Patents by Inventor Daniel E. Harder

Daniel E. Harder 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).

  • Publication number: 20260092425
    Abstract: In one embodiment, a variable height pier leg extension apparatus provides adjustable leg extension to a plurality of bridge panel components each having two panel bridge pier legs for a panel bridge pier. The bridge panel components are disposed in a panel bridge pier leg configuration.
    Type: Application
    Filed: September 30, 2024
    Publication date: April 2, 2026
    Applicant: United States of America as Represented by the The Secretary of The Army
    Inventors: Mark W Pollak, Gary E. Johnston, Daniel E. Harder