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  • B21D41/02
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BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL B21D41/00Application of procedures in order to alter the diameter of tube ends

Current Industry

B21D41/02Enlarging
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Flaring tool and method of flaring a tube or the like
    • Patent number 12,151,277
    • Issue date Nov 26, 2024
    • Uniweld Products, Inc.
    • David S. Pearl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tubing expansion tools and systems and methods for leak detection
    • Patent number 12,145,189
    • Issue date Nov 19, 2024
    • Milwaukee Electric Tool Corporation
    • James Wekwert
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for molding screw thread of metal pipe
    • Patent number 12,121,949
    • Issue date Oct 22, 2024
    • Keylex Corporation
    • Hiroyuki Okamura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Bead forming method and structural member
    • Patent number 12,109,605
    • Issue date Oct 8, 2024
    • Kobe Steel, Ltd.
    • Taiki Yamakawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pipe expanding head, pipe expanding head assembly and pipe expandin...
    • Patent number 11,986,876
    • Issue date May 21, 2024
    • Zhuji ITOP Hardware Tools Co., Ltd.
    • Xiaoming Deng
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Electric pipe expander, chuck structure for electric pipe expander,...
    • Patent number 11,980,924
    • Issue date May 14, 2024
    • ZHEJIANG VALUE MECHANICAL & ELECTRICAL PRODUCTS CO., LTD.
    • Yourong Jiang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Metal pipe and method for manufacturing metal pipe
    • Patent number 11,945,020
    • Issue date Apr 2, 2024
    • JFE Steel Corporation
    • Akihide Matsumoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Flaring and swaging bits, and methods using same
    • Patent number RE49842
    • Issue date Feb 20, 2024
    • Diversitech Corporation
    • Bruno Anjos
  • Information Patent Grant

    Expansion tool
    • Patent number 11,819,902
    • Issue date Nov 21, 2023
    • Milwaukee Electric Tool Corporation
    • Peter J. Davies
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Flaring tool and method of flaring a tube or the like
    • Patent number 11,779,991
    • Issue date Oct 10, 2023
    • Uniweld Products, Inc.
    • David S. Pearl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Multi-size adjustable mouth expanding device
    • Patent number 11,766,710
    • Issue date Sep 26, 2023
    • Guofen Luo
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for can expansion
    • Patent number 11,724,302
    • Issue date Aug 15, 2023
    • Belvac Production Machinery, Inc.
    • Gerald Meador
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Swage tool
    • Patent number 11,717,876
    • Issue date Aug 8, 2023
    • Milwaukee Electric Tool Corporation
    • James O. Myrhum
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Metal foil flaring apparatus
    • Patent number 11,715,923
    • Issue date Aug 1, 2023
    • TE CONNECTIVITY SOLUTIONS GmbH
    • An Yang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Bend pipe and method for manufacturing same
    • Patent number 11,712,727
    • Issue date Aug 1, 2023
    • Noritz Corporation
    • Naoki Se
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for expanding and shaping the end of pipes and an extracting...
    • Patent number 11,660,804
    • Issue date May 30, 2023
    • AQUATECHNIK GROUP S.P.A.
    • Lino Petena
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    PEX expansion tool
    • Patent number 11,633,775
    • Issue date Apr 25, 2023
    • Milwaukee Electric Tool Corporation
    • James Wekwert
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    PEX expansion tool
    • Patent number 11,596,999
    • Issue date Mar 7, 2023
    • Milwaukee Electric Tool Corporation
    • Peter J. Davies
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for expanding an end of a pipe and expander tool
    • Patent number 11,529,666
    • Issue date Dec 20, 2022
    • Uponor Innovation AB
    • Mika Savolainen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Inner cavity near-net-shaping device for micro cast-rolling additiv...
    • Patent number 11,440,254
    • Issue date Sep 13, 2022
    • Yanshan University
    • Jianfeng Song
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Prep bit
    • Patent number 11,433,463
    • Issue date Sep 6, 2022
    • Mueller Industries, Inc.
    • John A. Atkinson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Lubrication ring for a mechanical expander for sizing large pipes
    • Patent number 11,396,036
    • Issue date Jul 26, 2022
    • SMS group GMBH
    • Sarah Hornickel
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Expanding tool and method
    • Patent number 11,389,856
    • Issue date Jul 19, 2022
    • Uniweld Products, Inc.
    • David S. Pearl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hydraulic tube expander and method of use
    • Patent number 11,351,594
    • Issue date Jun 7, 2022
    • Diversitech Corporation
    • Joseph Houle
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Full-electric servo vertical three-counter-roller driving power spi...
    • Patent number 11,292,045
    • Issue date Apr 5, 2022
    • Xi'an Jiaotong University
    • Shengdun Zhao
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for can expansion
    • Patent number 11,253,904
    • Issue date Feb 22, 2022
    • Belvac Production Machinery, Inc.
    • Gerald Meador
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Heat exchanger
    • Patent number 11,255,609
    • Issue date Feb 22, 2022
    • HANON SYSTEMS
    • Richard Armsden
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool device for expanding the end of a tube
    • Patent number 11,185,908
    • Issue date Nov 30, 2021
    • Uponor Innovation AB
    • Vesa Rotso
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pipe coupling
    • Patent number 11,162,620
    • Issue date Nov 2, 2021
    • VOSS Fluid GmbH
    • Gerd Berghaus
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe enlarging device
    • Patent number 11,135,638
    • Issue date Oct 5, 2021
    • Yu-Shiang Huang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    APPARATUS AND PROCESS FOR EXPANDING A TUBULAR USING A CONE ASSEMBLY
    • Publication number 20240216980
    • Publication date Jul 4, 2024
    • Alessandro CACCIALUPI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    DIAMETER-EXPANDING TOOL HEAD AND DIAMETER-EXPANDING METHOD THEREOF
    • Publication number 20240066584
    • Publication date Feb 29, 2024
    • Cheng-Chia Peng
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Flaring Tool And Method Of Flaring A Tube Or The Like
    • Publication number 20230405662
    • Publication date Dec 21, 2023
    • UNIWELD PRODUCTS, INC.
    • David S. Pearl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    BITS AND METHODS OF MANUFACTURE AND USE THEREOF
    • Publication number 20230372993
    • Publication date Nov 23, 2023
    • Diversitech Corporation
    • Jonathan Sada
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    ELECTRIC PIPE EXPANDER
    • Publication number 20230294156
    • Publication date Sep 21, 2023
    • Zhejiang Value Mechanical & Electrical Products Co., Ltd.
    • Yourong JIANG
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    PEX EXPANSION TOOL
    • Publication number 20230256498
    • Publication date Aug 17, 2023
    • Milwaukee Electric Tool Corporation
    • James Wekwert
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TUBE EXPANSION TOOL
    • Publication number 20230226588
    • Publication date Jul 20, 2023
    • MAKITA CORPORATION
    • Koichi YAKABE
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    DEVICE FOR WORKING PIPES
    • Publication number 20230211402
    • Publication date Jul 6, 2023
    • SMI S.R.L. - SISTEMI MECCANICI INDUSTRIALI
    • Sergio Campeotto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    PEX EXPANSION TOOL
    • Publication number 20230201907
    • Publication date Jun 29, 2023
    • Milwaukee Electric Tool Corporation
    • Peter J. Davies
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    PIPE MACHINING APPARATUS
    • Publication number 20230201906
    • Publication date Jun 29, 2023
    • Noritz Corporation
    • Yoshinobu SHINOZAKI
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    PIPE EXPANDING TOOL
    • Publication number 20230141074
    • Publication date May 11, 2023
    • Makita Corporation
    • Koichi YAKABE
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR MOLDING SCREW THREAD OF METAL PIPE
    • Publication number 20230071809
    • Publication date Mar 9, 2023
    • KEYLEX CORPORATION
    • Hiroyuki OKAMURA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    HYDRAULIC TUBE EXPANDER AND METHOD OF USE
    • Publication number 20220288667
    • Publication date Sep 15, 2022
    • Diversitech Corporation
    • Joseph Houle
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    METHOD AND APPARATUS FOR CAN EXPANSION
    • Publication number 20220203430
    • Publication date Jun 30, 2022
    • Belvac Production Machinery, Inc.
    • Gerald Meador
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TUBING EXPANSION TOOLS AND SYSTEMS AND METHODS FOR LEAK DETECTION
    • Publication number 20220184685
    • Publication date Jun 16, 2022
    • Milwaukee Electric Tool Corporation
    • James WEKWERT
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    ELECTRIC PIPE EXPANDER, CHUCK STRUCTURE FOR ELECTRIC PIPE EXPANDER,...
    • Publication number 20220176437
    • Publication date Jun 9, 2022
    • Zhejiang Value Mechanical & Electrical Products Co., Ltd.
    • Yourong JIANG
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    METAL PIPE AND METHOD FOR MANUFACTURING METAL PIPE
    • Publication number 20220168795
    • Publication date Jun 2, 2022
    • JFE STEEL CORPORATION
    • Akihide MATSUMOTO
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    DIAMOND COATING ON THE CONE FOR EXPANDABLE TUBULARS
    • Publication number 20220134410
    • Publication date May 5, 2022
    • Saudi Arabian Oil Company
    • Jianhui Xu
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    APPARATUS FOR THE ORBITAL CUTTING AND CALIBRATION OF TUBES
    • Publication number 20220134403
    • Publication date May 5, 2022
    • BLM S.P.A.
    • Cristian VALSECCHI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    A FORMING DIE FOR FORMING AN END OF A TUBE AND A METHOD FOR FORMING...
    • Publication number 20220023927
    • Publication date Jan 27, 2022
    • Parker-Hannifin Corporation
    • Phillip A. LANDIS
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Flaring Tool And Method Of Flaring A Tube Or The Like
    • Publication number 20210402457
    • Publication date Dec 30, 2021
    • UNIWELD PRODUCTS, INC.
    • David S. Pearl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BEAD FORMING METHOD AND STRUCTURAL MEMBER
    • Publication number 20210379643
    • Publication date Dec 9, 2021
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Taiki YAMAKAWA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Pipe Flaring Device
    • Publication number 20210245228
    • Publication date Aug 12, 2021
    • YUNG CHI INDUSTRY CO., LTD.
    • WU SHENG HUANG
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TOOL DEVICE FOR EXPANDING THE END OF A TUBE
    • Publication number 20210170473
    • Publication date Jun 10, 2021
    • Uponor Innovation Ab
    • Vesa ROTSO
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SWAGE TOOL
    • Publication number 20210154725
    • Publication date May 27, 2021
    • Milwaukee Electric Tool Corporation
    • James O. Myrhum
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    HYDRAULIC TUBE EXPANDER AND METHOD OF USE
    • Publication number 20210101201
    • Publication date Apr 8, 2021
    • Diversitech Corporation
    • Joseph Houle
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Lubrication ring for a mechanical expander for sizing large pipes
    • Publication number 20210039154
    • Publication date Feb 11, 2021
    • SMS group GMBH
    • Sarah HORNICKEL
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    A DEVICE FOR EXPANDING AND SHAPING THE END OF PIPES AND AN EXTRACTI...
    • Publication number 20200391274
    • Publication date Dec 17, 2020
    • AQUATECHNIK GROUP S.P.A.
    • Lino Petena
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    PIPE ENLARGING DEVICE
    • Publication number 20200338621
    • Publication date Oct 29, 2020
    • YU-SHIANG HUANG
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    PIPE ENLARGING DEVICE
    • Publication number 20200338622
    • Publication date Oct 29, 2020
    • YU-SHIANG HUANG
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...