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| Number | Title | Issue Date |
| 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 |
| 7201404 | Union nut with lock member Union nut (10) includes body (20) and lock member (50). Body (20) includes thread retaining end (30) with threads (33) for mounting upon a threaded pipe (120) and flange retaining end (40) including partial col... | 04/10/2007 |
| RE39552 | Pup joint with integral wing nut retention shoulder A pup joint is provided which comprises a length of pipe, a female sub integral with one end of the pipe and having external threads formed thereon, a male sub integral with the other end of the pipe, a wing nut for threadedly connecting the male sub to the female s... | 04/10/2007 |
| 7178838 | Nut and tail assembly A nut and tail assembly (10) and method of manufacture including a nut (12) having a first end and an inward flange (24) at the other end, a longitudinal cylindrical hollow body (14) having a first end and a second end at which is located... | 02/20/2007 |
| 7121595 | Device for leaktight coupling of a tube to a threaded tubular nose A device for leaktight coupling of a tube to a tubular nose, the tube being provided with an outwardly-directed bead at a distance from its end, the tubular nose presenting an outside thread and including an inlet bore for defining a housing for an annular gasket an... | 10/17/2006 |
| 7055870 | 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... | 06/06/2006 |
| 6994380 | High pressure quick connect coupling and seal A quick connect and disconnect pipe coupling and seal assembly including a first generally cylindrical coupling head having a bore therein for connection to a first conduit and a raised annular ring, a second generally cylindrical coupling head having a bore therein... | 02/07/2006 |
| 6945569 | Enhanced durability hammer union A union for connecting two tubular members. The first tubular member has an external flange, and the second tubular member has a set of external threads. An annular nut surrounds the first tubular member. The nut has an internal flange that surrounds the first tubul... | 09/20/2005 |
| 6899357 | Fitting and pipe section for jetted bath heaters A pipe section (112) that is operable to be installed in tubing (120A and 120B) of a jetted bath to render the tubing adaptable to accept a close fit device (130). The pipe section includes a removable hollow center segment (116) d... | 05/31/2005 |
| 6857665 | Lockwireless anti-rotation fitting A lockwireless, anti-rotation fitting for connection to a connector. The fitting includes a coupler having a series of circumferential engagement portions disposed about an outer peripheral surface, and a nut receivable coaxially over the outer peripheral surface of... | 02/22/2005 |
| 6832790 | Water tight three piece coupling for electrical conduits In a three piece coupling which has bushing with internal and external threads for assembly on a threaded end of a conduit by its internal threads, a sleeve adapted to fit over a second conduit to be joined by the coupling with internal threads operable to engage th... | 12/21/2004 |
| 6722701 | Quick connect coupling having a shielded fuse An invention coupling for LP gas or similar fuel source systems is disclosed. The coupling includes a nipple having a nose and a recess, a nut notably disposed in the recess and a fuse disposed between the nut and the nose. The coupling automatically decouples from ... | 04/20/2004 |
| 6557905 | Anti-rotational submersible well pump assembly A submersible well pump assembly using threaded connections, the submersible well pump assembly having a first housing, a second housing, a clamp ring, and at least one anti-rotation member. The first housing has an end having an outer surface, an end fac... | 05/06/2003 |
| 6508493 | Means for connecting a pipe to a tubular body The invention provides means for connecting a pipe to a tubular body having an end arranged to receive an end of the pipe. The connection means comprise a sleeve subdivided into first and second portions in axial succession that are provided with means fo... | 01/21/2003 |
| 6338507 | Synthetic resin pipe with joint A synthetic resin pipe with a joint, includes a first pipe end portion to be connected, having an open guide cylinder, a large-diameter cylindrical portion formed in a deep portion thereof continuous with the open guide cylinder and having a diameter larg... | 01/15/2002 |
| 6079752 | Sanitary quick connector A coupler for coupling flanged fluid conducting tubes end-to-end in a sealed manner, thereby preventing contact between the fluid flowing through the tubes and the coupler. The coupler includes a body having an interior surface defining an axially extendi... | 06/27/2000 |
| 5791693 | Pup joint with integral wing nut retention shoulder A pup joint is provided which comprises a length of pipe, a female sub integral with one end of the pipe and having external threads formed thereon, a male sub integral with the other end of the pipe, a wing nut for threadedly connecting the male sub to t... | 08/11/1998 |
| 5782500 | Passageway aligned coupling and process FIG. 2A shows an alignment and sealing arrangement for connecting two non-gender opposed conduit parts (20) and (20'). Seal (22) is captured by two opposed seal protrusions (20C) and (20C') residing on conduit part's end. Bore (18A) of alignment element (... | 07/21/1998 |
| 5775743 | Nut and split ring assembly An apparatus for fluidly coupling a flanged pipe (2) having an annular flange (4) to a threaded pipe (22) having an externally threaded end (20) with an annular lip is disclosed. An annular nut (8) has an internal thread (10) for engaging the threaded pip... | 07/07/1998 |
| 5605358 | Tube coupling A tube coupling assembly includes first and second generally cylindrical coupling components each terminating in a radially outwardly extending flange surrounding a sealing end face. The coupling components are positioned in axial alignment and an improve... | 02/25/1997 |
| 5529348 | Spring lock connector A spring lock nut assembly for coupling a tube to another member such as a valve, manifold, other tube or the like, includes a tail piece which is brazed onto the tube, a spring lock wire and a spring lock nut. The spring lock wire is diamond-shaped in cr... | 06/25/1996 |
| 5516159 | Quartz pipe joint A quartz pipe joint of the present invention can be used in a connection of, for example, a quartz pipe and a quartz pipe, or a quartz pipe 7 and a synthetic resin tube. The quartz pipe joint A has a joint body having a tapered pressing face a cylindrical... | 05/14/1996 |
| 5401065 | Fluid coupling A fluid coupling provides a cap nut having an internal screw formed inside, a pipe having a mirror-finished surface formed at an end face and a groove in an outer periphery, a device for preventing rotation of the pipe together with the cap nut, in contac... | 03/28/1995 |
| 5362109 | Quick disconnect for high pressure fluid line A quick disconnect forming a coupler for high pressure fluid lines that has a first hollow member attached to a second hollow member in fluid-tight relationship with an attachment collar having relatively coarse threads thereon for quick attachment and de... | 11/08/1994 |
| 5176409 | High pressure pipe coupling A coupling device for metal tubular members subjected to pressure where abutting coupling members define a V shaped groove. A metal annular V shaped sealing member constructed from resilient metal is disposed in the V shaped groove and arranged so that th... | 01/05/1993 |
| 5131692 | Pipe connector with threaded seal in nonthreaded cavity A pipe connector device for selectively interconnecting a pair of pipe elements in an end-to-end relationship and for sealing a junction between the elements to prevent leaks. A first and a second pipe element each includes a cavity adjacent to a center b... | 07/21/1992 |
| 4961445 | Connecting device for connecting liquid consumer to liquid source A connecting device for connecting a source of hydraulic medium with a consumer of a hydraulic medium, such as a hydraulic tool has a first connecting element to be connected with a consumer and having a passage, a first valve member in the passage, and a... | 10/09/1990 |
| 4927192 | Pipe connector load element A pipe connector load element interconnects a pipe element and a connector retention member. The load element is mounted in an annular groove on the outer circumference of the pipe element and in a groove adjacent to an internal bore in the retention memb... | 05/22/1990 |
| 4907830 | Fluid coupling A fluid coupling for a corrugated pipe, comprising a coupling body having an axial through hole including a pipe insertion portion and a fluid passage portion, metallic seal means arranged on the fluid passage side of the pipe insertion portion, for seali... | 03/13/1990 |
| 4775008 | Adjustable cement head manifold An adjustable cement head manifold connector including a first union having a passageway therethrough operably connected for a fluidtight connection with a cement head, a second union having a passageway therethrough having an end for operably connecting ... | 10/04/1988 |
| 4676479 | Flanged valve A valve body containing a ball valve member and having a threaded portion on the outer surface of an end portion thereof is connected with a body cap having a flange integral therewith on the outside end, by screwing a cap nut having an annular rib on the... | 06/30/1987 |
| 4653780 | Self-aligning tube fitting An end fitting provides a coupling for a pair of parts which may be misaligned. One of the possibly misaligned parts is a nut having a bore therein. The other part is a ferrule fitting in the bore and, preferably having a lip seal thereon. A pair of confr... | 03/31/1987 |
| 4623123 | Conduit coupling A conduit coupling having in one embodiment a coupling body, a union nut adapted to slip over the free end of the coupling body, and a clip cooperative with a special configuration of the coupling body to engage the nut and prevent its inadvertent separat... | 11/18/1986 |
| 4613161 | Coupling device A coupling apparatus is provided for quick coupling of a plug container or the like to a casing collar. A body of the plug container is located above the casing collar. A main seal seals between the body and the casing collar. An adjusting assembly has a ... | 09/23/1986 |
| 4592574 | Conduit coupling assembly and method of use A conduit coupling assembly for connecting the end portions of two lengths of conduit in coaxial, abutting relationship. The coupling assembly includes an abutment ring, an outer coupling, retainer means and resilient means. The ring has an internal threa... | 06/03/1986 |
| 4575044 | Lubricator section A lubricator section, useful for servicing wells, requiring no welds or threads to connect the box and pin union portions to the tubular body. The box and pin union portions are formed on the tubular body ends. A shoulder, retaining the connecting collar ... | 03/11/1986 |
| 4553586 | Motor vehicle oil cooler A motor vehicle radiator has a tubular oil cooler 12 located in its header tank defined by a plastics header tank shell 11 and a tube plate 20. Passage of oil to the oil cooler is effected through connectors 14 which include an elastomeric sealing bush 16... | 11/19/1985 |
| 4549756 | Conduit coupling assembly A conduit coupling assembly for connecting the end portions of a pair of lengths of tubular conduit in coaxial, abutting relationship. Each end portion has external threads of the same size. The coupling assembly includes an abutment ring, locking means, ... | 10/29/1985 |
| 4547004 | Coupling A coupling for connecting substantially identical external threaded ends of tubular conduits and the like in end-to-end relation, the coupling including a first or outer coupling member having an internal chamber and adapted to be threaded onto the thread... | 10/15/1985 |
| 4524998 | Tubular connecting device A coupling apparatus is provided for quick coupling of a plug container to a casing collar. A latch collar including pivotally connected arcuate collar portions is provided for engaging a lower end of the casing collar. A threaded adjustment is provided f... | 06/25/1985 |
