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| Number | Title | Issue Date |
| 7597360 | Fluid coolant union A coolant union includes a seal assembly having a first seal member and a non-rotating second seal member. At least one of the annular sealing surfaces presented by the rotating seal member and the non-rotating seal member is chamfered such that the chamfered sealin... | 10/06/2009 |
| 7549678 | Systems for actuating a pipe connection Systems for actuating a pair of pipe flanges to cause the flanges to be sealingly engaged. In one embodiment, a connection includes a first flange, a second flange and a coupling. The first and second flanges have complementary mating surfaces. The coupling engages ... | 06/23/2009 |
| 7434843 | Hollow shaft fluid rotary joint In the preferred embodiments, a hollow shaft rotary fluid joint assembly includes: (a) a hollow shaft through which electrical cables are passed; (b) a rotary fluid joint surrounding an outer diameter of the hollow shaft through which a fluid medium is passed, the r... | 10/14/2008 |
| 7419191 | Quick insert nozzle for tools A quick insert nozzle structure has a pipe connector connected to an insert nozzle. An end of the pipe connector has a containing groove for connecting a joint of a quick insert nozzle that has three circular grooves. An external circular groove installs a washer; a... | 09/02/2008 |
| 7354075 | Adapter-intermediate ring for a screw-in part of a fluid plug system An adapter assembly having an intermediate ring and a screw-in part for a fluid plug-in system. The adapter assembly includes an externally threaded portion for threading into a threaded bore and an actuating shoulder. A receiving groove is formed in the transition ... | 04/08/2008 |
| 7270348 | Releasable connector including swivel A connector for releasably attaching a pair of conduits includes male and female components having proximal and distal ends and a lumen, and a swivel connection releasably connecting the male and female components. The swivel connection permits fluid communication b... | 09/18/2007 |
| 7244083 | Cutting head assembly A cutting head assembly for use in cutting plate glass has a simplified drive train, all positioned about the vertical rotational centerline. The drive train includes a hollow bore drive motor having a drive adaptor directly engaged with a spline shaft that extends ... | 07/17/2007 |
| 7234732 | Pipe coupling for joining pipes of varying diameters A pipe coupling for joining a first pipe to pipes of varying diameters includes first and second hollow fittings which are secured together in end-to-end relationship by a crimping process to rigidly hold the fitting members together to form a continuous fluid passa... | 06/26/2007 |
| RE39695 | Swivel joint with stepped bearing races A swivel joint comprises a tubular male member having at least first and second outer annular grooves formed on an outer surface, a tubular female member having at least first and second inner annular grooves formed on an inner recess, and a plurality of balls dispo... | 06/19/2007 |
| 7229102 | Fluid coolant union A coolant union includes a seal assembly having a first seal member and a non-rotating second seal member. At least one of the annular sealing surfaces presented by the rotating seal member and the non-rotating seal member is chamfered such that the chamfered sealin... | 06/12/2007 |
| 7213846 | Hydraulic connector block for axially shiftable part A bearing has a mount relative to which can move a part to which hydraulic fluid must be supplied. A connector has a housing fixed to the bearing mount and formed with a central bore centered on an axis and with a radial bore extending outward from the central bore.... | 05/08/2007 |
| 7191797 | Rotary distribution apparatus A rotary distribution apparatus includes a fixed inner distribution member (12) with inner conduit zone; a rotatable distribution member (16) rotatable about the fixed inner distribution member; a plurality of fluid distribution chambers (18) lo... | 03/20/2007 |
| 7188869 | Scuba regulator connector using a sealed ball swivel A ball and socket-type swivel connector for use with second stage regulators used by scuba divers. The ball is made from a metal with good corrosion resistance. The ball is then held into a true position by two separate low friction bushings. The two bushings, “sa... | 03/13/2007 |
| 7156426 | Rotary transmission leadthrough for fluid systems A rotary transmission leadthrough for fluid systems is proposed, by means of which the mobility of a fluid system is increased and new fields of application can therefore be opened up. This is achieved according to the invention in that, in addition to a first rotor... | 01/02/2007 |
| 7147252 | Medical connector A connector for a respiratory assembly is provided. The connector includes a body that has a first end and a second end. The body has a passage disposed therethrough from the first end to the second end to allow for transport of fluids and objects through the body. ... | 12/12/2006 |
| 7140616 | Sealing device The invention relates to a sealing device which is provided with an annular circumferential groove in a preceding sealing washer and having a sealing body disposed in the groove. The width and depth of the groove are larger than the cross-section of the sealing body... | 11/28/2006 |
| 7137651 | Fluid piping systems and pipe spools suitable for sub sea use A fluid piping system and pipe spools are provided. The fluid piping system has at least one pipe spool. The pipe spool has an inner wall and an outer wall with at insulating area defined at least in part by the inner and outer wall. The insulating area of the pipe ... | 11/21/2006 |
| 7128168 | Reamer apparatus for ground boring machine The invention provides a reamer apparatus for a ground boring machine that is capable of restricting increase in drawing resistance when performing drawing of a buried pipe by using a reamer and of efficiently performing drawing operations of the buried pipe without... | 10/31/2006 |
| 7055390 | Seal assembly with means for detecting seal failure A seal assembly includes a first body and a second body. A primary seal is disposed between the first body and the second body. A secondary seal is disposed between the first body and the second body in spaced relation to the primary seal. A pressure port extends th... | 06/06/2006 |
| 7032905 | Leak resistant seal A seal includes a resilient carrier with opposed limbs holding sealing rings that engage sealing surfaces. The seal is oriented so that a space between the limbs is exposed to a higher than ambient pressure that biases the limbs apart to increase the force pressing ... | 04/25/2006 |
| 7021674 | Rotatable vacuum coupling A rotatable vacuum has a passage through a spindle (32). The spindle protrudes through a bushing (30) and forms an annular chamber (46) therebetween that is connectable to a vacuum source through 360° of rotation. ... | 04/04/2006 |
| 6962373 | Pipe fitting with composite gasket assembly A pipe fitting includes a body having sockets for receiving pipes therein and a composite gasket housed within a circumferential gasket retention housing integral with the socket. The composite gaskets include a V-shaped carrier of relatively stiff plastic having an... | 11/08/2005 |
| 6957832 | Elongate member with interconnected rotatable portions An elongate member (10) is provided having a first elongate portion (12), a second elongate portion (14) and an interconnecting joint (16). The interconnecting joint (16) is disposed at an acute angle to the first elongate portion ... | 10/25/2005 |
| 6932390 | Swivel fitting A swivel fitting comprising a tubular entry member and a tubular exit member, the internal diameter of the tubular exit member being larger than the internal diameter of the tubular entry member, thus facilitating the transition of an inserted cable or cable or wire... | 08/23/2005 |
| 6752433 | Swivel coupling A swivel coupling comprises a male member having an annular groove formed on an outer surface and a female member overlapping the male member to form a central flow passageway. An annular groove is defined at an end of the female member and the annular groove of the... | 06/22/2004 |
| 6581976 | Swivel seal construction A swivel (40) includes an outer (41) and inner annular wall (42). A toroidal chamber (44) is defined between the outer and inner walls and opposing peripheral faces of the walls define an upper (45) and lower gap (52) extending respectively upwardly and d... | 06/24/2003 |
| 6499768 | Joint assembly for connecting two tubes A joint assembly for connecting two ceramic material tubes has a cup-ball interface. One of the tubes has at a first end a cup shaped member, and the other tube has at a first end a ball shaped member adapted to be received in the cup shaped member. The b... | 12/31/2002 |
| 6450548 | Structure for assembling pressure pipe to oil pump in power steering system Disclosed is a structure for assembling a pressure pipe to an oil pump in a power steering system, for allowing the pressure pipe to guide oil discharged from the oil pump to a power boosting mechanism. The structure comprises a cylindrical connector arra... | 09/17/2002 |
| 6390478 | Sealing arrangement for a swivel A sealing arrangement for a swivel (1) comprising inner and outer mutually rotatable swivel members (2, 3), wherein the swivel members have respective inner fluid paths communicating with each other through one or more associated annular spaces (7) at the... | 05/21/2002 |
| 6386595 | Swivel joint and method for connecting conduits A swivel joint for coupling a first conduit to a second conduit includes a swivel bearing comprising a body of fluid. The swivel bearing eliminates the creation and transmission of torsional and shear loads when one or both of the conduits are axially loa... | 05/14/2002 |
| 6299219 | Hydraulic swivel having a labyrinth seal A hydraulic swivel, the hydraulic swivel including a female component that is capable of being placed in fluid connection with a first line, a male component rotatably positioned within the female component and capable of being placed in fluid connection ... | 10/09/2001 |
| 6234540 | Sealing arrangement A sealing arrangement (6, 20, 37) to be positioned between two adjacent members (2, 3; 12, 13; 26, 27) between which a fluid cavity (4) is defined. Such a sealing arrangement is by example used in a swivel structure. If the exerted pressure is considerabl... | 05/22/2001 |
| 6164707 | Step bearing race swivel joint assembly A fluid-carrying swivel joint has a stepped bearing race arrangement on interconnecting hubs having an improved bore seal capability. The stepped arrangement allows more ball bearings per adjacent race which allows equal distribution of hydrostatic end lo... | 12/26/2000 |
| 6145889 | Rotary joint A rotary joint comprises: a joint main body constructed of a casing (1) and a housing (3); and, a rotary body (8) inserted in the joint main body and rotatably mounted therein. In the joint: a part of an outer peripheral surface of the rotary body (8) ser... | 11/14/2000 |
| 6086112 | Fluid swivel coupling device A fluid swivel coupling device for rotatably interconnecting a pair of fluid conduits. The coupling device includes a plastic swivel housing forming an internal cavity and a fluidly connected first port. The internal cavity includes a cylindrical inner su... | 07/11/2000 |
| 6073777 | Sand resistant fluid swivel A fluid swivel of the type that includes a transfer chamber (56) formed between inner and outer main parts (52, 54), is constructed so sand and other particles settling out of the fluid, does not find its way into the lower gap passage (86) and quickly we... | 06/13/2000 |
| 6007105 | Swivel seal assembly A swivel seal assembly is defined for providing sealed high pressure fluid communication between relatively rotatable generally coaxial conduits where dynamic runout and static misalignment may occur to one conduit relative to the other. A generally tubul... | 12/28/1999 |
| 5895077 | Swivel apparatus for fluid transport A swivel device comprising inner and outer mutually rotatable swivel members having respective inner fluid paths communicating with each other through one or more associated annular spaces at the interface between the swivel members. The annular spaces be... | 04/20/1999 |
| 5860680 | Sealing system--anti collapse device A sealing system for a rotatable fluid conduit coupling or swivel, in particular a swivel for the off-shore oil and gas exploitation or the like, the coupling comprising an inner or first part, an outer or second part concentrically surrounding the first ... | 01/19/1999 |
| 5788288 | Sealing arrangement A dynamic sealing arrangement for connectors carrying high pressure fluids such as are used in the oil and gas industry for transferring production fluids from drilling installations to transport vessels. The sealing arrangement comprises a primary and a ... | 08/04/1998 |
