Designed for thermal distortion

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing a sacrificial limb for a deck plank

    • Patent number 6,423,257
    • Issue date Jul 23, 2002
    • TimberTech Limited
    • Philip H. Stobart
    • E04 - BUILDING
  • Information Patent Grant

    Lift door panel

    • Patent number 6,381,917
    • Issue date May 7, 2002
    • Inventio AG
    • Frank Thielow
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Fire-rated drywall suspension system

    • Patent number 5,363,622
    • Issue date Nov 15, 1994
    • Armstrong World Industries, Inc.
    • Gale E. Sauer
    • E04 - BUILDING
  • Information Patent Grant

    Lanced fire-rated runner

    • Patent number 5,349,803
    • Issue date Sep 27, 1994
    • Armstrong World Industries, Inc.
    • Ernest B. Nute
    • E04 - BUILDING
  • Information Patent Grant

    Prenotched fire-rated runner

    • Patent number 5,347,783
    • Issue date Sep 20, 1994
    • Armstrong World Industries, Inc.
    • Sandor A. Frecska
    • E04 - BUILDING
  • Information Patent Grant

    Fire-rated runner

    • Patent number 5,313,750
    • Issue date May 24, 1994
    • Armstrong World Industries, Inc.
    • Sandor A. Frecska
    • E04 - BUILDING
  • Information Patent Grant

    Fire strip construction

    • Patent number 4,916,877
    • Issue date Apr 17, 1990
    • National Rolling Mills, Inc.
    • William J. Platt
    • E04 - BUILDING
  • Information Patent Grant

    Fire expansion joint for ceiling runner

    • Patent number 4,893,444
    • Issue date Jan 16, 1990
    • Armstrong World Industries, Inc.
    • James C. Ollinger
    • E04 - BUILDING
  • Information Patent Grant

    Drywall furring system

    • Patent number 4,866,900
    • Issue date Sep 19, 1989
    • Chicago Metallic Corporation
    • James J. Dunn
    • E04 - BUILDING
  • Information Patent Grant

    Fire strip

    • Patent number 4,864,791
    • Issue date Sep 12, 1989
    • National Rolling Mills, Inc.
    • William J. Platt
    • E04 - BUILDING
  • Information Patent Grant

    Movable wall assembly

    • Patent number 4,835,923
    • Issue date Jun 6, 1989
    • Robert Ybarra
    • E04 - BUILDING
  • Information Patent Grant

    Fire-rated main runner

    • Patent number 4,785,595
    • Issue date Nov 22, 1988
    • Chicago Metallic Corporation
    • James J. Dunn
    • E04 - BUILDING
  • Information Patent Grant

    Laser welded ceiling grid members

    • Patent number 4,713,919
    • Issue date Dec 22, 1987
    • National Rolling Mills Inc.
    • William J. Platt
    • E04 - BUILDING
  • Information Patent Grant

    Main beam for ceiling panel suspension system

    • Patent number 4,685,262
    • Issue date Aug 11, 1987
    • Consolidated Systems, Inc.
    • Thomas C. Meredith
    • E04 - BUILDING
  • Information Patent Grant

    Grid connectors for suspension ceiling

    • Patent number 4,621,474
    • Issue date Nov 11, 1986
    • Donn Incorporated
    • Robert F. Worley
    • E04 - BUILDING
  • Information Patent Grant

    Fire-rated beam with expansion relief section

    • Patent number 4,606,166
    • Issue date Aug 19, 1986
    • National Rolling Mills Inc.
    • William J. Platt
    • E04 - BUILDING
  • Information Patent Grant

    Suspended ceiling system

    • Patent number 4,601,153
    • Issue date Jul 22, 1986
    • Chicago Metallic Corporation
    • James J. Dunn
    • E04 - BUILDING
  • Information Patent Grant

    Suspension ceiling grid runner with expansion means

    • Patent number 4,598,514
    • Issue date Jul 8, 1986
    • Donn Incorporated
    • Richard Shirey
    • E04 - BUILDING
  • Information Patent Grant

    Suspended ceiling system

    • Patent number 4,525,973
    • Issue date Jul 2, 1985
    • Chicago Metallic Corporation
    • Ronald W. Vukmanic
    • E04 - BUILDING
  • Information Patent Grant

    Fire rated ceiling

    • Patent number 4,257,206
    • Issue date Mar 24, 1981
    • Donn Incorporated
    • David F. Mieyal
    • E04 - BUILDING
  • Information Patent Grant

    Passive fire protection system

    • Patent number 4,220,685
    • Issue date Sep 2, 1980
    • Grumman Aerospace Corporation
    • Edward G. Markow
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Suspended ceiling system

    • Patent number 4,208,851
    • Issue date Jun 24, 1980
    • Roblin Industries, Inc.
    • Gale E. Sauer
    • E04 - BUILDING
  • Information Patent Grant

    Controlled expansion suspended ceiling grid beam

    • Patent number 4,128,978
    • Issue date Dec 12, 1978
    • Ceiling & Drywall Products Limited
    • John O. Beynon
    • E04 - BUILDING
  • Information Patent Grant

    Object supports

    • Patent number 4,119,302
    • Issue date Oct 10, 1978
    • Philip A. Moroco
    • E04 - BUILDING
  • Information Patent Grant

    Controlled expansion suspended ceiling grid member

    • Patent number 4,016,701
    • Issue date Apr 12, 1977
    • Ceiling and Drywall Products Limited
    • John O. Beynon
    • E04 - BUILDING
  • Information Patent Grant

    Fire rated grid-member with controlled expansion means

    • Patent number 3,965,631
    • Issue date Jun 29, 1976
    • Roblin Hope's Industries, Inc.
    • Gale E. Sauer
    • E04 - BUILDING
  • Information Patent Grant

    Fire rated grid

    • Patent number 3,965,632
    • Issue date Jun 29, 1976
    • Questor Corporation
    • Donald L. Rousey
    • E04 - BUILDING
  • Information Patent Grant

    3846031

    • Patent number 3,846,031
    • Issue date Nov 5, 1974
    • E04 - BUILDING
  • Information Patent Grant

    3807111

    • Patent number 3,807,111
    • Issue date Apr 30, 1974
    • E04 - BUILDING
  • Information Patent Grant

    3789566

    • Patent number 3,789,566
    • Issue date Feb 5, 1974
    • E04 - BUILDING

Patents Applicationslast 30 patents