Patents by Inventor Robert Y. Pogontchef

Robert Y. Pogontchef 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 drying drilling mud
    Patent number: 4382341
    Abstract: Direct electric current is passed through drilling mud contained in an earthen mud pit to dry the mud, thereby providing a safe and environmentally acceptable means for disposal of the mud.
    Type: Grant
    Filed: November 18, 1980
    Date of Patent: May 10, 1983
    Assignee: Electro-Petroleum, Inc.
    Inventors: Christy W. Bell, Charles H. Titus, Robert Y. Pogontchef