Patents by Inventor Salvador Valdivia

Salvador Valdivia 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).

  • Patent number: 7434593
    Abstract: A double check valve that generally includes a modular fluid casing having a main housing, a one-piece modular cage, and at least one in-line check valve removably housed in the modular cage.
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: October 14, 2008
    Assignee: Zurn Industries, LLC
    Inventors: Brad L. Noll, Frank Kock, Clark Behnke, Salvador Valdivia
  • Publication number: 20040134537
    Abstract: A double check valve that generally includes a modular fluid casing having a main housing, a one-piece modular cage, and at least one in-line check valve removably housed in the modular cage.
    Type: Application
    Filed: October 23, 2003
    Publication date: July 15, 2004
    Inventors: Brad L. Noll, Frank Kock, Clark Behnke, Salvador Valdivia