Patents by Inventor Sven Hellmich

Sven Hellmich 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).

  • Patent number: 12296396
    Abstract: A blank holder and a blank are provided, the blank holder having a receiving area for a substantially disc-shaped blank, the receiving area being curved. The receiving area forms a straight, circular or part-circular or arc-shaped form-fitting profile. The blank has a matching guide shell which can be inserted or turned into the form-fitting profile.
    Type: Grant
    Filed: February 21, 2024
    Date of Patent: May 13, 2025
    Assignee: Ivoclar Vivadent AG
    Inventors: Markus Lichtensteiger, Sven Hellmich
  • Publication number: 20240189929
    Abstract: A blank holder and a blank are provided, the blank holder having a receiving area for a substantially disc-shaped blank, the receiving area being curved. The receiving area forms a straight, circular or part-circular or arc-shaped form-fitting profile. The blank has a matching guide shell which can be inserted or turned into the form-fitting profile.
    Type: Application
    Filed: February 21, 2024
    Publication date: June 13, 2024
    Inventors: Markus Lichtensteiger, Sven Hellmich
  • Patent number: 11938552
    Abstract: A blank holder and a blank are provided, the blank holder having a receiving area for a substantially disc-shaped blank, the receiving area being curved. The receiving area forms a straight, circular or part-circular or arc-shaped form-fitting profile. The blank has a matching guide shell which can be inserted or turned into the form-fitting profile.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: March 26, 2024
    Assignee: Ivoclar Vivadent AG
    Inventors: Markus Lichtensteiger, Sven Hellmich
  • Publication number: 20230158584
    Abstract: A blank holder and a blank are provided, the blank holder having a receiving area for a substantially disc-shaped blank, the receiving area being curved. The receiving area forms a straight, circular or part-circular or arc-shaped form-fitting profile. The blank has a matching guide shell which can be inserted or turned into the form-fitting profile.
    Type: Application
    Filed: November 17, 2022
    Publication date: May 25, 2023
    Inventors: Markus Lichtensteiger, Sven Hellmich