Patents by Inventor Martin Trommer

Martin Trommer 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: 20020122902
    Abstract: An object of the present invention is to provide an improved blank such that an optical member of a high homogeneity can be obtained therefrom, and to provide a vessel and a heat treatment method for heat-treating a highly uniform synthetic quartz blank. In a first aspect of the invention a special designed blank is provided showing a concave shaped outer surface. In a second aspect of the invention a special designed vessel for heat-treating blanks is provided, whereby the degree of heat emission at the center is set higher than that of the surroundings.
    Type: Application
    Filed: November 28, 2001
    Publication date: September 5, 2002
    Inventors: Tetsuji Ueda, Akira Fujinoki, Hiroyuki Nishimura, Martin Trommer, Stefan Ochs