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| Number | Title | Issue Date |
| 7748755 | Couplings for water fed poles A coupling for joining a first pole section and a second pole section is provided. The coupling includes a male portion secured to the first pole section and a female portion secured to the second pole section. The male portion has a first male guide, a second male ... | 07/06/2010 |
| 7568737 | Male coupling for connecting to female threaded coupling A male coupling is connectable to and separable from a female threaded coupling. The female threaded coupling includes a sealing surface and a receiving portion sized to receive at least a portion of the male coupling, where the receiving portion has internal thread... | 08/04/2009 |
| 7431351 | Pressure-containing tubular connections for remote operation This invention is a method and apparatus for making a pressure-containing threaded tubular connection, suitable for remotely operated connection and separation, utilizing electrical heating to reduce the amount of make up torque required to produce reliable preloadi... | 10/07/2008 |
| 7416223 | Fire hose connection with a pressure relieving safety feature A coupling device for an adapter connection point, including a first fitting and a second fitting, wherein at least one of the first and the second fittings includes at least one channel, and wherein when a user begins to disengage the coupling device any trapped pr... | 08/26/2008 |
| 7380590 | Rotating pressure control head A Rotating Pressure Control Head (RPCH) with a rapid engagement mechanism is disclosed. The RPCH comprises an upper body and a lower body. The rapid engagement mechanism allows the upper body to be quickly disengaged from the lower body and replaced with a new upper... | 06/03/2008 |
| 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 |
| 7316430 | Connecting mechanism A connecting mechanism for two parts, which are at least partially insertable into one another, presents a cam-operated component, which runs on bearings and which is adjustable between a passive and an active position, on the one part, for shifting a number of cont... | 01/08/2008 |
| 7311733 | Vertebral body placeholder The invention relates to a vertebral body placeholder having a cylindrical inner body (14), which can be telescopically inserted into a coaxially arranged, sleeve-shaped outer body (16). A detent device that works in one direction is arranged between t... | 12/25/2007 |
| 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 |
| 7213655 | System for connecting downhole tools A hands-free connection system is provided for coupling downhole tools for use in well operations. The connection system includes two downhole tools connectable together in threaded engagement. The connection system further includes a compressible locking sleeve pos... | 05/08/2007 |
| 7207607 | Coaxial two-component cartridge The invention relates to a coaxial two-component cartridge, with an outer tube and a separate inner tube, both of which tape at one respective end into a respective neck, wherein the inner side of the neck of the outer tube and the outer side of the neck of the inne... | 04/24/2007 |
| 7168486 | Apparatus comprising expandable bistable tubulars and methods for their use in wellbores A technique for connecting expandable tubulars. The technique comprises an expandable connector system that facilitates the connection of tubular components, such as tubulars used in wellbore environments. ... | 01/30/2007 |
| 7040393 | Choke and kill line systems for blowout preventers The invention is directed to pressure lines for use with equipment associated with drilling and production risers, and in particular, pressure lines having breechblock connections with the equipment and with choke and kill lines for use in connection with different ... | 05/09/2006 |
| 7032767 | Pressurized container for storing pressurized liquid and/or gaseous media, consisting of a plastic core container which is reinforced with fibre-reinforced plastics and a method for producing the same A plastic core container is reinforced with a fibre-plastic composite for storing pressurized liquid and/or gaseous media and includes one or more connecting parts located in the neck and/or base and/or cylindrical container part. At least one connecting part is con... | 04/25/2006 |
| 7017952 | Fluid connector The present invention relates to a fluid connector, comprising a shaft having at least one solid shaft element and a plurality of connector surfaces, wherein the plurality of connector surfaces includes a surface with a plurality of threads and a plurality of groove... | 03/28/2006 |
| 6994382 | Retaining feature for corrugated acoustic duct A retaining feature is provided for connecting a plastic tube to a corrugated acoustic duct. The retaining feature accommodates variations in the undulations and thread pattern of the corrugated duct, while at the same time minimizing the materials, specialized equi... | 02/07/2006 |
| 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 |
| 6860525 | Breech lock connector for a subsea riser A riser assembly includes riser segments, each having threaded ends. A coupling nut is connected to the threaded end of the first riser segment. The threads of a second riser segment and a set of corresponding threads of the coupling nut are breech threads, which al... | 03/01/2005 |
| 6764110 | Remotely pretensioned threaded tubular connections This invention is a method and apparatus for making a pressure-containing threaded tubular connection, suitable for remotely operated connection and separation, utilizing electrical heating to reduce the amount of makeup torque required to produce reliable preloadin... | 07/20/2004 |
| 6719331 | Telescopic tube with water supply A telescopic tube with water supply is equipped with a minor tube, a major tube that are connected to each other by a tubular coupling device which has a registration end and a connecting section, the former is engaged with one end of the minor tube and the latter i... | 04/13/2004 |
| 6543816 | Threaded tubular joint proof to external pressure A threaded pipe connector which may find application in the petroleum and gas industry, and pipe connections formed with the connector. The connector includes a male element disposed at the end of a first pipe and a female element disposed at the end of a... | 04/08/2003 |
| 6283511 | Pipe coupling A pipe coupling has coupling members provided with a pin and a box. The outer surface of the pin is provided with axially extending columns of teeth, separated by free slots, and the inner surface of the box is provided with axially extending columns of c... | 09/04/2001 |
| 6168213 | Connector and connection method A connector having a stinger and a receiver. The receiver is cocked by applying counter-acting torques to separate sections of the receiver. The counteracting torques compress a spring member. In the cocked position, the stinger is inserted into the recei... | 01/02/2001 |
| 6123364 | Pipe joint A pipe joint provided with a joint main body having a tapered female screw portion on an opening end, and a cylindrical retainer having a male screw portion screwed into the female screw portion and plural small-disc continuous bodies each of which is com... | 09/26/2000 |
| 6017066 | Threaded connection device for pipes Threaded connection device for pipes including a cylindrical sleeve having, at both its ends, fasteners for the connection with a flexible pipe, two internally threaded rings each one screwing on one end of the sleeve. These said rings have a circular rim... | 01/25/2000 |
| 5938081 | Container and cap closure A closure comprising a cap and container where the cap is integrally formed with a trigger sprayer housing and the cap and container have four thread connectors that attach the cap to the container by a quarter turn of the cap relative to the container, a... | 08/17/1999 |
| 5875976 | Locking mechanism for nozzle assembly The present invention is directed toward a locking mechanism for aiding in the prevention of accidental or unintentional disengagement of the nozzle assembly from a needleless injection device. In one embodiment of the locking mechanism, a stud positioned... | 03/02/1999 |
| 5631563 | Resistivity antenna shield, wear band and stabilizer assembly for measuring-while-drilling tool A sensor protection system for use with an MWD tool includes a tubular body having lesser and greater diameter portions, antennas mounted in grooves in the lesser diameter portion, shield sleeves covering the antennas and being locked in place against lon... | 05/20/1997 |
| 5403043 | Quick connect pipe coupling A pipe coupling having mating pin and socket elements, each having pitched interlocking fins. The two elements are mated by slidingly engaging the two elements and then rotating them. An O-ring may be added to one or the other of the elements to create a ... | 04/04/1995 |
| 5385372 | Luer connector with integral closure A female luer connector comprises a tube having an open, outer end in a luer-tapered bore communicating with the outer end. The tube carries a side arm that from a positioned spaced longitudinally from the open, outer end, with the side arm extending both... | 01/31/1995 |
| 5242199 | Threaded tubing connection A threaded connection for tubing joints having a threaded part and a matching part fixedly connected with the tube, which embraces the tube externally and rests with an inner surface having grooves at the outer surface of the tube, wherein the fixed conne... | 09/07/1993 |
| 5224739 | Device for connecting a tailpipe to an exhaust pipe A connecting device connects a tailpipe to an exhaust pipe of an internal combustion engine for a vehicle. The tailpipe includes a smaller diameter section and a larger diameter section, and the free end of the exhaust pipe is received by the larger diame... | 07/06/1993 |
| 5154452 | Tubular connection with S-thread form for clamping center seal A tubular connection employing two separate non-concurrent threaded sections, each of which nearly decays, that is, runs out on a tubular surface, one on the outside diameter of the male tubular member, and one on the inside diameter of the female tubular... | 10/13/1992 |
| 5082061 | Rotary locking system with metal seals A locking system utilizing metal seals for sealing and a rotary lock mandrel which is rotated to lock by a rotary running tool in a landing nipple in a well conduit. The lock mandrel has a metal sealing surface sealingly engageable with a metal seat in th... | 01/21/1992 |
| 5042844 | Hose fixture device A hose fixture device has a cylindrical wall with projections thereon, which projections engage a corresponding mounting projection of a hose. Normally that mounting projection is a helix, so that there is a screw engagement. The projections are arranged ... | 08/27/1991 |
| 4661029 | Quick disconnect collet assembly A quick disconnect coupling mechanism for a collet and collet tube facilitates connection and disconnection of the two members to and from one another. In a preferred form, the collet is provided with circumferentially spaced external threaded portions wh... | 04/28/1987 |
| 4595123 | Tamper evident closure cap A tamper indicating closure cap of the type having a pivotable stopper closing a cap top orifice. The stopper has an integral flange overlying portions of the top and extending behind the pivotable member to preclude pivoting of the pivotable member. The ... | 06/17/1986 |
| 4582350 | Helically threaded mechanism A helicoid thread mechanism which comprises a male helically threaded tube and a female helically threaded tube is provided with a helically threaded block for threadedly engaging the female tube onto the male tube. A sliding frictional contact noise whic... | 04/15/1986 |
| 4521042 | Threaded connection A pipe joint and threaded pin and box members adapted for use therein are disclosed in which two-stepped thread surfaces are axially separated by dissimilar angled positive angle torque and sealing surfaces and internal and external sealing surfaces are p... | 06/04/1985 |
| 4488740 | Breech block hanger support A breech block hanger support member for a subsea wellhead assembly for wells having a working pressure up to approximately 15,000 psi. The assembly includes a wellhead, the support member, a packoff for sealing the support member, and one or more other c... | 12/18/1984 |
