Patents by Inventor Sven Lehr

Sven Lehr 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).

  • High temperature resistant inorganic fibre based on silica and process for producing the same
    Patent number: 8093164
    Abstract: The present invention relates to a high-temperature resistant inorganic fiber which is based on silica and has improved mechanical properties, a process for producing it and also specific uses thereof and products derived therefrom. The fiber of the invention has the following composition: 81-94% by weight of SiO2, 6-19% by weight of Al2O3, 0-12% by weight of ZrO2, 0-12% by weight of TiO2, 0-3% by weight of Na2O and not more than 1.5% by weight of further components.
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: January 10, 2012
    Assignee: Belchem Fiber Materials GmbH
    Inventors: Robin Richter, Folker Steden, Sven Lehr
  • High Temperature Resistant Inorganic Fibre Based on Silica and Process for Producing the Same
    Publication number: 20100298110
    Abstract: The present invention relates to a high-temperature resistant inorganic fiber which is based on silica and has improved mechanical properties, a process for producing it and also specific uses thereof and products derived therefrom. The fiber of the invention has the following composition: 81-94% by weight of SiO2, 6-19% by weight of Al2O3, 0-12% by weight of ZrO2, 0-12% by weight of TiO2, 0-3% by weight of Na2O and not more than 1.5% by weight of further components.
    Type: Application
    Filed: July 7, 2008
    Publication date: November 25, 2010
    Applicant: BELCHEM FIBER MATERIALS GMBH
    Inventors: Robin Richter, Folker Steden, Sven Lehr