TREA

involving fixing closure members to the tubes

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  • CPC
  • B21D51/365
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL B21D51/00Making hollow objects

Current Industry

B21D51/365involving fixing closure members to the tubes
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Patents Grantslast 30 patents

  • Information Patent Grant

    2800702
    • Patent number 2,800,702
    • Issue date Jul 30, 1957
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2762544
    • Patent number 2,762,544
    • Issue date Sep 11, 1956
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2434832
    • Patent number 2,434,832
    • Issue date Jan 20, 1948
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2431279
    • Patent number 2,431,279
    • Issue date Nov 18, 1947
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2322885
    • Patent number 2,322,885
    • Issue date Jun 29, 1943
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2267015
    • Patent number 2,267,015
    • Issue date Dec 23, 1941
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2252532
    • Patent number 2,252,532
    • Issue date Aug 12, 1941
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2227440
    • Patent number 2,227,440
    • Issue date Jan 7, 1941
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2134119
    • Patent number 2,134,119
    • Issue date Oct 25, 1938
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2126814
    • Patent number 2,126,814
    • Issue date Aug 16, 1938
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1678463
    • Patent number 1,678,463
    • Issue date Jul 24, 1928
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents