Patents by Inventor TIMO NEUVONEN

TIMO NEUVONEN 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).

  • Cylinder with check valve
    Patent number: 10920802
    Abstract: A harvester head having at least one hydraulic actuator with a cylinder and a piston. The hydraulic actuator having at least a cylinder chamber and a piston rod chamber, both chambers being connected to a hydraulic circuit. The piston separating the cylinder chamber and the piston rod chamber, a cavity provided in the piston, hydraulically connecting the cylinder chamber with the piston rod chamber and a check valve in connection with the cavity that allows hydraulic medium flow in an opening direction of the check valve.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: February 16, 2021
    Assignee: DEERE & COMPANY
    Inventors: Arto Alfthan, Timo Neuvonen, Joni Turunen, Samuli Jormanainen, Esa Jääskeläinen
  • Cylinder with Check Valve
    Publication number: 20190219075
    Abstract: A harvester head having at least one hydraulic actuator with a cylinder and a piston. The hydraulic actuator having at least a cylinder chamber and a piston rod chamber, both chambers being connected to a hydraulic circuit. The piston separating the cylinder chamber and the piston rod chamber, a cavity provided in the piston, hydraulically connecting the cylinder chamber with the piston rod chamber and a check valve in connection with the cavity that allows hydraulic medium flow in an opening direction of the check valve.
    Type: Application
    Filed: January 8, 2019
    Publication date: July 18, 2019
    Inventors: ARTO ALFTHAN, TIMO NEUVONEN, JONI TURUNEN, SAMULI JORMANAINEN, ESA Jääskeläinen