Patents by Inventor Robert Speitel

Robert Speitel 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).

  • Stopping device for a threaded neck container
    Patent number: 4266682
    Abstract: The present invention relates to a stopping element made of a cylindrical cap 11 threaded inside and intended for being screwed onto the corresponding threading of the neck of the flask, the cap being joined to an outer member 8. According to the invention, the threaded cap 11 and the member 8 are movable relative to each other axially and joinly in rotation. The invention provides the bringing into coincidence of the cross-sections of the flask and of the outer member.
    Type: Grant
    Filed: March 13, 1979
    Date of Patent: May 12, 1981
    Assignee: Teleplastics Industries S.A.
    Inventors: Francois Speitel, Robert Speitel