Patents by Inventor Nina Kristeva

Nina Kristeva 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).

  • Patent number: 8443557
    Abstract: A tower base section, a tower adapter and a wind turbine having the tower base section and the tower adapter are provided. The tower base section includes a tubular side wall and a flange portion. The flange portion has an inner radius and an outer radius and is configured as a T-flange. The tubular side wall is located closer to the outer radius than to the inner radius. The adapter is arranged outside the tubular side wall and includes a bottom surface pressing from above on the flange portion.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: May 21, 2013
    Assignee: General Electric Company
    Inventors: William Gevers, Nina Kristeva, Hueseyin Karaca
  • Publication number: 20120137620
    Abstract: A tower base section, a tower adapter and a wind turbine having the tower base section and the tower adapter are provided. The tower base section includes a tubular side wall and a flange portion. The flange portion has an inner radius and an outer radius and is configured as a T-flange. The tubular side wall is located closer to the outer radius than to the inner radius. The adapter is arranged outside the tubular side wall and includes a bottom surface pressing from above on the flange portion.
    Type: Application
    Filed: September 16, 2011
    Publication date: June 7, 2012
    Inventors: William Gevers, Nina Kristeva, Hueseyin KARACA