the charge going in one direction in one chamber, then after a turn coming back in the other direction in the other chamber

Patents Grantslast 30 patents

  • Information Patent Grant

    3588061

    • Patent number 3,588,061
    • Issue date Jun 28, 1971
    • F26 - DRYING
  • Information Patent Grant

    3396953

    • Patent number 3,396,953
    • Issue date Aug 13, 1968
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    3097833

    • Patent number 3,097,833
    • Issue date Jul 16, 1963
    • F27 - FURNACES KILNS OVENS RETORTS

Patents Applicationslast 30 patents