Patents by Inventor David KAMPITSCH

David KAMPITSCH 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: 12240146
    Abstract: The invention relates to a nozzle (10) for dispensing concrete, mortar or the like, comprising a housing (12) and a mixing chamber (14) which is arranged therein and is delimited by a circumferential wall (16) and extends along a longitudinal axis (L) at least between a supply opening (19) and an outlet opening (20); an actively driveable mixing device, which is arranged in the mixing chamber (14); and an exit opening (32), which is directly or indirectly flow-connected to the outlet opening (20) of the mixing chamber (14). At least one cavity (44; 44a, 44b), which extends axially and in the circumferential direction, is arranged around the circumferential wall (16) of the mixing chamber (14) and is in contact with the circumferential wall (16) and at least substantially surrounds the mixing chamber (14) in the circumferential direction.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: March 4, 2025
    Assignee: MAI INTERNATIONAL GMBH
    Inventors: Klaus Kampitsch, David Kampitsch
  • Publication number: 20230302680
    Abstract: The invention relates to a nozzle (10) for dispensing concrete, mortar or the like, comprising a housing (12) and a mixing chamber (14) which is arranged therein and is delimited by a circumferential wall (16) and extends along a longitudinal axis (L) at least between a supply opening (19) and an outlet opening (20); an actively driveable mixing device, which is arranged in the mixing chamber (14); and an exit opening (32), which is directly or indirectly flow-connected to the outlet opening (20) of the mixing chamber (14). At least one cavity (44; 44a, 44b), which extends axially and in the circumferential direction, is arranged around the circumferential wall (16) of the mixing chamber (14) and is in contact with the circumferential wall (16) and at least substantially surrounds the mixing chamber (14) in the circumferential direction.
    Type: Application
    Filed: June 1, 2021
    Publication date: September 28, 2023
    Inventors: Klaus KAMPITSCH, David KAMPITSCH