Patents by Inventor David P Schulz

David P Schulz 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
    Publication number: 20040237518
    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: Application
    Filed: March 19, 2004
    Publication date: December 2, 2004
    Inventors: Carlos A Fenny, David P Schulz, Ian L Price, David A Curd