Patents by Inventor Douglas D. Dietrich

Douglas D. Dietrich 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).

  • Structural connector for a sandwich construction unit
    Patent number: 5709061
    Abstract: A structural connector for a sandwich construction unit. The connector is made of material having a low heat conductance such as a fiber-composite material. The connector extends between two parallel spaced panels and also extends the entire length of the panels between structural members such as a floor and a ceiling. The edges of the connector are attached to the panels by suitable means such as a fluid bonding material.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: January 20, 1998
    Assignee: Iowa State University Research Foundation, Inc.
    Inventor: Douglas D. Dietrich