Patents by Inventor David Gautschi

David Gautschi 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).

  • Medium-voltage or high-voltage electrical device having low-thickness hybrid insulation
    Patent number: 11017919
    Abstract: A medium-voltage or high-voltage electrical device comprising a sealed enclosure in which are located electrical components covered with a solid dielectric layer and a gaseous medium ensuring electrical insulation and/or extinguishing electrical arcs, the gaseous medium comprising heptafluoroisobutyronitrile and a dilution gas, the thickness of the solid dielectric layer being less than 1 mm and being produced from a material comprising a polyepoxide or polyurethane resin optionally containing a filler or aluminum oxide.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: May 25, 2021
    Assignee: General Electric Technology GmbH
    Inventors: David Gautschi, Robert Luescher, Yannick Kieffel, François Biquez
  • MEDIUM-VOLTAGE OR HIGH-VOLTAGE ELECTRICAL DEVICE HAVING LOW-THICKNESS HYBRID INSULATION
    Publication number: 20190156968
    Abstract: A medium-voltage or high-voltage electrical device comprising a sealed enclosure in which are located electrical components covered with a solid dielectric layer and a gaseous medium ensuring electrical insulation and/or extinguishing electrical arcs, the gaseous medium comprising heptafluoroisobutyronitrile and a dilution gas, the thickness of the solid dielectric layer being less than 1 mm and being produced from a material comprising a polyepoxide or polyurethane resin optionally containing a filler or aluminum oxide.
    Type: Application
    Filed: December 28, 2016
    Publication date: May 23, 2019
    Applicant: General Electric Technology GmbH
    Inventors: David Gautschi, Robert Luescher, Yannick Kieffel, François Biquez