Patents by Inventor Thomas Prietl

Thomas Prietl 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).

  • Patent number: 10926318
    Abstract: The invention relates to a refractory ceramic gas purging element featuring an insert which was cast into a blind hole within a refractory gas permeable body, which insert is made of a refractory ceramic material and has a density different to that of the body.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: February 23, 2021
    Assignee: Refractory Intellectual Property GmbH & Co. KG
    Inventors: Thomas Prietl, Bernd Trummer
  • Publication number: 20190118247
    Abstract: The invention relates to a refractory ceramic gas purging element featuring an insert which was cast into a blind hole within a refractory gas permeable body, which insert is made of a refractory ceramic material and has a density different to that of the body.
    Type: Application
    Filed: September 18, 2018
    Publication date: April 25, 2019
    Inventors: Thomas Prietl, Bernd Trummer