Patents by Inventor Daniel A. Piterski

Daniel A. Piterski 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: 8517086
    Abstract: A heat exchanger having a tube bundle disposed within a housing with a resilient end structure disposed in compressed, plug-forming relation at least partially across the heat exchanging cavity. The resilient end structure includes one or more boundary segments extending between an internal wall of the housing and the perimeter of the tube bundle. The boundary segment includes a combination of materials having differing compression characteristics providing enhanced support to the boundary segments.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: August 27, 2013
    Assignee: Caterpillar Inc.
    Inventors: Sunil I. Mathew, Dan J. Becker, Thomas J. Grabenstetter, Daniel A. Piterski, William E. Donovan, Stephen M. Bertrand
  • Publication number: 20090218081
    Abstract: A heat exchanger having a tube bundle disposed within a housing with a resilient end structure disposed in compressed, plug-forming relation at least partially across the heat exchanging cavity. The resilient end structure includes one or more boundary segments extending between an internal wall of the housing and the perimeter of the tube bundle. The boundary segment includes a combination of materials having differing compression characteristics providing enhanced support to the boundary segments.
    Type: Application
    Filed: February 13, 2009
    Publication date: September 3, 2009
    Applicant: Caterpillar Inc.
    Inventors: Sunil I. Mathew, Dan J. Becker, Thomas J. Grabenstetter, Daniel A. Piterski, William E. Donovan, Stephen M. Bertrand