Grooved drum surface

Patents Grantslast 30 patents

  • Information Patent Grant

    Heat transfer system

    • Patent number 4,371,032
    • Issue date Feb 1, 1983
    • Horace J. Buttner
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Dual scraped surface heat exchanger

    • Patent number 4,126,177
    • Issue date Nov 21, 1978
    • Chemetron Corporation
    • Robert L. Smith
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1408827

    • Patent number 1,408,827
    • Issue date Mar 7, 1922
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    1211252

    • Patent number 1,211,252
    • Issue date Jan 2, 1917
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    577733

    • Patent number 577,733
    • Issue date Feb 23, 1897
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    476518

    • Patent number 476,518
    • Issue date Jun 7, 1892
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES