Steam tubes with steam flowing in opposite directions in one pipe

Patents Grantslast 30 patents

  • Information Patent Grant

    3887003

    • Patent number 3,887,003
    • Issue date Jun 3, 1975
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2232272

    • Patent number 2,232,272
    • Issue date Feb 18, 1941
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2001556

    • Patent number 2,001,556
    • Issue date May 14, 1935
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1379409

    • Patent number 1,379,409
    • Issue date May 24, 1921
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1332943

    • Patent number 1,332,943
    • Issue date Mar 9, 1920
    • F22 - STEAM GENERATION

Patents Applicationslast 30 patents