Patents by Inventor Russell A. Boellner

Russell A. Boellner 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).

  • Composite slab and joist assembly and method of manufacture thereof
    Patent number: 7013613
    Abstract: A composite slab and joist assembly includes a joist, at least one deck panel on the joist, slab reinforcement above the joist and dock panel, and a slab of concrete formed on the deck panel and joist such that the slab encloses the slab reinforcement and a top portion of the joist. The joist includes a bottom chord, a top chord, and a web affixed therebetween. The top chord has first and second structural angles. The first structural angle has in cross-section a horizontally-extending leg and an upwardly-extending leg meeting at a corner. The second structural angle has in cross-section a horizontally-extending leg and a downwardly-extending leg meeting at a corner. The upper portion of the web is joined to the second structural angle against the downwardly-extending leg.
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: March 21, 2006
    Assignee: Swirnow R & D, LLC
    Inventors: Russell A. Boellner, David E. Swirnow