Patents by Inventor Hartwing Ahnfeldt

Hartwing Ahnfeldt 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: 20160100914
    Abstract: A dental repositioning device is disclosed which comprises a support plate having a first rod embedded therein and a second rod embedded therein, a first anterior mechanism having a top opening for receiving a set screw and a rear opening, a second anterior mechanism having a top opening for receiving a set screw and a rear opening, a first rod connected between the first anterior mechanism and a first rear mechanism and a spring inserted over the first rod between the first anterior mechanism and the first rear mechanism, a second rod connected between the second anterior mechanism and a second rear mechanism and a spring inserted over the second rod between the second anterior mechanism and the second rear mechanism, a first Z-clip for insertion into the first rear mechanism and a first buccal tube, and a second Z-clip for insertion into the second rear mechanism and a second buccal tube.
    Type: Application
    Filed: September 28, 2015
    Publication date: April 14, 2016
    Inventors: Darren Buddemeyer, Hartwing Ahnfeldt, Matthias Hahn