Patents by Inventor Tampio Ilmari I. Naappa

Tampio Ilmari I. Naappa 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).

  • Patent number: 4969992
    Abstract: The invention relates to a separating conveyor for separating solid materials from liquids. According to the invention, above the conveying path (17) of the conveyor and essentially supported against the conveying path (17) there is arranged a grate (1) which at least at one end is connected to the conveyor by means of elastic members (2). In addition to this, the conveying path (17) is provided with members (6) in order to guide the grate and the solid materials.
    Type: Grant
    Filed: May 28, 1987
    Date of Patent: November 13, 1990
    Assignee: Outokumpu Oy
    Inventor: Tampio Ilmari I. Naappa