Patents by Inventor David W. Zack

David W. Zack 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).

  • Infrared suppression system
    Patent number: 7836701
    Abstract: An InfraRed Suppression System (IRSS) vectors engine exhaust flow away from the exhaust manifold plane, the high aspect ratio exhaust duct defined as a ratio of a maximum nozzle length to a maximum nozzle width, the ratio greater than 2:1.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: November 23, 2010
    Assignee: Sikorsky Aircraft Corporation
    Inventors: David W. Zack, John Chapkovich, Richard A. Fitts
  • Infrared suppression system
    Patent number: 7823375
    Abstract: An InfraRed Suppression System includes a high aspect ratio exhaust duct which vectors a high temperature engine exhaust flow.
    Type: Grant
    Filed: August 1, 2005
    Date of Patent: November 2, 2010
    Assignee: Sikorsky Aircraft Corporation
    Inventors: David W. Zack, John Chapkovich, Richard A. Fitts
  • INFRARED SUPPRESSION SYSTEM
    Publication number: 20080245061
    Abstract: An InfraRed Suppression System (IRSS) vectors engine exhaust flow away from the exhaust manifold plane, the high aspect ratio exhaust duct defined as a ratio of a maximum nozzle length to a maximum nozzle width, the ratio greater than 2:1.
    Type: Application
    Filed: January 28, 2008
    Publication date: October 9, 2008
    Inventors: David W. Zack, John Chapkovich, Richard A. Fitts