spades shovels

Industry

  • CPC
  • B21K11/12
This industry / category may be too specific. Please go to a parent level for more data

Current Industry

Patents Grantslast 30 patents

  • Information Patent Grant

    Earth working sweep

    • Patent number 6,508,147
    • Issue date Jan 21, 2003
    • Douglas G. Bruce
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Method of making an earth tilling sweep from disc scrap

    • Patent number 6,119,321
    • Issue date Sep 19, 2000
    • Douglas G. Bruce
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2410784

    • Patent number 2,410,784
    • Issue date Nov 5, 1946
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2344803

    • Patent number 2,344,803
    • Issue date Mar 21, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1616273

    • Patent number 1,616,273
    • Issue date Feb 1, 1927
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1615326

    • Patent number 1,615,326
    • Issue date Jan 25, 1927
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1614498

    • Patent number 1,614,498
    • Issue date Jan 18, 1927
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1608729

    • Patent number 1,608,729
    • Issue date Nov 30, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1579027

    • Patent number 1,579,027
    • Issue date Mar 30, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Earth working sweep

    • Publication number 20030010157
    • Publication date Jan 16, 2003
    • Douglas G. Bruce
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...