Patents by Inventor John Andruch, III

John Andruch, III 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).

  • Regenerative hydraulic systems and methods of use
    Patent number: 9194107
    Abstract: Hydraulic systems and methods for using such systems in a variety of machinery, including but not limited to machines having multiple functions performed by one or more hydraulic circuits. The systems enable valves and actuators within the systems to reconfigure themselves so that flow from assistive loads on one or more actuators can be used to move one or more other actuators subjected to a resistive load.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: November 24, 2015
    Assignee: Purdue Research Foundation
    Inventors: John Andruch, III, John H. Lumkes, Jr.
  • REGENERATIVE HYDRAULIC SYSTEMS AND METHODS OF USE
    Publication number: 20120233997
    Abstract: Hydraulic systems and methods for using such systems in a variety of machinery, including but not limited to machines having multiple functions performed by one or more hydraulic circuits. The systems enable valves and actuators within the systems to reconfigure themselves so that flow from assistive loads on one or more actuators can be used to move one or more other actuators subjected to a resistive load.
    Type: Application
    Filed: September 29, 2010
    Publication date: September 20, 2012
    Applicant: PURDUE RESEARCH FOUNDATION
    Inventors: John Andruch, III, John H. Lumkes, JR.