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| Number | Title | Issue Date |
| 8079623 | Threaded pipe connector A riser connector uses a box and upset pin connector threadform design having S-shaped load flanks that provide a variable load angles depending on the radial position along the engaged teeth. This design promotes a load path that changes with position along the axi... | 12/20/2011 |
| 8070191 | Threaded joint for steel pipes A threaded joint for steel pipes comprises a pin having male threads and a box having female threads which engage with the male threads. An incomplete thread is formed at the start of the male threads and the incomplete thread has a portion in which the angle θ for... | 12/06/2011 |
| 8038182 | Breakage resistant fitting An aspect of the invention, is directed to a luer fitting. The luer fitting may include a male luer, a luer collar disposed about the male luer, and a fulcrum disposed at a base portion of a receptacle between the male luer and the luer collar. Another aspect of the... | 10/18/2011 |
| 7588270 | Threaded tubular joint comprising sealing surfaces A tubular joint for hydrocarbon wells including a male tubular element and a female tubular element including respective sealing faces configured to come into mutual sealing-tight contact after sliding over one another during assembly and/or during radial expansion ... | 09/15/2009 |
| 7549682 | Threaded pipe connector A riser connector uses a box and upset pin connector threadform design having S-shaped load flanks that provide a variable load angles depending on the radial position along the engaged teeth. This design promotes a load path that changes with position along the axi... | 06/23/2009 |
| 7527304 | Floating wedge thread for tubular connection A tubular connection is provided with a first thread on a first step having an initial makeup location and a second thread on a second step, the second thread being a wedge thread and having a selected clearance on stab and load flanks at the initial makeup location... | 05/05/2009 |
| 7506901 | Resilient locking connection A plumbing fixture that includes a threaded connection, including a male part having external threads and a female part having internal threads associated with one or more protrusions interspaced such that when the female and male parts mate together, the protrusion... | 03/24/2009 |
| 7469938 | Threaded connection especially for radically plastically expandable conduit A threaded connection includes a male member having threads thereon defining a load flank lead and a stab flank lead. The threaded connection also includes a female member having threads thereon adapted to mate with threads on the male member, wherein the threads on... | 12/30/2008 |
| 7458617 | Composite drill pipe A composite pipe segment is formed to include tapered in wall thickness ends that are each defined by opposed frustoconical surfaces conformed for self centering receipt and intimate bonding contact within an annular space between corresponding surfaces of a coaxial... | 12/02/2008 |
| 7431347 | Hollow sucker rod connection with second torque shoulder An elongated drive string assembly comprising a plurality of hollow sucker rods and connecting elements with an axis, connected together and between a drive head located at the surface of an oil well and a rotary pump located deep down hole in an oil well. Each holl... | 10/07/2008 |
| 7425024 | Submersible pump drop pipe and casing assembly connection and method of manufacture A submersible pump drop pipe and casing assembly and method of manufacture is disclosed. The drop pipe/casing has a seated connector and base. The seated connector has a first and second sections, the first section being used to align and direct the base into the se... | 09/16/2008 |
| 7370777 | Quick fastener A quick-acting closure (1) for connecting a mixer tube (3) and a connecting part (2) of an extruder unit. The connecting part (2) has a connector (9) with a conical threaded base member, on which an external thread (12) is a... | 05/13/2008 |
| 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 |
| 7334821 | Premium threaded tubular joint comprising at least a threaded element with end lip A premium threaded tubular connection including, on at least one threaded element, a distal abutment surface at the free end of a threaded element, and a lip sealing surface at a given distance from the threading. The lip includes an appendix that extends the lip to... | 02/26/2008 |
| 7332712 | Camera module fabrication method including the step of removing a lens mount and window from the mold An image sensor package includes an image sensor, a window, and a molding, where the molding includes a lens holder extension portion extending upwards from the window. The lens holder extension portion includes a female threaded aperture extending from the window s... | 02/19/2008 |
| RE39869 | High efficiency drill pipe A drill pipe 10 comprises an elongate pipe section 12 having a substantially uniform pipe outer diameter 18 and a substantially uniform pipe inner diameter 20. A pin tool joint 14 is welded at one end to the pipe section, and a box... | 10/09/2007 |
| 7261326 | Submersible pump drop pipe and casing assembly connection and method of manufacture A submersible pump drop pipe and casing assembly and method of manufacture is disclosed. The drop pipe/casing has a seated connector and base. The seated connector has a first and second cylinder section, the first cylinder section being used to align and direct the... | 08/28/2007 |
| 7240930 | Quick-connect/quick-disconnect conduit connectors Connector for connecting a pair of tubular components together, such as a pair of exhaust conduits of a dryer or an exhaust conduit of a dryer to a dryer vent or wall-mounted vent sleeve, including a pair of generally semi-cylindrical members each having a first, co... | 07/10/2007 |
| 7242834 | Dispersion-shifted fiber for optical parametric amplifier Provided is a dispersion-shifted fiber for an optical parametric amplifier. The dispersion-shifted fiber is a silica-based optical fiber and has a large nonlinear coefficient and a small effective area. The dispersion-shifted fiber also reduces a bending loss and a ... | 07/10/2007 |
| 7237810 | Plastic pipe adhesive joint A method of joining two pipe ends, by forming male threads on an end of a first pipe with a steep taper angle, forming matching female threads on an end of a second pipe, and applying adhesive material to the threads before twisting the pipes to fully engage the mal... | 07/03/2007 |
| 7210710 | Drill stem connection A double shoulder drill stem connection for high torque applications includes a thread taper within a range between about 1.0 and 1.2 inch per foot. The thread form is characterized by a stab angle between about 35 and 42 and a load angle between about 25 and 34 deg... | 05/01/2007 |
| 7210505 | Elbow for a conduit An elbow for a dryer exhaust vent conduit. The elbow can have two nestable channel sections, each channel section having a generally C-shaped cross-section, which may be substantially semi-circular. Each channel section has a connection mechanism along at least one ... | 05/01/2007 |
| 7185721 | Male portion, drill bit and threaded joint for percussive rock drilling A male portion for percussive rock drilling includes sections of reduced cross-sectional area. At least one thread for percussive rock drilling is provided at an end of the male portion. The end of the male portion comprises an abutment surface for the transfer of i... | 03/06/2007 |
| 7178391 | Insertion tube methods and apparatus A drill string comprises a first drill string member having a male end; and a second drill string member having a female end configured to be joined to the male end of the first drill string member, the male end having a threaded portion including generally square t... | 02/20/2007 |
| 7169239 | Solid expandable tubular members formed from very low carbon steel and method A very low carbon steel alloy is provided for use in manufacturing tubular members such as oil country tubular goods. The tubular members may be radially expanded from at least twenty percent to forty percent. Sections or joints of casing formed from the steel alloy... | 01/30/2007 |
| 7126111 | Camera module having a threaded lens barrel and a ball grid array connecting device An image sensor package includes an image sensor, a window, and a molding, where the molding includes a lens holder extension portion extending upwards from the window. The lens holder extension portion includes a female threaded aperture extending from the window s... | 10/24/2006 |
| 7115176 | Production process and production line for manufacturing articles from hardenable metal materials In a method of manufacturing articles (8) in hardenable metal materials, a shaped workpiece (5.1, 5.2) with closed cross-section is hardened. The hardened workpiece (5.1, 5.2) is separated into at least two parts, where each part constitutes one... | 10/03/2006 |
| 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 |
| 7096951 | Method and apparatus for retrieving an object from a well bore A fishing tool apparatus for retrieving an object from within a well bore, wherein the object has an opening for receiving the apparatus, comprises a support rod, an expandable sleeve, and a biasing means. The expandable sleeve may be externally threaded for engagin... | 08/29/2006 |
| 7090006 | Replaceable liner for metal lined composite risers in offshore applications A method of re-manufacturing a composite riser section having a damaged original metal liner comprises inserting an expandable replacement liner into the bore of the composite riser section and positioning the replacement liner to cover the metal liner. An annular r... | 08/15/2006 |
| 7077955 | Joint used in one of a water inlet or water outlet of a filter cylinder or a filter casing A joint used in one of a water inlet or water outlet of a filter cylinder, or a water inlet or a water outlet of a filter casing is disclosed. The joint is a round cylindrical tube and comprises at least one first waterproof washer installed near one end of the roun... | 07/18/2006 |
| 7017951 | Strengthened pipe fitting having encapsulated reenforcing collar A strengthened pipe fitting has an internally threaded surface and a compression band. The compression band is sized to compress the internally threaded surface sufficiently so that the pipe fitting is subjected to a compressive preload. The compression band is cove... | 03/28/2006 |
| 7014223 | Screw threaded joint for continuous-profile tubes A flush-type integral threaded joint with truncated-cone threads, with two scaling surfaces 11′, 12′, 11″, 12″) set at the end of the threaded portions (7, 8), and with two annular scaling shoulders (5′, 6′, 5″, 6″). The two thre... | 03/21/2006 |
| 7007984 | Hang-free thread design A threaded pin and box connection having thread geometries and/or dissimilar thread fits that prevent the pin thread of a connection from hanging up in the box thread as the pin is being stabbed into or destabbed from the box. Dissimilar geometries and/or threads in... | 03/07/2006 |
| 7005581 | Electrical metallic tube, coupling, and connector apparatus and method A labor saving system, method, and apparatus for connecting or coupling lengths of electric metallic tubing (“EMT”). The invention uses couplings/connectors that have barbs that are designed to engage corresponding indentations on EMT to ensure proper installati... | 02/28/2006 |
| 6997264 | Method of jointing and running expandable tubulars A connector arrangement used for connecting a first tubular to a second tubular. The first tubular member has at least one circumferential ring profile, and the second tubular member has a corresponding number of matching circumferential ring profiles. When the ring... | 02/14/2006 |
| 6991267 | Assembly of hollow torque transmitting sucker rods and sealing nipple with improved seal and fluid flow An elongated drive string assembly includes a plurality of hollow sucker rods and connecting elements between a drive head located at the surface of an oil well and a rotary pump located deep down in an oil well, with a series of holes at each end to substantially i... | 01/31/2006 |
| 6981723 | Threaded attachment A threaded attachment provides means of applying external threads to elongated members, such as tubes, rods, cables, and the like. The threaded attachment can be expanded to install around an elongated member. When the threaded attachment is compressed or closed aro... | 01/03/2006 |
| 6976711 | Threaded connection especially for radially plastically expandable conduit A threaded connection for a conduit is disclosed. The connection includes a male member having threads on it defining a load flank lead, a stab flank lead and a nominal lead. A female member has threads thereon adapted to mate with the threads on the male member. Th... | 12/20/2005 |
| 6971681 | Threaded pipe with surface treatment A threaded metallic pipe for oil extraction industry has a threaded end portion with treated surface in which the metal surface has a roughness (Ra) comprised of 2.0 μm and 6.0 μm, which is covered by a uniform layer (7) of a dry corrosion inhibiting coatin... | 12/06/2005 |
