TREA

for smoothing, roughening, corrugating or for removing burr

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  • CPC
  • B28B21/96
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B28Stoneworking B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL B28B21/00Methods or machines specially adapted for the production of tubular articles

Current Industry

B28B21/96for smoothing, roughening, corrugating or for removing burr
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Concrete roller head
    • Patent number 8,979,520
    • Issue date Mar 17, 2015
    • Hawkeye Concrete Products Co.
    • Claudio Subacchi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Slip-cast ceramic component and a process for its production
    • Patent number 5,185,113
    • Issue date Feb 9, 1993
    • Bayer Aktiengesellschaft
    • Johannes Seyer
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Machine grooved joint on hollow concrete cylinders
    • Patent number 4,109,635
    • Issue date Aug 29, 1978
    • John C. Rossborough
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Facing ring and pouring chute for vertically cast concrete pipe
    • Patent number 3,942,936
    • Issue date Mar 9, 1976
    • Ameron, Inc.
    • Frank M. Wells
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3743470
    • Patent number 3,743,470
    • Issue date Jul 3, 1973
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3106006
    • Patent number 3,106,006
    • Issue date Oct 8, 1963
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2984886
    • Patent number 2,984,886
    • Issue date May 23, 1961
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2768521
    • Patent number 2,768,521
    • Issue date Oct 30, 1956
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2713189
    • Patent number 2,713,189
    • Issue date Jul 19, 1955
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2630613
    • Patent number 2,630,613
    • Issue date Mar 10, 1953
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2629252
    • Patent number 2,629,252
    • Issue date Feb 24, 1953
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2541570
    • Patent number 2,541,570
    • Issue date Feb 13, 1951
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2451713
    • Patent number 2,451,713
    • Issue date Oct 19, 1948
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2291899
    • Patent number 2,291,899
    • Issue date Aug 4, 1942
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2044178
    • Patent number 2,044,178
    • Issue date Jun 16, 1936
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2001316
    • Patent number 2,001,316
    • Issue date May 14, 1935
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1921544
    • Patent number 1,921,544
    • Issue date Aug 8, 1933
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1547959
    • Patent number 1,547,959
    • Issue date Jul 28, 1925
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1411533
    • Patent number 1,411,533
    • Issue date Apr 4, 1922
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1411535
    • Patent number 1,411,535
    • Issue date Apr 4, 1922
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

  • Information Patent Application

    CONCRETE ROLLER HEAD
    • Publication number 20130302462
    • Publication date Nov 14, 2013
    • Hawkeye Concrete Products Co.
    • Claudio SUBACCHI
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    Peeling apparatus of extrusion material batch
    • Publication number 20030000059
    • Publication date Jan 2, 2003
    • NGK Insulators, Ltd.
    • Koji Yokoi
    • B28 - WORKING CEMENT, CLAY, OR STONE