Patents by Inventor Michael Hoelzel

Michael Hoelzel 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).

  • Pneumatic tire
    Patent number: 9290052
    Abstract: A tire includes a tread portion, a pair of opposing sidewall portions, and a pair of shoulder portions each arranged between the tread portion and one of the sidewall portions, wherein at least on one side of the tire the sidewall and shoulder portions comprise at least a first rubber compound and a second rubber compound, the second rubber compound having a material composition different from that of the first rubber compound.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: March 22, 2016
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Jaap Leendertse, Wolfgang Karl Maegerle, Dirk Van Eck, Michael Hoelzel
  • PNEUMATIC TIRE
    Publication number: 20130228263
    Abstract: A tire includes a tread portion, a pair of opposing sidewall portions, and a pair of shoulder portions each arranged between the tread portion and one of the sidewall portions, wherein at least on one side of the tire the sidewall and shoulder portions comprise at least a first rubber compound and a second rubber compound, the second rubber compound having a material composition different from that of the first rubber compound.
    Type: Application
    Filed: February 21, 2013
    Publication date: September 5, 2013
    Inventors: Jaap Leendertse, Wolfgang Karl Maegerle, Dirk Van Eck, Michael Hoelzel
  • Composite gas turbine discs for increased performance and reduced cost
    Publication number: 20060008352
    Abstract: A composite turbine disc includes a high nickel rim section and a steel bore section. The rim section is formed from a high nickel alloy which provides a higher melting point as compared to the material used for the bore section. A plating or forged welding enhanced agent layer is disposed between the bore section and rim section. Composite disc can be formed by forging the rim and bore material together, or by welding the rim and bore material together.
    Type: Application
    Filed: July 7, 2004
    Publication date: January 12, 2006
    Inventors: David Segletes, Michael Hoelzel