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| Number | Title | Issue Date |
| 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 |
| 7247006 | Method and apparatus for sealing an ultrahigh-pressure fluid system An ultrahigh-pressure fluid system, such as an ultrahigh-pressure fluid pump, includes an improved dynamic seal assembly that can withstand pressures above 40,000 psi, and more preferably, pressures up to and beyond 87,000 psi. The dynamic sealing assembly includes ... | 07/24/2007 |
| 7229429 | Multiple lumen catheter A cylindrical elongate body having proximal and distal ends and enclosing two similar longitudinally extending lumens separated by a septum and a further lumen within the septum. A convergently tapered tip extending from the distal end of the body defines part of th... | 06/12/2007 |
| 7195289 | Fluid distribution system A fluid distribution system comprising a hollow pipe section having at least one bore extending longitudinally therethrough. At least one longitudinal boss extends along the pipe section. An end fitting comprises a body configured to be received in the bore and a sh... | 03/27/2007 |
| 7114970 | Electrical conducting system A generally tubular drill string has a conductive path over a plurality of drill pipe section (10). Each drill pipe section has a first end and a second end, and a wall, and the first end has a first radial sealing surfaces (11) and the second end has ... | 10/03/2006 |
| 7083203 | Connecting element for connecting a fuel line to a fuel injector A connecting element for connecting a fuel line to a fuel injector having a first connecting sleeve, which may be inserted into a receiver opening in the fuel line, and a first sealing element positioned on the first connecting sleeve. The connecting element may hav... | 08/01/2006 |
| 7083171 | Metal seal and attachment method for the same and tight-seal construction A metal seal of ring as a whole disposed between a first contact flat face portion and a second contact flat face portion parallel to each other. This metal seal has a middle base portion, a first contact convex portion, and a second contact convex portion. The firs... | 08/01/2006 |
| 7077436 | Gear operated coupler A gear operated coupler is provided for coupling and uncoupling mating first and second coupling portions of a piping system component. A sleeve with an attached spur gear includes threads that engage the first coupling portion, and the sleeve slidingly receives the... | 07/18/2006 |
| 7022934 | Connecting adapter for weld electrode An electrically and thermally conductive adapter for connecting a weld electrode to a tip holder portion of a welding device. The adapter has a first, threaded end, for removable engagement with a like-threaded receiving cavity in the tip holder. The threads may be ... | 04/04/2006 |
| 7017950 | Expandable connection An expandable tubular coupling comprises a threaded male portion and a corresponding threaded female portion, wherein the thread portions feature thread profiles configured such that the coupling may be made up to a predetermined extent, and once made up to the pred... | 03/28/2006 |
| 7004476 | Combustion gas seal for injector A combustion gas seal for injectors having the function to prevent the leak of a combustion gas when the injector is mounted on a cylinder head of an engine, wherein the seal is made of a resin and the entire surface of the combustion gas side end of the seal is exp... | 02/28/2006 |
| 7000953 | Pipe screw-connection A pipe screw-connection for connecting a pipeline having a connection end with a deformed annular bead, including a connection stub and a screw-connection coupling part, which can be screw-connected to the connection stub in order to retain the pipeline in a sealed ... | 02/21/2006 |
| 6991268 | Pipe fitting having over-sized strengthened starter threads A pipe fitting has a body with an internally threaded bore and at least one female starter thread. The at least one female starter thread is disposed either within the bore or immediately outside of the bore. The starter thread is axially aligned with the bore threa... | 01/31/2006 |
| 6981720 | Tapered ceramic GC fitting and assembly The present invention is a ferrule for gas chromatography fittings comprising a body having a first end, a second end, and an internal bore extending length of the body; a tip integral with the body and protruding from the first end is disclosed. The tip has a flat ... | 01/03/2006 |
| 6926313 | High pressure capillary connector A high pressure connector capable of operating at pressures of 40,000 psi or higher is provided. This connector can be employed to position a first fluid-bearing conduit that has a proximal end and a distal end to a second fluid-bearing conduit thereby providing flu... | 08/09/2005 |
| 6904941 | Helically formed cylinder of varying length and diameter A variable diameter cylinder made from a sheet having first and second edges that are opposite to each other and that slideably connect with each other to form a helical joint of a cylinder such that sliding the edges of the sheet along the joint varies a diameter a... | 06/14/2005 |
| 6866305 | Pipe fitting having strengthened starter threads A pipe fitting has a body with an internally threaded bore and at least one female starter thread. The at least one female starter thread is disposed either within the bore or immediately outside of the bore. The starter thread is axially aligned with the bore threa... | 03/15/2005 |
| 6802541 | Components, systems and methods for forming a gasketless seal between like metal components in an ultrahigh pressure system Components, assemblies and methods for creating seals in ultrahigh pressure fluid containment systems, are shown and described. Embodiments of the invention allow abutting components of like materials to be compressed against each other without the need of an interm... | 10/12/2004 |
| 6729659 | Flare fitting assembly with metal-to-metal line seal A flare fitting assembly includes a first coupling member and a second coupling member adapted to be cooperatively coupled together. The first coupling member has a first through bore with one end adapted to accept and retain a first tube. The second coupling member... | 05/04/2004 |
| 6652008 | Component to component sealing method A coupling ideally suited for sealing between components such as a fluoropolymer valve body (50) and a fluoropolymer manifold (52) or for coupling tubing end portions, utilizes structure on said components for defining the sealing surfaces. In a preferred... | 11/25/2003 |
| 6517126 | Internal swage fitting An internal swage fitting for swaging a tube. The fitting includes a tube connection region with one or more radial grooves and an expansion cavity at the end adjacent to the end of the tube to be swaged. The expansion cavity accommodates flowing tube mat... | 02/11/2003 |
| 6502724 | Beverage dispensing system A connector module for use in connection with a beverage dispensing system for dispensing a beverage from a beverage container that includes a surface mounted dispensing tower to which one or more dispensing faucets are connected. The connector module can... | 01/07/2003 |
| 6494499 | Threaded connector for pipe A pipe connector for offshore risers has conical thread forms. The connector has a pin with a nose, an external shoulder, and conical first and second pin threaded sections. The first and second pin threaded sections are axially separated by a pin interme... | 12/17/2002 |
| 6494325 | Toilet water-line filter A toilet water-line filter (10) that is designed to protect a toilet's fill valve (62) from the intrusion of potentially damaging debris such as rocks, vegetation, etc. The filter (10) is comprised of a housing (12) and an internal filter (34) which consi... | 12/17/2002 |
| 6431613 | Pipe connection with a connecting portion formed onto the pipe A pipe connection has a connecting member (1). The connecting member (1) has a first end face (4), a first conical bore (5), starting to taper from the latter, which defines a first cone angle (11). The connecting member also includes an axial bore length... | 08/13/2002 |
| 6312022 | Pipe joint and seal Two steel pipes are each connected to a mounting flange for joining the two pipes, the flanges in one embodiment being fixed stationary to each other and in a second embodiment fixed movable relative to each other. A compressed knitted wire mesh seal is b... | 11/06/2001 |
| 6283511 | Pipe coupling A pipe coupling has coupling members provided with a pin and a box. The outer surface of the pin is provided with axially extending columns of teeth, separated by free slots, and the inner surface of the box is provided with axially extending columns of c... | 09/04/2001 |
| 6279965 | Pipe joint A pipe joint is provided whereby fluid pipelines, such as exhaust pipes, or the like, can be connected hermetically, in such a manner that the relative angle therebetween can vary, while ensuring satisfactory manufacturing precision of the sealing surface... | 08/28/2001 |
| 6254147 | Fluid-tight connecting apparatus A fluid-tight coupling (2) for connecting opposite ends of the pipe section (4, 6) to provide a fluid-tight AI seal is described. The fluid-tight seal between the upper and lower tubular sections is provided by an upper and a lower metal-to-metal seal pro... | 07/03/2001 |
| 6164705 | Combination of pipes and gasket for connection thereof Pipes are securely connected by an annular gasket. The gasket includes an inner portion, an outer portion situated radially outwardly of the inner portion, and a resilient connecting portion for connecting the inner and outer portions at one side of the g... | 12/26/2000 |
| 6116658 | Counter torque tube connection A counter torque tube connection which couples a first tube and a second tube in turbine engine. The connection first tube includes a male connector component having a ballnose. The ballnose includes a plurality of protrusions. The connection second tube ... | 09/12/2000 |
| 6056331 | Zero dead volume tube to surface seal A method and apparatus for connecting a tube to a surface that creates a dead volume seal. The apparatus is composed of three components, a body, a ferrule, and a threaded fitting. The ferrule is compressed onto a tube and a seal is formed between the tub... | 05/02/2000 |
| 6045165 | Threaded connection tubular goods A threaded connection for the oil country tubular goods, according to the invention, is provided with either an internal shoulder or an external shoulder or both, each comprising a seal portion and a torque shoulder, and characterized by satisfying the fo... | 04/04/2000 |
| 6039361 | Plumbing compression fitting for connecting ends of pipe A plumbing compression fitting for use in coupling a first pipe end of a first pipe to an opposing end of a second pipe includes a coupling housing defining a flow passage therethrough, and having a first pipe securing end for engaging the first end of th... | 03/21/2000 |
| 5984373 | Luer connector A luer-type connector comprising a male-component formed with a locking nozzle having a co-axially extending lumen, and a locking collar rotatable over the nozzle and having a rear end, and formed with an internal thread for screw coupling with a radially... | 11/16/1999 |
| 5890746 | Cooled and wetted redundant seal tube fitting A tube coupling assembly has independent primary and secondary sealing elements. The coupling assembly includes first and second coupling members which define a fluid passage therethrough. The coupling members are arranged relative to one another so as to... | 04/06/1999 |
| 5848813 | Threaded port for fluid flow connection A fluid flow connection comprising a threaded port for use with a nominal 74° male conical tube fitting and pipe end connection is disclosed. The threaded port is made to have a truncated conical seal surface having an included angle that is slightly lar... | 12/15/1998 |
| 5788292 | Connector for the pipe coupling of a high-pressure cleaning apparatus In a connector provided with a coupling ring for the pipe coupling of a high-pressure cleaning apparatus, the pipe coupling comprising a coupling sleeve with a conical sealing surface, a circular-cylindrical sealing surface adjacent thereto, and an outer ... | 08/04/1998 |
| 5752725 | Joint A joint between two hollow pipes is formed by inserting the pipes into a sleeve. The sleeve is made of a similar or compatible material to that of the pipes which are to be joined. The inner diameter of the sleeve increases from a middle portion outwardly... | 05/19/1998 |
| 5749604 | Pipe coupling system and method Pipe coupling system and method in which a tapered wall is formed on one of two tubular pipe members for press-fit engagement with a wall of the second pipe member, and the two pipe members are pressed together in an axial direction to bring the tapered w... | 05/12/1998 |
