Patents by Inventor Constantin Catanu

Constantin Catanu 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).

  • Pressure lubrication for inverted flight
    Patent number: 7530430
    Abstract: A gravity controlled lubrication system for aircraft engines to supply a lubricant from a tank to a circulating system permitting lubricant to flow when the aircraft changes to an inverted flight condition.
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: May 12, 2009
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Tuyen Trong Hoang, Constantin Catanu, Daniel Grigore
  • Pressure lubrication for inverted flight
    Publication number: 20060090964
    Abstract: A gravity controlled lubrication system for aircraft engines to supply a lubricant from a tank to a circulating system permitting lubricant to flow when the aircraft changes to an inverted flight condition.
    Type: Application
    Filed: November 4, 2004
    Publication date: May 4, 2006
    Inventors: Tuyen Hoang, Constantin Catanu, Daniel Grigore