Patents by Inventor Paul Verhaegen

Paul Verhaegen 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).

  • Heat-recovery device for open hearth
    Patent number: 4441481
    Abstract: There is described a device formed by a number of hollow elements mounted next to one another and fastened to one another, which have such a profile that they form at the bottom in the horizontal portion thereof, a grate the fuel bears on, merge backwards into a wall and form at the top, horizontal or substantially horizontal vertically or lateral evacuation pipe(s).
    Type: Grant
    Filed: October 15, 1980
    Date of Patent: April 10, 1984
    Inventor: Paul Verhaegen