Patents by Inventor Rene Merel

Rene Merel 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).

  • Sealing device designed to achieve sealing between two parts having a possibility of relative rotation to a limited extent
    Patent number: 5050894
    Abstract: To set up sealing between two parts, having the possibility of relative rotation to a limited extent around a determined axis, a concertina element is used. This concertina element has two rigid, end tubular sections, fixedly joined in an impervious way with respective zones of each of said parts and an intermediate tubular part between said end tubular sections, and is capable of changing shape under torsion around said axis, to an extent that is at least equal to said extent. Thus, all risks of leakage between the two parts are removed.
    Type: Grant
    Filed: January 17, 1990
    Date of Patent: September 24, 1991
    Assignee: EG & G
    Inventors: Rene Merel, Michel Galard