Gravitating tank

Patents Grantslast 30 patents

  • Information Patent Grant

    3888276

    • Patent number 3,888,276
    • Issue date Jun 10, 1975
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2416267

    • Patent number 2,416,267
    • Issue date Feb 18, 1947
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2236559

    • Patent number 2,236,559
    • Issue date Apr 1, 1941
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2149820

    • Patent number 2,149,820
    • Issue date Mar 7, 1939
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2137561

    • Patent number 2,137,561
    • Issue date Nov 22, 1938
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2090880

    • Patent number 2,090,880
    • Issue date Aug 24, 1937
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2055356

    • Patent number 2,055,356
    • Issue date Sep 22, 1936
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    2019461

    • Patent number 2,019,461
    • Issue date Oct 29, 1935
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    1983340

    • Patent number 1,983,340
    • Issue date Dec 4, 1934
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    1945429

    • Patent number 1,945,429
    • Issue date Jan 30, 1934
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    1788251

    • Patent number 1,788,251
    • Issue date Jan 6, 1931
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1482991

    • Patent number 1,482,991
    • Issue date Feb 5, 1924
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1371795

    • Patent number 1,371,795
    • Issue date Mar 15, 1921
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1327283

    • Patent number 1,327,283
    • Issue date Jan 6, 1920
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    595063

    • Patent number 595,063
    • Issue date Dec 7, 1897
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES