Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7431351 | Pressure-containing tubular connections for remote operation This invention is a method and apparatus for making a pressure-containing threaded tubular connection, suitable for remotely operated connection and separation, utilizing electrical heating to reduce the amount of make up torque required to produce reliable preloadi... | 10/07/2008 |
| 7390033 | Screw connection device for connecting the flared ends of two pipes A screw connection device for connecting the flared ends of two pipes includes a nut, a screw and distance element which comprises a first recess or shape for accommodation of the flare at the end of a first pipe, and a second recess or shape for accommodation of th... | 06/24/2008 |
| 7243959 | Reactor water isolation devices A seal clamp assembly for sealing an opening in a piping system includes, in an exemplary embodiment, a base having a first side, a second side and an aperture extending therethrough from the first side to the second side, and a brace coupled to the base. The brace ... | 07/17/2007 |
| 7204525 | Flowline clamp connector A flowline connection assembly connects first and second tubular members to each other. Each tubular member has an external flange on its end. A conical recess is formed in the bore at the end of each of the tubular members. A metal ring has a pair of legs extending... | 04/17/2007 |
| 7093864 | Connecting element for pipes and method for welding a connecting element onto the end of a pipe The invention relates to a connecting element for welding onto a circular front face of a pipe, said element having an annular region, (friction region), that can be friction welded to said front face. The connecting element can be welded onto the end of a pipe with... | 08/22/2006 |
| 7080859 | Rain tight fitting for metal tubing A rain tight fitting for connecting electrical metal tubing to a panel. The rain tight fitting includes a tubular body having an inner bore and a rearward end. A threaded outer periphery and a seal ring seat are included on the rearward end. A seal ring is disposed ... | 07/25/2006 |
| 7073796 | Metal packing A metallic packing is used to seal a connection between steam pipes. The metallic packing has an annular basement. This annular basement has an opening that joins the holes of the steam pipes. Two annular lips project from an inner circumference of the annular basem... | 07/11/2006 |
| 7025360 | Metal seal with corrosion resistant alloy overlay A composite metal sealing ring and method are provided for sealing between tubular members. First and second tubular members have first and second conical inner sealing surfaces. A metal sealing ring has corrosion-resistant inlays defining opposing conical outer sea... | 04/11/2006 |
| 7000952 | Duct separation restraint apparatus and method A coupling apparatus and method for coupling two duct sections together to form a joint therebetween. The apparatus includes a catcher ring component formed coextensive with the edge of one section of duct, and a catcher finger component formed coextensive with an e... | 02/21/2006 |
| 7000953 | Pipe screw-connection A pipe screw-connection for connecting a pipeline having a connection end with a deformed annular bead, including a connection stub and a screw-connection coupling part, which can be screw-connected to the connection stub in order to retain the pipeline in a sealed ... | 02/21/2006 |
| 6988748 | Fluid coupling assembly A fluid coupling assembly having a first and second metal tube, each tube having an outwardly flared end. A first connector includes a throughbore, a first end and a second end with a radially inwardly extending rim at the first end of the first connector. The first... | 01/24/2006 |
| 6932355 | Sealing arrangement There is referred to a sealing arrangement (10, 10′) comprising two armature members (11, 12), which are adapted to receive a sealing ring (13, 13′) between them for sealing off a joint between the armature members (11, 12), and a cla... | 08/23/2005 |
| 6926283 | Metal-to-metal sealing system An annular metal-to-metal sealing system comprises at least one metal member defining an annular sealing surface and an annular seal body which is comprised of a high strength metal material and which is positioned substantially concentrically relative to the annula... | 08/09/2005 |
| 6902210 | Universal connector tubing The invention is a universal connector which is useful with a variety of differently configured and shaped fittings as well as for applications when the fittings are identical. The connectors provided at either end of the tube may be formed by either compression mol... | 06/07/2005 |
| 6869080 | Metal-to-metal sealing system A metal-to-metal sealing element for a wellhead assembly which includes at least first and second adjacent components and first and second generally annular sealing surfaces that are each formed on a corresponding one of the components. The sealing element comprises... | 03/22/2005 |
| 6722426 | Gasket with multiple sealing surfaces A metal seal for a wellhead assembly has upper and lower legs extending in opposite directions from each other and a rib extending radially outward from a junction of the legs. A first conical band on the upper leg extends uninterrupted from the rib a selected dista... | 04/20/2004 |
| 6698800 | Remote connector including support structure An articulating connector system including an active connector coupled to a first line and a hub assembly coupled to a second line. The active connector includes a swivel coupling element intermediate a grip and a ball nose to allow rotational and articul... | 03/02/2004 |
| 6561521 | Metal-to-metal seal with soft metal insert An annular metal-to-metal sealing system, for use in wellhead systems and having many other uses, has a metal member defining an annular internal or external sealing surface for which sealing is intended. An annular seal body composed of high strength met... | 05/13/2003 |
| 6557906 | Tubular members A threaded union highly resistant to overtorque and compression that includes a threaded member in its internal surface--called female--that joins a threaded member in its external surface--called male--. The union between the male extreme and the female ... | 05/06/2003 |
| 6450507 | Water ingress seal for tapered seals A wellhead housing includes a metal seal with a ring portion and a rib portion. The ring portion includes two frustoconical surfaces for mating with tapered surfaces of a wellhead connector and the wellhead housing. Two conical, metal-to-metal seals are c... | 09/17/2002 |
| 6361084 | Adjustable plumbing connector and method A connector sleeve (2) has a structure-attachment flange (9) on a flange end, a seal surface (4, 5, 15, 17) on a seal end and a nut-retainer ring (8, 14, 16) intermediate the structure-attachment flange and the seal end of an outside periphery of the conn... | 03/26/2002 |
| 6254147 | Fluid-tight connecting apparatus A fluid-tight coupling (2) for connecting opposite ends of the pipe section (4, 6) to provide a fluid-tight AI seal is described. The fluid-tight seal between the upper and lower tubular sections is provided by an upper and a lower metal-to-metal seal pro... | 07/03/2001 |
| 6237968 | Pipe connector having a connecting portion formed onto one pipe end The invention relates to a pipe connector with a connecting portion (4) formed by a non-chip producing method. On one pipe end of the pipes. The connecting portion (4) includes an outer conical face (7) and a first conical bore (10). A first connecting el... | 05/29/2001 |
| 6203074 | Duct system and method Internal connectors are configured to conformingly fit within each of the mating ends of adjacent duct elements. The internal connectors each comprise a sleeve having an outwardly extended wall disposed about a perimeter of the internal connector. The mat... | 03/20/2001 |
| 6070912 | Dual seal and connection A dual seal is provided for establishing fluid tight engagement between conduits subjected to both internal and external pressure. The dual seal comprises four seal portions disposed between an inner and an outer cylindrical surface.... | 06/06/2000 |
| 6070911 | Clamp-type pipe joint A clamp-type isolating pipe joint is disclosed, which can connect pipes by providing insulation between them, is easy to assemble and disassemble, has high reliability and allows easy replacement of parts and is inexpensive to manufacture and install. The... | 06/06/2000 |
| 6007111 | Dual metal seal for wellhead housing A system for sealing a wellhead, the system comprising: a wellhead housing for connecting to a well string casing, the wellhead housing being annularly disposed about a central axis comprising: a primary sealing surface disposed within the wellhead housin... | 12/28/1999 |
| 5992893 | Connector There are disclosed two embodiments of a connector for sealably connecting the lower ends of an upper riser member and an upper conduit on the lower ends of an upper riser pipe and upper auxiliary line joint, respectively, to the upper ends of a lower ris... | 11/30/1999 |
| 5944319 | Method of forming a metal to metal seal between two confronting faces of pressure containing bodies and a metal to metal seal A metal to metal seal and a method of forming the same includes providing a pair of opposed clamping faces. Each of the clamping faces surround apertures. Seal grooves serve to widen each of the apertures. Each of the seal grooves have truncated angular c... | 08/31/1999 |
| 5895079 | Threaded connections utilizing composite materials For threaded connections for oil and gas applications using tubular goods of composite materials, substantially greater make up torque can be applied, with significantly improved tensile and sealing properties, by incorporating stress-relieving conical gr... | 04/20/1999 |
| 5839765 | Metal seal ring for tubular joint A tubular joint has a pair of tubular members (10, 12) with end hubs (14, 16) in opposed relation and secured by a clamp (22). A primary seal ring (40) has external tapered sealing surfaces (42, 44) engaging internal tapered sealing surfaces (28, 30) on t... | 11/24/1998 |
| 5772643 | Barbed luer adapter The luer adapter of this invention includes a barbed portion having a generally cylindrical distal portion, a generally conical portion, a generally cylindrical portion and a generally outwardly tapered proximal portion. The shape of the barb is substanti... | 06/30/1998 |
| 5620187 | Contracting/expanding self-sealing cryogenic tube seals Contracting/expanding self-sealing cryogenic tube seals are disclosed which use the different properties of thermal contraction and expansion of selected dissimilar materials in accord with certain design criteria to yield self-tightening seals via sloped... | 04/15/1997 |
| 5603533 | Tube flange assembly A tube flange assembly including attachment flanges associated by interlocking deformation with flared tubes. The flanges are placed with the attachment plates thereof arranged in juxtaposition with a tubular insert extending to within the tubes. A raised... | 02/18/1997 |
| 5553900 | Pipe joint structure for fluid device When used for connecting a fluid carrying pipe, the pipe joint for a fluid handling device of the present invention can provide a strong force for preventing the fluid carrying pipe from coming out from the pipe joint and can assure excellent sealing prop... | 09/10/1996 |
| 5466018 | Seal ring and joint A seal ring (4) and connection joint (1) for connecting and sealing conduits/pressure vessels (2, 3) and the like is disclosed. The seal ring comprises a sealing portion (5) having a pair of seal lips (6, 7) sloping radially outwardly to a web portion (8)... | 11/14/1995 |
| 5421624 | Flange joint assembly A flange joint assembly having first and second attachment flanges are associated with first and second tubes through an interengagement of the ends of the tubes between an inner annulus and an annular corrugation which are inwardly of an attachment plate... | 06/06/1995 |
| 5370424 | Pipe connection A connection system for a deformable conduit with a support portion which is inserted within an end of the conduit. The support portion has a hollow interior and an external contour with first and second surfaces. First and second portions of the deformab... | 12/06/1994 |
| 5328211 | Crush tube fluid connection A crush tube is used to provide a fluid connection between a first and second member. The crush tube has two tubular portions with a spherical portion therebetween. The tubular portions are loosely received in nominally coaxial bores having entrance chamf... | 07/12/1994 |
| 5290074 | Swivel fitting An improved swivel fitting for interconnecting two tubular members which permits a range of relative swinging movement of the conduits relative to another, and wherein a cord or fiber optic length is adapted to be passed. It includes a housing composed of... | 03/01/1994 |
