Paper core

Patents Grantslast 30 patents

  • Information Patent Grant

    Food preparation mould

    • Patent number 7,913,970
    • Issue date Mar 29, 2011
    • Kent Paper Co. Pty. Ltd.
    • Barry K. Bennet
    • A21 - BAKING EDIBLE DOUGHS
  • Information Patent Grant

    Void forming core formwork for concrete beam

    • Patent number 7,353,641
    • Issue date Apr 8, 2008
    • Ecoboard Co., Ltd.
    • Hisafumi Yoshii
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Apparatus for forming voids under concrete floors

    • Patent number 6,116,568
    • Issue date Sep 12, 2000
    • Void Form International Ltd.
    • Michael L. Rosenblat
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Apparatus and method for supporting concrete beams, walls and the like

    • Patent number 6,050,043
    • Issue date Apr 18, 2000
    • Void Form International Ltd.
    • Michael L. Rosenblat
    • E04 - BUILDING
  • Information Patent Grant

    Core for use in die casting process

    • Patent number 6,029,738
    • Issue date Feb 29, 2000
    • Kioritz Corporation
    • Fujihiro Matuura
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Concrete forming member

    • Patent number 5,855,808
    • Issue date Jan 5, 1999
    • Damage Prevention Products Corp.
    • Frank B. DiBerardino
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of making a concrete column with a concrete column forming tube

    • Patent number 5,376,316
    • Issue date Dec 27, 1994
    • Sonoco Products Company
    • Emile E. A. J. Weekers
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Concrete column forming tube

    • Patent number 5,328,142
    • Issue date Jul 12, 1994
    • Sonoco Products Company
    • Emile E. A. J. Weekers
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Concrete column forming tube

    • Patent number 4,957,270
    • Issue date Sep 18, 1990
    • Sonoco Products Company
    • Tony F. Rummage
    • E04 - BUILDING
  • Information Patent Grant

    Concrete forming method

    • Patent number 4,876,054
    • Issue date Oct 24, 1989
    • Perma Tubes Ltd.
    • Paul Goodwin
    • E04 - BUILDING
  • Information Patent Grant

    Box void

    • Patent number 4,685,267
    • Issue date Aug 11, 1987
    • Deslauriers, Inc.
    • Gary L. Workman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Plastic lined paper form for casting concrete columns

    • Patent number 4,595,168
    • Issue date Jun 17, 1986
    • Perma Tubes Ltd.
    • Paul Goodwin
    • E04 - BUILDING
  • Information Patent Grant

    3562979

    • Patent number 3,562,979
    • Issue date Feb 16, 1971
    • E04 - BUILDING
  • Information Patent Grant

    3549116

    • Patent number 3,549,116
    • Issue date Dec 22, 1970
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3520509

    • Patent number 3,520,509
    • Issue date Jul 14, 1970
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3512747

    • Patent number 3,512,747
    • Issue date May 19, 1970
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3418695

    • Patent number 3,418,695
    • Issue date Dec 31, 1968
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3358960

    • Patent number 3,358,960
    • Issue date Dec 19, 1967
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3238278

    • Patent number 3,238,278
    • Issue date Mar 1, 1966
    • E04 - BUILDING
  • Information Patent Grant

    3148444

    • Patent number 3,148,444
    • Issue date Sep 15, 1964
    • E04 - BUILDING
  • Information Patent Grant

    3109217

    • Patent number 3,109,217
    • Issue date Nov 5, 1963
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3083409

    • Patent number 3,083,409
    • Issue date Apr 2, 1963
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3024513

    • Patent number 3,024,513
    • Issue date Mar 13, 1962
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2916909

    • Patent number 2,916,909
    • Issue date Dec 15, 1959
    • E04 - BUILDING
  • Information Patent Grant

    2892238

    • Patent number 2,892,238
    • Issue date Jun 30, 1959
    • E04 - BUILDING
  • Information Patent Grant

    2881501

    • Patent number 2,881,501
    • Issue date Apr 14, 1959
    • E04 - BUILDING
  • Information Patent Grant

    2870515

    • Patent number 2,870,515
    • Issue date Jan 27, 1959
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2866250

    • Patent number 2,866,250
    • Issue date Dec 30, 1958
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2823442

    • Patent number 2,823,442
    • Issue date Feb 18, 1958
    • E04 - BUILDING
  • Information Patent Grant

    2711001

    • Patent number 2,711,001
    • Issue date Jun 21, 1955
    • E04 - BUILDING

Patents Applicationslast 30 patents

  • Information Patent Application

    Food Preparation Mould

    • Publication number 20080111050
    • Publication date May 15, 2008
    • Geoffrey R. Hamblin
    • A21 - BAKING EDIBLE DOUGHS
  • Information Patent Application

    Formwork for concrete beam

    • Publication number 20050229536
    • Publication date Oct 20, 2005
    • ECOBOARD CO., LTD.
    • Hisafumi Yoshii
    • B28 - WORKING CEMENT, CLAY, OR STONE