TREA

made of masonry, concrete or other stone-like material; Insulating measures and joints therefor

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  • CPC
  • E04F17/023
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Parent Industries

EFIXED CONSTRUCTIONS E04Building E04FFINISHING WORK ON BUILDINGS E04F17/00Vertical ducts Channels

Current Industry

E04F17/023made of masonry, concrete or other stone-like material; Insulating measures and joints therefor
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Cast in place chimney form
    • Patent number 6,959,903
    • Issue date Nov 1, 2005
    • Albert C. West
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Modular chimney
    • Patent number 6,109,257
    • Issue date Aug 29, 2000
    • Deborah L. Hodge
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Chimney moisture seal
    • Patent number 5,832,682
    • Issue date Nov 10, 1998
    • William B. Hussel
    • E04 - BUILDING
  • Information Patent Grant

    Modular brick chimney unit
    • Patent number 4,962,621
    • Issue date Oct 16, 1990
    • Michael A. Pura
    • E04 - BUILDING
  • Information Patent Grant

    Vertically assembling box type blocks
    • Patent number 4,703,600
    • Issue date Nov 3, 1987
    • Kun H. Suh
    • E04 - BUILDING
  • Information Patent Grant

    2519301
    • Patent number 2,519,301
    • Issue date Aug 15, 1950
    • E04 - BUILDING
  • Information Patent Grant

    2455570
    • Patent number 2,455,570
    • Issue date Dec 7, 1948
    • E04 - BUILDING
  • Information Patent Grant

    2362833
    • Patent number 2,362,833
    • Issue date Nov 14, 1944
    • E04 - BUILDING
  • Information Patent Grant

    2219281
    • Patent number 2,219,281
    • Issue date Oct 29, 1940
    • E04 - BUILDING
  • Information Patent Grant

    1774065
    • Patent number 1,774,065
    • Issue date Aug 26, 1930
    • E04 - BUILDING
  • Information Patent Grant

    1571387
    • Patent number 1,571,387
    • Issue date Feb 2, 1926
    • E04 - BUILDING
  • Information Patent Grant

    1557274
    • Patent number 1,557,274
    • Issue date Oct 13, 1925
    • E04 - BUILDING
  • Information Patent Grant

    1468016
    • Patent number 1,468,016
    • Issue date Sep 18, 1923
    • E04 - BUILDING
  • Information Patent Grant

    1457454
    • Patent number 1,457,454
    • Issue date Jun 5, 1923
    • E04 - BUILDING
  • Information Patent Grant

    1418160
    • Patent number 1,418,160
    • Issue date May 30, 1922
    • E04 - BUILDING
  • Information Patent Grant

    1347980
    • Patent number 1,347,980
    • Issue date Jul 27, 1920
    • E04 - BUILDING
  • Information Patent Grant

    1278263
    • Patent number 1,278,263
    • Issue date Sep 10, 1918
    • E04 - BUILDING
  • Information Patent Grant

    1226684
    • Patent number 1,226,684
    • Issue date May 22, 1917
    • E04 - BUILDING
  • Information Patent Grant

    1209935
    • Patent number 1,209,935
    • Issue date Dec 26, 1916
    • E04 - BUILDING
  • Information Patent Grant

    1058949
    • Patent number 1,058,949
    • Issue date Apr 15, 1913
    • E04 - BUILDING
  • Information Patent Grant

    902706
    • Patent number 902,706
    • Issue date Nov 3, 1908
    • E04 - BUILDING
  • Information Patent Grant

    870780
    • Patent number 870,780
    • Issue date Nov 12, 1907
    • E04 - BUILDING
  • Information Patent Grant

    843797
    • Patent number 843,797
    • Issue date Feb 12, 1907
    • E04 - BUILDING
  • Information Patent Grant

    827589
    • Patent number 827,589
    • Issue date Jul 31, 1906
    • E04 - BUILDING
  • Information Patent Grant

    648726
    • Patent number 648,726
    • Issue date May 1, 1900
    • E04 - BUILDING
  • Information Patent Grant

    546502
    • Patent number 546,502
    • Issue date Sep 17, 1895
    • E04 - BUILDING
  • Information Patent Grant

    527256
    • Patent number 527,256
    • Issue date Oct 9, 1894
    • E04 - BUILDING
  • Information Patent Grant

    516966
    • Patent number 516,966
    • Issue date Mar 20, 1894
    • E04 - BUILDING
  • Information Patent Grant

    494036
    • Patent number 494,036
    • Issue date Mar 21, 1893
    • E04 - BUILDING
  • Information Patent Grant

    95425
    • Patent number 95,425
    • Issue date Oct 5, 1869
    • E04 - BUILDING

Patents Applicationslast 30 patents