Class / Patent application number | Description | Number of patent applications / Date published |
285123100 | For concentric tubes or pipes (e.g., well casing or wellhead type) | 44 |
20090079185 | Pipe assembly - A pipe assembly including secondary leak containment and leak indication is described with particular reference to a lubricant-carrying pipe for supplying oil to an internal bearing chamber in a gas turbine engine. The oil pipe crosses a hot gas zone to a manifold on the engine inner casing so that an oil leak is a potential fire hazard. The connection into the bearing chamber manifold includes a secondary containment system that ensures that any leakage from the oil pipe seal is contained within an interstitial space between the pipe and a co-axial, secondary containment member. The interstitial space opens into a relatively safe zone outside the outer engine casing where the fire or safety hazard is eliminated or does not exist. | 03-26-2009 |
20090322074 | External Hydraulic Tieback Connector - A connector for tie back liners. | 12-31-2009 |
20100230954 | HIGH-PRESSURE TUBING - A method for making conduits includes inserting an inner tube into an outer tube and melting a portion of the inner tube to form a bond with the outer tube. The inner tube includes a polymeric material and the outer tube includes a material having a greater yield strength than the polymeric material. A conduit includes one or more inner tubes at least one of which is melt-bonded to one or more outer tubes. An analytical instrument includes a separation column, a solvent reservoir and pump, a sample injector, a detector to observe an eluent of the separation column, and tubing to transport fluid between components of the instrument. | 09-16-2010 |
20110101676 | PIPE STALK AND METHOD OF ASSEMBLING A PIPELINE THEREFROM - A pipe stalk for a pipe-in-pipe pipeline, said pipe stalk including an outer pipe and at least one inner pipe located within the outer pipe, and having retaining assembly moveable between a first configuration for preventing axial movement of the inner pipe with respect to the outer pipe in a downwards direction and a second configuration for allowing axial movement of the outer pipe with respect to the inner pipe, whereby axial movement of the inner pipe with respect to the outer pipe can be prevented when the outer pipe is held during welding to an adjacent pipe stalk. | 05-05-2011 |
20110163534 | SOLAR HOT WATER STORAGE SYSTEM AND DUAL PASSAGEWAY FITTING ASSEMBLY - A dual passageway fitting assembly | 07-07-2011 |
20120068455 | ADAPTER FOR CONNECTING A RECEPTACLE CONNECTOR TO A COUPLING SOCKET OF A DIALYSIS MACHINE | 03-22-2012 |
20120098251 | CLAMPING DEVICE FOR CENTRING PIPES - A clamping device ( | 04-26-2012 |
20120248761 | Containment Pipe Fittings and Methods - A containment pipe fitting has an inner member ( | 10-04-2012 |
20130113205 | Expandable hose assembly coupling member - A coupling member assembly for a flexible hose, the flexible hose automatically expands longitudinally and laterally upon the application of a fluid pressure. Upon release of the fluid pressure within the hose, the hose will automatically contract to a contracted condition. The hose includes an inner tube made from an elastic material and an outer tube made from a non-elastic material that secured together by the coupling member. The inner tube is positioned concentrically within the outer tube in both a contracted condition and an expanded condition. The outer tube is secured to the inner tube only at a first end of the inner and outer tubes by use of a male coupler member and at a second end of the inner and outer tubes by use of a female coupler member. The outer tube moves laterally and longitudinally with respect to the inner tube when the tubes are transitioning between a contracted condition and an expanded condition. | 05-09-2013 |
20130270815 | FLUID CONDUIT SYSTEMS AND APPARATUS - A fluid conduit system comprising a first portion including a central pipe and a circumferential pipe surrounding the central pipe and coaxially aligned with the central pipe along a radial axis thereof, a second portion including a central pipe and a circumferential pipe surrounding the central pipe along the radial axis, the first portion being aligned with the second portion in the radial axis, and a tube configured for housing the central pipe of the first portion and the central pipe of the second portion therein, at a longitudinal distance between the central pipe of the first portion and the central pipe of the second portion, along a longitudinal axis thereof. | 10-17-2013 |
20130277962 | Duct Fittings - Concepts and technologies disclosed herein for duct fittings. According to various embodiments disclosed herein, duct fittings can be formed or assembled from two or more components including a collar and a clamp. The clamp and the collar can be assembled and/or mated together to form the duct fittings. The collar can have a first annular portion to which a first layer of a multilayered duct is attached or connected. The collar also can include a second annular portion that can include splines to which a second layer of the multilayered duct is attached. The splines can accommodate or form fluid passageways. The clamp can be located on top of the second layer and can include attachment mechanisms securing the clamp to a support surface. | 10-24-2013 |
20140375049 | Connections for Subsea Pipe-in-Pipe Structures - A reelable connection between facing ends of opposed pipe-in-pipe sections in which an end wall connects inner and outer pipes of each section to seal an end of an annular space defined between those pipes is disclosed. In each section, the inner pipe protrudes beyond the end wall and the outer pipe and is joined to an inner pipe of the opposed section, leaving opposed ends of the outer pipes of those sections spaced from each other. An insert positioned between the opposed ends of the outer pipes maintains the outer pipe diameter from one section to the other section across the connection. Also, a method of reeling having the steps of making a connection between such pipe-in-pipe sections, positioning an insert to lie substantially flush between the opposed facing ends of the outer pipes, and winding the sections joined by the connection onto a reel. | 12-25-2014 |
20150061281 | AXIALLY EXPANSIBLE PIPE ASSEMBLY - An axially expansible pipe assembly includes at least one internal pipe and an external pipe. The internal pipe is axially and radially expansible. The external pipe is only axially expansible. The axially expansible external pipe is used to wrap the internal pipe and confine radial expansion of the axially and radially expansible internal pipe in a predetermined range. | 03-05-2015 |
20160116095 | LINE CONNECTOR AND LINE SET FOR FLUID MEDIA - A line connector with two mutually separate flow paths for the connection of a pipe-in-pipe line. The line connector has an inner connecting element for connecting to an inner pipe of the pipe-in-pipe line, an outer connecting element for connecting to an outer pipe of the pipe-in-pipe line, a first attachment element for attachment of the first line to the the inner pipe, and a second attachment element for attachment of the second line to the outer pipe. The inner connecting element and the first attachment element are integrally formed on a separate attachment part. The outer connecting element is integrally formed on a separate pipe adapter part. And, the second attachment element is integrally formed on a separate connecting sleeve. the connecting sleeve permits at both sides, in the unassembled state, being pushed over the outer pipe. The invention also relates to a line set including the line connector. | 04-28-2016 |
285123300 | Having single suspended inner tube | 17 |
20100264647 | SPRAY SHIELD FOR COOLING IN COMPUTING SYSTEMS - A spray shield for a quick-disconnect fitting of a liquid cooling system for a computing system. The spray shield includes a first shield element and a second shield element. The first shield element and the second shield element having interlocking members for removably engaging the first shield element to the second shield element, forming a shield sleeve suitable for surrounding a connection between a quick-disconnect fitting and an actuator fitting. The shield sleeve substantially shields surroundings from cooling liquid spray from the connection. | 10-21-2010 |
20110233923 | CONNECTED STRUCTURE OF VACUUM DOUBLE PIPE, VACUUM DOUBLE PIPE, AND JOINT OF VACUUM DOUBLE PIPE - This invention provides a connected structure of vacuum double pipes. The connected structure comprises a plurality of vacuum double pipes and a joint configured to connect the plurality of vacuum double pipes. The vacuum passage is open at both end in an extension direction of the inner pipe and sealed between the both ends. The joint includes an inner pipe joint unit having inner pipe connectors and an outer pipe joint unit having outer pipe connectors. The evacuation passage is sealed between the outer pipe connectors that connect the vacuum passages of the outer pipes. | 09-29-2011 |
20130181438 | NESTED DUAL DRILL PIPE - A dual drill pipe includes a joint of drill pipe having a pin end and a box end. An inner pipe is disposed within an internal bore of the joint of drill pipe. A retainer is disposed proximate each longitudinal end of the inner pipe. A retaining feature is formed in an interior of the joint of drill pipe proximate each longitudinal end. The features are configured to engage a respective one of the retainers so that the inner pipe is held in longitudinally fixed relation to the joint of drill pipe. | 07-18-2013 |
20130207383 | Containment Pipe Fittings and Methods - In a method for installing a fitting ( | 08-15-2013 |
20130320666 | LOCKING DEVICE FOR PIPE MEMBER - A locking device for a pipe member includes a pipe member, a moving member, a locking member. At least a portion of the moving member is slidably disposed into the pipe member. The locking member is coupled to an end portion of the moving member. The locking member is made of an elastically deformable material and has an outer circumferential surface supported by an inner surface of the pipe member. When external force is transmitted to the locking member, the locking member is elastically deformed and is decreased in diameter. Accordingly, the moving member may be easily moved. | 12-05-2013 |
20160091130 | Telescopic flow-thru DE filter grid wand - A flow-thru telescopic tube apparatus connected at one end point to a fluid water source, such as a garden hose, such that water is forced thru one tube of a specific diameter, which reduces into a second rigid tube of a reduced diameter, of which has no end outlet, and is flared at one end to act as a stop, wherein the tubing is perforated, in part, on the other end, with a plurality of minute outlets of varying opposing orientations to allow pressurized streams of fluid to escape, for the purpose of the cleaning of commercial diatomaceous earth (DE) filter grids. The reduced tubing element has the embodiment of loosely fitting between and around all surface areas of commercial filter grids. The apparatus is comprised of a cam system that adjusts the apparatus length by sliding one tubing section into the other tubing section, locking securely at any point, in a water-tight manner. The cam system consists of a locking collar connecting a male connector at the confluence of the tubes and includes an o-ring, a tightening ring, and a ferrule. The perforated end of the tubing contains a removable plug as an alternative path of directional fluid. A grip may be included. A flow-control valve may be incorporated between the hose connection and the fluid source. | 03-31-2016 |
285123500 | Having inner tube anchored by slip means | 1 |
285123600 | Including packing means | 1 |
20080203725 | Air-Gap Insulated Motor Vehicle Exhaust Duct - An air-gap insulated vehicle exhaust duct has an outer pipe and an inner pipe, between which an air gap is formed. One of the two pipes has a flange fitted thereto, a seal being arranged between the flange and the other pipe, the seal largely sealing the air gap against the outside and, in addition, allowing relative axial and radial movement between the flange and the other pipe when thermal expansion occurs while driving. | 08-28-2008 |
285123120 | Including a seal | 10 |
20080246275 | Rotary Transmission Leadthrough Provided with a Gas Return Line - The aim of the invention is to provide a simple and compact design of a rotary transmission leadthrough ( | 10-09-2008 |
20090261578 | Plug-In Coupling for Cryogenic Lines - A plug-in coupling for cryogenic lines is described, having at least two pipes ( | 10-22-2009 |
20100237606 | END SEAL FOR PIPELINE - End seals, end seal kits, and methods for sealing the space between an outer casing and an inner pipe, which extends through the outer casing, are provided herein. The end seal may include a frustoconical seal member configured to seal the space at one end of the outer casing. A composite wrap covers the seal member. The kit includes a deformable sealing putty and a flexible wrap. The method includes: applying a deformable sealing putty to the outer casing and inner pipe; forming the sealing putty into a fluid tight seal, the seal having a hollow body with an annular segment disposed within the outer casing, and a frustoconical segment extending coaxially from the annular segment outside of the outer casing; wrapping a flexible fiberglass composite wrap around the frustoconical segment of the seal; and curing the fiberglass composite wrap. | 09-23-2010 |
20100308574 | DOUBLE PIPE APPARATUS - To provide a double pipe apparatus which prevents gas flowing through an outer pipe and an inner pipe from leaking outside the outer pipe. The double pipe apparatus ( | 12-09-2010 |
20110037251 | WELLHEAD PIPE COUPLING - A wellhead coupling and method for coupling and sealing an annulus formed between overlapping ends of an outer pipe and an inner pipe. A clamp housing grips the inner pipe, forms a horizontal landing base for the outer pipe, and forms circumferential ports aligned with the annulus. A seal ring and upper metal ring are located in the annulus, the seal ring being formed with ports to align with ports of the clamp housing, and the upper metal ring being formed with threaded holes to align with ports of the seal ring and the clamp housing. Threaded seal engaging members extend through the aligned ports for threaded connection in the threaded holes of the upper metal ring. A seal energizing member located within or below the clamp housing pulls downwardly on the threaded seal engaging members to energize the seal ring into sealing relationship in the annulus. | 02-17-2011 |
20130043672 | Fluidic Coupler Assembly With Conical Ferrule - A fluidic coupler assembly ( | 02-21-2013 |
20130076020 | SPLIT TEST BOOT - A boot assembly that reliably seals the secondary containment area utilizing a split boot device that can be installed without disconnecting the primary piping is disclosed. The seal includes first and second containment housings, each supporting a pair of partial ring shaped seals. The containment housings can be positioned about the primary and secondary pipes from opposing sides thereof so that disconnection of the primary pipe is not required to secure the seal in place. A clamp secures the first containment housing relative to the second containment housing in a secured position in which a first pair of partial ring seals associated with the first containment housing and a second pair of partial ring shaped seals associated with the second containment housing cooperate to form a pair of continuous ring shaped sealing surfaces including a first continuous ring shaped sealing surface including one of the first pair of partial ring shaped seals and one of the second pair of partial ring shaped seals, and a second continuous ring shaped sealing surface including a second one of the first pair of partial ring shaped seals and a second one of the second pair of partial ring shaped seals. | 03-28-2013 |
20130099476 | Connecting System for a Pipe with Two Lumina - The present invention relates to a connecting system in two parts ( | 04-25-2013 |
20130181439 | SEAL ASSEMBLY FOR NESTED DUAL DRILL PIPE - A seal assembly for a nested dual drill pipe includes a tube having a female seal assembly and a male seal assembly at the longitudinal ends. The female seal assembly includes a larger internal diameter portion, a taper adjacent thereto and a smaller internal diameter portion adjacent to the taper. The male seal assembly includes a smaller external diameter portion, a seal groove adjacent thereto and a larger external diameter portion adjacent to the seal groove. The smaller internal diameter portion and the larger external diameter portion have diameters selected to enable free longitudinal movement of the male seal assembly into the female seal assembly while limiting axial displacement to maintain the seal ring fully energized. | 07-18-2013 |
285123130 | Held by a means applied radially (e.g., set crew) | 1 |
20130234431 | Marine Riser Assembly - A marine riser assembly having a first tubular member having an external surface with a plurality of first axially spaced formations, a second tubular member having an external surface with a plurality of second axially spaced formations thereon, a segmented ring in surrounding relationship to the first and second tubular members, the segmented ring having an inner surface with a plurality of formations engageable with the formations on the first and second tubular members, the engageable formations serving to urge the first and second tubular members toward each other when the segmented ring is subjected to radially inwardly directed compressive forces, a sleeve in surrounding relationship to force the engageable formations together and a seal assembly for sealing against external and internal pressure. | 09-12-2013 |
285123150 | Double-walled or duplex joint | 13 |
20080211227 | Wall Bushing For Air Conditioner - A wall-penetrating sleeve of air conditioner comprises external pipe and internal pipe. The cross section of the external pipe is “sports ground” shape, and an inner circular wall of the external pipe is tangential to an outer circular wall of the internal pipe. An end of the internal pipe is connected to an air outlet port of the air conditioner, and an end of the external pipe is connected to an air inlet port. This invention prevents an air outlet pipe of a mobile air conditioner from sliding off the wall body. | 09-04-2008 |
20080277926 | Fluid Transfer Assembly - A fluid transfer assembly for transporting medicinal substances. The fluid transfer assembly includes flexible tubes and a manifold each comprising silicone. The manifold has an inner protrusion and connector portions having inner walls. Free ends of the tubes are inserted into complementary configured inner walls of the connector portions until each of the free ends abut the inner protrusion, which creates a continuous uninterrupted passageway between the inner bores of the tubes through the manifold. | 11-13-2008 |
20080315578 | Junction Part for Coaxial Pipe Elements, and a Method of Joining Together Coaxial Pipe Elements - A cylindrical junction part for joining together two elements of an assembly of at least two coaxial pipes, comprising an outer pipe containing an inner pipe defining an annular space preferably containing lagging material. The forged junction part forms two annular cavities defined by branches in a fork configuration at each end of said part serving to minimize stresses and fatigue in the join zone between two junction parts at the ends of two lengths of coaxial pipe to be joined together and between each length of pipe and each junction part at the ends thereof. | 12-25-2008 |
20090091126 | SHROUDED COUPLING ASSEMBLIES FOR CONDUITS - Provided are shrouded adapter assemblies for coupling together a first conduit and a second conduit. The conduits may both be single-walled or one may be shrouded. Thus, the first conduit may include an inner conduit and an outer conduit with a conduit annular space between the inner conduit and the outer conduit. The adapter assembly may include a first adapter body having a first end and a second end. The first end is configured to receive an end of the inner conduit of the first conduit, and to receive an end of the outer conduit of the first conduit. The adapter assembly also includes a second adapter body having a first end and a second end, where the first end of the second adapter body is configured to receive an end of the second conduit. The adapter assembly further includes a clamp operatively engaging and clamping the second end of the first adapter body to the second end of the second adapter body. The first adapter body and the second adapter body are each configured to provide fluid communication between the second conduit and the inner conduit and to isolate the conduit annular space from the second conduit and from the inner conduit. | 04-09-2009 |
20090102187 | BOOT SHROUDS FOR JOINTS IN CONDUITS - An exemplary embodiment provides a shrouded conduit joint assembly that includes a joint assembly and a boot shroud. The joint assembly includes a first ferrule having a first seal, and a second ferrule having a second seal. A clamp operatively engages the first ferrule and the second ferrule. The boot shroud surrounds the joint assembly and is spaced from the joint assembly to create a leak detection space between the joint assembly and the boot shroud. | 04-23-2009 |
20090236849 | Double pipe connection structure and method for connecting double pipe - The present invention provides a double pipe connection structure where, in a distal end portion of an outer pipe of a double pipe, an outer pipe expanded part detached from a supporting rib and having a diameter expanded more than that of a general part of the outer pipe is formed; the outer pipe is coupled with a joint member by caulking a collar part at a periphery of an open end portion of a large diameter hole of the joint member in a state that an inner pipe end portion of the double pipe is inserted into a small diameter hole while an inner pipe side O-ring mounted on an outer periphery thereof is press-contacted with an inner periphery of the small diameter hole of the joint member; and the outer pipe expanded part is inserted into the large diameter hole while an outer pipe side O-ring mounted on an outer periphery thereof is press-contacted with an inner periphery of the large diameter hole of the joint member. | 09-24-2009 |
20090256352 | Aircraft Fuel Pipe Coupling - A coupling for connecting double-walled fuel comprises a pipe end fitting ( | 10-15-2009 |
20090284004 | DOUBLE CONTAINMENT SYSTEM, FITTINGS FOR FLUID FLOW COMPONENTS AND ASSOCIATED METHODS - A method and apparatus for joining the ends of concentric inner and outer tube to a double containment fitting are disclosed, as are related methods of fabrication and systems. The apparatus uses a threaded coupling to compressively engage and seal the ends of both the inner and outer tubes to the double containment fitting. The double containment fitting includes inner and outer noses and a threaded annular body and annular nut. The inner nose may be at least partially inserted within a flared end of the inner tube, and the outer nose may encircle the inner tube and be inserted within the flared end of the outer tube. The inner and outer noses and the inner and outer tubes may be engaged in a relationship within bores through the annular body and the annular nut. Threadably engaging the annular nut with the annular body may establish seals between the components. | 11-19-2009 |
20110163535 | Double-pipe Joint - In a double-pipe joint for connecting and coupling a double pipe H consisting of outer and inner pipes h | 07-07-2011 |
20110169261 | Double-pipe Joint - In a double-pipe joint for connecting and coupling a double pipe H consisting of outer and inner pipes h | 07-14-2011 |
20120228865 | Independently expandable double containment joint - A double containment pipe system with an expandable joint. The double containment pipe system may comprise an inner, or carrier, pipe assembly and an outer, or containment, pipe assembly. The expandable joint allows the inner, or carrier, pipe assembly and an outer, or containment, pipe assembly to expand axially independently. Such an expandable joint for a double containment pipe system may be beneficial where the carrier and containment pipe assemblies expand or contract at different rates due to different materials and/or different temperature environments. | 09-13-2012 |
20150130183 | DOUBLE WALL TUBE ADAPTER AND JOINT - A joint for a double wall tube assembly includes an adapter having an inner wall and an outer wall connected by a web, and a flange extending from the outer wall. The inner wall is configured to receive an inner tube of a double wall tube assembly. The outer wall is configured to be connected to an outer tube of the double wall tube assembly. | 05-14-2015 |
20150369413 | DOUBLE WALL TUBE BOLTED FLANGE FITTING - A flange fitting for attaching to double wall tubes includes a fitting center port, a plurality of fitting mounts, inner and outer seal surfaces, fluid communication ports, and a connections surface. The fitting center port extends through the fitting for passing a primary fluid flow. The fitting mounts are spaced radially away from the center port for receiving fasteners. The inner and outer seal surfaces are predominantly flat. The fluid communication ports for pass a secondary fluid flow and fluid communication ports extend through the fitting from between the inner and outer seal surfaces to the connection surface between the inner sleeve connection and the outer connection. The connection surface is on a side of the fitting opposing the seal surfaces. The connection surface includes an inner sleeve connection and an outer connection. | 12-24-2015 |