Patents by Inventor Ronald N. Grabois

Ronald N. Grabois 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).

  • Use of a water soluble drag reducer in a water/oil/gas system
    Patent number: 5027843
    Abstract: The friction loss in a conduit flowing a mixture of water, oil and gas is reduced by injecting into the mixture a water soluble friction reducing polymer.
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: July 2, 1991
    Assignee: Conoco Inc.
    Inventors: Ronald N. Grabois, Yung N. Lee