TREA

plough blades ploughshares

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Industry

  • CPC
  • B21K19/02
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21KMAKING FORGED OR PRESSED METAL PRODUCTS B21K19/00Making articles for agricultural machinery

Current Industry

B21K19/02plough blades ploughshares
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2662268
    • Patent number 2,662,268
    • Issue date Dec 15, 1953
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2636256
    • Patent number 2,636,256
    • Issue date Apr 28, 1953
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2593139
    • Patent number 2,593,139
    • Issue date Apr 15, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2400894
    • Patent number 2,400,894
    • Issue date May 28, 1946
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2147882
    • Patent number 2,147,882
    • Issue date Feb 21, 1939
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2047293
    • Patent number 2,047,293
    • Issue date Jul 14, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1398762
    • Patent number 1,398,762
    • Issue date Nov 29, 1921
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    598457
    • Patent number 598,457
    • Issue date Feb 1, 1898
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    189150
    • Patent number 189,150
    • Issue date Apr 3, 1877
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents