Patents by Inventor Willem Hendrik Willemsen

Willem Hendrik Willemsen 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: 4026335
    Abstract: An arrangement for automatically filling cylindrical containers with a liquid mixture of a powdered material mainly consisting of a starch-containing powder, thickening agents and binders with a liquid in such a way that no separation of water will take place during the stiffening of said mixture into a dough-like material. According to the invention this is obtained by rotating said container during the filling thereof with a speed within the range of 1-15 revolutions per minute, and if necessary altering the quantities of powdered material and/or liquid of said mixture.
    Type: Grant
    Filed: April 22, 1975
    Date of Patent: May 31, 1977
    Inventor: Willem Hendrik Willemsen
  • Patent number: 4011038
    Abstract: A plate for a device for the manufacture of so-called potato sticks from dough like material, said plate being provided with apertures separated from one another by separating ribs. In order to prevent that the sticks manufactured by said plate will not adhere to one another said separating ribs being provided at at least two opposite sides with slots or recesses by means of which ridges are formed on the manufactured sticks, which prevent that the sticks adhere to one another with large surfaces.
    Type: Grant
    Filed: April 15, 1976
    Date of Patent: March 8, 1977
    Inventor: Willem Hendrik Willemsen