Patents by Inventor Gary R. Duffin

Gary R. Duffin 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).

  • Acoustic baffle assembly
    Patent number: 7913814
    Abstract: An acoustic baffle assembly for sealing or baffling a hollow body having a mass of heat activated expandable material that is capable of activating at a predetermined temperature. A substrate supports the mass. The substrate has a central portion and spaced apart projections extending outwardly from the central portion. The projections are configured to control expansion of the mass.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: March 29, 2011
    Assignee: Henkel Corporation
    Inventors: Gary R. Duffin, Benjamin Howard, Dan Jordan, Tanya Estrin, Michael Lupini
  • ACOUSTIC BAFFLE ASSEMBLY
    Publication number: 20090223739
    Abstract: An acoustic baffle assembly for sealing or baffling a hollow body having a mass of heat activated expandable material that is capable of activating at a predetermined temperature. A substrate supports the mass. The substrate has a central portion and spaced apart projections extending outwardly from the central portion. The projections are configured to control expansion of the mass.
    Type: Application
    Filed: March 6, 2009
    Publication date: September 10, 2009
    Inventors: Gary R. Duffin, Benjamin Howard, Dan Jordan, Tanya Estrin, Michael Lupini