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the tubes having a special shape

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  • B21C37/124
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BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for Manufacture of tubes of special shape

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B21C37/124the tubes having a special shape
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Tapered spiral welded structure
    • Patent number 11,834,856
    • Issue date Dec 5, 2023
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spiral forming
    • Patent number 11,731,181
    • Issue date Aug 22, 2023
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pipe tubular reinforcement forming machine, and related method
    • Patent number 11,712,726
    • Issue date Aug 1, 2023
    • TECHNIP N-POWER
    • Rafael Pacheco Stikan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tapered structure construction
    • Patent number 11,571,727
    • Issue date Feb 7, 2023
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Armoured cable and its manufacture
    • Patent number 11,554,400
    • Issue date Jan 17, 2023
    • Marc Fitzner
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Control system and method for tapered structure construction
    • Patent number 11,364,527
    • Issue date Jun 21, 2022
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spiral forming
    • Patent number 11,213,872
    • Issue date Jan 4, 2022
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tapered structure construction
    • Patent number 10,974,298
    • Issue date Apr 13, 2021
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tubular core and method
    • Patent number 10,933,455
    • Issue date Mar 2, 2021
    • Pacific Roller Die Company, Inc.
    • Robert F. Miller
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tapered spiral welded structure
    • Patent number 10,895,088
    • Issue date Jan 19, 2021
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus for forming in continuous a spiral seamed conduit, formin...
    • Patent number 10,857,579
    • Issue date Dec 8, 2020
    • ZEFFIRO SRL
    • Gino Guasti
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Elongate tape element and method
    • Patent number 10,683,951
    • Issue date Jun 16, 2020
    • GE Oil & Gas UK Limited
    • Andrew Peter Roberts
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Horizontally wound coil of metallurgically heat treated metal tubin...
    • Patent number 10,549,329
    • Issue date Feb 4, 2020
    • INDUCTOTHERM GROUP AUSTRALIA PTY LTD.
    • Christopher Gordon Stone
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spiral forming
    • Patent number 10,493,509
    • Issue date Dec 3, 2019
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Elongate tape element and method
    • Patent number 10,465,824
    • Issue date Nov 5, 2019
    • GE Oil & Gas UK Limited
    • Suranjith Warnakulasuriya
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Flexible pipe carcass for controlling flow induced vibration in a r...
    • Patent number 10,203,052
    • Issue date Feb 12, 2019
    • Statoil Petroleum AS
    • Knut-Aril Farnes
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tapered structure construction
    • Patent number 10,195,653
    • Issue date Feb 5, 2019
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Control system and method for tapered structure construction
    • Patent number 10,189,064
    • Issue date Jan 29, 2019
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tapered spiral welded structure
    • Patent number 10,060,149
    • Issue date Aug 28, 2018
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Elongate tape element and method
    • Patent number 10,018,289
    • Issue date Jul 10, 2018
    • GE Oil & Gas UK Limited
    • Suranjith Warnakulasuriya
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Tapered spiral welded structure
    • Patent number 9,475,153
    • Issue date Oct 25, 2016
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Process for manufacturing a wound hose, particularly a spiral wound...
    • Patent number 9,446,439
    • Issue date Sep 20, 2016
    • BOA Balg- und Kompensatoren- Technologie GmbH
    • Henrik Hof
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tapered structure construction
    • Patent number 9,302,303
    • Issue date Apr 5, 2016
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tapered structure construction
    • Patent number 9,266,157
    • Issue date Feb 23, 2016
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tower production method
    • Patent number 9,168,576
    • Issue date Oct 27, 2015
    • Uztek Endustri Tesisleri Insaat Imalat Ve Montaj Sanayi Ve Ticaret Limited Si...
    • Cevdet Unan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tapered spiral welded structure
    • Patent number 8,720,153
    • Issue date May 13, 2014
    • Keystone Tower Systems, Inc.
    • Eric Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Machine to produce expanded metal spirally lock-seamed tubing from...
    • Patent number 8,578,577
    • Issue date Nov 12, 2013
    • Helix International, Inc.
    • Wilhelmus P. H. Castricum
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Machine to produce expanded metal spirally lock-seamed tubing from...
    • Patent number 8,578,576
    • Issue date Nov 12, 2013
    • Helix International, Inc.
    • Wilhelmus P. H. Castricum
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing a threaded insert with an internal and externa...
    • Patent number 8,449,235
    • Issue date May 28, 2013
    • Ludwig Hettich & Co.
    • Ulrich Hettich
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of welding duplex stainless steel strip for the production o...
    • Patent number 8,350,178
    • Issue date Jan 8, 2013
    • National Oilwell Varco Denmark I/S
    • Steen Inselmann
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    SPIRAL FORMING
    • Publication number 20240082899
    • Publication date Mar 14, 2024
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TAPERED STRUCTURE CONSTRUCTION
    • Publication number 20230249236
    • Publication date Aug 10, 2023
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    CONTROL SYSTEM AND METHOD FOR TAPERED STRUCTURE CONSTRUCTION
    • Publication number 20220297175
    • Publication date Sep 22, 2022
    • Keystone Tower Systems, Inc.
    • Rosalind K. TAKATA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SPIRAL FORMING
    • Publication number 20220080484
    • Publication date Mar 17, 2022
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Tubular core and method
    • Publication number 20220001430
    • Publication date Jan 6, 2022
    • Pacific Roller Die Company, Inc.
    • Robert F. Miller
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TAPERED STRUCTURE CONSTRUCTION
    • Publication number 20210213501
    • Publication date Jul 15, 2021
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TAPERED SPIRAL WELDED STRUCTURE
    • Publication number 20210115690
    • Publication date Apr 22, 2021
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    IMPROVEMENTS IN ARMOURED CABLE AND ITS MANUFACTURE
    • Publication number 20210101196
    • Publication date Apr 8, 2021
    • Marc FITZNER
    • D07 - ROPES CABLES OTHER THAN ELECTRIC
  • Information Patent Application

    PIPE TUBULAR REINFORCEMENT FORMING MACHINE, AND RELATED METHOD
    • Publication number 20200398325
    • Publication date Dec 24, 2020
    • TECHNIP N-POWER
    • Rafael Pacheco STIKAN
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    APPARATUS FOR FORMING IN CONTINUOUS A SPIRAL SEAMED CONDUIT, FORMIN...
    • Publication number 20200230675
    • Publication date Jul 23, 2020
    • Gino GUASTI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SPIRAL FORMING
    • Publication number 20190160505
    • Publication date May 30, 2019
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SEAMING DEVICE
    • Publication number 20190160516
    • Publication date May 30, 2019
    • Toyo Seikan Co., Ltd.
    • Kazumoto Obata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    HORIZONTALLY WOUND COIL OF METALLURGICALLY HEAT TREATED METAL TUBIN...
    • Publication number 20190084022
    • Publication date Mar 21, 2019
    • Inductotherm Group Australia Pty. Ltd.
    • Christopher Gordon STONE
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TAPERED SPIRAL WELDED STRUCTURE
    • Publication number 20190063101
    • Publication date Feb 28, 2019
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Apparatus and method for a helically perforated wound duct
    • Publication number 20180318896
    • Publication date Nov 8, 2018
    • Jeffrey Jonathan Bell
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    ELONGATE TAPE ELEMENT AND METHOD
    • Publication number 20180299039
    • Publication date Oct 18, 2018
    • GE Oil & Gas UK Limited
    • Suranjith Warnakulasuriya
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    PIPE CUTTING SYSTEM
    • Publication number 20180200771
    • Publication date Jul 19, 2018
    • Roundel Civil Products Pty Ltd
    • Graham Anthony Byard
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    TAPERED STRUCTURE CONSTRUCTION
    • Publication number 20180133769
    • Publication date May 17, 2018
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Tubular core and method
    • Publication number 20180086593
    • Publication date Mar 29, 2018
    • Pacific Roller Die Company, Inc.
    • Robert F. Miller
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    ELONGATE TAPE ELEMENT AND METHOD
    • Publication number 20160069485
    • Publication date Mar 10, 2016
    • GE Oil & Gas UK Limited
    • Suranjith Warnakulasuriya
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    ELONGATE TAPE ELEMENT AND METHOD
    • Publication number 20160069486
    • Publication date Mar 10, 2016
    • Andrew Peter Roberts
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    FLEXIBLE PIPE CARCASS FOR CONTROLLING FLOW INDUCED VIBRATION IN A R...
    • Publication number 20150252920
    • Publication date Sep 10, 2015
    • STATOIL PETROLEUM AS
    • Knut-Aril Farnes
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    DEVICE FOR UNDULATING A PIPE
    • Publication number 20140305178
    • Publication date Oct 16, 2014
    • Nico Lange
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TAPERED SPIRAL WELDED STRUCTURE
    • Publication number 20140220371
    • Publication date Aug 7, 2014
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TOWER PRODUCTION METHOD
    • Publication number 20140047696
    • Publication date Feb 20, 2014
    • Cevdet Unan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    PROCESS FOR MANUFACTURING A WOUND HOSE, PARTICULARLY A SPIRAL WOUND...
    • Publication number 20130233433
    • Publication date Sep 12, 2013
    • Henrik Hof
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TAPERED STRUCTURE CONSTRUCTION
    • Publication number 20130074564
    • Publication date Mar 28, 2013
    • Eric Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TOWER PRODUCTION METHOD
    • Publication number 20120273556
    • Publication date Nov 1, 2012
    • Cevdet Unan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    FORMING HEAD FOR FORMING SPIRALLY SEAMED TUBE
    • Publication number 20120103046
    • Publication date May 3, 2012
    • Carina Petersson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Tapered Spiral Welded Structure
    • Publication number 20110179623
    • Publication date Jul 28, 2011
    • Eric Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR