Patents by Inventor Joerg Wittmann

Joerg Wittmann 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).

  • Method of powder blasting for cleaning of tooth surfaces
    Patent number: 9888979
    Abstract: A method for cleaning tooth surfaces with a powder and a powder mixture, preferably by powder blasting with a powder-jet device, said device mixing the powder or the powder mixture with air to form a powder/air mixture, wherein said powder and/or powder mixture is an alditol or contains such alditol. Preferably, mannitol and/or erythritol are used, because of their anti-cariogenic effect. Xylitol is also suitable for cleaning tooth surfaces, especially of less strongly mineralized tooth surfaces like dentine.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: February 13, 2018
    Assignee: FERTON HOLDING S.A.
    Inventors: Marcel Donnet, Joerg Wittmann