Patents by Inventor Paul Joseph Dewulf

Paul Joseph Dewulf 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).

  • Method of manufacturing elements of crystallized sugar
    Patent number: RE29129
    Abstract: .[.Method for drying crystallized sugar in the presence of a heated environment, wherein said environment has a relative humidity less than, but close to the equilibrium relative humidity of the sugar to be dried, at the temperature of the environment. This method permits crystallized sugar to be obtained in bright crystals and to exhibit physical characteristics similar to those of products produced by the Adant method, such as hardness, resistance to abrasion, porosity, rate of dissolution, and density..]..Iadd.
    Type: Grant
    Filed: May 22, 1975
    Date of Patent: February 1, 1977
    Assignee: Raffinerie Tirlemontoise
    Inventors: Georges Francois Duchateau, Paul Joseph Dewulf