Patents by Inventor Roland Grutzner

Roland Grutzner 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).

  • Energy-absorbent component
    Patent number: 7044514
    Abstract: Described is an energy-absorbent component for a motor vehicle, for example as a bumper, which is in the form of a blow-molded hollow body of thermoplastic material enclosing a foam filling on all sides. The hollow body comprises a plurality of chambers therein. The chambers are each closed in themselves and they each respectively accommodate a foam filling affording a differing energy absorption capability.
    Type: Grant
    Filed: March 17, 2005
    Date of Patent: May 16, 2006
    Assignee: Kautex Textron GmbH & Co. KG
    Inventors: Mahmud Al-Haj Mustafa, Roland Grutzner
  • Energy-absorbent component
    Publication number: 20050218672
    Abstract: Described is an energy-absorbent component for a motor vehicle, for example as a bumper, which is in the form of a blow-molded hollow body of thermoplastic material enclosing a foam filling on all sides. The hollow body comprises a plurality of chambers therein. The chambers are each closed in themselves and they each respectively accommodate a foam filling affording a differing energy absorption capability.
    Type: Application
    Filed: March 17, 2005
    Publication date: October 6, 2005
    Inventors: Mahmud Mustafa, Roland Grutzner