Patents by Inventor David BÜCHNER

David BÜCHNER 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: 10940642
    Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material (2) which can be consolidated by means of an energy beam, with a process chamber (3) comprising at least a first and a second region (4, 5), wherein in the first region (4) build material (2) is applied and irradiated on a build plane (6), wherein a stream generating unit is provided that is configured to generate a stream of process gas (10) in the process chamber (3) separating the first region (4) from the second region (5).
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: March 9, 2021
    Assignee: CONCEPT LASER GMBH
    Inventor: David Büchner
  • Publication number: 20190030815
    Abstract: Apparatus (1) for additively manufacturing of three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material (2) which can be consolidated by means of an energy beam, with a process chamber (3) comprising at least a first and a second region (4, 5), wherein in the first region (4) build material (2) is applied and irradiated on a build plane (6), wherein a stream generating unit is provided that is configured to generate a stream of process gas (10) in the process chamber (3) separating the first region (4) from the second region (5).
    Type: Application
    Filed: July 26, 2018
    Publication date: January 31, 2019
    Applicant: CONCEPT LASER GMBH
    Inventor: David BÜCHNER