Patents by Inventor Elizabeta Amzova

Elizabeta Amzova 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).

  • HOLLOW-FLOOR ELEMENTS AND METHOD FOR MANUFACTURING A HOLLOW-FLOOR ELEMENT
    Publication number: 20180127988
    Abstract: The invention relates to hollow-floor elements for use in a hollow-floor. The hollow-floor elements comprise at least two superimposed load-bearing individual panels, which are firmly joined together. Especially preferably the at least one load-bearing individual panel comprises a gypsum fiberboard. In addition, the invention relates to a method for manufacturing such hollow-floor elements.
    Type: Application
    Filed: January 10, 2018
    Publication date: May 10, 2018
    Inventors: Jürgen Burczeck, Vladimir Stefanov Tsvetanov, Vanya Stancheva Ivanova-Tsaneva, Ventzislav Vlahov, Elizabeta Amzova