Patents by Inventor Sampsa Piira

Sampsa Piira 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 production unit
    Patent number: D530662
    Type: Grant
    Filed: November 30, 2004
    Date of Patent: October 24, 2006
    Assignee: Wartsila Finland Oy
    Inventors: Ville Kokkonen, Niklas Lindfors, Asko Pesonen, Sampsa Piira, Mikko Salonen