At least one layer contains bituminous material [e.g., tar, pitch, asphalt, etc.]

Patents Grantslast 30 patents

  • Information Patent Grant

    Built-up roofing surfacing sheets and methods of manufacture

    • Patent number 8,334,224
    • Issue date Dec 18, 2012
    • Consolidated Fiberglass Products Company
    • Daron J. Thomas
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Built-up roofing surfacing sheets and methods of manufacture

    • Patent number 7,923,107
    • Issue date Apr 12, 2011
    • Consolidated Fiberglass Products Company
    • Daron J. Thomas
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Built-up roofing surfacing sheets and methods of manufacture

    • Patent number 7,923,108
    • Issue date Apr 12, 2011
    • Consolidated Fiberglass Products Company
    • Daron J. Thomas
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Fiber mat and process for making same

    • Patent number 7,268,091
    • Issue date Sep 11, 2007
    • Building Material Investment Corporation
    • Linlin Xing
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of manufacturing a composite shoddy

    • Patent number 7,264,685
    • Issue date Sep 4, 2007
    • International Automotive Components Group North America, Inc.
    • Jean-Jacques Katz
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Methods of re-coating and re-covering bitumen-based built-up roofin...

    • Patent number 6,360,511
    • Issue date Mar 26, 2002
    • W.P. Hickman Systems Inc.
    • Kenneth J. Brzozowski
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Coal tar impregnated reinforcement sheets

    • Patent number 6,127,292
    • Issue date Oct 3, 2000
    • W.P. Hickman Systems Inc.
    • Kenneth J. Brzozowski
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Built-up roofing systems and methods

    • Patent number 6,110,846
    • Issue date Aug 29, 2000
    • W.P. Hickman Systems Inc.
    • Kenneth J. Brzozowski
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    2930726

    • Patent number 2,930,726
    • Issue date Mar 29, 1960
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    2101874

    • Patent number 2,101,874
    • Issue date Dec 14, 1937
    • D03 - WEAVING
  • Information Patent Grant

    2035122

    • Patent number 2,035,122
    • Issue date Mar 24, 1936
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    1448386

    • Patent number 1,448,386
    • Issue date Mar 13, 1923
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1044558

    • Patent number 1,044,558
    • Issue date Nov 19, 1912
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    429885

    • Patent number 429,885
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    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Patents Applicationslast 30 patents