Patents by Inventor Pascal FRITSCH

Pascal FRITSCH 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 of manufacturing a pipe having a connecting flange
    Patent number: 11666992
    Abstract: The invention relates to a method of manufacturing a pipe having a connecting flange, wherein the flange part is welded to an end face pipe end and at least one protrusion of the pipe or of the flange part is provided in the region of the flange hub and contacts the inner wall of the other part on the joining together of the pipe and the flange part to cover the formed weld joint to the pipe interior; and wherein finally the pipe and the flange part are welded to one another.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: June 6, 2023
    Assignee: Liebherr-France SAS
    Inventor: Pascal Fritsch
  • Verfahren zur Herstellung eines Rohres mit Verbindungsflansch
    Publication number: 20200338670
    Abstract: The invention relates to a method of manufacturing a pipe having a connecting flange, wherein the flange part is welded to an end face pipe end and at least one protrusion of the pipe or of the flange part is provided in the region of the flange hub and contacts the inner wall of the other part on the joining together of the pipe and the flange part to cover the formed weld joint to the pipe interior; and wherein finally the pipe and the flange part are welded to one another.
    Type: Application
    Filed: April 23, 2020
    Publication date: October 29, 2020
    Inventor: Pascal Fritsch
  • Excavator boom and excavator
    Patent number: 10378182
    Abstract: The present invention relates to a boom for an earth-moving machine, in particular an excavator, with at least two bearing plates for supporting a cylinder unit, which at least for the most part extend parallel to each other in the longitudinal direction of the boom, wherein the bearing plates have an end-side curvature extending outwardly to the lateral edge of the boom.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: August 13, 2019
    Assignee: Liebherr-France SAS
    Inventors: Guillaume Elbel, Thomas Münch, Pascal Fritsch
  • BAGGERAUSLEGER UND BAGGER
    Publication number: 20190085533
    Abstract: The present invention relates to a boom for an earth-moving machine, in particular an excavator, with at least two bearing plates for supporting a cylinder unit, which at least for the most part extend parallel to each other in the longitudinal direction of the boom, wherein the bearing plates have an end-side curvature extending outwardly to the lateral edge of the boom.
    Type: Application
    Filed: September 13, 2018
    Publication date: March 21, 2019
    Inventors: Guillaume ELBEL, Thomas MÜNCH, Pascal FRITSCH