Patents by Inventor Christopher Michalec

Christopher Michalec 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).

  • Mill to whipstock connection system
    Patent number: 11421496
    Abstract: A window cutting system includes a whipstock connector including an inner surface having at least one projection. A window mill is connected to the whipstock connector. The window mill includes a body having a connector member, a tip portion, a recess formed on an outer surface of the body, an axial passage extending from the connector member toward the tip portion and a radial passage extending outwardly from the axial passage. A pin is arranged in the radial passage and selectively extending into the recess.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: August 23, 2022
    Assignee: BAKER HUGHES OILFIELD OPERATIONS LLC
    Inventors: Tuan Nguyen, Philip M. Gregurek, Kevin Edgar Harrington, Gregory Hern, Christopher Michalec, Gaute Grindhaug, Morten Eidem