TREA

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Industry

  • CPC
  • E04D2013/044
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Parent Industries

EFIXED CONSTRUCTIONS E04Building E04DROOF COVERINGS SKY-LIGHTS GUTTERS ROOF-WORKING TOOLS

Current Industry

E04D2013/044on multiple levels
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing ring and assembly of ducts including said ring
    • Patent number 10,858,835
    • Issue date Dec 8, 2020
    • Gérard Iftissen
    • E04 - BUILDING
  • Information Patent Grant

    Double-level drainage system for flat roofs
    • Patent number 5,144,782
    • Issue date Sep 8, 1992
    • Jean-Paul Paquette
    • E04 - BUILDING
  • Information Patent Grant

    Roof drain
    • Patent number 4,230,346
    • Issue date Oct 28, 1980
    • Klaus Gobel
    • E04 - BUILDING
  • Information Patent Grant

    3909412
    • Patent number 3,909,412
    • Issue date Sep 30, 1975
    • E04 - BUILDING
  • Information Patent Grant

    2765865
    • Patent number 2,765,865
    • Issue date Oct 9, 1956
    • E04 - BUILDING
  • Information Patent Grant

    1991130
    • Patent number 1,991,130
    • Issue date Feb 12, 1935
    • E04 - BUILDING
  • Information Patent Grant

    1973304
    • Patent number 1,973,304
    • Issue date Sep 11, 1934
    • E04 - BUILDING
  • Information Patent Grant

    1830065
    • Patent number 1,830,065
    • Issue date Nov 3, 1931
    • E04 - BUILDING
  • Information Patent Grant

    1739067
    • Patent number 1,739,067
    • Issue date Dec 10, 1929
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    1706079
    • Patent number 1,706,079
    • Issue date Mar 19, 1929
    • E04 - BUILDING
  • Information Patent Grant

    1690630
    • Patent number 1,690,630
    • Issue date Nov 6, 1928
    • E04 - BUILDING