Patents by Inventor David R. Bartkowiak

David R. Bartkowiak 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).

  • High pressure seal
    Publication number: 20030111560
    Abstract: An high pressure seal comprises a tube with a first end adapted to fit into a first bore of a first mating part and a second end adapted to fit into second bore of a second bore of a second mating part and allow fluid communication between the first bore and the second bore. The seal is expandable radially about an axis to form a seal between the first and second mating parts.
    Type: Application
    Filed: December 18, 2001
    Publication date: June 19, 2003
    Inventors: David R. Bartkowiak, Dale C. Maley