Patents by Inventor Michael deSousa

Michael deSousa 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: 7975658
    Abstract: An air port or smelt spout cleaning tip presents a wider cleaning area configuration on an insertion phase, and on retraction, the tip collapses to provide a smaller size to prevent against hanging up on adjacent structures.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: July 12, 2011
    Assignee: Clyde Bergemann, Inc.
    Inventors: Kenneth A Pingel, Michael deSousa
  • Publication number: 20030217706
    Abstract: An air port or smelt spout cleaning tip presents a wider cleaning area configuration on an insertion phase, and on retraction, the tip collapses to provide a smaller size to prevent against hanging up on adjacent structures.
    Type: Application
    Filed: May 9, 2003
    Publication date: November 27, 2003
    Inventors: Kenneth A. Pingel, Michael deSousa