Patents by Inventor Henry C. Howell

Henry C. Howell 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).

  • Publication number: 20230279797
    Abstract: A novel sound absorbing sheet material with a unique combination of micro-louver slit parameters and patterns provides superior noise attenuation and a reduced perforation area (less than 3.5%) to better protect fiberglass insulation when used in a muffler assembly. A muffler assembly is disclosed incorporating the novel sound absorbing sheet as the inner exhaust conduit.
    Type: Application
    Filed: March 2, 2023
    Publication date: September 7, 2023
    Applicant: ACS Industries, Inc.
    Inventors: Christof Bock, Henry C. Howell, Stacey L. Smith
  • Patent number: D706687
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: June 10, 2014
    Assignee: Harley-Davidson Motor Company Group, LLC
    Inventors: Scott J. Nash, Michael A. Protasiewicz, Jeffrey Spraggon, Richard J. Christoph, Alexander J. Bozmoski, Andrew Massignan, Henry C. Howell, Phillip Rusch
  • Patent number: D708987
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: July 15, 2014
    Assignee: Harley-Davidson Motor Company Group, LLC
    Inventors: Scott J. Nash, Michael A. Protasiewicz, Jeffrey Spraggon, Richard J. Christoph, Alexander J. Bozmoski, Andrew Massignan, Henry C. Howell, Phillip Rusch