Patents by Inventor David A. Curd

David A. Curd 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).

  • Integrated three function valve
    Patent number: 7003949
    Abstract: An integrated three function valve (ITFV) that combines the functions of a bypass valve (e.g. 183a, 185a, 161a) into a single assembly is disclosed. The ITFV allows continued operation after any two failures.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: February 28, 2006
    Assignee: Bell Helicopter Textron Inc.
    Inventors: Carlos A. Fenny, David P. Schultz, Ian L. Price, David A. Curd