Patents by Inventor Ryan Sievert

Ryan Sievert 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).

  • Patent number: 12420913
    Abstract: A hydraulic drag brake is provided for use with a driveline. The hydraulic drag brake includes a fluid circuit including first and second loops, a first valve disposed along the first loop to allow a flow of fluid through the first loop in a first direction and to prevent a flow of the fluid through the first loop in a second direction, a second valve disposed along the second loop and a pump coupled to the driveline and configured to pump the fluid through the fluid circuit in the first direction and across the first valve with the driveline occupying a retracted position or engaging in an extend motion and in the second direction and over the second valve with the driveline occupying an extended position.
    Type: Grant
    Filed: February 2, 2024
    Date of Patent: September 23, 2025
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Darrell E. Ankney, Ryan Sievert
  • Publication number: 20250250000
    Abstract: A hydraulic drag brake is provided for use with a driveline. The hydraulic drag brake includes a fluid circuit including first and second loops, a first valve disposed along the first loop to allow a flow of fluid through the first loop in a first direction and to prevent a flow of the fluid through the first loop in a second direction, a second valve disposed along the second loop and a pump coupled to the driveline and configured to pump the fluid through the fluid circuit in the first direction and across the first valve with the driveline occupying a retracted position or engaging in an extend motion and in the second direction and over the second valve with the driveline occupying an extended position.
    Type: Application
    Filed: February 2, 2024
    Publication date: August 7, 2025
    Inventors: Darrell E. Ankney, Ryan Sievert