Patents by Inventor Lawrence J. Tognetti

Lawrence J. Tognetti 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: 20110289908
    Abstract: A hydraulic system for a machine is disclosed. The hydraulic system may have a first pump with variable displacement and being load-sense controlled, and a first hydraulic circuit associated with the first pump. The hydraulic system may also have a second pump with variable displacement and being electro-hydraulically controlled, and a second hydraulic circuit associated with the second pump. The hydraulic system may further have a flow-sharing valve arrangement configured to selectively share fluid flow between the first and second hydraulic circuits.
    Type: Application
    Filed: May 28, 2010
    Publication date: December 1, 2011
    Inventors: Bryan A. JOHNSON, Jason L. Brinkman, Lawrence J. Tognetti, Chris R. Cesur, Peter Spring, Jiao Zhang