including baffle

Patents Grantslast 30 patents

  • Information Patent Grant

    609595

    • Patent number 609,595
    • Issue date Aug 23, 1898
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    387750

    • Patent number 387,750
    • Issue date Aug 14, 1888
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    131875

    • Patent number 131,875
    • Issue date Oct 1, 1872
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    5679

    • Patent number 5,679
    • Issue date Jul 25, 1848
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents