Patents by Inventor Guy Hovland

Guy Hovland 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).

  • Method and expansion device for preparing expanded thermoplastic microspheres
    Patent number: 7192989
    Abstract: The present invention relates to a method of preparing expanded thermoplastic microspheres, comprising charging thermally expandable microspheres into an expansion device comprising rotating feeding means enveloped by a hollow body, and one or more scrapers. The invention further relates to an expansion device for expanding thermoplastic microspheres.
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: March 20, 2007
    Assignee: Akzo Nobel N.V.
    Inventors: Lars-Olof Svedberg, Guy Hovland, Thomas Holmlund
  • Method and expansion device for preparing expanded microspheres
    Publication number: 20070043130
    Abstract: The present invention relates to a method of preparing expanded thermoplastic microspheres, comprising charging thermally expandable microspheres into an expansion device comprising rotating feeding means enveloped by a hollow body, and one or more scrapers. The invention further relates to an expansion device for expanding thermoplastic microspheres.
    Type: Application
    Filed: October 24, 2006
    Publication date: February 22, 2007
    Applicant: Akzo Nobel N.V.
    Inventors: Lars-Olof Svedberg, Guy Hovland, Thomas Holmlund
  • Method and expansion device for preparing expanded thermoplastic microspheres
    Publication number: 20040176487
    Abstract: The present invention relates to a method of preparing expanded thermoplastic microspheres, comprising charging thermally expandable microspheres into an expansion device comprising rotating feeding means enveloped by a hollow body, and one or more scrapers. The invention further relates to an expansion device for expanding thermoplastic microspheres.
    Type: Application
    Filed: December 17, 2003
    Publication date: September 9, 2004
    Inventors: Lars-Olof Svedberg, Guy Hovland, Thomas Holmlund