Fluid impeller or material advancer

Patents Grantslast 30 patents

  • Information Patent Grant

    3921709

    • Patent number 3,921,709
    • Issue date Nov 25, 1975
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3613777

    • Patent number 3,613,777
    • Issue date Oct 19, 1971
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3612168

    • Patent number 3,612,168
    • Issue date Oct 12, 1971
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3612169

    • Patent number 3,612,169
    • Issue date Oct 12, 1971
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3500901

    • Patent number 3,500,901
    • Issue date Mar 17, 1970
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3473603

    • Patent number 3,473,603
    • Issue date Oct 21, 1969
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3426838

    • Patent number 3,426,838
    • Issue date Feb 11, 1969
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3424234

    • Patent number 3,424,234
    • Issue date Jan 28, 1969
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3391733

    • Patent number 3,391,733
    • Issue date Jul 9, 1968
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3363676

    • Patent number 3,363,676
    • Issue date Jan 16, 1968
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3151669

    • Patent number 3,151,669
    • Issue date Oct 6, 1964
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2902263

    • Patent number 2,902,263
    • Issue date Sep 1, 1959
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2660408

    • Patent number 2,660,408
    • Issue date Nov 24, 1953
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2551748

    • Patent number 2,551,748
    • Issue date May 8, 1951
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1945333

    • Patent number 1,945,333
    • Issue date Jan 30, 1934
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    1694452

    • Patent number 1,694,452
    • Issue date Dec 11, 1928
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    1578205

    • Patent number 1,578,205
    • Issue date Mar 23, 1926
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1511421

    • Patent number 1,511,421
    • Issue date Oct 14, 1924
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    1454315

    • Patent number 1,454,315
    • Issue date May 8, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1417037

    • Patent number 1,417,037
    • Issue date May 23, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1224981

    • Patent number 1,224,981
    • Issue date May 8, 1917
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    1080454

    • Patent number 1,080,454
    • Issue date Dec 2, 1913
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1080455

    • Patent number 1,080,455
    • Issue date Dec 2, 1913
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    943294

    • Patent number 943,294
    • Issue date Dec 14, 1909
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    916532

    • Patent number 916,532
    • Issue date Mar 30, 1909
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    882706

    • Patent number 882,706
    • Issue date Mar 24, 1908
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    874598

    • Patent number 874,598
    • Issue date Dec 24, 1907
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    869978

    • Patent number 869,978
    • Issue date Nov 5, 1907
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    676070

    • Patent number 676,070
    • Issue date Jun 11, 1901
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    674353

    • Patent number 674,353
    • Issue date May 14, 1901
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents