Patents by Inventor Harald Harmuth

Harald Harmuth 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).

  • Publication number: 20210078905
    Abstract: The invention relates to a batch composition for producing a carbon-bonded refractory stone, a method for producing a carbon-bonded refractory stone, and use of Ti2AlC.
    Type: Application
    Filed: August 24, 2018
    Publication date: March 18, 2021
    Inventors: Christina Atzenhofer, Harald Harmuth, Roland Nilica, Norbert Freiberger
  • Patent number: 9428421
    Abstract: The invention relates to a method for producing a refractory material based on magnesia or magnesia spinel, and to a refractory material based on magnesia or magnesia spinel.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: August 30, 2016
    Assignee: REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG
    Inventors: Harald Harmuth, Sabine Gschiel, Zoltan Lences, Pavol Sajgalik
  • Patent number: 9334190
    Abstract: A refractory ceramic batch with the composition of 75 to 98% by weight of at least one basic base material from the group having sintered magnesia and fused magnesia, 2 to 25% by weight. of at least one granular aggregate from the group having silicon carbide, silicon nitride, silicon oxycarbide, silicon oxycarbonitride, and a maximum 5% by weight of other constituents.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: May 10, 2016
    Assignee: REFRACTORY INTELLECTUAL PROPERTY GMBH & Co KG
    Inventors: Harald Harmuth, Sabine Gschiel
  • Publication number: 20150284293
    Abstract: The invention relates to a method for producing a refractory material based on magnesia or magnesia spinel, and to a refractory material based on magnesia or magnesia spinel.
    Type: Application
    Filed: September 26, 2013
    Publication date: October 8, 2015
    Inventors: Harald Harmuth, Sabine Gschiel, Zoltan Lences, Pavol Sajgalik
  • Publication number: 20150087496
    Abstract: The invention relates to a refractory ceramic batch and to a refractory ceramic brick produced therefrom.
    Type: Application
    Filed: May 7, 2013
    Publication date: March 26, 2015
    Inventors: Harald Harmuth, Sabine Gschiel
  • Publication number: 20070203013
    Abstract: The intention relates to a ceramic batch for fireproof uses, comprising 83-99.5 wt. % of at least one refractory base material in a grain traction of <8 mm and 0.5-12 wt. % of at least one separate, granular SiO2 carrier and any remainder: other constituents. The invention also relates to a product using this batch.
    Type: Application
    Filed: March 3, 2005
    Publication date: August 30, 2007
    Applicant: REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG
    Inventor: Harald Harmuth
  • Patent number: 6908871
    Abstract: The invention relates to a batch composition for producing a refractory ceramic shaped body, to a shaped body produced therefrom and to the use thereof. The components used are: 68 to 97 wt.-% molten magnesite, sintered magnesite or mixtures thereof, 3 to 20 wt.-% CaO and 0 to 25 wt.-% of a third component.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: June 21, 2005
    Assignee: Veitsch-Radex GmbH & Co.
    Inventors: Gerald Buchebner, Harald Harmuth, Thomas Molinari
  • Publication number: 20030109373
    Abstract: The invention relates to a batch composition for producing a refractory ceramic shaped body, to a shaped body produced therefrom and to the use thereof. The components used are: 68 to 97 wt.- % molten magnesite, sintered magnesite or mixtures thereof, 3 to 20 wt.- % CaO and 0 to 25 wt.- % of a third component.
    Type: Application
    Filed: October 15, 2002
    Publication date: June 12, 2003
    Inventors: Gerald Buchebner, Harald Harmuth, Thomas Molinari
  • Patent number: 5911946
    Abstract: The present invention pertains to a snorkel for a degassing vessel, with a refractory lining and a gas-purging device arranged therein with a plurality of channels, which, distributed over the circumference of the snorkel, extend through the refractory lining in the radial direction in relation to the central longitudinal axis of the snorkel and can be connected on the outside to at least one gas supply line.
    Type: Grant
    Filed: October 14, 1997
    Date of Patent: June 15, 1999
    Assignee: Veitsch-Radex Aktiengesellschaft fur Feuerfeste Erzeugnisse
    Inventors: Klaus Aichinger, Harald Harmuth, Heinrich Niehues, Armin Pertl
  • Patent number: 5723394
    Abstract: The present invention pertains to a refractory ceramic mass, consisting of 50 to 97 wt. % of sintered MgO as well as 3 to 50 wt. % of a spinel of the hercynite type.
    Type: Grant
    Filed: September 17, 1996
    Date of Patent: March 3, 1998
    Assignee: Veitsch-Radex Aktiengesellschaft Fur Feuerfeste Erzeugnisse
    Inventors: Harald Harmuth, Roland Heindl, Josef Deutsch
  • Patent number: 5573987
    Abstract: The present invention pertains to a refractory ceramic mass, consisting of a pure magnesia component A and a component B, which consists of granules of pure magnesia, wherein the magnesia granules of component B have a ceating consisting of a refractory material whose granule size is fine compared with that of the magnesia granules and is chemically extensively inert with respect to the magnesia granule or reacts with the magnesia granule and/or itself consists of a plurality of components that are chemically reactive with one another.
    Type: Grant
    Filed: February 7, 1995
    Date of Patent: November 12, 1996
    Assignee: Veitsch-Radex Aktiengesellschaft fur feuerfeste Erzeugnisse
    Inventors: Harald Harmuth, Roland Heindl, Josef Deutsch
  • Patent number: 5569631
    Abstract: The present invention pertains to a refractory ceramic mass, consisting of 50 to 97 wt. % of sintered MgO as well as 3 to 50 wt. % of a spinel of the hercynite type.
    Type: Grant
    Filed: February 7, 1995
    Date of Patent: October 29, 1996
    Assignee: Veitsch-Radex Aktiengesellschaft Fur Feuerfeste Erzeugnisse
    Inventors: Harald Harmuth, Roland Heindl, Josef Deutsch
  • Patent number: 5552354
    Abstract: The present invention pertains to a refractory brick based on at least one refractory metal oxide in a particle fraction of <8 mm containing 4 to 30 wt. % of a very fine refractory fraction, prepared by firing below a temperature at which the particles of the very fine refractory fraction sinter by recrystallization with grain growth.
    Type: Grant
    Filed: March 16, 1995
    Date of Patent: September 3, 1996
    Assignee: Veitsch-Radex Aktiengesellschaft fur Feuerfeste Erzeugnisse
    Inventors: Harald Harmuth, Roland Heindl, Josef Deutsch