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| Number | Title | Issue Date |
| 7384076 | Pipe ring apparatus and method An apparatus and method according to which the apparatus includes a pair of connected arcuate members for clamping around a pipe, with each arcuate member including at least one protrusion. The arcuate members have a first material hardness and at least a portion of... | 06/10/2008 |
| 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 |
| 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 |
| 7341286 | Fluid coupling with dual function retention ring A fluid coupling includes a carrier carrying a retention ring with inward and outward radially and angularly extending fingers for respectively engaging an outer surface of an endform inserted through a bore in the carrier and the inner surface of a bore in a housin... | 03/11/2008 |
| 7252293 | Two-part gasket for pipe-to-pipe connections A gasket for pipe-to-pipe connections, which is closely received within a rectangular-shaped annular groove in the bell end of a pipe, and provides a compressive, fluid-tight seal with the spigot end of another pipe. The gasket includes a two-part body having a subs... | 08/07/2007 |
| 7243955 | Universal pipe connectors and sealing element therefor A universal pipe connector for forming a connection with at least one pipe end includes a connector body having an opening for receiving the pipe end. A clamping ring, extending around, and mechanically engaging, the opening, features a tightening mechanism for tigh... | 07/17/2007 |
| 7219932 | Junction plate for subsea hydraulic couplings A junction plate assembly for subsea hydraulic couplings has gear-driven cam followers on the circumference of one, generally circular, junction plate and curved cam tracks on a corresponding junction plate to urge the plates together or apart. The gears can provide... | 05/22/2007 |
| 7207605 | Tube coupling Coupling components which prevent relative rotation between tubular members when break away torque forces are applied to the tubular members. In one embodiment, the invention is a locking ring for preventing relative axial rotation between two generally tubular memb... | 04/24/2007 |
| 7163190 | Undersea hydraulic coupling member and seal retainer An undersea hydraulic coupling member having a seal retainer with a first inner ring and a second outer ring is disclosed. The first inner ring and second outer ring are concentric, at least part of the first inner ring inserted through the second outer ring. The se... | 01/16/2007 |
| 7140618 | Socket with dual-functional composite gasket A gasketed pipe joint including a dual-functional, composite gasket, which in addition to forming a seal between a pipe bell and a spigot provides a molding surface for forming a bent retainer in the hub of the pipe or fitting. The dual-functional composite gasket c... | 11/28/2006 |
| 7121589 | Tank fitting and method of use Tank fittings are provided. A tank fitting has a coupling. The coupling includes a flange disposed between a first end and a second end of the coupling. External threads are disposed between the flange and the first end. A gasket is disposed on the coupling between ... | 10/17/2006 |
| 7108297 | Quick connector An inner peripheral surface of a tube connecting portion of a tubular connector housing is divided into a first receiving portion on one axial side and a second receiving portion on an opposite axial side by an inwardly directed annular parting projection. A first O... | 09/19/2006 |
| 7108292 | Hose coupler An apparatus for coupling ends of a first hose and a second hose. The apparatus comprises a male coupler configured to attach to the first hose, and a female coupler having an inner cavity and being configured to attach to the second hose in the inner cavity by way ... | 09/19/2006 |
| 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 |
| 7021677 | Seal retainer with metal seal members for undersea hydraulic coupling An improved seal retainer for an undersea hydraulic coupling member, which utilizes metal seals to maintain fluid integrity, is disclosed. The metal seals of the present invention are designed to either create an absolute barrier to fluid flow, or utilize a press or... | 04/04/2006 |
| 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 |
| 6969094 | Tube coupling A tube coupling for the detachable coupling of tube line sections of a high-pressure tubing system. The tube coupling includes two coupling blocks held together by a clamping screw, whereby one of the coupling blocks has a coupling plug that engages a plug socket pr... | 11/29/2005 |
| 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 |
| 6913292 | Mechanical pipe coupling derived from a standard fitting A coupling for joining pipe segments together is disclosed. The coupling is derived from a standard fitting and has a housing with a socket and a first expanded region adjacent to the socket and a second expanded region adjacent to the first expanded region. A seali... | 07/05/2005 |
| 6907904 | Fluid delivery system and mounting panel therefor A novel fluid delivery system includes a mounting panel, where the mounting panel includes channels that define the flow of fluid between any flow-control components mounted on the mounting panel. The mounting panel comprises a top plate and a bottom plate, and the ... | 06/21/2005 |
| 6899358 | Hammer union and seal therefor A hammer union comprises a thread end, a nut end and a hammer nut which, when cinched up, compresses a composite seal assembly thereby preventing leakage. The seal assembly comprises a metal insert of a size to pass into the seal groove of conventional hammer unions... | 05/31/2005 |
| 6893052 | Connecting arrangement for coolant lines A connecting arrangement for coolant lines includes a first coupling piece, connected seal-tight to a first line endpiece, and a second coupling piece, connected seal-tight to a second line endpiece. The coupling pieces each have radially extending sealing surfaces ... | 05/17/2005 |
| 6786517 | Concentric pipe joint restraint A novel concentric pipe joint restraint is disclosed. The restraint is specifically designed to resist axial movement of an inner spigot pipe relative to an outer socket pipe with which it has been joined. The restraint, which operates within the annulus, generally ... | 09/07/2004 |
| 6764109 | Hammer union and seal therefor A hammer union comprises a thread end, a nut end and a hammer nut which, when cinched up, compresses a composite seal assembly thereby preventing leakage. The seal assembly comprises a metal insert of a size to pass into the seal groove of conventional hammer unions... | 07/20/2004 |
| 6726256 | Fitting or mounting part for establishing a pressed connection with an inserted tube end A fitting or a mounting part including an end section extending in a longitudinal direction, which end section can be pressed together with a tube for establishing a connection. The fitting or mounting part has a ring-shaped elevation on the end section forming a sp... | 04/27/2004 |
| 6708985 | Ring seal and retainer assembly The ring seal and retainer assembly includes an annularly shaped ring seal defining a radial inner surface, a radial outer surface, first and second axial end surfaces and a central bore for fluid or gas passage. A retainer is provided for affixing and positioning a... | 03/23/2004 |
| 6663144 | Seal retainer for undersea hydraulic coupling An undersea hydraulic coupling has a male member and a female member with two ring-shaped hollow seals that engage the male member when it is inserted into the female member bore. A seal retainer restrains implosion or radial movement of one of the hollow... | 12/16/2003 |
| 6641179 | Mobile air conditioning system connection having a captured O-ring An improved fitting for mobile air conditioning systems is disclosed that reduces the risk of damage to fitting O-rings during assembly, the fitting male member being compatible with the fitting female member of many existing fittings currently in service... | 11/04/2003 |
| 6623047 | Tube coupling Couplings and coupling components which prevent relative rotation between tubular members when break away torque forces are applied to the tubular members. In one embodiment, the invention is a locking ring for preventing relative axial rotation between t... | 09/23/2003 |
| 6581983 | Fitting or mounting for producing a press joint with an inserted tube end A fitting or a mounting part, particularly for the connection with a tube-shaped component, comprises an end section, which can be pressed together for establishing a connection. At the end section, a ring-shaped elevation is arranged in which a sealing r... | 06/24/2003 |
| 6550775 | Annular gasket An annular gasket for providing a fluid-tight seal between a corrugated pipe and a smooth annular section of a second member. The gasket includes a support portion and a gasket portion. The support portion is made from a first material having a first hard... | 04/22/2003 |
| 6543120 | Method for retaining a seal ring A seal retaining system for retaining a seal ring in a pipe coupling, wherein a plurality of seal ring retainers are connected to a flange around the periphery of a seal seat and wherein the retainers can be moved from an open position in which a seal rin... | 04/08/2003 |
| 6523864 | Connector In a plug-in connection (1), in particular for fluid lines, which comprises a part of the connection (2) to be inserted and a receiving part of the connection (3), between which a seal (10) can be clamped and which are able to be releasably connected to o... | 02/25/2003 |
| 6517124 | Device for connecting a pipe end to a member A device for connecting a pipe end to a member. The device has a tubular endpiece with a first end secured to the member and a second end through which the pipe end can be engaged in the endpiece. The endpiece is provided internally with an abutment again... | 02/11/2003 |
| 6474700 | Gas panel A gas panel for use with a tool for manufacturing a semiconductor includes a one-piece manifold body having an inlet for receiving a process gas. The manifold body has at least one lateral wall extending in the general direction of gas flow. The lateral w... | 11/05/2002 |
| 6474699 | Press fitting element A metallic press fitting element for providing a non-detachable, tight joint of pipes includes a main body which is defined by a longitudinal axis. The main body is comprised of a radially outwardly projecting bead area at an entry side of a pipe to be in... | 11/05/2002 |
| 6454314 | Seal for a plug-in connection An elastomeric seal seals a pipe which is held in a push-in part of a plug-in coupling relative to a cylindrical interior surface of a housing of the plug-in coupling, into which the push-in part is pushed together with the pipe. The seal is in prestresse... | 09/24/2002 |
| 6454316 | Seal ring retainer A seal retaining system for retaining a seal ring in a pipe coupling, wherein a plurality of seal ring retainers are connected to a flange around the periphery of a seal seat and wherein the retainers can be moved from an open position in which a seal rin... | 09/24/2002 |
| 6427309 | Method and forming element for producing a press connection between a fitting and a pipe and being inserted into the reception of the fitting Method of forming a compression coupling between a fitting and a tube inserted into the retaining section of the fitting. The method involves use of a shaped part formed so that, during insertion of the tube into the fitting, the sealing ring set into an ... | 08/06/2002 |
| 6416087 | Connection piece with sealing bead The invention relates to a connecting branch (10) comprising a replaceable insert part (20) which is placed in a chamber (22) in a sealed manner. Said chamber is open in the front and is located inside the connecting branch (10). A ring-shaped sealing sur... | 07/09/2002 |
