Patents by Inventor Jim A. Ottinger

Jim A. Ottinger 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).

  • Bridging system for steel joists
    Patent number: 4569177
    Abstract: A bridging system (50) for steel joists (56) comprises fasteners (52) secured to the chords (54) of the steels joists (56) by welding. Bridging members (60) comprise the lengths of angle iron having fastener receiving holes (62) formed therein at equally spaced intervals. Selected fastener receiving holes (62) of the bridging members (60) are engaged with the fasteners (52), and the bridging members (60) are mechanically retained in engagement with the fasteners (52). The fasteners (52) may comprise steel dowels, in which case the bridging members (60) are retained by retaining rings (74), or threaded members, in which case the bridging members (60) are retained by nuts (76) threadedly engaged with the fasteners (52).
    Type: Grant
    Filed: February 15, 1984
    Date of Patent: February 11, 1986
    Assignee: Tex-Ark Joist Company
    Inventor: Jim A. Ottinger