Patents by Inventor Johann D Le Roux

Johann D Le Roux 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 drying a porous body
    Patent number: 5979073
    Abstract: A method of making a dried porous ceramic body having interconnected surface pores and interior channels. The body is formed by extrusion from a paste and is irradiated with microwave radiation to heat it for an initial period at a rate of at least 15.degree. C./minute, after which the irradiation is reduced so that the body is heated at a rate of at most 1.degree. C./minute. Heat loss from the external surface of the body, during heating, is resisted.
    Type: Grant
    Filed: April 6, 1998
    Date of Patent: November 9, 1999
    Assignee: Implico B.V.
    Inventors: Paul F Fuls, Johann D Le Roux