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8939469 Static dissipative fluid conveying coupler  
A rigid coupler for use in electrically isolating an electrically conductive fluid conveyance system is described. The rigid coupler includes a nonconductive liner having a first end configured to...
8666017 Apparatus for repairing riser pipe elbow weld in boiling water nuclear reactor  
A support clamp assembly for mechanically securing a thermal sleeve to an elbow conduit in a jet pump of a nuclear reactor vessel, the support clamp assembly including: a tension shaft having a...
7918081 Flame prevention device  
A gas turbine engine includes an engine casing concentrically disposed around the following: a low pressure compressor; a turbine; and a high pressure compressor having at least one bleed tube and...
7909370 Root-repellant drain/sewer pipe connector  
A root-repellant underground drain-pipe coupling, which may be made of the same resilient rubber-like material as sleeve-type drain-pipe couplings of known art, is made somewhat longer than...
7845373 Insulator apparatus for vacuum insulated tubing  
An insulating apparatus for use with vacuum insulated tubing sting to reduce heat loss through the joints, where the apparatus includes an insulator adapted to surround the joint and a latching...
7686344 Current insulation system for fluid systems  
An electrical insulation system for a linear element forming part of a fluid system subjected to risks of possible external electrical discharges, such as an aircraft fuel system, using an...
7578315 Compound pipe  
A compound pipe for conveying fluid comprising an inner pipe positioned within an outer pipe such that the walls of the inner pipe and outer pipe define a gap. The compound pipe further including...
7530371 Insulator apparatus for vacuum insulated tubing  
An insulating apparatus for use with vacuum insulated tubing sting to reduce heat loss through the joints, where the apparatus includes an insulator adapted to surround the joint and a latching...
7484362 Decoupling hose for a motor vehicle exhaust system  
A method of avoiding damage to a decoupling hose mounted between two tubes of a motor vehicle exhaust system, said hose comprising a deformable inner portion, an outer sealing leakproofing portion...
7431341 Pipe liner connector  
A pipe liner connector suitable for connecting pipe sections that comprise a liner is described. The pipe liner connector comprise vents and/or venting grooves which act to balance the pressure...
7387167 Insulating device and assembly  
There is disclosed an electrically insulating device in the form of a sleeve (12) for a downhole tool, for electrically insulating a first threaded electrically conductive member in the form of an...
7364203 Reinforcement for arched type structure with beveled screwed ends  
An electrical isolation connector subassembly for interconnecting adjacent tubular drill rods of a drilling system used in drilling bore holes in earth formations, the connector comprising an...
7360796 Electrical isolation connector subassembly for use in directional drilling  
An electrical isolation connector subassembly for interconnecting adjacent tubular drill rods of a drilling system used in drilling bore holes in earth formations, the connector comprising an...
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...
7140446 Connector for expandable well screen  
A tubing connection arrangement that includes two expandable tubing sections is disclosed. In one embodiment, each of the tubing sections includes a filter screen sandwiched between inner...
6957831 Nipple for hot water tank conduits  
A nipple for connection to an outer metal casing of a host water heater for coupling a water conduit to an inner casing of the hot water heater is described. The nipple is a hollow tube having...
6926807 Insulated transition spool apparatus  
An insulated transition spool apparatus for mounting unheading devices to pressure vessels, such as coker vessels, and enabling repetitive operation thereof is disclosed. The apparatus comprises...
6880862 Conductive tubular insert for a fuel transport system, and method  
A conductive tubular connector insert for use in a fuel conveying system to couple a first conductive polymeric tubular member to a second conductive polymeric tubular member such that electrical...
6880859 Conduit coupling assembly  
A conduit coupling assembly is provided for interconnecting a pair of fluid conveying members placed in a confronting relationship within the coupling assembly. The coupling assembly includes a...
6758425 Coating-powder spray gun  
A high-voltage powder spray gun includes a rear terminal segment (60) of a powder tube (38) and the front terminal segment (58) of a hookup tube (56) which are inserted far enough in axial and...
6616192 Dielectric pipe joint, particularly for underground pipes  
A dielectric joint for pipes, particularly for underground pipes, comprises a male head of a first pipe which enters a mating and mutually opposite cup-shaped female head of a second pipe; a...
6572152 Subassembly electrical isolation connector for drill rod  
In a subassembly electrical isolation connector for interconnecting sections of a tubular drill rod, the subassembly having an electrically insulated connector for and between spaced-apart...
6457748 Fire-resistant pipe coupling  
A pipe coupling for coupling together two pipes in a fluid-tight manner includes a tubular casing, a tubular sealing gasket located within the casing, and screws for tensioning the casing around...
6450207 Circumferential-weld reinforcing device  
The invention relates to a device reinforcing circumferential welds 8 which join two contiguous pipes 6 and 7 in order to increase the fatigue life of said welds by reducing mechanical stresses in...
6443499 Apparatus for pre-conditioned air hoses and a method of assembling pre-conditioned air hoses  
The present invention provides an apparatus for pre-conditioned air (PCA) hoses and an assembly for a plurality of PCA hoses. The present invention further provides a method of assembling a...
6264871 Field joint  
The method of forming a field joint around the bare joint of two joined insulation covered pipes includes providing a first angular cut back in the coating to expose the end of a pipe and...
6216745 Vacuum insulated pipe  
Prefabricated insulated pipe sections are constructed of an inner pipe surrounded by a concentrically-positioned outer pipe. End portions of the inner and outer pipes are joined with bellow...
5941070 Flexible sealed conduit system  
A fluid conduit system, including silencer systems, including intake and exhaust systems for engines, blowers, compressors, pumps, and the like, includes first (16), second (22), and third (28)...
5842723 Flexible connection arrangement for connecting a pipe of an exhaust system to an engine, especially in a motor vehicle  
A flexible connection arrangement for connecting a pipe of an exhaust system to an engine is provided at one of its axial ends with a fastening flange and at its other axial end with a connection...
5749605 Electrically insulative threaded connection  
An insulative threaded connection is provided for metal tubulars to be placed in wells or for other metal pipe. The connection contains a coating of plastic having a selected thickness which is...
5555734 Method for reducing sediment precipitation on heat exchangers such as water prechillers for ice machines  
This invention relates to a method for exchanging heat between one fluid and another fluid by using a heat exchanger, and circulating at least the one fluid through a fluid flow channel within a...
5406983 Corrosion-resistant composite couplings and tubular connections  
A corrosion-resistant connection for use with tubular members having externally threaded ends. The connection includes a stress-bearing sleeve member having an interior surface and an exterior...
5390962 Flexible joint for exhaust pipe of motor vehicle  
A flexible joint for an exhaust pipe of a motor vehicle which includes: a cylindrical inner layer which consists of a cloth made of ceramic fibers, the inner layer being expansible in an axial...
5346263 Flexible line element with thermal insulation  
A device for connecting pipelines in a flexible gas-tight manner has a bellows provided at each end with a pipe union which can be connected to a pipeline. The device is characterized in that an...
5280965 Form-fitting and material-locking pipe connection, in particular electrically insulating pipe connection  
A pipe connection, in particular an electrically insulating pipe connection, formed by interlocking or interpenetration of material between (a) an overlapping, reinforced plastic sleeve which is...
5269567 Line jointing structure for electrostatic spray coating apparatus  
Disclosed herein is a line jointing structure suitable for use in an electrostatic spray painting apparatus. The line jointing structure is used to connect to a device, an insulating line serving...
5240292 Insulated fittings for flexible air ducts  
An insulated fitting for a flexible air duct wherein the fitting has a collar for dressing the end of the flexible air duct coupled to the fitting. The fitting can be a tee, wherein the collar is...
5222770 Connector for a hydraulic pressure hose  
The invention relates to a connector for a hydraulic pressure hose, said connector comprising a body (7) which includes a first sleeve member (8), to be fitted inside the end of a hydraulic...
5169180 Fluid conducting connector assembly with insulative properties  
A fluid conducting connector for use in water connections particularly water heater connectors. The connector assembly is designed for mating connection to a galvanized nipple for reduction of...
5167430 Automotive exhaust system decoupler with resilient sleeve  
A flexible coupling for connecting an engine manifold to an exhaust pipe to relieve torque. Concentrically spaced flexible tubes, which have insulation filling the annular space between them, are...
5131688 Pipe insulator and method for making same  
An electrically insulated pipe coupling and method is disclosed in which a first sleeve member and a second sleeve member are positioned in axial alignment and include oppositely positioned end...
5114190 Electrically insulated tube union  
An electrically insulated tube union includes a pair of tube fitting assemblies and an electrically non-conductive connector. Each tube fitting assembly has a fitting body, a fitting nut and a...
4900064 Connector for fiber duct systems  
A connector member for coupling flexible cylindrical tubular duct to the wall of a fibrous duct is comprised of a pair of parallel metal strips, the opposed marginal edges of which are connected...
4861631 Flexible connector material  
An improved flexible connector material is comprised of a pair of metal strips between which is mounted a flattened tubular configuration including upper and lower flexible sheets or layers...
4861074 Tubing collar  
A collar for electrically insulating between upper and lower tubing sections in which load bearing insulating materials in the collar are isolated from fluids both interior and exterior the collar.
4824147 Electrically insulated pipe joint  
An electrically insulated pipe joint comprises first and second metal tubular parts each having a flange at one end. The first and second tubular parts are coupled by a metal coupling sleeve...
4807669 Removable flexible pipe insulation  
A removable reusable insulating unit for insulating an exposed section of an insulated pipe system is disclosed. The insulating unit has a hollow body portion with insulating walls for enveloping...
4807910 Sleeve joint and method of producing such a sleeve joint  
A sleeve joint for plastic-sheathed insulated pipes, comprising an oversized joint sleeve of plastic material overlapping the ends of the sheaths of connected pipes with a gap provided between the...
4804210 Double sealed, double wall insulated SPA pipe coupling  
A job site formed double sealed, double wall insulated spa pipe coupling is effected between two axially connected coupling components each having a plastic inner pipe and a concentric plastic...
4798405 Assembly for electrically non-conductively interconnecting tube ends  
Tube ends are received at opposite ends of a bore passage in a block of an electrically non-conductive material. Ferrules encircling the tube ends are compressed to effect a fluid tight seal of...
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