Patents by Inventor Thomas James Lewin

Thomas James Lewin 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).

  • Wind turbine tower system
    Patent number: 9016012
    Abstract: A wind turbine tower system is provided which includes a wind turbine tower with a height of at least 80 meters, said wind turbine tower comprised of ultra-high performance concrete and a wind turbine mounted on the wind turbine tower. The wind turbine tower system may include a vertically extending lattice structure formed of a plurality of modular components, wherein each of said plurality of modular components being pre-stressed. The tower may also be formed using UHPC shells.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: April 28, 2015
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Sivalingam Sritharan, Thomas James Lewin