Patents by Inventor Markku RUOKANEN

Markku RUOKANEN 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).

  • Glaze for a ceramic article
    Patent number: 10941082
    Abstract: The glaze is prepared from the following raw materials in percentage by weight: Fire Clay 10%-25%, Feldspar 30%-40%, Sand 30%-40%, Calcium Silicate 8%-12%, Graphane (i.e., disordered crystalline and hydrogenated double bounded Carbon) 5%-15% or C-doped Boron Nitride (CBN) 5%-15%, various metal oxides as pigments and water. This glaze is applied on the standard glazing operation in the ceramic insulator manufacturing process and is fired in a controlled inert-gas atmosphere.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: March 9, 2021
    Assignee: PPC AUSTRIA HOLDING GMBH
    Inventors: Markku Ruokanen, Juergen Hoffmann
  • GLAZE FOR A CERAMIC ARTICLE
    Publication number: 20190276373
    Abstract: The glaze is prepared from the following raw materials in percentage by weight: Fire Clay 10%-25%, Feldspar 30%-40%, Sand 30%-40%, Calcium Silicate 8%-12%, Graphane (i.e., disordered crystalline and hydrogenated double bounded Carbon) 5%-15% or C-doped Boron Nitride (CBN) 5%-15%, various metal oxides as pigments and water. This glaze is applied on the standard glazing operation in the ceramic insulator manufacturing process and is fired in a controlled inert-gas atmosphere.
    Type: Application
    Filed: November 6, 2017
    Publication date: September 12, 2019
    Inventors: Markku RUOKANEN, Juergen HOFFMANN