TREA

Todd W. Johnson

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  • Minneapolis, MN, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    MICROPERFORATED POLYMERIC FILM AND METHODS OF MAKING AND USING THE...
    • Publication number 20160045846
    • Publication date Feb 18, 2016
    • 3M Innovative Properties Company
    • John B. Scheibner
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MICROPERFORATED POLYMERIC FILM AND METHODS OF MAKING AND USING THE...
    • Publication number 20120244314
    • Publication date Sep 27, 2012
    • 3M Innovative Properties Company
    • John B. Scheibner
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Cross-flow membrane module
    • Publication number 20070119771
    • Publication date May 31, 2007
    • Gary W. Schukar
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    LIQUID-LIQUID EXTRACTION SYSTEM AND METHOD
    • Publication number 20060283800
    • Publication date Dec 21, 2006
    • 3M Innovative Properties Company
    • Dan L. Fanselow
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Method for obtaining ethanol
    • Publication number 20040181101
    • Publication date Sep 16, 2004
    • 3M Innovative Properties Company
    • Dan L. Fanselow
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Liquid-liquid extraction system and method
    • Publication number 20040178147
    • Publication date Sep 16, 2004
    • 3M Innovative Properties Company
    • Dan L. Fanselow
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Contoured layer channel flow filtration media
    • Publication number 20030118781
    • Publication date Jun 26, 2003
    • Minnesota Mining and Manufacturing Company
    • Thomas I. Insley
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Uni-drum ram plate for high viscosity materials
    • Publication number 20030071082
    • Publication date Apr 17, 2003
    • Todd L. Johnson
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Application

    Electrofiltration apparatus
    • Publication number 20020005116
    • Publication date Jan 17, 2002
    • 3M Innovative Properties Company
    • Joel K. Hagglund
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC