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| Number | Title | Issue Date |
| 8007011 | Sealed flange joint for high pressure and high purity gas channels A sealed flange joint for high pressure and/or high purity fluid channels includes a first flange with a first fluid channel and a cylindrical front cavity. The front cavity is axially delimited by a ground surface and radially by a peripheral surface. The first flu... | 08/30/2011 |
| 7364166 | Seal and retainer for a fluid connection A seal/retainer unit (10) comprising an annular sealing gasket (12) and a plurality of retaining legs (14) extending generally perpendicularly therefrom. The sealing gasket (12) and the retaining legs (14) are formed in one piece (... | 04/29/2008 |
| 7357188 | Mono-diameter wellbore casing A mono-diameter wellbore casing is formed by radially expanding a first tubular liner off of a mandrel into contact with a second tubular liner. The first and second tubular liners are positioned within the wellbore in an overlapping relationship. The overlapping po... | 04/15/2008 |
| 7240728 | Expandable tubulars with a radial passage and wall portions with different wall thicknesses A tubular liner including a first tubular portion, a second tubular portion, and an intermediate tapered tubular portion coupled to, and positioned between, the first and second tubular portions. ... | 07/10/2007 |
| 7234731 | Gas feed pipe connecting screw for continuous casting nozzle A gas feed pipe connecting screw for a continuous casting nozzle which is mounted to the continuous casting nozzle formed with an axially extending ring-shaped slit concentric with a nozzle bore. The screw connects the nozzle to a gas feed pipe for blowing a gas int... | 06/26/2007 |
| 7226088 | Banjo fitting A banjo fitting is disclosed comprising a block, a stud, a saddle washer pair and a cap. The saddle washer pair is bent so as to partially surround and clip onto the block. In this manner the block and washer pair form a single unit to simplify installation of the b... | 06/05/2007 |
| 7150475 | Shear-resistant modular fluidic blocks A block for a modular fluid block assembly is disclosed. The block includes first and second opposed faces and first and second apertures from the first face to the second face for receiving a fastener. Each aperture includes a first end and a second end and a head ... | 12/19/2006 |
| 7118138 | Quick connect fastener and connection A connecting fastener is provided. The fastener includes a cylindrical base that includes a first end and a second end and a wall. A central bore is defined in the base and an aperture is defined in the wall. At least one projection extends from an inner surface of ... | 10/10/2006 |
| 7070208 | Straight thread adjustable port end An externally threaded male hydraulic coupling member adapted for threaded and sealed attachment to a port body with a female port. The male coupling member having a tubular member with a threaded end, a bore extending through the member, a first cylindrical periphe... | 07/04/2006 |
| 7063142 | Method of applying an axial force to an expansion cone A method of applying an axial force to a first piston positioned within a first piston chamber including applying an axial force to the first piston using a second piston positioned within the first piston chamber. ... | 06/20/2006 |
| 7059612 | Gasket A gasket comprises a ring member made of a metal material, and a covering section composed of an elastic material, wherein the covering section integrally covers side surfaces and an inner circumferential surface of the ring member respectively. First to third protr... | 06/13/2006 |
| 7044221 | Apparatus for coupling a tubular member to a preexisting structure An apparatus for coupling a tubular member to a preexisting structure. ... | 05/16/2006 |
| 7040396 | Apparatus for releasably coupling two elements An apparatus for coupling two elements including an outer tubular member defining one or more outer tubular member slots, an inner tubular member defining one or more inner tubular member slots positioned within the outer tubular member, and a coupling assembly for ... | 05/09/2006 |
| 6966370 | Apparatus for actuating an annular piston An apparatus comprising a first tubular member; a second tubular member positioned within and coupled to the first tubular member; a first annular piston chamber defined by the space between the first and second tubular members; an annular piston movably coupled to ... | 11/22/2005 |
| 6467819 | Method for rotational attachment of a connection fitting to an opposing surface A method is provided for rotationally attaching a connection fitting with an opposing surface by screwing the fitting into the opposing surface by threads on an outer surface of the fitting body. The connection fitting is formed by at least one seal manuf... | 10/22/2002 |
| 6375232 | Bi-metallic union fitting for use in threaded ports A lip seal union fitting attaches to a female boss associated with a hydraulic component. The female boss includes a bore, a first threaded portion located on an inner surface of the bore and a seat. A body of the lip seal union fitting is constructed of ... | 04/23/2002 |
| 5957508 | Sealing device A sealing device for a fluidtight screw connection. When screwing in a screw to be sealed into a fluid-carrying threaded bore of a component, in order to prevent a rectangular sealing ring from extending into a gap between a radial flange of the screw and... | 09/28/1999 |
| 5957505 | Branch pipe connection The present invention relates to a branch pipe connection for connecting a branch pipe to a lightly constructed underground sewage and drainage pipe. The connection includes a locking ring and a sleeve that are arranged against one another and can be tigh... | 09/28/1999 |
| 5829794 | Vacuumtight connection The invention relates to a vacuumtight connection between an (inner) channel (3) opening into the surface of the housing (2) of an appliance, pump or the like, the opening (4) of which is fitted with a sealing surface (5), and an (outer) line (6) having a... | 11/03/1998 |
| 5667257 | Connector assembly Past connector assemblies have failed to provide adequate amounts of the air/cooling liquid mixture from the heat exchanger to the surge tank for proper air venting. The present invention overcomes this and other problems by providing a connector assembly... | 09/16/1997 |
| 5664432 | Vehicle air conditioning condenser A vehicle air conditioning condenser includes two tubular members, one on each end of the condenser, for conducting refrigerant to the cooling tubes. A connector block, having a half cylindrical indentation extending from the top of the block to the botto... | 09/09/1997 |
| 5538261 | Mechanical heat-exchange tube sealing system A sealing system for heat exchangers of the type having a plurality of vertically positioned heat tubes extending through a heat tube sheet for exchanging heat between the interior of the plurality of heat tubes to the surrounding atmosphere, the sealing ... | 07/23/1996 |
| 5533764 | Transverse hydraulic coupling with lipped port The present invention relates to an improved hydraulic coupling which forms contact seals to fluidly connect a tapered port with a tube having a threaded connecting portion. The contact seals may be metal-to-metal seals, or alternatively may include a res... | 07/09/1996 |
| 5533765 | Crimped tube-to-port hydraulic fittings The present invention relates to an improved hydraulic coupling which forms contact seals to fluidly connect a tube to a tapered port by crimping (tube-to-port). The contact seal includes a metal-to-metal seal with a secondary elastomeric seal. A crimped ... | 07/09/1996 |
| 5516157 | Hydraulic port fittings The present invention relates to an improved hydraulic coupling which forms contact seals to fluidly connect a tapered port with a tube having a threaded connecting portion. The contact seals may be metal-to-metal seals, or alternatively may include a res... | 05/14/1996 |
| 5516156 | Hydraulic port fittings The present invention relates to an improved hydraulic coupling which forms contact seals to fluidly connect a tapered port with a tube having a threaded connecting portion. The contact seals may be metal-to-metal seals, or alternatively may include a res... | 05/14/1996 |
| 5197769 | Adjustable O-ring port fitting for a hydraulic coupling The present invention is a hydraulic coupling and method of making the same. The coupling includes a male fitting, a female port, and a lock nut. The male fitting has external threads which receive the female port and the lock nut. The female port has an ... | 03/30/1993 |
| 5115550 | Adjustable O-ring port fitting for a hydraulic coupling The present invention is a hydraulic coupling and method of making the same. The coupling includes a male fitting, a female port, and a lock nut. The male fitting has external threads which receive the female port and the lock nut. The female port has an ... | 05/26/1992 |
| 5000488 | Adapter fittings and connectors An adapter fitting made of two parts, a mounting member containing a fluid cavity and a flange member having bolt holes therein, is designed to enable fluid flow components of the type which can be bolted together and provide sealing at mating faces to be... | 03/19/1991 |
| 5000490 | Adapter fitting An adapter fitting made of two parts, a mounting member containing a fluid cavity and a flange member having bolt holes therein, is designed to enable fluid flow components of the type which can be bolted together and provide sealing at mating faces to be... | 03/19/1991 |
| 4934742 | Hydraulic coupling A fluid coupling assembly particularly adapted for connecting hydraulic conduits to the ports of a fluid manifold. The coupling comprises a male member which is threadedly connected to the port and which includes tapered locking surfaces on the male and f... | 06/19/1990 |
| 4877272 | Metal static seal and assembly comprising such a seal The static seal comprises a semi-rigid annular part (11) shaped as a bead and first and second wings (12, 13) extending transversely with respect to the seal axis and laterally connected to the bead portion (11) in a gradual manner by means of concave sur... | 10/31/1989 |
| 4822080 | Rotatably adjustable pipe joint/coupling seal A pipe joint for mating with a standard S.A.E. port includes at its outermost portion standard S.A.E. threads, an innermost threaded portion for receiving a nut, an annular groove between the innermost and outermost threaded portions for receiving a back-... | 04/18/1989 |
| 4570983 | Pipe connection with a seal ring satisfying hygienic demands The invention relates to pipe connections satisfying hygienic demands, comprising two members which can be screwed together and a seal ring of plastically or elastically deformable material lying therebetween, and the object of the invention is to prevent... | 02/18/1986 |
| 4553776 | Tubing connector A small-diameter tubing connector and sealing apparatus for anchoring a tubing end in fluidtight engagement in high pressure service (up to 60,000 psi), said apparatus having four separate sealing areas.... | 11/19/1985 |
| 4469122 | Modular check valve A fluid check valve having a cylindrical tubular body member which is symmetrical and is adapted to receive a pair of opposed head members which have suitable coupling ends formed thereon. The head members may be threaded on to the body or secured to the ... | 09/04/1984 |
| 4324423 | Tubular fitment A tubular fitment capable of establishing a fluid tight passage defining a connection between first and second confined space defining means, with the tubular fitting when in a first condition permitting the second confined space defining means and a seco... | 04/13/1982 |
| 4280721 | Angularly lockable fitting This invention relates to fittings for a pipe adapted for interconnecting a gas turbine engine and its fuel control where the fitting has a swivel connection for simple angular alignment and a friction plate locking the fitting and characterized as having... | 07/28/1981 |
| 4150836 | Backed boss seal fitting A fitting for establishing a sealed connection with a boss which fitting includes a concentric depression about the innermost portion of its boss engaging surface, which retains a backup ring of special cross-section by means of an inwardly facing circumf... | 04/24/1979 |
| 4078834 | Wall duct assembly A wall duct assembly is disclosed comprising a duct piece or unit having arranged on its outside diameter retaining grooves for sealing structures. The sealing structures can be adjusted through the aid of pressure rings to provide effective sealing of th... | 03/14/1978 |
