Patents by Inventor Daniel S Helgerson

Daniel S Helgerson 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).

  • Publication number: 20230375011
    Abstract: Disclosed are Variable Displacement Power Controllers and applications generally in the field of fluid powered systems that provide for increased efficiency and effectiveness over known fluid systems, where fluid power generally refers to hydraulic or pneumatic power systems.
    Type: Application
    Filed: February 23, 2023
    Publication date: November 23, 2023
    Applicant: Perisseuma Technologies LLC
    Inventors: Daniel S Helgerson, Michael Joe Lewis