TREA

Sand traps

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Industry

  • CPC
  • D21F1/62
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Parent Industries

DTEXTILES PAPER D21Papermaking D21FPAPER-MAKING MACHINES METHODS OF PRODUCING PAPER THEREON D21F1/00Wet end of machines for making continuous webs of paper

Current Industry

D21F1/62Sand traps
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Sand separator vessel perforated replaceable insert apparatus and m...
    • Patent number 10,207,279
    • Issue date Feb 19, 2019
    • Andritz Inc.
    • Tyson B. Hunt
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Separation of dense impurities from a fluid
    • Patent number 4,280,902
    • Issue date Jul 28, 1981
    • Kamyr Aktiebolag
    • Finn Jacobsen
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2927693
    • Patent number 2,927,693
    • Issue date Mar 8, 1960
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2394378
    • Patent number 2,394,378
    • Issue date Feb 5, 1946
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2386632
    • Patent number 2,386,632
    • Issue date Oct 9, 1945
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2070742
    • Patent number 2,070,742
    • Issue date Feb 16, 1937
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1935461
    • Patent number 1,935,461
    • Issue date Nov 14, 1933
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1846522
    • Patent number 1,846,522
    • Issue date Feb 23, 1932
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1548971
    • Patent number 1,548,971
    • Issue date Aug 11, 1925
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1492795
    • Patent number 1,492,795
    • Issue date May 6, 1924
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1333287
    • Patent number 1,333,287
    • Issue date Mar 9, 1920
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE