TREA

Beaters with two or more beater rolls

Follow

Industry

  • CPC
  • D21D1/18
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

DTEXTILES PAPER D21Papermaking D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE D21D1/00Methods of beating or refining Beaters of the Hollander type

Current Industry

D21D1/18Beaters with two or more beater rolls
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Defibration processing device, and fibrous feedstock recycling device
    • Patent number 11,261,565
    • Issue date Mar 1, 2022
    • Seiko Epson Corporation
    • Keigo Yamasaki
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2356555
    • Patent number 2,356,555
    • Issue date Aug 22, 1944
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2260198
    • Patent number 2,260,198
    • Issue date Oct 21, 1941
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2125820
    • Patent number 2,125,820
    • Issue date Aug 2, 1938
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1959902
    • Patent number 1,959,902
    • Issue date May 22, 1934
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1955758
    • Patent number 1,955,758
    • Issue date Apr 24, 1934
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1937156
    • Patent number 1,937,156
    • Issue date Nov 28, 1933
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1679056
    • Patent number 1,679,056
    • Issue date Jul 31, 1928
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1614486
    • Patent number 1,614,486
    • Issue date Jan 18, 1927
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1595448
    • Patent number 1,595,448
    • Issue date Aug 10, 1926
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1588044
    • Patent number 1,588,044
    • Issue date Jun 8, 1926
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1528201
    • Patent number 1,528,201
    • Issue date Mar 3, 1925
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1491826
    • Patent number 1,491,826
    • Issue date Apr 29, 1924
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1419847
    • Patent number 1,419,847
    • Issue date Jun 13, 1922
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1351962
    • Patent number 1,351,962
    • Issue date Sep 7, 1920
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents