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| Number | Title | Issue Date |
| 7766396 | Liquid tight coupling for non-metallic conduit A coupling for non-metallic flexible electrical conduit is formed of a one piece lightweight molded thermoplastic cylindrical sleeve having a pair of threads extending inwardly toward opposite ends. Spaced axially inwardly from the inner end of each thread is an ann... | 08/03/2010 |
| 7708321 | Pipe-connector molded part for pre-insulated pipe conduits A pipe-connector molded part for pre-insulated pipe conduits consisting of plastic, whereby the pipe conduit is pre-insulated with polyurethane foam and the pipe-connector molded part is positioned so that it can be connected to the internal wall of the pipe conduit... | 05/04/2010 |
| 7648179 | Connector having offset radius grooves A connector which joins two opposing sections of coil tubing or coil tubing to coil tubing tools so as to enable torque applied from one section to be transmitted to the other section is provided. The connector employs varying width and depth grooves into which port... | 01/19/2010 |
| 7416395 | Sleeve for coupling a refrigerant pipe to a compressor container A sleeve connecting a refrigerant pipe to a sealed compressor container has a reduced outer dimension and an inner step that accommodates the refrigerant pipe. An end of the refrigerant pipe abuts the inner step to accurately locate the refrigerant pipe to permit th... | 08/26/2008 |
| 7410192 | Ribbed pipe clamp with sealing sleeve A pipe coupler for use in connecting a pair of automotive exhaust pipe ends each having a circumferential rib. The pipe coupler includes a ribbed band and internal split sealing sleeve along with a tightening mechanism for clamping the band and sleeve over the pipe ... | 08/12/2008 |
| 7404686 | Snap fitting for joining component parts of an article of assembly A snap-fit arrangement for joining component parts, such as tubular sections and fittings includes a male coupling and a female coupling. A portion of the male coupling extends from one component part and includes cantilever prongs with enlarged heads. The exposed p... | 07/29/2008 |
| 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 |
| 7338095 | Plastic heating duct connectors A connector for connecting a terminal end of a heating duct to a heating duct board, the connector including an annular cylindrical portion with an outer surface and a maximum outer diameter and a flange extending radially outwardly from the outer surface of the ann... | 03/04/2008 |
| 7331613 | Medical tubing connector assembly incorporating strain relief sleeve A connector assembly for interconnecting separate sections of tubing, e.g., medical tubing. Connector assemblies are a two-piece construction having a connector pin and a connector sleeve. The connector sleeve includes a first end, a second end, and a passageway ext... | 02/19/2008 |
| 7150328 | Method for interconnecting adjacent expandable pipes The present invention relates to a method for interconnecting adjacent expandable pipes by Laser Beam Welding (LBW). ... | 12/19/2006 |
| 7108616 | Lacrosse stick with replaceable modular handle section A lacrosse stick with replaceable modular handle sections includes a sectional handle, an interlocking mechanism for the sectional handle, and a head. The sectional handle includes an upper elongate section having both a top end and a locking bottom end and a lower ... | 09/19/2006 |
| 7104104 | 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... | 09/12/2006 |
| 7104574 | Corrugated pipe connection joint A corrugated pipe connection joint structure and method for connecting two sections of corrugated pipe. The joint structure includes opposing bell-formed ends with reduced corrugations, a connector insert including a gasket on either end and a push-ring. The gasket(... | 09/12/2006 |
| 7070356 | Multipart plug-type connector A plug-in connector for hollow sections of spacer frames for insulating glass panes with two connector parts which can be plugged together. The connector parts have one of an essentially U-shaped and box-shaped cross section. The connector parts include side walls w... | 07/04/2006 |
| 7004669 | Internal V-band clamp A system for clamping two tubular members together in an end-to-end relationship uses a split ring with a V-shaped outer rim that can engage a clamping surface on each member. The split ring has a relaxed closed state where the ends of the ring are adjacent and the ... | 02/28/2006 |
| 7004513 | Pipe coupling methods A pipe coupling method includes an inlet insert, a clamping ring, a clamp and the forming of a flange on an end of two adjacent pipes. A clamping ring includes an inner groove sized to receive the flanges of the two adjacent pipes. A first end of the inlet insert is... | 02/28/2006 |
| 6910720 | Connector for use in combining the contents of a pair of containers A connector useful for combining the contents of a pair of containers which includes a hollow body for passing fluids between the containers. The body includes top and bottom end portions dimensioned to receive open-ended containers in an interference fit. The top e... | 06/28/2005 |
| 6783160 | Plastic-lined metal-encased tubing segment connector system The invention relates generally to a solderless metallic-encased, polymeric-lined connector system. ... | 08/31/2004 |
| 6769721 | Molded plastics tubular couplings A molded plastic tubular coupling including a plastic sleeve having an integral head at one end. The sleeve provides a cylindrical outer surface to engage in a corresponding bore of another component. The cylindrical outer surface has an encircling annular recess an... | 08/03/2004 |
| 6692039 | Internal conduit sealing installation A sealing installation mountable in the interior of a conduit. The installation includes a resilient connector sleeve having connector sealing assemblies at opposite ends of the sleeve. A first seal sleeve has seal sleeve sealing assemblies on opposite en... | 02/17/2004 |
| 6648375 | Pilot insert seal for a tube fitting A cylindrical thin walled tube with a through bore extending its entire axial length between first and second opposed ends is individually mounted in a bore in a fitting, with an end portion of the tube extending outward from a land surface on the fitting... | 11/18/2003 |
| 6581978 | Connector tube for a turbine rotor cooling circuit A tubular connector adapted to extend between two tubular components comprising a tubular body having an internal diameter, a first free end including an annular radial flange having a tapered surface adapted to engage a complementary seating surface on a... | 06/24/2003 |
| 6173996 | Compliant joint with a coupling member for interfacing dissimilar metals in X-ray tubes A method is used for interfacing materials of dissimilar thermal expansion in an X-ray tube. Initially, a first joint is identified, which has a first component to be received into a second component. Typically, the first component has a higher coefficien... | 01/16/2001 |
| 6126206 | Internal conduit sealing member and band The present invention provides an internal conduit seal for conduits and pipes having an elongated elastomeric seal with first and second seal segments adjacent to the edges of the seal. The sealing segments are made up of a plurality of sealing ribs and ... | 10/03/2000 |
| 6027147 | Internal flexible dust seal An internal flexible dust seal for connecting and accomodating misalignment, expansion, contraction, and torsion between openings of adjacent ducts carrying dust and particulate laden hot gases. The internal flexible dust seal can undergo lateral, axial, ... | 02/22/2000 |
| 6024056 | Cooling water passage structure in water cooled type V-shaped internal combustion engine A cooling water passage structure for connecting cooling water passages in cylinders forming a V-shape in a water cooled type V-shaped internal combustion engine. A front cooling water passage of a front cylinder communicates with a front cooling water pa... | 02/15/2000 |
| 5971438 | Mobile vehicle sewage removal system A sewage removal system 10 is provided for quickly, securely and sanitarily connecting the onboard holding tank H of a typical recreational vehicle or travel trailer to an in-ground stationary waste disposal site S. The system 10 includes two hoses 20, 21... | 10/26/1999 |
| 5944359 | Flangeless piping system for lined pipe An apparatus for joining at least one longitudinal end of a pipe to a member having a longitudinally extending aperture therethrough includes a unitary, one-piece, elongated body with structure responsive to a crimping operation for lockingly and sealingl... | 08/31/1999 |
| 5935434 | In-line pipe coupling and fluid strainer apparatus A strainer apparatus capable of being installed within an Acme type coupling of the kind used in a pipe connecting a transport gas tank to a gas storage tank comprises a perforated disc and a retainer ring. The outer surface of the retainer ring has a smo... | 08/10/1999 |
| 5921590 | Flexible swivel coupling for underground sprinkler systems A flexible swivel coupling includes a a first elbow, a second elbow, and a flexible nipple connected between the two elbows. The first and second elbows are threaded on the interior surface of at least one of the legs of each elbow, and the flexible nippl... | 07/13/1999 |
| 5909904 | Flange joint assemblies The invention relates to a flange joint assembly for connecting together cylindrical duct sections. A tubular slip collar fits within opposing sections which engage an exterior projecting bead encircling the exterior of the slip collar. Opposing flange cl... | 06/08/1999 |
| 5797627 | Swivel A tubing end-piece interconnects a free end of a piece of tubing and a tubing connector or fitting so that a fluid can flow between the tubing and the fitting or connector. The tubing end-piece includes a body member extending along a longitudinal axis wi... | 08/25/1998 |
| 5769459 | Inside sealing device sleeve for insertion of pipes An inside sealing sleeve 1 comprised of an expandable steel band for insertion in leaking pipes in need of repair is provided with an arresting arrangement 4 which permits very small detent steps. For this purpose, the internal band end 2 is provided with... | 06/23/1998 |
| 5713608 | Joint for connecting lamp pipes A hollow joint connects an upper lamp pipe and a lower lamp pipe. The hollow joint has a lower flange disposed on a lower rim of the hollow joint, an upper flange disposed on an upper rim of the hollow joint, a middle flange disposed on a middle portion o... | 02/03/1998 |
| 5685345 | Reinforcing structure for conduit; and method Air conduit construction is provided. The construction generally comprises a conduit section having an open end; and, a support member positioned inside of the conduit section open end. In preferred arrangements, the conduit construction has two open ends... | 11/11/1997 |
| 5685572 | Fitting and pipe joint using the fitting The invention provides a joint 80 for two steel pipes 50, 52 each containing a liner 54, 56 of polyethylene. The invention also provides an electrofusion fitting for joining the liners 54, 56; a method of making the fitting and a method of making the join... | 11/11/1997 |
| 5671954 | Swivel connector for nozzle and garden hose A swivel connector for connecting a garden hose with a water receiving device including an inner ring seal member having a central tubular portion and a first and second seal flange extending from either peripheral end of the central portion, each of the ... | 09/30/1997 |
| 5667252 | Internal sleeve with a plurality of lands and teeth A repair sleeve for installation in a parent tube by a sleeve expander of the type operable between an expanded state and an unexpanded state. The sleeve includes an elongated sleeve member having an outer wall and a bore sized and configured to receive t... | 09/16/1997 |
| 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 |
| 5573280 | Tubing end-piece and connector A tubing end-piece interconnects a free end of a piece of tubing and a tubing connector or fitting so that a fluid can flow between the tubing and the fitting or connector. The tubing end-piece includes a body member extending along a longitudinal axis wi... | 11/12/1996 |
