Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8042842 | Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s) A tubular joint, with a first male tubular element, with a male thread, a first annular lip, with a first axial abutting surface, a first internal surface, a section of a first external surface, a second abutting surface and a second female tubular element, with a f... | 10/25/2011 |
| 8011698 | Sealed tubular joint with plastic expansion and at least one inclined surface A tubular joint in which radial expansion caused by the passage of an expander, inclined shoulder fittings formed respectively on a peripheral surface of the female element facing radially inwards and on a peripheral surface of the male element facing radially outwa... | 09/06/2011 |
| 7931311 | Sealed tubular joint comprising local and initial added thickness(es) by means of plastic expansion An expandable tubular joint including a male element with a male thread, a first annular lip having a first axially abutting surface, a first inner surface and a first outer surface, and a second abutting surface; and a female element with a female thread, a second ... | 04/26/2011 |
| 7699361 | Sealed tubular joint with plastic expansion and at least one inclined surface A tubular joint in which radial expansion caused by the passage of an expander, inclined shoulder fittings formed respectively on a peripheral surface of the female element facing radially inwards and on a peripheral surface of the male element facing radially outwa... | 04/20/2010 |
| 7621570 | Pre-expanded connector for expandable downhole tubulars A method and apparatus for providing an expandable threaded connection between segments of expandable tubulars. Threaded connections are machined into pre-expanded ends of tubulars. Once the threaded connections are machined into the pre-expanded ends, two joints of... | 11/24/2009 |
| 7490870 | Hydraulic flange connection A hydraulic flange connection having a formed tube in physical conjointness with a contoured sleeve member, the conjointness including the sleeve member having a cylindrical body bore, a cylindrical outer portion tapering at one axial end into a frustoconical portio... | 02/17/2009 |
| 7478844 | Pre-expanded connector for expandable downhole tubulars A method and apparatus for providing an expandable threaded connection between segments of expandable tubulars. Threaded connections are machined into pre-expanded ends of tubulars. Once the threaded connections are machined into the pre-expanded ends, two joints of... | 01/20/2009 |
| 7437815 | Systems adapted to cooperate with an aperture forming tool and methods Systems and methods are provided wherein a tube insert is at least partially disposed within the end portion of a tube. An alignment fixture can be used to assist in forming an aperture through the wall of the tube at a predetermined location that is aligned with at... | 10/21/2008 |
| 7419193 | Tubing connector A method of coupling first and second expandable tubulars comprises providing a male tubular connector portion and a female tubular connection portion having greater yield strength, coupling the connector portions together, and expanding the coupled connector portio... | 09/02/2008 |
| 7380839 | Sealing expandable tubing Expandable tubing and methods seal a connection between expandable tubulars, and in particular, seal a connection between expandable tubulars post-expansion. In one embodiment, a method includes sealing a connection between expandable tubulars in the form of section... | 06/03/2008 |
| 7380840 | Expandable threaded connection Tubular connections and methods of designing tubular connections having selected root/crest clearance when the box member and pin member are made-up. When the tubular connection is radially expanded, a thread seal is formed over at least part of the tubular connecti... | 06/03/2008 |
| 7347224 | Supply and exhaust pipe In order to provide a supply and exhaust pipe comprising a drop-off prevention mechanism, particularly effective for pipes with a large diameter, to increase bending strength and sealing efficiency, formation of a hemmed section A at an top edge of an insert portion... | 03/25/2008 |
| 7240728 | Expandable tubulars with a radial passage and wall portions with different wall thicknesses A tubular liner including a first tubular portion, a second tubular portion, and an intermediate tapered tubular portion coupled to, and positioned between, the first and second tubular portions. ... | 07/10/2007 |
| 7134698 | Sealing device for a high-pressure sealing of line junctions A sealing device (1) for a high-pressure sealing of line junctions comprises a cutting edge (2) and a protective edge (3). The cutting edge (2) permits a sealing of the line junction by means of plastic deformation. The protective edge ( | 11/14/2006 |
| 7076854 | Method for the production of a shaft-hub connection A toothed or splined shaft having an external toothing is pushed with clearance into an internal toothing of a hub, tooth to space, and the external toothing of the shaft is pressed together with the internal toothing of the hub. In the push-in position of the shaft... | 07/18/2006 |
| 7044221 | Apparatus for coupling a tubular member to a preexisting structure An apparatus for coupling a tubular member to a preexisting structure. ... | 05/16/2006 |
| 7040396 | Apparatus for releasably coupling two elements An apparatus for coupling two elements including an outer tubular member defining one or more outer tubular member slots, an inner tubular member defining one or more inner tubular member slots positioned within the outer tubular member, and a coupling assembly for ... | 05/09/2006 |
| 7032933 | Pipe connecting device A pipe connecting device designed for detachable, sealing assembly of two pipe ends which device consists of an outer part and an inner part inserted axially into the outer part and cooperating therewith for internal connection to the first pipe end. The cooperating... | 04/25/2006 |
| 7025135 | Thread integrity feature for expandable connections A wellbore expandable connection, which includes a tubular pin member having an outwardly facing tapered threaded section and a tubular box member having an inwardly facing tapered threaded section. The threaded sections form a connection of a predetermined integrit... | 04/11/2006 |
| 6966370 | Apparatus for actuating an annular piston An apparatus comprising a first tubular member; a second tubular member positioned within and coupled to the first tubular member; a first annular piston chamber defined by the space between the first and second tubular members; an annular piston movably coupled to ... | 11/22/2005 |
| 6907652 | Pipe connecting method A method of connecting a first pipe to a second pipe having an end part fitting into an end part of the first pipe, comprising arranging the end part of the second pipe within the end part of the first pipe, arranging a sleeve of a deformable material between said e... | 06/21/2005 |
| 6877779 | Conduit connector and method A conduit connection joint is formed to connect a tube and a fitting body in fluid tight relation. The joint is made by axially compressing the tube in a bore in the fitting body so as to cause formation of an outwardly extending tube bead and at least one inwardly ... | 04/12/2005 |
| 6789822 | Expandable slotted tubing string and method for connecting such a tubing string An expandable tubing assembly comprises a tubular connector defining overlapping longitudinal slots, the connector comprising end portions and an intermediate portion. The slots extend over the whole length of the connector, but the only slot overlap occurs in the i... | 09/14/2004 |
| 6761380 | Filler neck assembly for fuel tank A filler neck assembly includes a plastic fuel tank having a wall with an opening extending therethrough. The filler neck assembly also includes a filler neck tube extending through the opening in the fuel tank and having an annular stop flange projecting radially o... | 07/13/2004 |
| 6685236 | Helically wound expandable tubular insert The present invention provides a connector arrangement for connecting a first tubular to a second tubular. In particular, the present invention relates to a method for connecting tubulars in such a way that the connection is prevented from becoming unmade... | 02/03/2004 |
| 6623048 | Apparatus and method of attaching a tube member to a housing of a vacuum brake booster An apparatus and method for attaching a tube member to a housing of a vacuum brake booster is provided. A tube member includes a body portion, an outer surface, a first end, and a second end. A first collar portion is disposed between the first end and th... | 09/23/2003 |
| 6619696 | Expandable locking thread joint A thread for expandable downhole tubular connections is disclosed. It features a locking pattern on the pin and box, which engages upon expansion of the connection. The locking pattern compensates for longitudinal shrinkage away from a torque shoulder, as... | 09/16/2003 |
| 6607220 | Radially expandable tubular connection A radially expandable tubular connection including a box member having an internal thread and a first seal surface and a pin member having an external thread and a second seal surface. The external thread threadedly engages the internal thread and the fir... | 08/19/2003 |
| 6575502 | Conduit connector and method A conduit connection joint is formed to connect a tube and a fitting body in fixed fluid tight relation. The joint is made by compressing the tube in a bore in the fitting body so as to cause formation of at least two beads in the tube during the engageme... | 06/10/2003 |
| 6572153 | Structure for mounting tubes to header member of a heat exchanger A structure for mounting a tube to a header member of heat exchanger is such that the header member has a tube hole and the tube is disposed through the tube hole so that a portion of the tube projects out of and beyond the header member. The portion of t... | 06/03/2003 |
| 6536808 | Soft tube coupling with expanding internal sleeve A joint of a soft tube comprises a tube joint, an inner sleeve, and an outer sleeve. The inner sleeve is inserted into the soft tube and then the soft tube is inserted into the outer sleeve; then the connecting end of the tube joint is inserted into the s... | 03/25/2003 |
| 6517126 | Internal swage fitting An internal swage fitting for swaging a tube. The fitting includes a tube connection region with one or more radial grooves and an expansion cavity at the end adjacent to the end of the tube to be swaged. The expansion cavity accommodates flowing tube mat... | 02/11/2003 |
| 6412832 | Self-flaring plastic fittings The self-flaring plastic fitting is generally utilized in coupling one section of tubing to another section of tubing. In the present invention, at least one of the sections of tubing has an end portion with a substantially uniform diameter and a groove a... | 07/02/2002 |
| 6405762 | Composite pipe assembly and method for preparing the same A composite pipe assembly comprises a pipe having a pipe wall, a housing comprising a tubular portion having an inner surface, said tubular portion being disposed around the outside of the pipe, and a tubular forge member having an outer surface. The forg... | 06/18/2002 |
| 6347663 | Fitting/manifold assembly and method for a heat exchanger A fitting/manifold assembly and method are provided for a heat exchanger. The method includes the steps of providing a manifold (22) including a wall (30) having an aperture (32) therethrough; providing a fitting (24) including a body (42), a nipple (44) ... | 02/19/2002 |
| 6328351 | Pipe joint with enlarged metal pipe and method for manufacturing same A pipe joint is comprised of a joint base member having an opening for a fluid conduit, a flange member fixed with the joint base member and a metal pipe having a first enlarged portion inserted into the opening, a second enlarged portion placed in an ins... | 12/11/2001 |
| 6312018 | Apparatus and method for connecting tubular members In an apparatus for connecting tubular members together by cold forging a plurality of rollers are carried on a shaft which includes a tapered portion cooperating with the rollers to force the rollers radially outwardly to forge the tubular member into th... | 11/06/2001 |
| 6217082 | Swivel fitting A swivel fitting includes a first annular member and a second annular member. The first annular member has a second end which is threaded and a first end which receives the first end of the second annular member. The second annular member has a second end... | 04/17/2001 |
| 6109535 | Corrosion resistant irrigation machine An irrigation machine distribution pipeline is protected against corrosion by a plastic liner within a steel pipeline. Access openings are spaced along the pipeline and aligned with apertures in the plastic liner. The liner extends the full length of the ... | 08/29/2000 |
| 6010327 | Fuel control system, parts, and methods of making A fuel control system, parts therefor, and methods of making are provided. The fuel control system includes a fuel control valve unit (FCU) and a fuel conduit having an end secured in a fuel outlet opening in a housing of the fuel control valve unit. The ... | 01/04/2000 |
