Patents by Inventor Harald Peterson

Harald Peterson 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).

  • Method for the removal of aqueous liquids from the sump of an underground cavity
    Patent number: 5147147
    Abstract: A method for the removal of water or aqueous liquids from the sump of an underground cavity, especially a cavern, is based on providing a process in which a water-miscible organic liquid is added to the sump, and then the mixture formed in this way is extracted from the cavity.
    Type: Grant
    Filed: August 22, 1990
    Date of Patent: September 15, 1992
    Assignee: Energieversorgung Weser-Ems AG
    Inventors: Harald Peterson, Jurgen Martens, Werner Harms, Uwe Kramer