Patents by Inventor Hubetina Ulenaers

Hubetina Ulenaers 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).

  • Red-colored electric lamp
    Publication number: 20060033440
    Abstract: The invention relates to electric lamps and more particularly to automotive signal lamps. A glass composition is described for use in electric lamps, which glass is red colored. The glass composition comprises copper between 0.1 and 2% by weight, tin between 0.1 and 2% by weight, barium between 7 and 11% by weight, and strontium between 1 and 5% by weight.
    Type: Application
    Filed: October 16, 2003
    Publication date: February 16, 2006
    Inventors: Maarten Steinmann, Hubetina Ulenaers, Simon Krijnen, Simon Flink