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| Number | Title | Issue Date |
| 8074996 | Plastic pipe sealing gasket and process for belling plastic pipe An sealing gasket is shown for use in forming joints of plastic pipe. The gasket has a bulbous region which is bisected by a planar region which forms a pair of oppositely extending wing-like flaps. These features of the gasket allow it to be more reliably seated on... | 12/13/2011 |
| 8006983 | Sealing assembly for use with a pressurized vessel and methods of assembling the same A method for assembling a seal assembly is provided. The method includes coupling a first ring within a vessel, coupling a second ring within the vessel, and coupling a first seal layer between the first ring and the second ring such that the first seal layer contac... | 08/30/2011 |
| 7942422 | Multiwall pipe lip seal joint An elastomeric lip seal joint for sealing the inner liner and grout layers when joining two sections of multiwall pipe having an outer steel casing and an inner liner. The ring-shaped lip seal joint comprises a gasket with insulating material completely covering its... | 05/17/2011 |
| 7703773 | Seal ring and method A seal ring 10 for sealing between first and second members 12, 14 each having an outer groove surface 16, 126 and inner groove surface 18, 127 includes a metal seal body 26, 42, 52, 60, 70, 80, 92, 110, 122, 140 for engagement wit... | 04/27/2010 |
| 7530574 | Dynamic flange seal and sealing system The present invention features a flange to flange dynamic seal and sealing system, particularly suited for use within high temperature, high pressure environments, such as a delayed coking process. The dynamic flange seal and sealing system comprises two primary ele... | 05/12/2009 |
| 7372933 | Radioactive-material container, metal gasket for sealing the radioactive-material container, and method of manufacturing the metal gasket A radioactive-material container includes a container body that shields nuclear radiation, which includes a cavity that stores a basket containing a recycle fuel assembly, a lid that covers the cavity, and a metal gasket that includes a sealing area that makes a phy... | 05/13/2008 |
| 7359803 | Apparatus and method for measuring parameters of a mixture having solid particles suspended in a fluid flowing in a pipe An apparatus 10,70 and method is provided that includes a spatial array of unsteady pressure sensors 15-18 placed at predetermined axial locations X1-XN disposed axially along a pipe 14 for measuring at least one par... | 04/15/2008 |
| 7341255 | Sealing fitting with expanding material An expanding compound is used to seal conduit fittings. The compound is injected into the fitting, and expands to separate conductors within the fitting. In one embodiment, the compound expands to four times its size, and hardens within approximately one hour. In a ... | 03/11/2008 |
| 7284474 | Piston-pumping system having o-ring seal properties The present invention relates to a piston pumping system for substantially gas-free measurement and/or pumping of predetermined quantities of liquids, preferably pharmaceutical liquids containing oxidation-prone ingredients. Preferably, the system is used as a micro... | 10/23/2007 |
| 7284310 | Method of manufacturing a seal and restraining system A method and apparatus for restraining pipe against both internal and external forces at a pipe or fitting connection and to join and seal at least two pipes to form a pipeline is shown featuring an improved restraining and sealing mechanism. The restraining and sea... | 10/23/2007 |
| 7260942 | Method of sealing joints of pipelines and containers operating with cryogenic fluids The invention relates to methods of sealing of pipeline joints operating with cryogenic liquids. The method is realized with the use of a tape of a porous structuring material that may be dry or impregnated with a liquid having a freezing point above the temperature... | 08/28/2007 |
| 7252142 | Annular isolators for expandable tubulars in wellbores The present disclosure addressed apparatus and methods for forming an annular isolator in a borehole after installation of production tubing. Annular seal means are carried in or on production tubing as it is run into a borehole. In conjunction with expansion of the... | 08/07/2007 |
| 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 |
| 7253362 | Closure with wrapped cable A closure housing includes a plurality of housings. At least one of the housings is a concave housing with an open face. At least one layer, such as for example an elastomeric film, surrounds one or more cables to define one or more wrapped cables. A portion of each... | 08/07/2007 |
| 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 |
| 7232955 | Cable seals and methods of assembly A method of sealing a cable penetration includes assembling a cable seal and inserting the cable seal into a cable penetration. Assembling the cable seal includes adhering at least a portion of a heat-shrinkable tubing to at least a portion of a cable outer jacket, ... | 06/19/2007 |
| 7216706 | Annular isolators for tubulars in wellbores The present disclosure addresses apparatus and methods for forming an annular isolator in a borehole after installation of production tubing. A first deployable annular isolator is carried on tubing as it is positioned in a borehole. An annular isolator forming mate... | 05/15/2007 |
| 7216719 | Field weldable connections An apparatus includes a weld coupling and a thermal insulator. The weld coupling is adapted to be welded to an outer housing of a first cable segment to couple the first cable segment to a second cable segment. The thermal insulator is adapted to prevent thermal dam... | 05/15/2007 |
| 7207762 | Push-on screw-off attachment device An attachment device for attaching a substrate to a support structure includes a housing having a space defined by facing wall portions. The space captures a rotatable push nut with flexible teeth. The housing is attached to the substrate using a flange positioned o... | 04/24/2007 |
| 7185894 | Watertight corrugated pipe gasket A corrugated pipe saddle gasket is provided having a leading member, a primary sealing member, and an arm member, with the gasket having a contoured surface extending along at least a portion of the bottom of the primary sealing member and the arm member correspondi... | 03/06/2007 |
| 7179525 | Low stress to seal expanded PTFE gasket tape A low stress to seal, unitary gasket tape is provided that is particularly suited for use in form-in-place gaskets. The gasket tape preferably comprises at least two joined porous expanded polytetrafluoroethylene (ePTFE) tapes aligned along tape side surfaces and a ... | 02/20/2007 |
| 7168707 | Method for sealing threaded pipe joints A material for sealing threaded pipe joints includes a multifilament yarn ready-coated with a joint sealing composition. The material is packaged in a dispenser from which the coated yarn may be supplied for direct application to a threaded area of a pipe. ... | 01/30/2007 |
| 7166912 | Isolated thermal interface An isolated thermal interface is presented. The inventive interface includes a flexible graphite sheet having two major surfaces, at least one of the major surfaces coated with a protective coating sufficient to inhibit flaking of the particles of graphite. ... | 01/23/2007 |
| 7158034 | Pipe gasket manufacturing and identification method with RFID tracking An asset tracking system is provided, having particular usefulness in connection with the marking and tracking of sealing gaskets of the type used in water and sewage systems and in fluid conveyance systems generally. Interrogation of RFID tags located on the sealin... | 01/02/2007 |
| 7150580 | Tapered manhole sealing band and method for use The invention relates to a device and method for sealing a manhole structure. An elastomeric band with at least two different peripheries is sealingly engaged to at least two corresponding peripheries of the manhole structure. Adhesives and supplemental retaining ba... | 12/19/2006 |
| 7146730 | Mounting a pass-through on a plastic fuel tank A method of mechanical twist lock attachment of a pass-through valve or fitting over an aperture in a plastic fuel tank having an embedded vapor barrier layer. A ring having circumferentially spaced internal lugs is secured to the tank by weldment around an aperture... | 12/12/2006 |
| 7134204 | Integral restraint system and method of manufacture for plastic pipe A method and apparatus for restraining pipe against internal forces at a pipe or fitting connection and to join and seal at least two pipes to form a pipeline is shown featuring an improved restraining/sealing mechanism. The restraining/sealing mechanism includes a ... | 11/14/2006 |
| 7125054 | Self restraining gasket and pipe joint A sealing and restraining gasket for preventing separation of a pipe joint used to join a bell end of a female pipe to the male end of a mating pipe. The gasket is formed from a compressible body of elastomeric material and carries a rigid ring with gripping teeth f... | 10/24/2006 |
| 7121352 | Isolation of subterranean zones One or more subterranean zones are isolated from one or more other subterranean zones using a combination of solid tubulars and perforated tubulars. ... | 10/17/2006 |
| 7117684 | Container with integral module for heating or cooling the contents A container comprises a container body for containing contents to be heated or cooled, a thermic module at one end of the body, and a closure at the other end of the body. Within the thermic module, an internal exothermic (or, alternatively, endothermic) chemical re... | 10/10/2006 |
| 7090259 | Anti-mismatch of near-sized coupling segments A series of successively sized segmented arcuate pipe couplings in which anti-mismatch members are provided to prevent the inadvertent connection of two different, but closely sized coupling segments together. The anti-mismatch features are provided on the ends of t... | 08/15/2006 |
| 7087838 | Cable sealing for a plug connector A plug connector includes a housing, a through-opening for a cable, and a seal adapted to seal in the area of the through-opening. A pressure plate is provided for compressing the seal between the pressure plate and a mating face in the housing, wherby part of the s... | 08/08/2006 |
| 7080486 | Pass-through firestop device A cast-in-place pass through firestop device for providing a passage in a partition in a structure through which wires, cables, pipes, and the like are run includes a housing having a riser portion with frangible connections that define removable bands that can be r... | 07/25/2006 |
| 7066927 | Vented seal having redundant sealing components A seal having a body and several bands extending away from the body. The bands extend around an axial portion of the body. In some embodiments, the bands project from and are formed integral with the body. For example, the bands can be rings. Two bands can be locate... | 06/27/2006 |
| 7044461 | Method and apparatus for adjustably induced biaxial strain An apparatus comprising a shape memory alloy is configured as a ring shaped sample holder for a transmission electron microscope and imparts uniform biaxial strain on a thin film mounted within. The sample holder responds to a change in temperature by changing the i... | 05/16/2006 |
| 7032905 | Leak resistant seal A seal includes a resilient carrier with opposed limbs holding sealing rings that engage sealing surfaces. The seal is oriented so that a space between the limbs is exposed to a higher than ambient pressure that biases the limbs apart to increase the force pressing ... | 04/25/2006 |
| 7032934 | Hydraulic fitting A connector for a fluid conduit is provided herein. The connector includes a conduit structure and an annular seal member. The conduit structure has a frustro-conical surface and a seal groove. The frustro-conical surface may be an external surface or an internal su... | 04/25/2006 |
| 7028972 | Gasket and mandrel assembly for pipe joints A gasket and mandrel assembly, including a gasket having an annular main body portion with an anchor flange and a pipe sealing portion. The gasket is foldable between a folded position in which the pipe sealing portion is disposed substantially within the main body ... | 04/18/2006 |
| 7015394 | Sealed and adaptable cable bushing with easy cable positioning and sleeve equipped with such a bushing A cable bushing intended to close off, in a sealed way, a space around a plurality of cables, comprises a first compression part (4) intended to be positioned towards the outside of a sleeve (47), a second compression part (6), offset in a longi... | 03/21/2006 |
| 7010889 | Riser support clamp for pipe riser or conduit A riser clamp mateable with a riser, wherein the riser clamp supports a column of the riser as material passes therein, and the riser clamp further covers or seals the opening in the partition formed through which the riser passes. The riser clamp comprises a pair o... | 03/14/2006 |
