Patents by Inventor Midamerican Energy Holdings Company

Midamerican Energy Holdings Company 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).

  • Publication number: 20130068697
    Abstract: This invention relates generally to processes for extracting iron and/or calcium from geothermal brines.
    Type: Application
    Filed: November 14, 2012
    Publication date: March 21, 2013
    Applicant: Midamerican Energy Holdings Company
    Inventor: Midamerican Energy Holdings Company