Use of a pinion and a rack

Patents Grantslast 30 patents

  • Information Patent Grant

    Delivery device for blast furnace

    • Patent number 11,566,844
    • Issue date Jan 31, 2023
    • Danieli & C. Officine Meccaniche SpA
    • Angelico Della Negra
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    3854863

    • Patent number 3,854,863
    • Issue date Dec 17, 1974
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    2037554

    • Patent number 2,037,554
    • Issue date Apr 14, 1936
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    1348510

    • Patent number 1,348,510
    • Issue date Aug 3, 1920
    • F27 - FURNACES KILNS OVENS RETORTS