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Jonathan H. Alexander

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  • Roseville, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic articles and methods thereof
    • Patent number 12,198,667
    • Issue date Jan 14, 2025
    • 3M Innovative Properties Compnay
    • Michelle M. Mok
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Acoustic article and related methods
    • Patent number 12,033,607
    • Issue date Jul 9, 2024
    • 3M Innovative Properties Company
    • Seungkyu Lee
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Non-woven fibrous web and methods thereof
    • Patent number 12,012,680
    • Issue date Jun 18, 2024
    • 3M Innovative Properties Company
    • Jinzhang You
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Microperforated conduit
    • Patent number 11,402,123
    • Issue date Aug 2, 2022
    • 3M Innovative Properties Company
    • Seungkyu Lee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multilayer damping material
    • Patent number 11,199,235
    • Issue date Dec 14, 2021
    • 3M Innovative Properties Company
    • Jonathan H. Alexander
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Acoustic device
    • Patent number 10,352,210
    • Issue date Jul 16, 2019
    • 3M Innovative Properties Company
    • Thomas P. Hanschen
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Acoustic composite
    • Patent number 8,381,872
    • Issue date Feb 26, 2013
    • 3M Innovative Properties Company
    • Jonathan H. Alexander
    • E04 - BUILDING
  • Information Patent Grant

    Structured films having acoustical absorbance properties
    • Patent number 8,367,184
    • Issue date Feb 5, 2013
    • 3M Innovative Properties Company
    • David F. Slama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Fibrous nonwoven web
    • Patent number 7,476,632
    • Issue date Jan 13, 2009
    • 3M Innovative Properties Company
    • David A. Olson
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Prediction and optimization method for homogeneous porous material...
    • Patent number 6,256,600
    • Issue date Jul 3, 2001
    • 3M Innovative Properties Company
    • John Stuart Bolton
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    ACOUSTIC ARTICLES AND METHODS OF MAKING THE SAME
    • Publication number 20240379087
    • Publication date Nov 14, 2024
    • Nicole D. Petkovich
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ACOUSTIC ARTICLES AND ASSEMBLIES
    • Publication number 20230395056
    • Publication date Dec 7, 2023
    • 3M Innovative Properties Company
    • Nicole D. Petkovich
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    NOISE-RESISTANT ASSEMBLIES
    • Publication number 20230112198
    • Publication date Apr 13, 2023
    • 3M Innovative Properties Company
    • Taewook Yoo
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Acoustic Articles and Methods Thereof
    • Publication number 20220165242
    • Publication date May 26, 2022
    • 3M Innovative Properties Company
    • Michelle M. MOK
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ACOUSTIC ARTICLE AND RELATED METHODS
    • Publication number 20210375251
    • Publication date Dec 2, 2021
    • 3M Innovative Properties Company
    • Seungkyu LEE
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MULTILAYER DAMPING MATERIAL
    • Publication number 20210270337
    • Publication date Sep 2, 2021
    • 3M Innovative Properties Company
    • David Rudek
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MICROPERFORATED CONDUIT
    • Publication number 20210140678
    • Publication date May 13, 2021
    • 3M Innovative Properties Company
    • Seungkyu Lee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CERAMIC-COATED FIBERS INCLUDING A FLAME-RETARDING POLYMER, AND METH...
    • Publication number 20210095405
    • Publication date Apr 1, 2021
    • 3M Innovative Properties Company
    • Liyun L. Ren
    • D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
  • Information Patent Application

    NON-WOVEN FIBROUS WEB AND METHODS THEREOF
    • Publication number 20200299877
    • Publication date Sep 24, 2020
    • 3M Innovative Properties Company
    • Jinzhang YOU
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    ACOUSTIC COMPOSITE AND METHODS THEREOF
    • Publication number 20200223171
    • Publication date Jul 16, 2020
    • 3M Innovative Properties Company
    • Tatjana STECENKO
    • E04 - BUILDING
  • Information Patent Application

    DIMENSIONALLY-STABLE, FIRE-RESISTANT MELT-BLOWN FIBERS AND NONWOVEN...
    • Publication number 20200071865
    • Publication date Mar 5, 2020
    • 3M Innovative Properties Company
    • Liyun Ren
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    MULTILAYER DAMPING MATERIAL
    • Publication number 20180156296
    • Publication date Jun 7, 2018
    • 3M Innovative Properties Company
    • Jonathan H. Alexander
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ACOUSTIC DEVICE
    • Publication number 20170241310
    • Publication date Aug 24, 2017
    • 3M Innovative Properties Company
    • Thomas P. Hanschen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ACOUSTIC COMPOSITE
    • Publication number 20110048850
    • Publication date Mar 3, 2011
    • Jonathan H. Alexander
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    STRUCTURED FILMS HAVING ACOUSTICAL ABSORBANCE PROPERTIES
    • Publication number 20090233045
    • Publication date Sep 17, 2009
    • David F. Slama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    METHODS OF MAKING STRUCTURED FILMS
    • Publication number 20090108504
    • Publication date Apr 30, 2009
    • David F. Slama
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Fibrous nonwoven web
    • Publication number 20040097155
    • Publication date May 20, 2004
    • 3M Innovative Properties Company
    • David A. Olson
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS