Patents by Inventor Ralph G. Luthardt

Ralph G. Luthardt 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: 20130157212
    Abstract: The invention relates to a method for reversibly securing an attachment part to a base part by means of a connecting means which rigidly connects these parts to each other. For this purpose, an adhesive separating material is disposed between the base part and the attachment part, said material losing its adhesive effect reversibly or irreversibly under the effect of electromagnetic radiation.
    Type: Application
    Filed: June 10, 2011
    Publication date: June 20, 2013
    Inventors: Raimund Hibst, Ralph G. Luthardt, Karl Stock, Heike Rudolph, Katharina Kuhn
  • Patent number: 6431871
    Abstract: The invention relates to a method for the computer-controlled production of dentures for restoring at least one tooth or jaw area, especially in terms of occlusal or incisal contact. The aim of the invention is to provide a simple means of producing dentures using CAD/CAM techniques, at the same time ensuring that the contact surfaces of the denture have the individual shape required so that absolutely no subsequent work is necessary.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: August 13, 2002
    Inventor: Ralph G. Luthardt