Patents by Inventor Renzo Levati

Renzo Levati 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).

  • Process for peeling tomatoes under vacuum
    Patent number: 4315039
    Abstract: Improved process for peeling tomatoes under vacuum comprises the step of instantaneously connecting the container of the tomatoes to a vacuum vessel and, immediately after, the step of closing this connection and connecting the said container to a vacuum pump. The vacuum applied to the tomatoes is fluctuated downwardly for peeling the tomatoes. Also, disclosed is a machine for peeling tomatoes which comprises flexibles pipes connecting the containers of the tomatoes to a vacuum vessel and/or a vacuum pump via a dehumidifier.
    Type: Grant
    Filed: December 28, 1976
    Date of Patent: February 9, 1982
    Assignee: R. Levati S.p.A.
    Inventor: Renzo Levati
  • Machine for peeling tomatoes under vacuum
    Patent number: 4026203
    Abstract: Machine for peeling tomatoes comprising a series of trays placed on a conveyor, and a series of covers arranged to seal said trays; each cover is connected to a tank under vacuum.
    Type: Grant
    Filed: November 11, 1974
    Date of Patent: May 31, 1977
    Inventor: Renzo Levati