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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat exchanger

    • Patent number 5,871,045
    • Issue date Feb 16, 1999
    • BDAG Balcke-Durr Aktiengesellschaft
    • Markus Hirth
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger impingement protection

    • Patent number 4,142,578
    • Issue date Mar 6, 1979
    • Exxon Research and Engineering Co.
    • Hosea E. Smith
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3850231

    • Patent number 3,850,231
    • Issue date Nov 26, 1974
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3572430

    • Patent number 3,572,430
    • Issue date Mar 23, 1971
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3183967

    • Patent number 3,183,967
    • Issue date May 18, 1965
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2839276

    • Patent number 2,839,276
    • Issue date Jun 17, 1958
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2612350

    • Patent number 2,612,350
    • Issue date Sep 30, 1952
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1990251

    • Patent number 1,990,251
    • Issue date Feb 5, 1935
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1983194

    • Patent number 1,983,194
    • Issue date Dec 4, 1934
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1921278

    • Patent number 1,921,278
    • Issue date Aug 8, 1933
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1853628

    • Patent number 1,853,628
    • Issue date Apr 12, 1932
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1823800

    • Patent number 1,823,800
    • Issue date Sep 15, 1931
    • F22 - STEAM GENERATION
  • Information Patent Grant

    1740318

    • Patent number 1,740,318
    • Issue date Dec 17, 1929
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1737564

    • Patent number 1,737,564
    • Issue date Dec 3, 1929
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1648646

    • Patent number 1,648,646
    • Issue date Nov 8, 1927
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1597479

    • Patent number 1,597,479
    • Issue date Aug 24, 1926
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1562682

    • Patent number 1,562,682
    • Issue date Nov 24, 1925
    • F28 - HEAT EXCHANGE IN GENERAL