Patents by Inventor Olavi Elis Nikkila

Olavi Elis Nikkila 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).

  • Procedure for preserving root crops by deep freezing and their peeling
    Patent number: 4031253
    Abstract: The present invention concerns a procedure for preserving fully ripened potatoes and other root crops that have to be peeled, by deep freezing, and their peeling. In accordance with this invention the products to be preserved are preboiled or boiled and deep frozen in unpeeled condition, or alternatively in partly peeled condition, and the peeling proper is carried out after deep freezing.
    Type: Grant
    Filed: November 3, 1975
    Date of Patent: June 21, 1977
    Assignees: Mikko Tapani Suortti, Yrjo Malkki
    Inventors: Mikko Tapani Suortti, Yrjo Molkki, Olavi Elis Nikkila
  • Method for preventing microbial surface deterioration of foods and feeds
    Patent number: 3996386
    Abstract: Method for preventing moulding or other microbial surface deterioration of foods and feeds due to micro-organisms by using a preservative substance, either a chemically defined food additive or a vegetable extract having microbicidal or microbe-inhibiting effect. The preservative is applied in the form of an aerosol in which a substantial part of the particles or droplets in the aerosol have a diameter less than 5 microns, preferably within the limits 0.2-2 microns. The aim of the present invention is to reduce the economic losses and health risks caused by mould formation and other microbial surface growth on food materials and articles and feeds.
    Type: Grant
    Filed: September 9, 1974
    Date of Patent: December 7, 1976
    Inventors: Yrjo Malkki, Olavi Elis Nikkila