Walking beams

Patents Grantslast 30 patents

  • Information Patent Grant

    Continuous heat treatment furnace and heat treatment method

    • Patent number 7,645,136
    • Issue date Jan 12, 2010
    • NGK Insulators, Ltd.
    • Makoto Arai
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Furnace charger apparatus

    • Patent number 4,944,383
    • Issue date Jul 31, 1990
    • PRMG, Inc.
    • Peter Petrachkoff
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for the formation of separated rows of green bricks

    • Patent number 4,177,890
    • Issue date Dec 11, 1979
    • C. Keller GmbH u. Co. KG
    • Horst Steingrover
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3648861

    • Patent number 3,648,861
    • Issue date Mar 14, 1972
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3598376

    • Patent number 3,598,376
    • Issue date Aug 10, 1971
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    1641651

    • Patent number 1,641,651
    • Issue date Sep 6, 1927
    • F27 - FURNACES KILNS OVENS RETORTS

Patents Applicationslast 30 patents