Patents by Inventor Robert H. Silbernagel

Robert H. Silbernagel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Environmental sampling articles and methods
    Patent number: 10018534
    Abstract: The present invention refers to articles for collecting samples from a surface, articles for microbiological analyses of said samples, and methods of use of said articles. The articles include sample collectors, sample housings with optional barrier layers, and sample-ready reagent strips comprising hydrophilic agents to grow and detect microorganisms. The disclosure includes methods to collect, detect, and quantify microorganisms in a surface sample.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: July 10, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Cynthia D. Zook, Robert H. Silbernagel, Barbara L. Horter, Henry J. Lubrant, Robert E. Koeritzer
  • ENVIRONMENTAL SAMPLING ARTICLES AND METHODS
    Publication number: 20140370585
    Abstract: The present invention refers to articles for collecting samples from a surface, articles for microbiological analyses of said samples, and methods of use of said articles. The articles include sample collectors, sample housings with optional barrier layers, and sample-ready reagent strips comprising hydrophilic agents to grow and detect microorganisms. The disclosure includes methods to collect, detect, and quantify microorganisms in a surface sample.
    Type: Application
    Filed: September 3, 2014
    Publication date: December 18, 2014
    Inventors: CYNTHIA D. ZOOK, ROBERT H. SILBERNAGEL, BARBARA L. HORTER, HENRY J. LUBRANT, ROBERT E. KOERITZER
  • Environmental sampling articles and methods
    Patent number: 8828653
    Abstract: The present invention refers to articles for collecting samples from a surface, articles for microbiological analyses of said samples, and methods of use of said articles. The articles include sample collectors, sample housings with optional barrier layers, and sample-ready reagent strips comprising hydrophilic agents to grow and detect microorganisms. The disclosure includes methods to collect, detect, and quantify microorganisms in a surface sample.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: September 9, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Cynthia D. Zook, Robert H. Silbernagel, Barbara L. Horter, Henry J. Lubrant, Robert E. Koeritzer
  • ENVIRONMENTAL SAMPLING ARTICLES AND METHODS
    Publication number: 20120028297
    Abstract: The present invention refers to articles for collecting samples from a surface, articles for microbiological analyses of said samples, and methods of use of said articles. The articles include sample collectors, sample housings with optional barrier layers, and sample-ready reagent strips comprising hydrophilic agents to grow and detect microorganisms. The disclosure includes methods to collect, detect, and quantify microorganisms in a surface sample.
    Type: Application
    Filed: November 20, 2008
    Publication date: February 2, 2012
    Applicant: 3M Innovative Properties Company
    Inventors: Cynthia D. Zook, Robert H. Silbernagel, Barbara L. Horter, Henry J. Lubrant, Robert E. Koeritzer