Patents by Inventor Robert John Moffat

Robert John Moffat 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).

  • Heat exchanger with conduit surrounded by metal foam
    Patent number: 8069912
    Abstract: A heat exchanger is disclosed. The heat exchanger may have a conduit configured to conduct a fluid and at least one body of metal foam surrounding the conduit. The at least one body of metal foam may have a radially inner portion, a radially outer portion, and a radially intermediate portion between the radially inner portion and the radially outer portion. The at least one body of metal foam may have a lower percentage of void space at the radially outer portion as compared to the radially intermediate portion.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: December 6, 2011
    Assignee: Caterpillar Inc.
    Inventors: Michael J. Campagna, Robert John Moffat
  • Heat exchanger with conduit surrounded by metal foam
    Publication number: 20090084520
    Abstract: A heat exchanger is disclosed. The heat exchanger may have a conduit configured to conduct a fluid and at least one body of metal foam surrounding the conduit. The at least one body of metal foam may have a radially inner portion, a radially outer portion, and a radially intermediate portion between the radially inner portion and the radially outer portion. The at least one body of metal foam may have a lower percentage of void space at the radially outer portion as compared to the radially intermediate portion.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 2, 2009
    Inventors: Michael J. Campagna, Robert John Moffat