Patents by Inventor Daniel C. Hogan

Daniel C. Hogan 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).

  • Precast concrete structure having light weight encapsulated cores
    Patent number: 6460213
    Abstract: A precast concrete bridge system containing one or more sections wherein each section includes a horizontally disposed, load-bearing span that is integrally cast with a pair of vertical side walls. Each wall contains lightweight cores encapsulated in the concrete to create a series of longitudinally extended beams in each wall so that the beams in one wall are coaxially aligned with the beams in an adjacent wall. The cores constitute between 16-35 % of the total section volume.
    Type: Grant
    Filed: August 7, 2000
    Date of Patent: October 8, 2002
    Assignee: Concrete Precast Products Corp.
    Inventors: John L. Flint, Daniel C. Hogan