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| Number | Title | Issue Date |
| 7431345 | Serviceable exhaust joint connection An exhaust assembly includes a first pipe with a ball portion and a second pipe with a flare portion that is positioned in an overlapping relationship with the ball portion. The ball portion and flare portion are slidable relative to each other to allow alignment ad... | 10/07/2008 |
| 7363672 | Performance enhancing automatic pool cleaner accessory An automatic pool cleaner accessory is provided comprising a tubular assembly (6) for connection to, or for inclusion in, a pool cleaner suction hose (4). The tubular assembly includes first and second tubular members (8, 9) generally coaxial wi... | 04/29/2008 |
| 7320484 | Plug-in safety coupling A plug-in safety coupling for pressurized conduits includes a blocking element, which is mounted in a coupling housing; the blocking element includes a through bore in which a coupling plug may be introduced in a sealing manner. A pivot path of the coupling housing ... | 01/22/2008 |
| 7320486 | Pipe clamp A pipe clamp for connecting two partially insertable pipes has a clamping strap that is placed circumferentially about the spherical end sections of the pipes inserted into one another. The clamping strap has two outwardly projecting clamping jaws provided with a ho... | 01/22/2008 |
| 7314087 | Heave compensation system for hydraulic workover The present invention relates generally to offshore drilling and production operations, and, more particularly, to marine drilling workover/intervention tensioning and compensating devices and methodologies. A heave compensated hydraulic workover device and/or syste... | 01/01/2008 |
| 7219739 | Heave compensation system for hydraulic workover The present invention relates generally to offshore drilling and production operations, and, more particularly, to marine drilling workover/intervention tensioning and compensating devices and methodologies. A heave compensated hydraulic workover device and/or syste... | 05/22/2007 |
| 7216897 | Active torque reduction for hydraulically filled joints A system and method reduce starting torque for initial rotational displacement and assure smoothness of motion for continuing displacement of a rotary joint. A rotary joint (either cylindrical or spherical) has a first annular joint member and a second annular joint... | 05/15/2007 |
| 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 |
| 7165635 | Deflection swivel and method A deflectable in-line swivel that permits axial deflection of a tubular string is presented. The in-line swivel is preferably constructed as a ball and socket design whereby the ball of a swivel mandrel is permitted to articulate within a socket of a retainer sub. T... | 01/23/2007 |
| 7163206 | Fluid seal A jet pipe assembly containing at least one joint provided with a seal assembly to isolate, substantially, the fluid flowing in the pipe from the fluid external to the pipe. The dynamic member of the seal assembly is provided with both radial and cylindrical sealing... | 01/16/2007 |
| 7144049 | Spherical flange assembly A spherical flange assembly is disclosed. The spherical flange assembly comprises a seat member, a heel member, a seal gland and at least one nut and bold assembly. The seat member includes a concave portion. The heel member includes a convex portion and a seal glan... | 12/05/2006 |
| 7118139 | Flanged coupling device with a static ball-and-socket joint The invention relates to couplings for fluid flowlines and more particularly to couplings that can be dismantled comprising flanges and a static ball-and-socket joint for use with flowlines having a diameter lying in the range 40 mm to 200 mm and transporting fluids... | 10/10/2006 |
| 7025392 | Joint construction for cable piping A joint construction for cable piping provided with an inner cylinder of thin wall pipe and an outer cylinder fitted on the inner cylinder so as to freely slide to connect a first pipe for cable to a second pipe for cable so as to freely expand and contract in lengt... | 04/11/2006 |
| 6233915 | Injection tube for connecting a cold plenum to a hot chamber An injection tube for connecting a plenum to a combustion chamber includes a first mouth having a longitudinal axis and adapted for insertion into a cold plenum port or other component and a second mouth having a longitudinal axis and adapted for insertio... | 05/22/2001 |
| 6220636 | Swivel coupling for a pool cleaner An improved swivel coupling is provided for use with a pool cleaner, particularly for use in connecting a pool cleaner of the type powered by a suction or vacuum source to a flexible vacuum hose which is connected in turn to the suction side of convention... | 04/24/2001 |
| 6164067 | Knuckle joint for an exhaust system A knuckle joint 18 for the exhaust system of an internal combustion engine comprises first and second pipe segments 20, 22, the second pipe segment having an outwardly deformed end portion 24 which enters with clearance into a flared end portion 26 of the... | 12/26/2000 |
| 6113157 | Adjustable ball joint connector An apparatus for joining two flowlines, one having an external flanged end and the other an enlarged flaring portion at one end. A ball with an axial flow passage is seated in receptacle cavities formed in said ends and in fluid-tight sealing engagement t... | 09/05/2000 |
| 5975588 | Turnable pipe and hose connections The turnable connections for pipes and hoses mainly consist of connection nipples which can be linked to the end of these connections and which are partly amable as well as equipped with at least one sealing ring and a connection nipple with a union nut, ... | 11/02/1999 |
| 5967565 | Exhaust coupler system This invention relates to a coupler for the exhaust pipes of automobile. The preferred coupler includes a conduit sleeve (10); a conduit cover member (20) generally covering the sleeve (10); a guiding member (30) extended from the end of the cover member ... | 10/19/1999 |
| 5951061 | Elastomeric subsea flex joint and swivel for offshore risers An elastomeric flex joint is provided with a rotational bearing so that torsional stress is relieved by slip of the rotational bearing. In a first embodiment, the flex joint is designed to resist flexing from a mean position at which there is a substantia... | 09/14/1999 |
| 5697651 | Flexible duct joint having a low leakage, pressure-balanced bellows seal Disclosed is a flexible joint for sealing two conduits. One half of the joint includes an annular seal gland with an outer surface defining a static seal face. The other half of the joint includes an inner race member having inner and outer bearing surfac... | 12/16/1997 |
| 5505498 | Flexible pressure-energized joint A fluid-tight coupling and sealing arrangement including a flexible joint for coupling a tube with pressurized fluid flowing therethrough to another tube or a fluid device. The flexible joint basically includes a first tubular member with an outer restrai... | 04/09/1996 |
| 5503236 | Swivel/tilting bit crown for earth-boring drills A drill bit for drilling subterranean formations includes a device to provide a "universal" effect between the shank and crown for self alignment of the crown with the bore hole in the formation. The bit is suitable for downhole assemblies configured for ... | 04/02/1996 |
| 5332267 | Tube coupling A tube coupling comprising a male member having a spherical surface at one end for extending into the flared end of a tube with a female member threadedly connected to the male member for providing a clearance space between the spherical surface of the ma... | 07/26/1994 |
| 5288110 | Flexible connector assembly A flexible connector to be used individually or in an assembly of connectors. The connector includes a collar comprised of a wall having a cylindrical inner surface. The collar wall defines two opposed openings. Two flanges extend radially inwardly coveri... | 02/22/1994 |
| 5203593 | Flexible exhaust coupling with gasket crush reducing resilient members The exhaust coupling of the invention comprises a first length of tubing having a first assembly flange fixed thereon, a second length of tubing associated with a second assembly flange, clamping means disposed to urge the assembly flanges towards each ot... | 04/20/1993 |
| 5180194 | Automotive air-conditioning system Method and apparatus are disclosed for an improved automotive air-conditioning system wherein the refrigerant transport system connecting the compressor to the evaporator and condenser comprises rigid tubing thereby minimizing the loss of refrigerant othe... | 01/19/1993 |
| 5171042 | Spigot joint for lined metallic pipes particularly for fluids The spigot joint for metallic pipes, particularly for liquids comprises a protector for the lining of the pipe. The protector is associated with an end portion of the outer surface of the pipes.... | 12/15/1992 |
| 5141259 | Flexible connector A flexible connector has a plurality of bearings housed in a single housing to attenuate vibration and noise. In one embodiment, the bearings have a spherical configuration with the center point of the spherical segment of one of the bearings at a differe... | 08/25/1992 |
| 5133578 | Flexible joint with non-diffusive barrier A flexible joint 13 is employed to sealingly connect a pair of tubular members 16, 18 while still permitting limited articulated movement therebetween. The flexible joint 13 includes a housing 26 with upper and lower ring-like plates 32, 34 coaxially arra... | 07/28/1992 |
| 5127681 | Flexible connector A connector for sealingly joining together lengths of tubing such as those used in automobile fluid conveying systems accommodates large angular bending and twisting motions as a result of a spherical shell which rotates inside guide/thrust circumferentia... | 07/07/1992 |
| 4984827 | Concentric piping flex joint Several versions of a flex joint (10, 100, 200) are provided which provides for relative flexible movement between a first member and a second member about a pivot point. The pivotal motion is provided by the use of elastomeric assemblies which are placed... | 01/15/1991 |
| 4906027 | Insulating joint for metal pipelines An insulating joint for pipelines comprises two metal tubular parts each having a dilated end portion, the dilated portion of one of the tubular parts being located within the dilated portion of the other tubular part and the dilated portions extending su... | 03/06/1990 |
| 4893847 | Bearing seal for universal ball joint An aircraft engine bleed air ducting system including at least one universal ball joint within said ducting, said joint fitted with an annular bearing seal to seal and reduce the coefficient of friction between moving parts in said joint during angulation... | 01/16/1990 |
| 4863200 | Flexible exhaust coupling A flexible exhaust coupling between a first length of exhaust pipe (1) and a second length of exhaust pipe (2), in which the first length of exhaust pipe (1) comprises a pivot portion (3) in the form of a spherical ring projecting outwardly from a portion... | 09/05/1989 |
| 4815771 | Coupling system for conduits A coupling device is provided for rapidly joining fluid-carrying conduits in either straight line or angled alignment. The device utilizes a male portion and a female portion which interengage at mating spherically contoured surfaces. A circular resilient... | 03/28/1989 |
| 4784410 | Concentric piping flex joint Several versions of a flex joint (10, 100, 200) are disclosed which provides for relative flexible movement between a first member and a second member about a pivot point. The pivotal motion is provided by the use of elastomeric assemblies which are place... | 11/15/1988 |
| 4772033 | Flexible duct joint utilizing lip in recess in a flange A flexural joint for connecting opposing ends of first and second annular ducts. The joint includes a lip which extends outwardly from the first duct and a flange member which extends outwardly from the second duct. The flange member contains a recess whi... | 09/20/1988 |
| 4706998 | Axial displacement coupling A flexible connector for effecting fluid-tight flexible joints between fluid conduits which comprises a housing with a central bore, a pair of movable flanges extending one from each end of the central bore and means interposed between the flanges and the... | 11/17/1987 |
| 4696494 | Flowline adjustable joint An adjustable flowline joint having an arcuate bell flange and a flanged assembly including a flange and a ring which are connected by studs and nuts, the assembly flange and ring have facing arcuate surfaces adapted to receive the arcuate bell flange the... | 09/29/1987 |
