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| Number | Title | Issue Date |
| 7744134 | Connecting insulated duct A connector assembly is used in connecting one duct section to another, at least one of the duct sections being an insulated duct. The assembly comprises a plurality of first elements, and a plurality of second elements, each first element including attachment means... | 06/29/2010 |
| 7458618 | Fixed flange spray deflector A spray deflecting joint of fluid conveying structures has a spray obstructing structure lying in the path of any fluid that might spray from the joint in any direction within a range of directions, wherein the spray obstructing structure is permanently attached to ... | 12/02/2008 |
| 7431350 | Flange assembly A flange assembly is disclosed. The assembly includes a tubular structure having a passageway and comprising a fiber reinforced plastic material, and a flange structure comprising an aperture coupled to the tubular structure using an attachment element. ... | 10/07/2008 |
| 7390375 | Method and a device for connecting a plastic conduit and a plastic socket A method and a device for connecting a plastic line part in a plastic socket. A head end (9) of the line part (6) is heated contactlessly all the way round until the end curls over to a diameter that is greater than the inside diameter of the socket ( | 06/24/2008 |
| 7360622 | Differential mounting structure A differential mounting structure includes a pipe into which a bushing coupled to the differential is forcibly inserted. The pipe is inserted into a through hole of a cross member and is fixedly attached at one end thereof to a flange. Coupling bolts penetrating the... | 04/22/2008 |
| 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 |
| 7302972 | Thermo-insulated flexible tubing A water supply line includes a cylindrical and ductile outer tube that has a centrally aligned axis. An inner tube is concentrically spaced about the axis of the outer tube and has a length coextensively sized therewith. The inner tube is equidistantly spaced inward... | 12/04/2007 |
| 7234734 | Integral transverse flanges for a duct connecting system An integral transverse flange for a duct includes a first upturned portion extending substantially perpendicularly from a duct wall of the duct. The flange further includes a second portion bent rearwardly from the first upturned portion, and a third return portion ... | 06/26/2007 |
| 7216898 | Flanged connector for HVAC ducting Flanged rings for the connection end-to-end of thin, double walled circular ducting includes a first generally-circularly shaped ring having an outer insertion flange for connection to the outer wall of the double-walled duct. The first ring also includes: an exteri... | 05/15/2007 |
| 7213576 | High pressure fuel injection tube and method of forming the same A high pressure fuel injection tube includes a connection head with a seat face in a spherical shape. A ring-like flange is spaced from the seat face in an axial direction. A conical portion is formed in the interval between the ring-like flange and the seat face. A... | 05/08/2007 |
| 7209047 | Monitoring coupling status with process lockout feedback A monitoring system includes a porthole in a tank or conduit that includes threads on an end thereof. A piece of processing equipment is mounted within the porthole by a threaded coupling collar. The threads of the coupling collar engage the threads of the porthole.... | 04/24/2007 |
| 7195112 | Clutch cover mechanism A clutch lockout includes posts to receive bolts to retain the lockout to a clutch boss and retaining screw holes to retain lockout fingers mounted on the lockout. At least one indent in each post accommodates the retaining screw holes. ... | 03/27/2007 |
| 7195290 | Apparatus for a fire-rated duct A duct system comprising duct sections which are factory manufactured and field modifiable. The field modifiable duct system comprises fire resistant materials and is fire-rated. The duct sections when assembled create a continuous conduit that allows air to flow fr... | 03/27/2007 |
| 7163030 | Rectangular and square double wall ducting systems A duct structure (510), includes lengths of double wall square/rectangular duct (532) manufactured by pre-forming the duct in round cross-section (51) and then transforming the round cross-section into square and rectangular cross-sections utili... | 01/16/2007 |
| 7111876 | Flange A split flange is provided. The split flange may be capable of being fitted firmly around the pipe having a flexible pipe body and a flared portion formed at an end portion of the pipe body. The split flange is provided with two or more arcuate flange members and tw... | 09/26/2006 |
| 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 |
| 7073826 | Butt joint between two pipe segments of sheet metal and process for manufacture thereof Butt joint between two pipe segments (10) of sheet metal with circular or oval cross-section, which respectively exhibit on one end a connecting flange (32), formed one-piece with the adjacent pipe wall (12), for producing the butt joint with an... | 07/11/2006 |
| 7029037 | Apparatus for connecting and sealing duct sections An apparatus (10) for connecting and sealing duct sections is adapted for connecting and sealing round ducts (100), round oval ducts (200), and other commonly used ducts. The apparatus includes first and second connectors. Each connector include... | 04/18/2006 |
| 7021879 | Anchorage fixed at corner part of wood The anchorage used at a corner part of woods includes a first anchorage including a first anchorage body; nails, punching on a long side plate of the first anchorage body; and nail insertion holes formed at the short side plate of the first anchorage body; and a sec... | 04/04/2006 |
| 7018127 | Connector for joining two lengths of sheet metal ducting together end-to-end and the two pieces of sheet metal A connector for joining two pieces of sheet metal together end-to-end. A second wall and a first wall define a first channel therebetween, into which a ledge extends, and which lockingly receives one piece of sheet metal, by virtue of at least one reverse button loc... | 03/28/2006 |
| 7004512 | Indented apex V-retainer coupling with cushion A pipe coupling includes a first lateral wall, a second lateral wall and an apex wall spanning and connecting the first lateral wall to the second lateral wall. The apex wall includes an outer surface and an inner surface. A gasket is disposed on the inner surface o... | 02/28/2006 |
| 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 an outer housing, an inner housing that encloses an insulating space be... | 08/09/2005 |
| 6905141 | Glass elements with a conductive coating, the use thereof, as well as devices, installations and pipe conducts produced therefrom Glass modules for use in the assembly of equipment, installations and for pipe works, the surfaces of which are entirely or partially coated with a conductive coating, in particular from transparent conductive polymers for the purpose of reducing surface resistance,... | 06/14/2005 |
| 6810570 | Method of attaching a connector element to a duct flange A duct assembly for transporting pressurized fluid therethrough. The assembly includes first and second duct sections. Each of the duct sections has sides extending between opposite ends. Each of the sides join an adjacent side and has a flange extending laterally o... | 11/02/2004 |
| 6767036 | Gas tight housing joint using an interference fit with adhesive A method and arrangement is provided to form a gas-tight joint between two housing portions, e.g. between an end flange and a tubular pole-unit housing for a circuit interrupter or an insulating support column. The joint is formed via a heat-shrink process to provid... | 07/27/2004 |
| 6758502 | Coupling ring for ventilation ducts, and method of connecting ventilation ducts A flanged coupling ring for a duct element has a mounting section configured to be mounted or a connection portion of the duct element, and flange means extending outwards from the mounting section. The flange means has, along its periphery, flanged coupling portion... | 07/06/2004 |
| 6742816 | Pipe flange and piping system A threaded pipe flange and piping system utilizing the same. The threaded pipe flange includes a base portion having a predetermined shape and at least two openings dimensioned to accept at least two mounting bolts. A shoulder portion extends from, and is integral t... | 06/01/2004 |
| 6715798 | High-pressure fluid-flow system having compact two-bolt and four-bolt flanged and modular connectors A one-piece, flanged, fluid-flow connector for connecting tube, pipe, hose or the like to a port face includes a base having a flat port face on one end, and a connection piece fixed to and extending from the other end. At least four tabs extend from the base, the t... | 04/06/2004 |
| 6672630 | Flange for connection between an axial compressor and high-pressure rotor disc unit in a gas turbine A flange (20) for connection between an axial compressor and high-pressure rotor disc unit (14) in a gas turbine (10), wherein the flange (20) has a body (22) with a frusto-conical shape which is joined to a shaft (12) of the axial compressor by means of ... | 01/06/2004 |
| 6629521 | Oxygen sensor and feedback system for outboard motor engine An outboard motor includes a sensor assembly having a housing with a sensor chamber, a sensor having a sensor element exposed to the sensor chamber, and a sleeve disposed in a passage extending from a combustion chamber of the outboard motor to the sensor... | 10/07/2003 |
| 6561553 | Angle plate fastening method and apparatus for air duct flange connectors A method and apparatus secure together a pair of opposing angle plates which are each mounted on one of an opposing pair of flange connectors that are each attached to the end of a different one of the opposing ends of a pair of sheet metal ducts. The app... | 05/13/2003 |
| 6547287 | Duct connecting system having integral transverse flanges The invention relates to an improved system for connecting the ends of sheet metal ducts wherein each duct end is provided with an integral frame. Corner connectors defining perpendicularly extending arms are associated with each frame, and bolts or other... | 04/15/2003 |
| 6540266 | Spin forming a tubular workpiece to form a radial flange on a tubular flange and a thick rim on the radial flange A cylindrical workpiece (20) is mounted onto and connected to a mandrel (14) that is itself mounted for rotation about a vertical axis (12). A first end portion of the workpiece (20) is housed within the mandrel (14). A second end portion-projects axially... | 04/01/2003 |
| 6494503 | Pipe joint assembly and method for using same The present invention relates to a method for sealing an end of a pipe, to an external sealing surface. The method includes providing a pipe assembly which includes a pipe and a flange. The pipe includes a proximal pipe end and a flared end region. The fl... | 12/17/2002 |
| 6475625 | Plastic parts joining structure In a structure for joining a first plastic part and a second plastic part, the first plastic part is composed of at least one resin such as polyamide (PA), polybutylene terephthalate (PBT), polyacetal (POM), polyethylene terephthalate (PET), or polyphenyl... | 11/05/2002 |
| 6471256 | Companion duct flanges A duct assembly made from multiple duct sections for transporting pressurized fluid therethrough which can be formed simply by laborers at a building site or elsewhere and has a strong joint resistant to leakage. The joint rigidizes each duct section and ... | 10/29/2002 |
| 6454317 | Versatile end plate converter design using powder metal A solid plate of material has an outer side and an inner side. A hole is disposed in and through the solid plate, the hole being capable of receiving from the outer side one end of an exhaust pipe. The inner side of the solid plate has a collar capable of... | 09/24/2002 |
| 6428056 | Method and apparatus for stacking ankle plates to permit free, sliding, lateral displacement of plates A method and apparatus shapes and dimensions the flanges of angle plates to ensure that the plates can be stacked without nesting.... | 08/06/2002 |
| 6364374 | Methods and devices for joining panels Methods and devices for joining two or more panels together are provided. The methods allow joining of panels of material such as glass fiber board, and are particularly useful for forming ducts or tubes. Fasteners provided have two planar members, joined... | 04/02/2002 |
| 6361080 | Method for attaching an ANSI stub-end flanged connector to a composite tubular member A method is disclosed for coupling a stub end flanged connector to a fiber reinforced plastic pipe. The method includes tapering an end of the fiber reinforced plastic pipe on the outside surface of its fiber overwrap. An inside surface of a stub end conn... | 03/26/2002 |
