TREA

Linings

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  • CPC
  • D21C7/04
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Parent Industries

DTEXTILES PAPER D21Papermaking D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR D21C7/00Digesters

Current Industry

D21C7/04Linings
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Discharge valve with a detachable inner lining
    • Patent number 10,221,524
    • Issue date Mar 5, 2019
    • Valmet AB
    • Örjan Ahlgren
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3202486
    • Patent number 3,202,486
    • Issue date Aug 24, 1965
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2950757
    • Patent number 2,950,757
    • Issue date Aug 30, 1960
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2694632
    • Patent number 2,694,632
    • Issue date Nov 16, 1954
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2022378
    • Patent number 2,022,378
    • Issue date Nov 26, 1935
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1996859
    • Patent number 1,996,859
    • Issue date Apr 9, 1935
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1932457
    • Patent number 1,932,457
    • Issue date Oct 31, 1933
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1911608
    • Patent number 1,911,608
    • Issue date May 30, 1933
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1860477
    • Patent number 1,860,477
    • Issue date May 31, 1932
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1841752
    • Patent number 1,841,752
    • Issue date Jan 19, 1932
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1444467
    • Patent number 1,444,467
    • Issue date Feb 6, 1923
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1279978
    • Patent number 1,279,978
    • Issue date Sep 24, 1918
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1175770
    • Patent number 1,175,770
    • Issue date Mar 14, 1916
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    690135
    • Patent number 690,135
    • Issue date Dec 31, 1901
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents