Patents by Inventor Johannes Antonius Roetgerink

Johannes Antonius Roetgerink 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).

  • Device for directed discharge of conical articles
    Patent number: 3982637
    Abstract: A device for directed discharge of conical articles, like yarn bobbins, having with a number of pairs of juxtaposed supporting units of which the distance corresponds with the length of the articles each unit comprising at least two supporting members, movable with respect to each other.
    Type: Grant
    Filed: November 8, 1974
    Date of Patent: September 28, 1976
    Assignee: Machinefabriek M. Brouwer & Co. B.V.
    Inventor: Johannes Antonius Roetgerink