Patents by Inventor Sven GIESE

Sven GIESE 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 for producing a multi-layer blank with a through-hole
    Patent number: 12251277
    Abstract: A method for forming a multi-layer blank of a ceramic material including the steps of: providing a mold that includes at least one side wall surrounding a lower press plunger to form a cavity therebetween, wherein the lower press plunger has a movable pin; filling into the mold a first ceramic material; extending the movable pin from an upper surface of the lower press plunger and into the cavity; pressing a first upper press plunger against the first ceramic material so that a first open cavity is formed while at least a portion of the first upper press plunger is in contact with the movable pin to maintain the through-hole through the first layer; filling into the mold a second ceramic material of a different composition; extending the movable pin from an upper surface of the first layer and into the first open cavity; and pressing a second upper press plunger against the second layer so that a second open cavity is formed in communication with the through-hole that extends through the first and second laye
    Type: Grant
    Filed: February 4, 2022
    Date of Patent: March 18, 2025
    Assignee: Dentsply Sirona Inc.
    Inventors: Stefan Fecher, Lothar Völkl, Sven Giese, Tobias Rösch, Andreas Gebhardt
  • METHOD FOR PRODUCING A MULTI-LAYER BLANK WITH A THROUGH-HOLE
    Publication number: 20230249379
    Abstract: A method for forming a multi-layer blank of a ceramic material including the steps of: providing a mold that includes at least one side wall surrounding a lower press plunger to form a cavity therebetween, wherein the lower press plunger has a movable pin; filling into the mold a first ceramic material; extending the movable pin from an upper surface of the lower press plunger and into the cavity; pressing a first upper press plunger against the first ceramic material so that a first open cavity is formed while at least a portion of the first upper press plunger is in contact with the movable pin to maintain the through-hole through the first layer; filling into the mold a second ceramic material of a different composition; extending the movable pin from an upper surface of the first layer and into the first open cavity; and pressing a second upper press plunger against the second layer so that a second open cavity is formed in communication with the through-hole that extends through the first and second laye
    Type: Application
    Filed: February 4, 2022
    Publication date: August 10, 2023
    Applicant: DENTSPLY SIRONA INC.
    Inventors: Stefan FECHER, Lothar VÖLKL, Sven GIESE, Tobias RÖSCH, Andreas GEBHARDT