Patents Examined by David Bochna
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Patent number: 11905765Abstract: To prevent fracture of a box under a tensile load without increasing the outer diameter of the box. The presently disclosed threaded joint for pipes includes a pin provided with a male thread portion at one end of a first pipe, and a box provided with a female thread portion at one end of a second pipe, where each of a plurality of thread grooves of the female thread portion has a corner portion on a load flank side and a corner portion on a stabbing flank side on a thread bottom side, a corner portion on a load flank side of a first thread groove includes a first arc portion that has a first curvature radius, and a second arc portion that has a second curvature radius, and a ratio of the second curvature radius to the first curvature radius is 3 or more.Type: GrantFiled: September 11, 2020Date of Patent: February 20, 2024Assignee: JFE STEEL CORPORATIONInventors: Jun Takano, Takamasa Kawai, Takuya Nagahama, Seigo Goto, Masaki Yoshikawa, Tsuyoshi Yoneyama
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Patent number: 11898675Abstract: A pipe element coupler includes a plurality of coupling members, a gasket disposed in the coupling members and a fastening element. Each of the coupling members includes two engaging keys at two coupling end portions thereof each having an engaging surface that has varying radiuses of curvature. The fastening element is coupled at the coupling members, wherein the pipe element coupler is adapted for being preassembled on the two pipe elements to align the engaging keys with the corresponding grooves of the pipe elements. When the fastening element is operated to fasten the coupling members together, each of the engaging surfaces is deformed to change the varying radiuses of curvature, so as to substantially match a radius of curvature of the groove circumference at the bottom of the groove of the pipe element.Type: GrantFiled: June 4, 2020Date of Patent: February 13, 2024Assignee: Shanghai Vision Mechanical Joint Co., Ltd.Inventors: Zhigang Lu, Zhibing Zhai
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Patent number: 11898403Abstract: A leak-resistant pipe connection has an annular seal bulge on a pin end of the connection and a tapered seal area adjacent a secondary box shoulder of a box end of the connection. The annular seal bulge is coined on contact with the tapered seal area on initial make-up of the connection which provides a metal-to-metal seal that is very resistant to high-pressure fluid leakage even after the connection is subjected to extreme shear and tensile stresses.Type: GrantFiled: October 19, 2022Date of Patent: February 13, 2024Assignee: FRAC STRING SOLUTIONS LLCInventors: Nels Peter Wickander, L Murray Dallas
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Patent number: 11898667Abstract: A locking fitting assembly that can be removably installed in a tapped hole on a housing and resists unintended loosening of the fitting assembly. The fitting assembly maybe installed at a mounting location for receiving the fitting assembly, and includes abase with engagement structure configured to engage corresponding structure adjacent the mounting location to secure the base against rotation. The fitting assembly further includes a nipple fitting received on the base and having first and second oppositely disposed coupling features. The first coupling feature is configured to mate with a complementary coupling feature of the housing, such as the tapped hole, whereby the nipple fitting can be sealingly secured to the housing. Locking structure disposed between the base and the nipple fitting is configured to resist relative rotation between the base and the nipple fitting.Type: GrantFiled: January 29, 2020Date of Patent: February 13, 2024Assignee: JPB SystèmeInventors: Denis Messager, Laure Le Bellu
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Patent number: 11898666Abstract: A threaded connection includes a first tubular member having a pin end defining an external thread profile, and a second tubular member having a box end defining an internal thread profile threadably engageable with the external thread profile of the pin end. At least one of the external and internal thread profiles includes a first section that extends at a first taper angle relative to a longitudinal axis of the threaded connection, a second section extending from the first section at a second taper angle relative to the longitudinal axis, and a third section extending from the second section at a third taper angle relative to the longitudinal axis. The second taper angle is greater than each of the first and third taper angles.Type: GrantFiled: August 5, 2022Date of Patent: February 13, 2024Assignee: SAUDI ARABIAN OIL COMPANYInventors: Oladele Owoeye, Jasem Moyaibed
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Patent number: 11891862Abstract: An electromagnetic clearance joint and an assembly method thereof are provided, the joint includes a mandrel and a shell. An inner diameter of the shell is larger than an outer diameter of the mandrel, the mandrel includes a first structure part and a second structure part which are connected to each other, and the shell includes a third structure part and a fourth structure part which are connected to each other. A plurality of acting grooves are evenly and circumferentially distributed around the first structure part. An outer diameter of the first structure part is gradually reduced, a plurality of annular ridges are sequentially distributed axially on the outer surface of the second structure part and form the ridge structures, a plurality of grooves axially extending are arrayed circumferentially on the outer surface of the second ridge structure.Type: GrantFiled: December 9, 2021Date of Patent: February 6, 2024Inventors: Shaoguo Yang, Hangyun Li
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Patent number: 11885443Abstract: Threaded tubular connection for the casing of hydrocarbon wells obtained by makeup of a male tool joint with a female tool joint, the connection comprising a threaded portion, such that the male and respectively female threaded portions each comprise a helix provided with a load flank, a thread crest, a stabbing flank, a thread root, such that a pitch of the load flank (LFLp, LFLb) and a pitch of the stabbing flank (SFLp, SFLb) fulfills the following condition: [Math 14] SFLb=LFLb=SFLp=LFLp=k, A tooth width (Wtp) of the male helix and a tooth width of the female helix (Wtb) are such that [Math 15] 50%<Wtp/Wtb<80% or [Math 16] 50%<Wtb/Wtp<80% and [Math 17] Wtp Wtb<k.Type: GrantFiled: July 15, 2020Date of Patent: January 30, 2024Assignees: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL CORPORATIONInventors: Anthony Foulogne, Pierre Martin
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Patent number: 11885184Abstract: A downhole tool including a housing, a movable member movably disposed relative to the housing, a release member extending between the housing and the movable member, a floating nut secured to the shear member and movably received in a recess in the movable member.Type: GrantFiled: May 12, 2021Date of Patent: January 30, 2024Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Tuan Nguyen, Philip M. Gregurek
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Patent number: 11873933Abstract: A pipe coupling member includes a coupling body defining a part of a fluid passage, and a support member disposed inside the coupling body. A valve accommodating space is defined inside the coupling body at a position forward of the support member, and a valve element is disposed in the valve accommodating space to open and close the fluid passage. The coupling body is formed from a thin-walled pipe material and has a deformed recess formed by plastically deforming radially inward a portion of the coupling body that covers an annular groove of the support member. The deformed recess has a locking element latching surface along a support surface of the annular groove. When the pipe coupling member is connected to an associated pipe coupling member, the locking element latching surface is latched by a locking element of the associated pipe coupling member.Type: GrantFiled: March 14, 2022Date of Patent: January 16, 2024Assignee: NITTO KOHKI CO., LTD.Inventor: Toru Kouda
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Patent number: 11859739Abstract: A method of manufacturing a composite (e.g. fiber-reinforced polymer) connector for a fluid transfer conduit comprises: manufacturing a tubular pre-form which extends substantially parallel to a central axis C, the tubular pre-form comprising continuous circumferentially-oriented fiber reinforcement; manufacturing a continuous fiber pre-form net, the pre-form net comprising a support layer and continuous fiber reinforcement, the continuous fiber reinforcement being secured by being stitched to the support layer; placing the tubular pre-form and the pre-form net together into a mould to form a tubular hub portion from the tubular pre-form and a flange portion from the pre-form net, the flange portion extending from the hub portion at an angle to the central axis C; and introducing polymer into the mould so as to form a composite connector comprising the flange portion and the hub portion.Type: GrantFiled: August 9, 2019Date of Patent: January 2, 2024Assignee: CROMPTON TECHNOLOGY GROUP LIMITEDInventors: Ian Thomas Chase, Will Pollitt, Ioannis Giannakopoulos
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Patent number: 11850342Abstract: The present teachings include techniques for securing a connection to a dialyzer or the like—e.g., securing the junction between a dialyzer port and a connector (e.g., a DIN connector) that couples the port to tubing of an extracorporeal circuit of a hemodialysis system. To this end, a locking device may engage both a DIN connector and a portion of the dialyzer, such as the cap or an adapter engaged therewith. The locking device may include an interior void sized and shaped to accommodate winged portions (or other portions) of the DIN connector to mitigate rotation thereof relative to the port to which it is engaged. Further, the locking device may be used to ensure that coupling between the DIN connector and the port is proper and secure. In this manner, a locking device can mitigate leaks, which can be catastrophic during a hemodialysis treatment or the like.Type: GrantFiled: March 21, 2022Date of Patent: December 26, 2023Assignee: Fresenius Medical Care Holdings, Inc.Inventors: Jose Omar Aguilar Flores, Diego Suarez del Real Pena, Irving Uziel Hernandez Gomez
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Patent number: 11841096Abstract: Methods, devices, and systems for a universal pipe sleeve junction for an aspirated smoke detection system are described herein. In some examples, one or more embodiments include a sleeve body having an outer surface and an inner surface, the inner surface defining an opening through the sleeve body, wherein the sleeve body further includes a first end surface and a second end surface opposite the first end surface, and a nozzle having an outer surface and an inner surface, the inner surface of the nozzle defining an opening through the nozzle and extending through to the inner surface of the sleeve body, where the nozzle opening is configured to couple with a pipe sleeve attachment mechanism.Type: GrantFiled: December 19, 2022Date of Patent: December 12, 2023Assignee: Honeywell International Inc.Inventors: Mauro Miheli, Lorenzo Feurra, Gianluca Pace
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Patent number: 11841102Abstract: A connector for a mucking duct of a tunnel boring machine including a fitting having a first end configured to be added and fastened onto the flexible pipe of the mucking duct and a second end configured to be mounted on an additional duct section, and a clamping device, mounted in the fitting and configured to block the additional duct section relative to the fitting.Type: GrantFiled: July 9, 2020Date of Patent: December 12, 2023Assignee: BOUYGUES TRAVAUX PUBLICSInventor: Herve Pesenti
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Patent number: 11840895Abstract: A threaded connection partially in a self-locking arrangement includes a first and a second tubular component provided respectively with male and female threaded zone at their respective ends. Only a portion of a first portion with varying thread width of the male threaded zone cooperates by self-locking tightening with only a portion of the second portion with varying thread width of the female threaded zone when made up one into the other. The connection is able to withstand high torques required for special applications such as drilling with casing or intermediate casing.Type: GrantFiled: October 2, 2018Date of Patent: December 12, 2023Assignees: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL CORPORATIONInventors: Steve Langford, Wesley Ott
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Patent number: 11840124Abstract: A piping system for an air conditioner that includes a refrigerant pipe that is formed of a plastic material and has a multi-layered pipe structure including an outer layer and an inner layer. The piping system provides a fluid flow between parts constituting the air conditioner system. A first flange formed of the plastic material and providing a connection between the refrigerant pipe and components constituting the air conditioner system. A second flange formed of the plastic material and connected to a charging valve for injecting a refrigerant into the refrigerant pipe.Type: GrantFiled: November 8, 2021Date of Patent: December 12, 2023Assignee: HS R & A CO., LTD.Inventors: Jae Hyeok Choi, Deok Hyun Lim, Young Jun Kim, Seung Hoon Sung, Kwon Sik Hwang
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Patent number: 11840893Abstract: A wired drill string assembly, comprising a plurality of drill pipes extending from a surface into a wellbore. The plurality of drill pipes comprising a coaxial wired transmission line. The assembly comprising a downhole tool comprising a body having a first threaded connector and a second threaded connector, the first threaded connector being connected to one of the plurality of drill pipes. The downhole tool including one or more electrical components comprising a sensor coupled to the body and a signal transmitter configured to transmit a signal representing a measurement taken by the sensor. A first coaxial transmission line extending along the body and electrically connected to the coaxial wired transmission line and with the one or more electrical components. The first transmission line is electrically connected to the transmission wire by a first physical electrical contact on at least a portion of a first removable connector thread flank.Type: GrantFiled: February 24, 2022Date of Patent: December 12, 2023Inventor: Joe Fox
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Patent number: 11834913Abstract: An inductively coupled drillstring includes a drillstring tool such as a drill pipe and other downhole tools. The drillstring tool comprises a threaded pin end comprising male helical threads and a threaded box end comprising female helical threads. The female helical threads comprise a bulbous thread root and a generally keyhole cross section. The male helical threads comprise a bulbous thread crest and a cross section complementary with the cross section of the female bulbous thread root. At least a portion of the female bulbous helical threads comprise at least a portion of a first helical inductive coupler, and at least a portion of the male bulbous helical threads comprise at least a portion of a second helical inductive coupler. When the male and female threads are engaged at least a portion of the respective first and second helical inductive couplers are opposed to each other within the drillstring.Type: GrantFiled: March 24, 2022Date of Patent: December 5, 2023Inventor: Joe Fox
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Patent number: 11834914Abstract: A quick connect pipe connection for drill pipe may include a box end having an annular end surface that gives way internally to a receiving portion and externally to an engagement portion. The connection may also include a pin end configured for rotationally and longitudinally engaging the box end. The pin end may include a tapered portion configured for longitudinal insertion into the receiving portion and resisting relative rotation between the box end and the pin end. The pin end may also include a collar configured for sleeving over the engagement portion of the box end and resisting relative longitudinal motion between the box end and the pin end.Type: GrantFiled: February 10, 2020Date of Patent: December 5, 2023Assignee: NATIONAL OILWELL VARCO, L.P.Inventors: Andrew Ian McKenzie, Dominick Mancuso
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Patent number: 11828391Abstract: In a threaded connection of a two-step thread construction including intermediate shoulder surfaces, a break is prevented near the intermediate critical cross sections upon application of a tensile load, and the intermediate shoulder surfaces are easier to create, thus improving productivity. The outer periphery portion of a pin located between an intermediate shoulder surface of the pin and a second male thread is provided with a circumferential groove including a curved surface smoothly contiguous to the intermediate shoulder surface, thereby mitigating plastic strains generated near the pin intermediate critical cross section PICCS. The inner periphery portion of a box located between an intermediate shoulder surface of the box and a first female thread is provided with a circumferential groove including a curved surface smoothly contiguous to the intermediate shoulder surface, thereby mitigating plastic strains generated near a box intermediate critical cross section BICCS.Type: GrantFiled: August 20, 2020Date of Patent: November 28, 2023Assignees: NIPPON STEEL CORPORATION, VALLOUREC OIL AND GAS FRANCEInventors: Yousuke Oku, Satoshi Maruta, Masaaki Sugino, Alan Fothergill
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Patent number: 11821646Abstract: A fitting assembly for connection to a flexible duct includes a ferrule configured for insertion into an open end of the flexible duct a fitting removably connected to the ferrule. The ferrule includes a sidewall defining a minor diameter and a major diameter spaced apart from the minor diameter, and a ferrule thread extending radially outward from the sidewall. One of the fitting and the ferrule defines a recess. Another of the fitting and the ferrule comprises a tab configured to extend into the recess. One of the recess and the tab comprises an edge. Another of the recess and the tab comprises a ramped surface extending in a circumferential direction of the ferrule, such that rotation of the ferrule relative to the fitting causes the ramped surface to engage the edge, thereby radially deflecting the tab and disengaging the tab from the recess.Type: GrantFiled: March 12, 2020Date of Patent: November 21, 2023Assignee: RHEIA, LLCInventors: Robert Beach, Andrew Poerschke, Nigel Watts