Patents by Inventor Alison E. Bergmann

Alison E. Bergmann 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).

  • Orificed check valve in wing circuit
    Patent number: 10820466
    Abstract: A wing locking system for a harvesting header is provided. The wing locking system includes an accumulator, a fluid cylinder operably attached to a wing of the harvesting header, a hose fluidly connecting the accumulator and the fluid cylinder, and a valve operably disposed between the accumulator and the fluid cylinder. The valve includes a first selectable position configured to permit a first fluid flow rate between the accumulator and the fluid cylinder and a second selectable position configured to permit a second fluid flow rate from the accumulator to the fluid cylinder. The first fluid flow rate is greater than the second fluid flow rate.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: November 3, 2020
    Assignee: Deere & Company
    Inventors: Alex Brimeyer, Paul D. Marvin, Alison E. Bergmann, David Eric Renner
  • ORIFICED CHECK VALVE IN WING CIRCUIT
    Publication number: 20200008338
    Abstract: A wing locking system for a harvesting header is provided. The wing locking system includes an accumulator, a fluid cylinder operably attached to a wing of the harvesting header, a hose fluidly connecting the accumulator and the fluid cylinder, and a valve operably disposed between the accumulator and the fluid cylinder. The valve includes a first selectable position configured to permit a first fluid flow rate between the accumulator and the fluid cylinder and a second selectable position configured to permit a second fluid flow rate from the accumulator to the fluid cylinder. The first fluid flow rate is greater than the second fluid flow rate.
    Type: Application
    Filed: July 5, 2018
    Publication date: January 9, 2020
    Applicant: Deere & Company
    Inventors: Alex Brimeyer, Paul D. Marvin, Alison E. Bergmann, David Eric Renner