pipe for hydrocarbon transport, comprising from inside to outside at least a carcass, an inner sheath, tensile armoring plies and an outer sheath, wherein the carcass is formed by winding of at least an anti-corrosive elongated metal element with ... | 06/14/2005 |
| 6889718 | Armoured, flexible pipe and use of same Flexible, armored pipes and methods of using the same are disclosed. In an exemplary embodiment, the flexible, armored pipe includes an inner liner which is surrounded by a pressure armor. The inner liner may be built-up by joining together profiles that have a numb... | 05/10/2005 |
| 6889717 | Flexible conduit with pressure vault interlocked from below A flexible tubular pipe comprising at least, from the inside outwards, an internal sealing sheath made of a polymer material, a cylindrical pressure vault having an external face and having an internal face placed over the internal sheath. The vault is a winding, in... | 05/10/2005 |
