TREA

using tensioned springs

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Industry

  • CPC
  • A47C23/12
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Parent Industries

AHUMAN NECESSITIES A47Furniture A47CCHAIRS SOFAS BEDS A47C23/00Spring mattresses with rigid frame or forming part of the bedstead Divan bases; Slatted bed bases

Current Industry

A47C23/12using tensioned springs
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-stable compliant-mechanism mattress for bed sore prevention
    • Patent number 12,016,811
    • Issue date Jun 25, 2024
    • The Regents of the University of California
    • Jonathan Hopkins
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Mattress including flat springs
    • Patent number 9,901,185
    • Issue date Feb 27, 2018
    • Dreamwell, Ltd.
    • Michael S. DeFranks
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Plunger matrix mattress assemblies
    • Patent number 9,314,108
    • Issue date Apr 19, 2016
    • Dreamwell, Ltd.
    • Michael S. DeFranks
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Modular plunger matrix mattress
    • Patent number 9,314,109
    • Issue date Apr 19, 2016
    • Dreamwell, Ltd.
    • Craig Saunders
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Folding plunger matrix mattress
    • Patent number 9,259,097
    • Issue date Feb 16, 2016
    • Dreamwell, Ltd.
    • Craig Saunders
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Plunger for a plunger matrix mattress
    • Patent number 9,226,591
    • Issue date Jan 5, 2016
    • Dreamwell, Ltd.
    • Michael S. DeFranks
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Dual-spring plunger for a plunger matrix mattress
    • Patent number 9,119,478
    • Issue date Sep 1, 2015
    • Dreamwell, Ltd.
    • Michael S. DeFranks
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Automated sleep system
    • Patent number 7,676,872
    • Issue date Mar 16, 2010
    • Paul Block
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Tensioned bed
    • Patent number 4,807,314
    • Issue date Feb 28, 1989
    • Steven A. Fry
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Support web
    • Patent number 4,339,488
    • Issue date Jul 13, 1982
    • Manfred Brokmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Cushion support element
    • Patent number 4,172,589
    • Issue date Oct 30, 1979
    • Youngflex S.A.
    • David T. Griffiths
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3838469
    • Patent number 3,838,469
    • Issue date Oct 1, 1974
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3802005
    • Patent number 3,802,005
    • Issue date Apr 9, 1974
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3784992
    • Patent number 3,784,992
    • Issue date Jan 15, 1974
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3546724
    • Patent number 3,546,724
    • Issue date Dec 15, 1970
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    2577685
    • Patent number 2,577,685
    • Issue date Dec 4, 1951
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    1936720
    • Patent number 1,936,720
    • Issue date Nov 28, 1933
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    1618579
    • Patent number 1,618,579
    • Issue date Feb 22, 1927
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    1414471
    • Patent number 1,414,471
    • Issue date May 2, 1922
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    1387388
    • Patent number 1,387,388
    • Issue date Aug 9, 1921
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    APPARATUS WITH A REPEATING TRAPEZOIDAL MECHANISM THAT ENABLES AN AL...
    • Publication number 20240398643
    • Publication date Dec 5, 2024
    • The Regents of the University of California
    • Jonathan Hopkins
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    MATTRESS INCLUDING FLAT SPRINGS
    • Publication number 20150216317
    • Publication date Aug 6, 2015
    • Dreamwell, Ltd.
    • Michael S. DeFranks
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    PLUNGER FOR A PLUNGER MATRIX MATTRESS
    • Publication number 20140137337
    • Publication date May 22, 2014
    • Dreamwell, Ltd.
    • Michael S. DeFranks
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    PLUNGER MATRIX MATTRESS ASSEMBLIES
    • Publication number 20140137333
    • Publication date May 22, 2014
    • Dreamwell, Ltd.
    • Michael S. DeFranks
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    FOLDING PLUNGER MATRIX MATTRESS
    • Publication number 20140137335
    • Publication date May 22, 2014
    • Dreamwell, Ltd.
    • Craig Saunders
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    MODULAR PLUNGER MATRIX MATTRESS
    • Publication number 20140137334
    • Publication date May 22, 2014
    • Dreamwell, Ltd.
    • Craig Saunders
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    DUAL-SPRING PLUNGER FOR A PLUNGER MATRIX MATTRESS
    • Publication number 20140137336
    • Publication date May 22, 2014
    • Dreamwell, Ltd.
    • Michael S. DeFranks
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Automated sleep system
    • Publication number 20070239370
    • Publication date Oct 11, 2007
    • Paul Block
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Futon furniture frame having a single panel of elastomeric support...
    • Publication number 20020145320
    • Publication date Oct 10, 2002
    • Bernhard Zeiler
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Fabric for use in a piece of furniture
    • Publication number 20020043867
    • Publication date Apr 18, 2002
    • Clarissa Dorette Lessmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...