Patents by Inventor Marco Margaria

Marco Margaria 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).

  • Electrohydraulic circuit for control of a fluid pressure actuator
    Publication number: 20040011192
    Abstract: The circuit comprises first and second power lines connected to a port of a first actuator chamber and to the port of a second actuator chamber, respectively; a supply line and a discharge line connected to a supply source and to a discharge reservoir; a first sliding member valve capable of connecting the first power line to the supply and discharge lines under the control of pilot pressures transmitted to the first sliding member valve by a first pair of pilot lines; and a second sliding member valve capable of connecting the second power line with the supply and discharge lines under the control of pilot pressures transmitted to the second sliding member valve by a second pair of pilot lines.
    Type: Application
    Filed: May 22, 2003
    Publication date: January 22, 2004
    Applicant: C.R.F. SOCIETA CONSORTILE PER AZIONI
    Inventors: Salvatore Frediani, Marco Margaria