Rotary heat exchange scraper or scraper for rotary heat exchange surface

Patents Grantslast 30 patents

  • Information Patent Grant

    3799252

    • Patent number 3,799,252
    • Issue date Mar 26, 1974
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1891705

    • Patent number 1,891,705
    • Issue date Dec 20, 1932
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1740064

    • Patent number 1,740,064
    • Issue date Dec 17, 1929
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    1417847

    • Patent number 1,417,847
    • Issue date May 30, 1922
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    1204317

    • Patent number 1,204,317
    • Issue date Nov 7, 1916
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1163426

    • Patent number 1,163,426
    • Issue date Dec 7, 1915
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    1155680

    • Patent number 1,155,680
    • Issue date Oct 5, 1915
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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    1119707

    • Patent number 1,119,707
    • Issue date Dec 1, 1914
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    1065829

    • Patent number 1,065,829
    • Issue date Jun 24, 1913
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    979823

    • Patent number 979,823
    • Issue date Dec 27, 1910
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    967221

    • Patent number 967,221
    • Issue date Aug 16, 1910
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    896077

    • Patent number 896,077
    • Issue date Aug 18, 1908
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    772488

    • Patent number 772,488
    • Issue date Oct 18, 1904
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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    626759

    • Patent number 626,759
    • Issue date Jun 13, 1899
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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    614607

    • Patent number 614,607
    • Issue date Nov 22, 1898
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    603086

    • Patent number 603,086
    • Issue date Apr 26, 1898
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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    603085

    • Patent number 603,085
    • Issue date Apr 26, 1898
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    582996

    • Patent number 582,996
    • Issue date May 18, 1897
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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    516145

    • Patent number 516,145
    • Issue date Mar 6, 1894
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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    493906

    • Patent number 493,906
    • Issue date Mar 21, 1893
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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    491650

    • Patent number 491,650
    • Issue date Feb 14, 1893
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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    464169

    • Patent number 464,169
    • Issue date Dec 1, 1891
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    462696

    • Patent number 462,696
    • Issue date Nov 10, 1891
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    461397

    • Patent number 461,397
    • Issue date Oct 13, 1891
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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    449434

    • Patent number 449,434
    • Issue date Mar 31, 1891
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    445072

    • Patent number 445,072
    • Issue date Jan 20, 1891
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    402968

    • Patent number 402,968
    • Issue date May 7, 1889
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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    317060

    • Patent number 317,060
    • Issue date May 5, 1885
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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    119136

    • Patent number 119,136
    • Issue date Sep 19, 1871
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    60382

    • Patent number 60,382
    • Issue date Dec 11, 1866
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES