Patents by Inventor Stefan M. Duma

Stefan M. Duma 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).

  • Patent number: 9797821
    Abstract: The present invention provides a method for testing a helmet that uses a risk function that incorporates both linear and rotational acceleration to predict the helmet's ability to prevent a concussion. In certain embodiments, the testing matrix includes 3 impact energy levels and 4 impact locations, for a total of 12 testing conditions per helmet.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: October 24, 2017
    Assignee: Virginia Tech Intellectual Properties, Inc.
    Inventors: Stefan M. Duma, Steven Rowson, Craig McNally
  • Publication number: 20160021964
    Abstract: The present invention provides a method for testing a helmet that uses a risk function that incorporates both linear and rotational acceleration to predict the helmet's ability to prevent a concussion. In certain embodiments, the testing matrix includes 3 impact energy levels and 4 impact locations, for a total of 12 testing conditions per helmet.
    Type: Application
    Filed: July 22, 2015
    Publication date: January 28, 2016
    Inventors: Stefan M. Duma, Steven Rowson, Craig McNally