Patents by Inventor Paul E. Pastusek

Paul E. Pastusek 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).

  • Drill bit lubrication system
    Patent number: 4381824
    Abstract: A lubrication system is disclosed for a rolling cutter drill bit, which system utilizes solid or semi-solid sticks of lubricants located in internal channels and continuously biased against rotating surfaces in the bit.
    Type: Grant
    Filed: October 3, 1980
    Date of Patent: May 3, 1983
    Assignee: Reed Rock Bit Company
    Inventor: Paul E. Pastusek