Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8172279 | Method for manufacturing a flanged element and a flanged element A flanged member for a pipe system, and a method of manufacturing same. The flanged member has a radially projecting flange part and a pipe part. The flange part has a front end surface connects to another flange part, and a radially planar rear end surface facing t... | 05/08/2012 |
| 8033581 | Universal attachment flange A universal attachment flange to connect equipment utilized to perform a task to various connection arrangements. A universal attachment flange is provided with a plurality of hole patterns to permit a bolted attachment of the flange to other devices that present va... | 10/11/2011 |
| 7845688 | Multiple material piping component The piping component is comprised in part of a metal housing that is positionable with a metal pipe. The metal housing forms an opening in which a piping component body is inserted. The body of the piping component can be fastened to the metal housing using an epoxy... | 12/07/2010 |
| 7644962 | Universal attachment flange A universal attachment flange to connect equipment utilized to perform a task to various connection arrangements. A universal attachment flange is provided with a plurality of hole patterns to permit a bolted attachment of the flange to other devices that present va... | 01/12/2010 |
| 7562913 | Magmeter flange adapter A flange adapter for interfacing two different diameters of piping is provided. This flange adapter allows for the integration of a component, such as a magmeter, having a narrower diameter into a system. Such a flange adapter allows for a simple seamless weld that ... | 07/21/2009 |
| 7469939 | Muff coupling for vehicle couplers A muff coupling intended for vehicle couplers includes two components formed with ring-shaped flanges, as well as a muff consisting of at least two arch parts tightenable against each other, each having an inner flute formed between two inwardly turned bulges, which... | 12/30/2008 |
| 7467814 | Flange A flange for connecting pipes. The flange includes a fixing flange and a connecting flange and a joint fastening member. Each of the fixing flange and the connecting flange has a bolt facing groove on a peripheral edge of each flange and a nut fixing groove formed a... | 12/23/2008 |
| 7455331 | Doubled-up pipe coupling A multipurpose coupling is made of two pieces incorporating a partitioning washer ring between them. The coupling is provided with a centrally located interlocking, doubled-up mechanical mechanism, comprised of two mechanisms, where each mechanism performs its inten... | 11/25/2008 |
| 7401821 | Hollowed, deformable, raised face bolt-ring A bolt-ring pipe connector system for connecting stub end pipe particularly thermoplastic pipe is shown. The bolt-ring has an outer vertical rim portion, an inner vertical rim portion and an interconnecting web portion provided with spaced bolt holes. The top side o... | 07/22/2008 |
| 7383958 | Desanding apparatus and system A desanding vessel is inserted in a high velocity fluid stream containing entrained particulates. The vessel comprises an upper freeboard portion having a large cross-sectional wherein the fluid stream velocity drops and particulates fall from suspension. Preferably... | 06/10/2008 |
| 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 |
| 7290806 | Assembly fixture An assembly fixture for the separable connection of a first component 1 and a second component 2, the first component 1 having an essentially cylindrical end-face recess 3, with the second component 2 having an essentially cylindri... | 11/06/2007 |
| 7273237 | Union coupler assembly for coolant lines A union coupler assembly for coolant lines comprising a coupler body, a first coolant line end portion, and a second coolant line end portion. The coupler body has a passageway extending between first and second ends, two tapered annular grooves, a snap ring dispose... | 09/25/2007 |
| 7216899 | Alternative method for sealing all-metal vacuum joints A clamping system for high or ultra-high vacuum system components including a clamping member surrounding a flange of the vacuum system component. A bead along the inside diameter of the clamping member engages a groove in the peripheral surface of the flange. When ... | 05/15/2007 |
| 7210912 | Reciprocating piston compressor having improved noise attenuation A reciprocating piston compressor having a suction muffler and a pair of discharge mufflers to attenuate noise created by the primary pumping frequency in the primary pumping pulse. The suction muffler is disposed along a suction tube extending between the motor cap... | 05/01/2007 |
| 7195289 | Fluid distribution system A fluid distribution system comprising a hollow pipe section having at least one bore extending longitudinally therethrough. At least one longitudinal boss extends along the pipe section. An end fitting comprises a body configured to be received in the bore and a sh... | 03/27/2007 |
| 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 |
| 7140824 | Tensioning hydraulic nuts A hydraulic tensioning system for nuts on studbolts has a puller bar and a puller buddy, which are coupled to the studbolt, and a bridge around the nut. The puller bar is internally coupled to the studbolt (and may engage the nut before the tension is applied). The ... | 11/28/2006 |
| 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 |
| 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 |
| 7056053 | Bolting arrangement including a two-piece washer for minimizing bolt bending A two-piece washer to allow tilting movement of the washer elements. One annular washer element includes a convex annular surface that engages with a concave annular surface of a second annular washer element. When the convex and concave surfaces of the respective w... | 06/06/2006 |
| 7037065 | Flange bolt for turbines An arrangement for cooling or heating of a flange bolt for turbines comprises one or more boreholes, that extend through the bolt, and inlet and outlet pipes that are connected to each end of the borehole. A cooling or heating medium such as air, steam or any other ... | 05/02/2006 |
| 6979028 | Pipe joint A pipe joint is made up of a hollow cylindrical joint body made of an elastic material with a prescribed length, a circular flange embedded into each of the ends of the joint body, through holes provided axially at prescribed intervals in the direction of the circum... | 12/27/2005 |
| 6979025 | Joining of lined pipes A metal pipeline section that has a metal flange at one end is lined with a plastic liner such that some of the liner extends beyond the flange end of the pipeline section. An annular plastic member is electrofusion joined onto the outside of the portion of plastic ... | 12/27/2005 |
| 6973724 | Method for making a tubular element and resulting tubular element A method for making a tubular element, in particular a motor vehicle front cross member (1), for forming at least an air conduit (2,3,4) including at least two half-shells (5,6) assembled on two outer longitudinal edges (5a, 6 | 12/13/2005 |
| 6957832 | Elongate member with interconnected rotatable portions An elongate member (10) is provided having a first elongate portion (12), a second elongate portion (14) and an interconnecting joint (16). The interconnecting joint (16) is disposed at an acute angle to the first elongate portion ... | 10/25/2005 |
| 6918619 | Pipe connecting assembly and method of use A pipe coupling assembly includes a first and a second pipe coupling member with the first coupling member including a cylindrical flange and a spherical convex seat portion, and the second coupling member including a cylindrical flange and a spherical concave seat ... | 07/19/2005 |
| 6729660 | Adjustable base unit for angularly adjusting mounting disposition of silo fill tube An adjustable base unit includes a pair of upper and lower frameworks, a connection sleeve attached to the lower framework and having opposite end portions for extending into and providing flow communication through the unit and between an upper fill tube and a lowe... | 05/04/2004 |
| 6722707 | Lapped flange for connecting pipes and method for producing such a lapped flange A loose flange for connecting pipes, the flange having radially inwardly oriented and elastically deformable oblique surfaces. The clamping force capacity of the loose flange is improved as a result. A method for producing the loose flange is also disclosed. ... | 04/20/2004 |
| 6715802 | Apparatus for connecting tubular bodies An apparatus for connecting first and second tubular bodies comprising first and second flange assemblies, each of which has a hub and an annular flange in surrounding relationship to the hub, the hubs and flanges having engageable, complementary frustoconical surfa... | 04/06/2004 |
| 6619702 | Structure of a connection portion of an exhaust pipe for an engine and a method for providing the same An extension portion extending outwardly is integrally formed on the edge of an end portion of an exhaust pipe; a collar is fixed on the outer periphery of the end portion of the exhaust pipe by caulking; and the edge of the outer end of the collar is abu... | 09/16/2003 |
| 6581984 | Corrugated spiral pipe with a coupling device and method for installing the same A corrugated spiral pipe with a coupling device comprises a pipe body 10, a pair of flanges 20, and a pair of binding bands 30. The pipe body 10 has a cylindrical shape and is prepared to have a spirally corrugated shape 11. The pair of the flanges 20 are... | 06/24/2003 |
| 6543818 | Device for assembling axisymmetric components The present invention relates to an axisymmetric structural component, one of the ends of which is fitted with an inner circular flange for assembling, by bolting. The axisymmetric structural component with a second axisymmetric structural component. The ... | 04/08/2003 |
| 6467820 | 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. A set of tabs extends from the base... | 10/22/2002 |
| 6467811 | Flanged connection repair device and method The present invention is a flanged connection repair device and method for flanged pipe joints and the like that produces axial compression against the flanges of the joint so that the flange bolts may be removed and replaced, while simultaneously produci... | 10/22/2002 |
| 6460573 | Companion duct system 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 ... | 10/08/2002 |
| 6454318 | Structure of a connection portion of an exhaust pipe for an engine and a method for providing the same To provide a connection portion of an exhaust pipe for an engine, which is intended to rigidly connect the exhaust pipe to an exhaust port of the engine, to prevent gas leakage by eliminating occurrence of clearance at the connecting portion, to reduce th... | 09/24/2002 |
| 6419279 | Threaded retainer rings for use in pipe flange connections A ball and socket misalignment coupling includes a socket flange, ball member, retaining flange, threaded studs, and threaded retaining rings of limited shear strength. The threaded retaining rings function to permit the coupling to be pre-assembled. When... | 07/16/2002 |
| 6394507 | Apparatus for connecting tubular bodies An apparatus for connecting first and second tubular bodies comprising first and second flange assemblies, each of which has a hub and an annular flange in surrounding relationship to the hub, the hubs and flanges having engageable, complementary frustoco... | 05/28/2002 |
| 6382106 | Skeletal frame for revolving vehicle platform turntable The present invention describes an improved skeletal frame for a revolving vehicle platform turntable. The improved device is used to support a vehicle turntable and easily installed in any location. The skeletal frame includes a cylindrical circular tubu... | 05/07/2002 |
