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| Number | Title | Issue Date |
| 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 |
| 7111874 | Floating seal for undersea hydraulic coupling A floating seal for an undersea hydraulic coupling member is moveable radially to seal with the male coupling member even if there is some misalignment with the female coupling member. The floating seal is restricted from axial movement within the female coupling me... | 09/26/2006 |
| 7086131 | Deformable mechanical pipe coupling A deformable mechanical pipe coupling is disclosed. The coupling has a plurality of interconnectable segments that straddle the ends of pipe elements to be joined. The segments have arcuate surfaces that engage outer surfaces of the pipe elements. The outer surfaces... | 08/08/2006 |
| 7063328 | Undersea hydraulic coupling with seal retainer An undersea hydraulic coupling member has a seal retainer that holds and secures a plurality of annular seals that may be removed from the coupling member together with the seal retainer. At least one of the seals is a pressure energized hollow metal seal. The seal ... | 06/20/2006 |
| 7048309 | Pipe coupling A coupling for attachment to the end portion of a pipe includes jaw members adapted to slide along an inner end taper in the coupling body so that linear movement of the jaw members toward the end of the inner end taper adjacent an end of the coupling body causes mo... | 05/23/2006 |
| 6994356 | Gasket seal for flanges of piping and equipment, a method for manufacturing gasket seals, and a sealing ring for a gasket seal A gasket seal for piping and equipment flanges comprises a sealing ring and a centralization ring, preferably concentric rings made of a metallic alloy. The sealing ring has an outer contour surface having a substantially L-shaped cross-section comprising an innermo... | 02/07/2006 |
| 6971680 | Dialysis coupler assembly with joint members and hemodialysis system using same The present invention provides a dialysis coupler assembly comprising a pair of rubber-like elastic tubular couplers, and a pair of joint members for joining the couplers together. Each of the couplers includes an inner channel 14 allowing a connector associa... | 12/06/2005 |
| 6962347 | Metal backup seal for undersea hydraulic coupling A backup metal O-ring seal is retained around the outer diameter of a seal retainer of an undersea hydraulic coupling member to seal a leak path around the seal retainer. The metal O-ring seal may be seated on a shoulder on the seal retainer. The backup metal seal i... | 11/08/2005 |
| 6923476 | Floating seal for undersea hydraulic coupling A floating seal for an undersea hydraulic coupling member is moveable radially to seal with the male coupling member even if there is some misalignment with the female coupling member. The floating seal is restricted from axial movement within the female coupling me... | 08/02/2005 |
| 6899354 | Pipe joining assembly An improved joining assembly employs a retainer ring member to hold in place a gasket member in a pipe or fitting. A resilient annular gasket member is placed inside a first conduit member (pipe or fitting). An annular retainer member is provided to secure the annul... | 05/31/2005 |
| 6575430 | Hydraulic coupling with dovetail seal having multiple radial sealing surfaces An undersea hydraulic coupling member having a ring-shaped seal with multiple scaling surfaces extending radially inwardly therefrom is disclosed. The multiple sealing surfaces help guide the probe of the male coupling member into the female member withou... | 06/10/2003 |
| 6516831 | Undersea hydraulic coupling with radial seals on probe An undersea hydraulic coupling is disclosed having a male member with at least two radial seals around the outer circumference of the probe. The seals on the probe engage the receiving chamber and seal retainer of the female coupling member. When the seal... | 02/11/2003 |
| 6202691 | Undersea hydraulic coupling with bleed port An undersea hydraulic coupling has a bleed port for seawater external to the coupling to enter the bore of the female coupling member when the male member is partially withdrawn from the female member. A ring-shaped radial seal positioned between the coup... | 03/20/2001 |
| 6202690 | Pressure balanced undersea hydraulic coupling An undersea hydraulic coupling is pressure balanced to reduce forces tending to urge the coupling members apart during coupling or uncoupling. A seal retainer having an L-shaped fluid passage is used to provide fluid communication between the radial fluid... | 03/20/2001 |
| 6179002 | Hydraulic coupling with pressure-energized dovetail seal An undersea hydraulic coupling having a radial pressure-energized seal with a dovetail interfit is disclosed. The seal has a pair of flexible sealing surfaces for sealing with the male and female coupling members, and a cavity therebetween that is exposed... | 01/30/2001 |
| 6123104 | Undersea hydraulic coupling with Y-seal An undersea hydraulic coupling having a metal seal with a Y-shaped cross section that provides a face type seal between the male and female coupling members is disclosed. The inner circumference of the Y-shaped seal remains engaged with the face of the ma... | 09/26/2000 |
| 6082183 | Test assembly for fluid tight integrity of pipeline joint An improved system for the non-destructive testing of the fluid tight integrity of an installed fluid transfer line such as a drain pipe or vent and wastewater system of a building. A removable test baffle is held in place between ends of adjacent section... | 07/04/2000 |
| 5983934 | Undersea hydraulic coupling with three retained seals An undersea hydraulic coupling has a male member with a stepped outer body that may be inserted into a female member having a bore which has retained therein three seals and a three part seal retaining member. Two of the seals engage different diameters o... | 11/16/1999 |
| 5979499 | Undersea hydraulic coupling with hollow metal seal An undersea hydraulic coupling having a ring-shaped metal seal that is held in place between the female member body and a sleeve-shaped seal retainer is disclosed. The annular metal seal includes a lip or leg section which is clamped in place between the ... | 11/09/1999 |
| 5885450 | Vessel with captive tube support ring A water purifier includes a quick connect connector in a port that receives a tube that carries the water. The tube is received along the axis of the port in a first reference direction along the axis. The connector is assembled by inserting, in sequence,... | 03/23/1999 |
| 5645106 | Plug-type coupler A plug-type coupler consisting of male part (P) and female part (M), particularly for the connecting of conduits (2, 3) conducting fluids (4), which coupling has, within the region of the abutment place (1) between male part (P) and female part (M), a met... | 07/08/1997 |
| 5556139 | Hydraulic coupling A hydraulic coupling employing a polymeric elastomeric sealing member to provide an excellent seal under pressure. The polymeric elastomeric seal additionally has high resistance to acids, alkalis, hydrocarbons, ketones, ethers, esters, alcohols and salt ... | 09/17/1996 |
| 5411298 | High pressure seal arrangement A fluid swivel is described, of the type that carries oil, water or natural gas at high pressure between an undersea well and a weathervaning ship, which has a seal device of increased lifetime. The seal device (56, FIG. 2 ) lies in a cavity of a first sw... | 05/02/1995 |
| 5390702 | Undersea hydraulic coupling with pre-sealing guidance An undersea hydraulic coupling having a male member with a stepped outer body is inserted into a female member having a bore with stepped internal cylindrical surface. The step in the male member defines first and second external cylindrical surfaces whic... | 02/21/1995 |
| 5232252 | Adaptive connector assembly The present invention relates to an accommodating sealing sleeve which allows for the off-axis connection of two conduits. The accommodating sealing sleeve is generally comprised of an annular housing and various internal components. The internal componen... | 08/03/1993 |
| 5232021 | Probe member for undersea hydraulic coupling A probe member for an undersea hydraulic coupling is disclosed having at least one circumferential depression in its outer cylindrical body, for disengaging one or more radial seals during insertion or withdrawal of the probe member from the receiving mem... | 08/03/1993 |
| 5160175 | Quick pipe coupling with inflatable seal and pin retainer A quick pipe coupling a circular receiving chamber adjacent to the orifice thereof for holding a movable taper ring and an inflatable tube, an U-shaped lock pin releasably inserted therein to retain the taper ring in place, a toothed lock ring fastened in... | 11/03/1992 |
| 5052723 | Locking accommodating sealing port A port is described which will lock on to a standard hose and clamp nipple end, and accommodate more axial mis-match between the axis of the port and nipple than is normally experienced in the fabrication of piping to join between two devices. A releasing... | 10/01/1991 |
| 5052439 | Undersea hydraulic coupling with dovetail seal An undersea hydraulic coupling includes a male member and female member, and a two-piece retainer for restraining radial movement of a wedge-shaped annular seal into the central bore of the female member. The two-piece retainer includes a cylindrical reta... | 10/01/1991 |
| 5015016 | Internal pressure loaded V-seal connector A coupling having an internal pressure-loaded V-seal between a male member and a female member incudes a sleeve member insertable into the female member bore. The V-seal is repeatably positionable in the sleeve member such that insertion of the male membe... | 05/14/1991 |
| 4884584 | Internally preloaded metal-to-metal seal hydraulic connector A coupling having a metal-to-metal seal between a male member and a female seal member, the seal being "preloaded" by means of an internal preload mechanism. The male member engages the seal member, forming the sealing relation between the two. The seal m... | 12/05/1989 |
| 4848806 | Redundant seal for pressure vessels A space vehicle booster has a lower section and an upper section forming a joint with a seal assembly enclosing a closed cavity. The seal assembly has an upper flange joined to the upper section, and has a lower flange joined to the lower section, and has... | 07/18/1989 |
| 4793768 | Seal and turbine mount Vibration and shock isolation, as well as working fluid flow path sealing in a turbine-type power plant having a turbine housing 18 with a radially directed peripheral outlet 38 is achieved by locating the turbine housing 18 within a tubular housing 44 wi... | 12/27/1988 |
| 4772050 | Quick-disconnect inflatable seal assembly A zero-leak cryogenic coupling includes a polymeric seal clamped to a male bayonet member with two pairs of tightening rings. The tightening rings threadably engage each other in respective pairs around tapered ends of the inflatable seal member so that a... | 09/20/1988 |
| 4747606 | Bi-directional metal-to-metal seal A bi-directional metal-to-metal seal (10) comprising a ring with a pair of oppositely acting sealing elements (20 or 22) integral with the outer periphery of the ring. In one embodiment, two pairs of such sealing elements (20 and 22) are located on each e... | 05/31/1988 |
| 4694859 | Undersea hydraulic coupling and metal seal A coupling and metal seal are disclosed, primarily for use in undersea hydraulic applications. The female member of the coupling is of three-piece construction. The main body portion accepts a cylindrical retainer which is held captive within the body by ... | 09/22/1987 |
| 4669758 | High pressure, multiple passage swivel A multi passage swivel assembly provides fluid or gas flow while continuous or intermittent rotation occurs between a fixed inlet port and a rotating outlet port. The assembly contains a clearance control ring that compensates for dimensional change to al... | 06/02/1987 |
| 4650227 | Fluid coupling Arrangements for maintaining an annular sealing gasket in some predetermined position intermediate and substantially coaxial with opposed annular sealing beads extending axially from each of a pair of coupling components. One disclosed arrangement compris... | 03/17/1987 |
| 4626002 | Self-acting seal between adjacent pipe ends of a pressure vessel A self-acting gap seal for a gap existing between individual modules of a composite, annular pressure vessel comprising a flat, thin-walled seal element on the inside of the pressure vessel to bridge the gap plus the circumferential region adjacent the ga... | 12/02/1986 |
| 4615544 | Subsea wellhead system The subsea wellhead system includes a wellhead, a housing seat disposed in and connected to the wellhead, a casing hanger supported by the seat, a holddown and sealing assembly in the annulus between wellhead and hanger, a running tool attached to the han... | 10/07/1986 |
