Patents by Inventor George Iondov

George Iondov 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).

  • PUMP-IN SEAL
    Publication number: 20110079433
    Abstract: An assembly may be disposed within a drill string. The assembly may be moved within and along the drill string using hydraulic pressure. A core sample may be collected within the assembly, and the assembly may be retrieved to obtain the core sample. The assembly may include a seal that may be configured to form a seal with different inner diameters of a variable-diameter drill rod of the drill string.
    Type: Application
    Filed: September 29, 2010
    Publication date: April 7, 2011
    Applicant: LONGYEAR TM, INC.
    Inventors: Christopher L. Drenth, George Iondov, George Ibrahim