Patents by Inventor Edwin R. Haufler

Edwin R. Haufler 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).

  • Container construction
    Patent number: 4151927
    Abstract: A drawn and ironed easily hand-held metallic container construction is provided and has a central longitudinal axis, a sidewall, and a high-performance bottom wall. The bottom wall has a first substantially frustoconical portion adjoining the sidewall and extending downwardly and toward the longitudinal axis, a second frustoconical portion interconnected to the first frustoconical portion and extending upwardly therefrom toward the longitudinal axis. The bottom wall also has a substantially semi-torroidal inwardly convex bead adjoining the second frustoconical portion and a dished portion adjoining the semi-torroidal bead with the dished portion having a flat central part.
    Type: Grant
    Filed: February 6, 1976
    Date of Patent: May 1, 1979
    Assignee: Reynolds Metals Company
    Inventors: Daniel S. Cvacho, Edwin R. Haufler, Joseph W. Wallace, James M. Woolard
  • Method of making a container
    Patent number: 4134354
    Abstract: A drawn and ironed easily hand-held metallic container construction is provided and has a central longitudinal axis, a sidewall, and a high-performance bottom wall. The bottom wall has a first substantially frustoconical portion adjoining the sidewall and extending downwardly and toward the longitudinal axis, a second frustoconical portion interconnected to the first frustoconical portion and extending upwardly therefrom toward the longitudinal axis. The bottom wall also has a substantially semi-torroidal inwardly convex bead adjoining the second frustoconical portion and a dished portion adjoining the semi-torroidal bead with the dished portion having a flat central part.
    Type: Grant
    Filed: August 4, 1977
    Date of Patent: January 16, 1979
    Assignee: Reynolds Metals Company
    Inventors: Daniel S. Cvacho, Edwin R. Haufler, Joseph W. Wallace, James M. Woolard