Patents by Inventor Paul Tappel

Paul Tappel 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).

  • Structure and method for facilitating safe downstream passage of migrating fish around hydroelectric projects
    Publication number: 20080213045
    Abstract: Structure and method for safe downstream passage of juvenile fish of any species around hydroelectric dam projects using a combination of deeply submerged extended turbine intakes and surface-oriented bypass flows near the dam structure. The turbine intakes are extended upstream from the dam face.
    Type: Application
    Filed: December 6, 2007
    Publication date: September 4, 2008
    Inventor: Paul Tappel