Patents by Inventor Robert SINKEWICH

Robert SINKEWICH 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).

  • Drop ball sizing apparatus and method
    Patent number: 10378302
    Abstract: Apparatus and methods for measuring the size of a round object. Apparatus and methods for checking that a drop ball used in a well fracturing process has a predetermined diameter before being introduced into the wellbore.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: August 13, 2019
    Assignee: GLOBAL CORE TECHNOLOGIES CORP.
    Inventors: Robert Sinkewich, Joseph Watmough, Nigel Halladay
  • DROP BALL SIZING APPRATUS AND METHOD
    Publication number: 20190136654
    Abstract: Apparatus and methods for measuring the size of a round object are provided. Apparatus and methods for checking that a drop ball used in a well fracturing process has a predetermined diameter before being introduced into the wellbore are provided.
    Type: Application
    Filed: June 12, 2018
    Publication date: May 9, 2019
    Inventors: Robert SINKEWICH, Joseph WATMOUGH, Nigel HALLADAY