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| Number | Title | Issue Date |
| 8151461 | Method for producing a threaded tubular connection sealed by radial expansion To produce a sealing contact between male and female threaded elements, a contact zone is provided, located between male and female threading portions separated from each other in an axial direction. The male and female elements have respective cylindrical portions ... | 04/10/2012 |
| 7921560 | Method of forming a large diameter extruded pipe A self-aligning flange includes a flange member, a collar member and a stop member. An inner perimeter of the collar member is sized to receive an outer perimeter of a pipe. The flange member extends outward from an outer perimeter of the collar member. The stop mem... | 04/12/2011 |
| 7743504 | Rectangular and square ducting systems A duct structure (50), includes lengths of square/rectangular duct (52) manufactured by pre-forming the duct in round cross-section (51) and then transforming the round cross-section into square and rectangular cross-sections utilizing expandabl... | 06/29/2010 |
| 7475476 | Method for producing a threaded tubular connection sealed to the outside In a threaded connection with tapered male and female threads, an annular housing is provided in the vicinity of the free end of the female element, which housing receives a portion of a deformable sealing ring, which is radially compressed, while a retaining lip of... | 01/13/2009 |
| 7426784 | Compact fire sprinkler attachment insert The invention satisfies this need. The invention is an internally threaded insert for use with a polymetric pipe fitting in a fire sprinkler system. The insert comprises an outer side surface, an outer rearward surface and an outer forward surface. The outer forward... | 09/23/2008 |
| 7421784 | Method of manufacturing a water heater with a leak detection system An original equipment manufacturer water heater including a water tank including an inlet and an outlet, means for heating water in the water tank, a base pan at least partially supporting the water tank such that water leaked from the water tank collects in the bas... | 09/09/2008 |
| 7357186 | Recirculation gas separator A submersible pumping system includes a pump, a motor that drives the pump and a separator assembly. The separator assembly is for separating gas from the fluid and includes an intake and a vent above the intake. Fluid enters the separator assembly at the intake and... | 04/15/2008 |
| 7350828 | Tube fitting with sealant A tube fitting (50) that uses two basic components, namely a fitting body (54) and a fitting nut (52). The nut (52) and body (54) are adapted to be threadably coupled together by relative rotation therebetween. The nut (52) ... | 04/01/2008 |
| 7347459 | Coupling for drilling-with-casing operations A modified API Buttress threaded casing connection is disclosed for use in drilling oil and gas wells in lieu of using conventional drill pipe. The coupling threads only are multiple tapered yet can be mated with standard API Buttress pin threads having a single tap... | 03/25/2008 |
| 7347454 | Hose/clamp assembly with removable retaining device A hose/clamp assembly is provided that has a hose, a hose clamp, and a retaining device. The hose clamp is openable and closable. The retaining device has an arm, a clamp retainer attached to a first end of the arm, and a hose clip attached to a second end of the ar... | 03/25/2008 |
| 7328920 | Flexible corrugated hose assembly and connecting process For connecting flexible corrugated hoses, which are not provided with fittings, for transporting preferably gaseous media in connection with high-pressure applications, a holder 3 is provided, which receives an exposed end of the corrugated pipe 6 of t... | 02/12/2008 |
| 7322616 | Tubing connecting device A tubing connecting device for a fluid carrying tube having a flat portion with an aperture therethrough includes a coupling body having a first port and a second port that are in fluid communication, a planar surface on the coupling body, surrounding the first port... | 01/29/2008 |
| 7310877 | Method of producing sensors for monitoring corrosion of heat-exchanger tubes The present invention relates to a method of producing the sensors for monitoring corrosion of heat exchanger tubes in a thermal power plant. The sensor is made of the tubes taken out from actual heat-exchanger. As a result, the sensor not only has the same material... | 12/25/2007 |
| 7299597 | Construction clip A clip for securing metal plates in walls constructed using masonry blocks. The clip includes a plate portion and a block portion. The block portion has members that form an opening that fits over a member of a masonry block. The plate portion also has members that ... | 11/27/2007 |
| 7264418 | Modular slotted drain assembly A modular slotted drain assembly having a slotted drainpipe, one or more base drain members positioned in communication with the slot of the drainpipe, and one or more reducer drain members stacked atop the base drain members. The reducer drain members have non-para... | 09/04/2007 |
| 7246826 | Pipe lap joint with improved sealing slot for increased circumferential closure A pipe lap joint for use with vehicle exhaust systems which includes an inside pipe end telescopically inserted into an outside pipe end with the pipe ends secured together by a band clamp. The outside pipe end includes a sealing zone having a collapsible sealing sl... | 07/24/2007 |
| 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 |
| 7243409 | Weldable conduit method of forming A composite conduit suitable for transporting corrosive and/or erosive fluids including gases, liquids or slurries, is formed by positioning a tube formed of a material having desirable corrosion and/or erosion resistant properties within a pipe formed of a commonly... | 07/17/2007 |
| 7240928 | Tubing connection arrangement A tubing connection arrangement and a method used for coupling expandable tubing sections together. In one embodiment, there is disclosed a tubing connection arrangement comprising a first expandable tubing section defining a male portion; a second expandable tubing... | 07/10/2007 |
| 7234222 | Methods and apparatus for optimizing the delivery of a set of gases in a plasma processing system A method for configuring a gas distribution channel, the gas distribution channel being configured for introducing a plasma source gas into a plasma processing chamber of a plasma processing system is disclosed. The method includes providing a metal conduit, providi... | 06/26/2007 |
| 7231716 | Method of making a thin wall nozzle A novel method of making a nozzle by forcing a malleable metallic disk into a series of cavities in progression using punches to draw down a formed section so metal can be pulled into the shape of the next cavity in the series. Each cavity differs in size and shape,... | 06/19/2007 |
| 7222885 | Drain seal for vehicle drain tube A drain seal for connecting a drain tube to a support structure includes a molded unitary body having first and second moldingly joined portions, each formed of dissimilar durometer materials. The first portion is formed to sealingly join the body to a drain tube. T... | 05/29/2007 |
| 7172142 | Nozzles, and components thereof and methods for making the same Various nozzles, components of nozzles, and methods, materials and devices for making them are disclosed. ... | 02/06/2007 |
| 7172696 | Radial dispersion mass transfer device having a semi-permeable tubular hollow fiber membrane wound around a porous core A mass transfer device having a fluid permeable core wound with many stands of a hollow fiber. A bulk fluid enters the interior of the core, passes through the side wall of the core, and along the outer surfaces of the hollow fibers. A baffle positioned in the cente... | 02/06/2007 |
| 7152321 | Method of producing a gas generator housing part, gas generator including such housing part and gas bag module A gas generator housing part is produced of a thin-walled tube having a wall thickness which amounts to a maximum of 10% of a tube external diameter and a minimum tensile strength which amounts to at least approximately 800 N/mm2, and a connecting piece h... | 12/26/2006 |
| 7152885 | Connection structure of multi-channel tube with branching tube and connection method therefor A connection structure of a multi-channel tube with branching tubes is provided with a multi-channel tube having an end, the multi-channel tube including; an outer tube; a partition being formed in a unitary body and running parallel with the outer tube, the partiti... | 12/26/2006 |
| 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 |
| 7144048 | Composite marine riser A composite marine riser may be formed, in one embodiment, of a pair of threaded metallic sections having threaded external surfaces. The threaded external surfaces may taper from a larger to a smaller diameter. The composite material may be formed over the threaded... | 12/05/2006 |
| 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 |
| 7127924 | Double action punch assembly for hydroforming die A double action punch assembly for a hydroforming die includes a first punch segment having an aperture extending therethrough. The double action punch assembly also includes a movable mounting block disposed in the aperture of the first punch segment. The double ac... | 10/31/2006 |
| 7108296 | Fluid quick connector for threaded fluid components A fluid quick connector is mountable onto the threads of a threaded fluid component in a sealed fluid connection. A retainer element carried by the fluid quick connector is engagable with the threads on the second fluid component. In one aspect, the retainer element... | 09/19/2006 |
| 7108281 | Stored gas inflator with fill valve assembly An inflator (12) includes structure (40, 50, 82) defining a chamber (130). First and second passages (92 and 116) extend through the structure (40, 50, 82). A burst disk (120) closes the first passage (116). A ... | 09/19/2006 |
| 7104573 | Energized restraining gasket for mechanical joints of pipes A gasket for converting a standard mechanical joint into a restrained mechanical joint without the need for altered configuration of the bell, spigot, or gland of the joint, and without the need for additional fittings or devices. In the practice of the present inve... | 09/12/2006 |
| 7096585 | Apparatus and method for automated production of adjustable duct member An apparatus and method for forming a duct member having a plurality of adjustable sections which are rotatable relative to one another. The apparatus and method causes relative rotation between individual sections during the manufacturing process, to form a complet... | 08/29/2006 |
| 7093858 | Tracer wire snap clamp A clamp for attaching a pipeline tracer wire to a pipeline riser has an elongated riser grip which is resiliently flexible to snap onto the riser. An elongated conduit with a V-shaped groove extends integrally along the outer wall of the riser grip. The conduit rece... | 08/22/2006 |
| 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 |
| 7073240 | Duct joint layout tool A layout tool and a means for using the tool to fabricate multi-segment elbows and offset joints from rectangular cross-section fibrous air ductboard material. The tool has a triangular main body having at least one structural feature that defines a plane. At least ... | 07/11/2006 |
| 7055864 | Pneumatic coupling A pneumatic coupling is provided. The pneumatic coupling is configured to couple a plurality of pneumatic lines together. According to the preferred embodiment of the present disclosure, the pneumatic coupling includes first and second housings and a plurality of fi... | 06/06/2006 |
| 7055869 | False insertion protection top hat for fluid quick connectors A fluid quick connector includes a housing which sealingly receives a tubular endform latched in the housing by a movable retainer. An axially slidable top hat is mounted in the bore in the housing and has axially extending posts with ends disposed in the path of mo... | 06/06/2006 |
| 7047615 | Forming gas turbine transition duct bodies without longitudinal welds A method of making combustion turbine transition duct bodies without longitudinal welds by hydroforming two duct bodies back to back with bellows thrusters secured to the duct body open ends. This enables the manufacturing of duct bodies with detailed features and h... | 05/23/2006 |
