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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8038174 | Apparatus for repairing a core spray downcomer pipe slip joint coupling A slip joint clamp is disclosed which structurally replaces cracked welded joints in the core spray downcomer slip joint coupling, which is part of the lower portion of internal core spray piping internal to a reactor vessel of a Boiling Water Reactor plant. The int... | 10/18/2011 |
| 7963566 | Apparatus and method for repairing a core spray line pipe weld joint A clamping device supports or structurally replaces a weld joint between connected pipes. The clamping device includes an upper clamp body and a lower clamp body securable on opposite sides of the connected pipes in facing relation, and at least one clamp bolt conne... | 06/21/2011 |
| 7896399 | Exhaust system repair apparatus A exhaust system repair apparatus provides a basic u-bolt member and saddle clamp design which can be positioned behind an existing damaged flange, one which cannot be tightened against an opposing flange in order to create an exhaust seal. The apparatus features ea... | 03/01/2011 |
| 7819435 | Rehabilitating pipe for repairing existing pipe and method for repairing existing pipe A rehabilitating pipe for repairing an existing pipe has pipe units that are mutually coupled in a longitudinal direction of the existing pipe. Each of the pipe units has segments that are mutually coupled in a circumferential direction of the existing pipe. Each of... | 10/26/2010 |
| 7566076 | Conduit fitting for conduits A unitary conduit repair joins first and second conduits each having open ends spaced from one another a predetermined distance, wherein the repair includes a unitary tubular body having a first end portion with an elongated female portion and an opposite second end... | 07/28/2009 |
| 7506895 | Segment for a rehabilitating pipe A segment is coupled to another segment in circumferential and longitudinal directions thereof to assemble a rehabilitating pipe for rehabilitating the existing pipe. Each of the coupled segments has at least one coupling surface provided with a recessed part that c... | 03/24/2009 |
| 7381454 | Tubular product A tubular product has a tubular base layer, a tubular innermost layer made of plastic by continuous extrusion, and a tubular tie layer of foamed plastic between and adhered to the base layer and the innermost layer. The tie layer is made of melt processable adhesion... | 06/03/2008 |
| 7367362 | System and method for pipe repair A system and method of repairing a pipe including securing a reinforcing material, such as a dry fiber structure (e.g., a carbon fibers) to the surface of the pipe. A polymeric material is placed on top of the reinforcing material, self-penetrating the dry fiber str... | 05/06/2008 |
| 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 |
| 7341280 | Rehabilitating pipe and method for laying a rehabilitating pipe A rehabilitating pipe is assembled inside an existing pipe using segments to repair the existing pipe. A coupling member is inserted through a segment when it is coupled in the longitudinal direction to another segment coupled already, and the coupling member is joi... | 03/11/2008 |
| 7341288 | Restrained sleeve pipe coupling A restrained sleeve coupling assembly for interconnecting pipe sections includes a generally cylindrical sleeve body, a generally cylindrical adaptor body and opposed end rings which are sleeved over the respective pipe sections to be joined. The generally cylindric... | 03/11/2008 |
| 7322382 | Segment for a rehabilitating pipe A segment for a rehabilitating pipe is coupled to another segment in the circumferential and longitudinal directions of a rehabilitating pipe to rehabilitate an existing pipe. The segment has on one coupling surface a protruding part and a recessed part continuous w... | 01/29/2008 |
| 7322614 | Motor vehicle exhaust pipe repair device A device for repairing automobile, and other vehicle, exhaust pipes that have been broken. The device comprises three major components, four sections of angle steel, four U-bolts, and two thread bolts. The angle steel sections form a trough and a cap. In use, the br... | 01/29/2008 |
| 7322922 | Method and device for jointing of cores End-to-end joining of sleeves. A first glue strand is applied to the end joint surface of one of the sleeves, the first glue strand having properties that cause an immediate fixing of the end joint surfaces of the sleeves. A second glue strand is applied to the end ... | 01/29/2008 |
| 7316423 | Fitting and pipe section for jetted bath heaters A fitting and pipe section assembly 10 that is capable of being installed in tubing 20A and 20B of a jetted bath to render the tubing 20A and 20B adaptable to accept a close fit fluid flow device 30. The fitting and pipe sec... | 01/08/2008 |
| 7272204 | Method and apparatus for clamping a riser brace assembly in nuclear reactor An apparatus and method are provided which are designed to structurally replace welds that attach a riser brace assembly to a jet pump riser pipe. The riser brace assembly may include an upper clamp assembly, a lower clamp assembly, and a plurality of mechanical fas... | 09/18/2007 |
| 7261326 | Submersible pump drop pipe and casing assembly connection and method of manufacture A submersible pump drop pipe and casing assembly and method of manufacture is disclosed. The drop pipe/casing has a seated connector and base. The seated connector has a first and second cylinder section, the first cylinder section being used to align and direct the... | 08/28/2007 |
| 7261324 | Containment apparatus and method for attachment to a ruptured pipe In one embodiment, a containment apparatus includes an outer casing having a body with a first end and a second end sized to fit around a pipe, and an interior channel in the body that extends between the first and second ends configured to receive a section of the ... | 08/28/2007 |
| 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 |
| 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 |
| 7232160 | Pipe clamp inner seal A sealing of pipe repair clamps is taught providing a flexible inner sheet or sleeve adapted for duty inside a pipe repair clamp to prevent leakage of the fluid to be transported in a pipeline. The inner sheet or sleeve may be used in combination with a band-type pi... | 06/19/2007 |
| 7219934 | Pipe coupling A pipe coupling for coupling the ends of pipe sections together end to end, wherein the coupling includes a barrel member, at least one coupling member, at least one elastomeric sealing ring, a tangentially extending bolt and interacting members. The barrel member s... | 05/22/2007 |
| 7216795 | Mechanical weldable fitting for use in tapping a pipeline A mechanical weldable fitting for use in tapping a pipe includes a first and second metal collar, each formed of attachable upper and lower semi-toroidal portions that when assembled on the pipe providing spaced-apart external cylindrical surfaces. Each collar havin... | 05/15/2007 |
| 7213652 | Sealed branch wellbore transition joint A sealed branch wellbore transition joint. In a described embodiment, a completion system for a well having a branch wellbore extending outwardly from a window in a parent wellbore includes a tubular string having a portion positioned within the window, and a sealin... | 05/08/2007 |
| 7192187 | In-line thermometer An improved temperature measuring device for the in-line temperature measurement of fluids which does not require intimate contact of the fluid with the temperature sensing element. In addition, the invention contains no internal cavities or crevices making it very ... | 03/20/2007 |
| 7186194 | Bicycle front derailleur A front derailleur has a base member adapted to be coupled to a bicycle frame, a chain guide, first and second pivotal links coupled between the base member and the chain guide, and a biasing member normally biasing the chain guide toward a first position. The biasi... | 03/06/2007 |
| 7182155 | Locking split barrel sampler and soil sampling system Once the core barrel has been inserted into the ground to the appropriate depth for the required soil sample, it may be withdrawn by removing the entire drill string. Once withdrawn, the soil sample may be obtained by unscrewing the adapter coupling 12 and drive sho... | 02/27/2007 |
| 7168743 | Means to seal terminal ends of pipe sleeves An apparatus to seal terminal ends of the two half oversized sleeves, positionable on the external circumferential side of affected riser pipes. The apparatus comprises of a pair of flange bodies integral to the two half oversized sleeves and a pair of terminator bo... | 01/30/2007 |
| 7168673 | Pole stabilization and support system and kit A pole support system comprises a metal sleeve that generally conforms to an outer surface of the pole; an elastic liner disposed between the metal sleeve and the pole; and a clamping band that circumscribes and compresses the metal sleeve over the elastic liner aga... | 01/30/2007 |
| 7165579 | Pipeline repair system and method of installation A pipeline repair system includes a sleeve adapted to permanently enclose an outer surface of a longitudinal section of a pipeline having a defect. The sleeve includes two or more longitudinal segments of a cylinder joined at the longitudinal edges to form a sleeve ... | 01/23/2007 |
| 7166941 | Electroplated stator bar end and fitting The interior of a stator bar clip that is joined to the end of a stator bar is electroplated so that a metallic barrier coating overlies the braze joint between the stator bar and the clip to define a seal at and around the joint that is substantially impermeable to... | 01/23/2007 |
| 7131671 | Transparent coupling A transparent coupling for joining the ends of relatively soft plastic conduit. Visual inspection through the coupling affords confidence that the conduits have been installed in their proper position within the coupling. Internal circumferential barbs of the coupli... | 11/07/2006 |
| 7131624 | Landscape edging form assembly and method A landscape edging form assembly for forming a concrete edging in place, includes first and second sidewalls and a series of flexible connectors extending between and interconnecting the sidewalls. The flexible connectors are spaced apart from each other in the dire... | 11/07/2006 |
| 7129603 | Corrosion protective coating for extending the lifetime of water cooled stator bar clips A water-cooled stator bar clip for electrical generators and a method for applying a corrosion-resistant protective coating, preferably Sc, Ti, Cr, Zr, Nb, Mo, Hf, Ta, W, Ni, and Al, and their alloys or oxides to existing stator bar end fittings in order to signific... | 10/31/2006 |
| 7125053 | Pre-expanded connector for expandable downhole tubulars A method and apparatus for providing an expandable threaded connection between segments of expandable tubulars. Threaded connections are machined into pre-expanded ends of tubulars. Once the threaded connections are machined into the pre-expanded ends, two joints of... | 10/24/2006 |
| 7080687 | Anti-rotation method and apparatus for limiting rotation of cementing plugs An apparatus for preventing or limiting the rotation of cementing plugs in a casing string during drillout. The apparatus includes an outer housing with a sleeve disposed therein. The sleeve has an inner surface configured to engage cementing plugs received therein ... | 07/25/2006 |
| 7076874 | Fitting and pipe section for jetted bath heaters A method of modifying a bath to accept a heater (30) using a fitting and pipe section assembly (10) is provided. The method includes cutting the assembly (10) along first and second indicia (17A and 17B) disposed at the ends of a p... | 07/18/2006 |
| 7076904 | Detachable gun barrel assembly A detachable gun barrel assembly having an adapter for threaded engagement with the receiver and a barrel dimensioned for affixation to the adapter. The adapter has a mating end section which threadedly engages the receiver V-threads and a receiving end section havi... | 07/18/2006 |
| 7065924 | Downpipe connector system A downpipe connector system is disclosed. The system having a downpipe connector for attachment to a channel in a canale. The connector has a first portion with an upstanding wall and a floor from which the floor extends. A tubular extension projects from the floor ... | 06/27/2006 |
| 7066210 | Compression pipe repairing and reinforcing methods A method of repairing a section of pipe is described. The method includes applying a first split sleeve and a second split sleeve to the pipe section, functionally associating the first end of the first split sleeve with the first end of the second split sleeve, and... | 06/27/2006 |
