Patents by Inventor John F. Groweg

John F. Groweg 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).

  • O-ring gland for downhole tool
    Patent number: 11365808
    Abstract: A downhole tool body includes an outer surface having at least one O-ring gland. The at least one O-ring gland includes a first contour having a first radius greater than about 0.035? (R0.89 mm) and a second contour having a second radius greater than about 0.035? (R0.89 mm). A backup ring is arranged in the O-ring gland. The backup ring includes a gland contour having a radius that is complimentary to the first radius.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: June 21, 2022
    Assignee: BAKER HUGHES OILFIELD OPERATIONS LLC
    Inventor: John F. Groweg
  • O-RING GLAND FOR DOWNHOLE TOOL
    Publication number: 20200309266
    Abstract: A downhole tool body includes an outer surface having at least one O-ring gland. The at least one O-ring gland includes a first contour having a first radius greater than about 0.035? (R0.89 mm) and a second contour having a second radius greater than about 0.035? (R0.89 mm). A backup ring is arranged in the O-ring gland. The backup ring includes a gland contour having a radius that is complimentary to the first radius.
    Type: Application
    Filed: March 17, 2020
    Publication date: October 1, 2020
    Applicant: Baker Hughes Oilfield Operations LLC
    Inventor: John F. Groweg
  • SLEEVE FOR LOGGING WHILE DRILLING ELECTROMAGNETIC SENSOR
    Publication number: 20130277114
    Abstract: An apparatus for measuring a characteristic of an earth formation includes a drill collar configured to be inserted into a borehole of the earth formation, an electromagnetic sensor on the drill collar, and a non-conductive sleeve surrounding a circumference of the drill collar including the electromagnetic sensor and configured to press directly against the electromagnetic sensor.
    Type: Application
    Filed: April 18, 2012
    Publication date: October 24, 2013
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Jonathan F. Hook, John F. Groweg