with rollers for expanding and flanging

Patents Grantslast 30 patents

  • 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

    Method and apparatus for making a collar to the end of a pipe

    • Patent number 9,162,265
    • Issue date Oct 20, 2015
    • T-SOLUTIONS OY
    • Eero Leppänen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tube expanding and flange-forming tool

    • Patent number 6,016,678
    • Issue date Jan 25, 2000
    • Cooper Technologies Company
    • Charles E. Diller
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tube expanding and flaring tool

    • Patent number 4,716,752
    • Issue date Jan 5, 1988
    • Dresser Industries, Inc.
    • Charles E. Diller
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tubing expander for boiler tubes or the like

    • Patent number 4,327,567
    • Issue date May 4, 1982
    • Dresser Industries, Inc.
    • Paul W. Martin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Expanding and beading apparatus for tubes and the like

    • Patent number 4,090,382
    • Issue date May 23, 1978
    • Thomas C. Wilson, Inc.
    • Donald E. Schott
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3353386

    • Patent number 3,353,386
    • Issue date Nov 21, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2854058

    • Patent number 2,854,058
    • Issue date Sep 30, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2840136

    • Patent number 2,840,136
    • Issue date Jun 24, 1958
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2804119

    • Patent number 2,804,119
    • Issue date Aug 27, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2526025

    • Patent number 2,526,025
    • Issue date Oct 17, 1950
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2190386

    • Patent number 2,190,386
    • Issue date Feb 13, 1940
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2085447

    • Patent number 2,085,447
    • Issue date Jun 29, 1937
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1944338

    • Patent number 1,944,338
    • Issue date Jan 23, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1747723

    • Patent number 1,747,723
    • Issue date Feb 18, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1747376

    • Patent number 1,747,376
    • Issue date Feb 18, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1744850

    • Patent number 1,744,850
    • Issue date Jan 28, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1596262

    • Patent number 1,596,262
    • Issue date Aug 17, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1412277

    • Patent number 1,412,277
    • Issue date Apr 11, 1922
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1412278

    • Patent number 1,412,278
    • Issue date Apr 11, 1922
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1404819

    • Patent number 1,404,819
    • Issue date Jan 31, 1922
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1323036

    • Patent number 1,323,036
    • Issue date Nov 25, 1919
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1323035

    • Patent number 1,323,035
    • Issue date Nov 25, 1919
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1312333

    • Patent number 1,312,333
    • Issue date Aug 5, 1919
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1244997

    • Patent number 1,244,997
    • Issue date Oct 30, 1917
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1232938

    • Patent number 1,232,938
    • Issue date Jul 10, 1917
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1153662

    • Patent number 1,153,662
    • Issue date Sep 14, 1915
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1142202

    • Patent number 1,142,202
    • Issue date Jun 8, 1915
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1108655

    • Patent number 1,108,655
    • Issue date Aug 25, 1914
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1077837

    • Patent number 1,077,837
    • Issue date Nov 4, 1913
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents