Patents by Inventor James A. Holmboe

James A. Holmboe 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: 20220341194
    Abstract: A column forming system for creating chamfer corners and allowing efficient movement from one column location to the next. The column forming system comprises a plurality of formwork panels, a hinge corner bracket moveable between an open and a closed position, and a plurality of corner brackets. The connection of the components allows for the manipulation of the formwork panels relative to one another. A closed position of the hinge corner bracket results in the column forming system defining a column interior.
    Type: Application
    Filed: April 23, 2021
    Publication date: October 27, 2022
    Inventor: James A. Holmboe, JR.
  • Patent number: 4054258
    Abstract: A breakback form tie for constructing wallforms to contour concrete in which the form tie has at the end portions thereof engaging means for interfacing with brackets, an enlarged cross section positioned inwardly of the engaging means, plug means preferably in the configuration of truncated conical members positioned between the engaging means and the enlarged cross section with the enlarged, base portion of the conical members oriented outwad from the center of the tie, and a frangible section to facilitate breakback positioned inwardly of the enlarged cross section in order that the end portions of the tie may be severed at the frangible section and the severed section of the tie and plug means concurrently removed from a concrete wall formed around the tie.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: October 18, 1977
    Inventor: James A. Holmboe