Patents by Inventor Robert J. Treen

Robert J. Treen 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).

  • Airfoil with powder damper
    Patent number: 9181806
    Abstract: An airfoil includes an airfoil body that defines a longitudinal axis. The airfoil body includes a leading edge and a trailing edge and a first sidewall and a second sidewall that is spaced apart from the first sidewall. The first sidewall and the second sidewall join the leading edge and the trailing edge and at least partially define at least one longitudinally elongated cavity in the airfoil body. A plurality of loose particles is enclosed in the at least one longitudinally elongated cavity.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: November 10, 2015
    Assignee: United Technologies Corporation
    Inventors: Tracy A. Propheter-Hinckley, Gregory M. Dolansky, Benjamin T. Fisk, Robert J. Treen
  • AIRFOIL WITH POWDER DAMPER
    Publication number: 20130280082
    Abstract: An airfoil includes an airfoil body that defines a longitudinal axis. The airfoil body includes a leading edge and a trailing edge and a first sidewall and a second sidewall that is spaced apart from the first sidewall. The first sidewall and the second sidewall join the leading edge and the trailing edge and at least partially define at least one longitudinally elongated cavity in the airfoil body. A plurality of loose particles is enclosed in the at least one longitudinally elongated cavity.
    Type: Application
    Filed: April 24, 2012
    Publication date: October 24, 2013
    Inventors: Tracy A. Propheter-Hinckley, Gregory M. Dolansky, Benjamin T. Fisk, Robert J. Treen