Patents by Inventor Hugo R. Holden

Hugo R. Holden 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).

  • Aspiration tube vacuum sensor,connector and connector assembly
    Publication number: 20090158855
    Abstract: The apparatus relates to a membrane based pressure sensor placed on an aspiration tube to determine a more accurate vacuum pump pressure within the aspiration tube, and to the connectors and connector assemblies for use with the pressure sensor.
    Type: Application
    Filed: May 9, 2006
    Publication date: June 25, 2009
    Inventor: Hugo R. Holden