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| Number | Title | Issue Date |
| 7837236 | Pipe connection having a reshaped pipe A pipe connection has a aped pipe, a screw fitting body having an internal cone, a union nut, screwable onto the screw fitting body, having an internal clamping face, which, in the operating state of the pipe connection, works together with an outwardly projecting r... | 11/23/2010 |
| 7784837 | Fitting for metal pipe and tubing A tube fitting for connection with a tube includes first and second flanges members and a ferrule between the first and second flanged members. The ferrule engages the tube to form a tube grip and seal when the first and second flanged members are drawn together. A ... | 08/31/2010 |
| 7784838 | High pressure energizable tube connector for a well A high pressure energizable tube connector for a well comprising a tube; a first connector assembly comprising: a female profile disposed over the tube and a first ferrule disposed over the tube adjacent the female profile; a second connector assembly comprising: an... | 08/31/2010 |
| 7699358 | Ferrule with relief to reduce galling High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so as to redirect the reaction forces acting between the front ferrule ... | 04/20/2010 |
| 7695027 | Fitting for tube and pipe A fitting for a tube or pipe capable of functioning a high pressures having a first fitting component adapted to receive the conduit end; a conduit gripping device such as a ferrule or ferrules and a second fitting component that can be joined to the first fitting c... | 04/13/2010 |
| 7681926 | Method and apparatus for connecting small diameter tubing A union for coupling two or more segments of tubing or optical fiber, having an elastomeric core with two or more tubular sections encased in a through bore of a union body, the ends of the union body bore having compression nuts having through bores for insertion o... | 03/23/2010 |
| 7661729 | Apparatus for connecting plastic-lined metallic pipes A connector used for connecting the plastic metallic pipe includes a body, a cap, and three washers. The body has a section of thread in its outer wall for coupling with the cap which has a section thread in its inner wall. In operation, first insert the pipe into t... | 02/16/2010 |
| 7644959 | Tube couplings for connecting a pair of conduits for carrying a cable A tube coupling for connection to a conduit through which a cable may pass includes a coupling body having an open ended throughway to receive an end of the conduit and a tube locking device in the open end of the throughway for locking the conduit in the coupling b... | 01/12/2010 |
| 7614668 | Ferrule with plural inner diameters A ferrule for a metal tube fitting includes a body that is case hardened over substantially its entire surface. The ferrule also has an interior wall comprising first and second cylindrical portions, the first cylindrical portion being axially adjacent a front edge ... | 11/10/2009 |
| 7419192 | Braze-free connector utilizing a sealant coated ferrule A braze-free connector suitable for use in a refrigeration system that includes a connector body having a circular opening passing therethrough. The opening has a converging section that tapers downwardly from the entrance to the opening toward the back of the openi... | 09/02/2008 |
| 7416225 | Fitting for metal pipe and tubing A tube fitting that uses only two components, namely a fitting body and a fitting nut. The nut and body are adapted to be threadably coupled together by relative rotation therebetween. The nut includes an integral tube gripping ring that cooperates with a camming su... | 08/26/2008 |
| 7367595 | Ferrule having convex interior wall portion High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so as to redirect the reaction forces acting between the front ferrule ... | 05/06/2008 |
| 7354073 | Pipe joint A pipe joint includes a push ring having a tapered receptacle and fitted to a junction pipe; a pipe joint main body having a pipe receptacle and fitted to the junction pipe; a clamp for moving the push ring toward the joint main body; a packing ring disposed between... | 04/08/2008 |
| 7350828 | Tube fitting with sealant A tube fitting (50) that uses two basic components, namely a fitting body (54) and a fitting nut (52). The nut (52) and body (54) are adapted to be threadably coupled together by relative rotation therebetween. The nut (52) ... | 04/01/2008 |
| 7340817 | Molded flare assembly A fully formed flared portion is molded as part of the main body of the one embodiment of the fitting. The flared portion is inserted through the back side of a retaining cap. A collet assembly is assembled together around the smallest diameter of the tube fitting b... | 03/11/2008 |
| 7338088 | Connector A connector is provided for selectively coupling one or more lines or wires (19′, 19″) to a receiving and/or transporting device (27). The connector comprises at least one line or wire receiving ferrule (7) having a plurality of line and/or ... | 03/04/2008 |
| 7311882 | Capillary interconnect device A manifold for connecting external capillaries to the inlet and/or outlet ports of a microfluidic device for high pressure applications is provided. The fluid connector for coupling at least one fluid conduit to a corresponding port of a substrate that includes: (i)... | 12/25/2007 |
| 7309085 | Threaded pipe coupling A threaded pipe coupling for connecting a pipe to a connection part with a conical exterior surface, especially for connecting copper pipes in refrigeration technology, with a sleeve-shaped union nut to form a threaded coupling with the connection part and a clampin... | 12/18/2007 |
| 7270351 | Pipe coupling A coupling assembly for plastic pipes including a nut, a body, a grip-ring, and a seal. The nut can engage the body through appropriate threads and includes a hooked projection having a sloping surface adapted to abut against and provide a force on a corresponding s... | 09/18/2007 |
| 7267372 | Tube connector Tube connectors and tube connector systems are provided. An exemplary system includes a first sleeve, a second sleeve, and radially compressible ring. A tube fits radially inside of the ring and the first and second sleeves. As the first and second sleeves are coupl... | 09/11/2007 |
| 7261263 | Article support system for poles A device to support one or more articles with a pole, where the device may include a collar having a first section and a second section that are coupled by a hinge to allow the collar to open. The collar may be openable at opposite facing ends of the first and secon... | 08/28/2007 |
| 7240929 | Ferrule with plural inner diameters High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so as to redirect the reaction forces acting between the front ferrule ... | 07/10/2007 |
| 7219934 | Pipe coupling A pipe coupling for coupling the ends of pipe sections together end to end, wherein the coupling includes a barrel member, at least one coupling member, at least one elastomeric sealing ring, a tangentially extending bolt and interacting members. The barrel member s... | 05/22/2007 |
| 7207606 | Mechanical pipe joint, gasket, and method for restraining pipe spigots in mechanical pipe joint bell sockets A mechanical pipe joint, restraining gasket, and method for restraining pipe spigots within adjacent bell sockets. The restraining gasket is composed of two axially-separate components: a sealing portion and a restraining portion made of a plurality of arcuate locki... | 04/24/2007 |
| 7175208 | High temperature end fitting and method of use Embodiments of a system and method for sealing an end of a flowline to an end fitting are disclosed. Such methods include providing an end fitting housing having a bore, wherein a portion of the bore has a tapered inner surface, inserting an open end of a flexible p... | 02/13/2007 |
| 7165578 | Method for laying a rehabilitating pipe A rehabilitating pipe is laid inside an existing pipe to rehabilitate the existing pipe. Support members are intergrally connected to an inner wall surface of the existing pipe so that loop portions of the respective support members extend from the inner wall surfac... | 01/23/2007 |
| 7140618 | Socket with dual-functional composite gasket A gasketed pipe joint including a dual-functional, composite gasket, which in addition to forming a seal between a pipe bell and a spigot provides a molding surface for forming a bent retainer in the hub of the pipe or fitting. The dual-functional composite gasket c... | 11/28/2006 |
| 7125054 | Self restraining gasket and pipe joint A sealing and restraining gasket for preventing separation of a pipe joint used to join a bell end of a female pipe to the male end of a mating pipe. The gasket is formed from a compressible body of elastomeric material and carries a rigid ring with gripping teeth f... | 10/24/2006 |
| 7104573 | Energized restraining gasket for mechanical joints of pipes A gasket for converting a standard mechanical joint into a restrained mechanical joint without the need for altered configuration of the bell, spigot, or gland of the joint, and without the need for additional fittings or devices. In the practice of the present inve... | 09/12/2006 |
| 7100949 | Ferrule with relief to reduce galling High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so as to redirect the reaction forces acting between the front ferrule ... | 09/05/2006 |
| 7101131 | Attachment system An attachment system for securing a rod member in a mounting opening of a constructional component (44; 74; 97) includes a receiving sleeve (5; 37; 64; 73; 93) for receiving the rod member (23; 40), and an actuation member (4; 35; 62; 72; 81;... | 09/05/2006 |
| 7100948 | Tube couplings A tube coupling has a coupling body with a throughway open at one end to receive an end portion of a tube. A seal encircles the throughway to seal with the periphery and end of the tube and a cap is mounted on the body having a tube locking device rotatably mounted ... | 09/05/2006 |
| 7093864 | Connecting element for pipes and method for welding a connecting element onto the end of a pipe The invention relates to a connecting element for welding onto a circular front face of a pipe, said element having an annular region, (friction region), that can be friction welded to said front face. The connecting element can be welded onto the end of a pipe with... | 08/22/2006 |
| 7093863 | Restraining gasket for mechanical joints of pipes A gasket for connecting two lengths of pipe in a standard mechanical joint, which gasket maximizes the advantages of both restrained push-on joints as well as mechanical joints, as are known commonly in the art. The invention has application to long-run pipe lengths... | 08/22/2006 |
| 7090256 | Pipe joint A pipe joint provided with a joint main body having a male screw portion and a cap nut screwed on the male screw portion of the joint main body. And, the pipe joint has a C-shaped stop ring having an opening on its periphery. The stop ring, having an inner blade to ... | 08/15/2006 |
| 7066210 | Compression pipe repairing and reinforcing methods A method of repairing a section of pipe is described. The method includes applying a first split sleeve and a second split sleeve to the pipe section, functionally associating the first end of the first split sleeve with the first end of the second split sleeve, and... | 06/27/2006 |
| 7063356 | Pipe coupling A pipe coupling (10) for joining together the ends of two adjacent pipes includes a housing (12) which defines a generally central bore (13) along a central axis of the housing for receiving the ends of the two adjacent pipes, and a locking arra... | 06/20/2006 |
| 7062851 | Through-fittings and below grade junction boxes equipped with same A method is provided for sealing a through-fitting around a cable. The method involves: passing a cable through the through-fitting; compressing a seal in the through-fitting around the cable within the through-fitting; and extruding a sealant around the cable withi... | 06/20/2006 |
| 7055864 | Pneumatic coupling A pneumatic coupling is provided. The pneumatic coupling is configured to couple a plurality of pneumatic lines together. According to the preferred embodiment of the present disclosure, the pneumatic coupling includes first and second housings and a plurality of fi... | 06/06/2006 |
| 7032935 | Self energizing connector The self energizing tube connector for engaging a pressurizable part made of a tube capable of sustaining pressures up to 50,000 psi without deforming is made of an upstream tube end and a downstream tube end; a ferrule with a front and rear ferrule, a lifting compo... | 04/25/2006 |
