TREA

Machines working with hammers

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Industry

  • CPC
  • B21K1/48
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21KMAKING FORGED OR PRESSED METAL PRODUCTS B21K1/00Making machine elements

Current Industry

B21K1/48Machines working with hammers
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Enlarged head fastener device and method of manufacture
    • Patent number 10,473,134
    • Issue date Nov 12, 2019
    • SR Systems, LLC
    • Van T. Walworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Combination of screw and screw driver bit and header punch for its...
    • Patent number 6,886,433
    • Issue date May 3, 2005
    • Katsuyuki Totsu
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2790188
    • Patent number 2,790,188
    • Issue date Apr 30, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2024593
    • Patent number 2,024,593
    • Issue date Dec 17, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2006852
    • Patent number 2,006,852
    • Issue date Jul 2, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1977164
    • Patent number 1,977,164
    • Issue date Oct 16, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1957924
    • Patent number 1,957,924
    • Issue date May 8, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1934752
    • Patent number 1,934,752
    • Issue date Nov 14, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1027383
    • Patent number 1,027,383
    • Issue date May 21, 1912
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents