Patents by Inventor Erwin FEUSI

Erwin FEUSI 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 at least one component for a hydraulic displacement unit
    Patent number: 10988837
    Abstract: The present application relates to a method for producing at least one component for a hydraulic displacement unit, wherein the method is characterized by the steps: prefabrication of a blank component for the at least one component, wherein at least one defined surface region of the blank component is fabricated intentionally with oversize, surface-hardening of the blank component, and final forming of the component from the hardened blank component by removal of the excessive material at the at least one defined surface region fabricated with oversize.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: April 27, 2021
    Assignee: Liebherr Machines Bulle SA
    Inventors: Jose Bapst, Carsten Kollmeyer, Erwin Feusi, Gabriel Meckl
  • METHOD FOR PRODUCING AT LEAST ONE COMPONENT FOR A HYDRAULIC DISPLACEMENT UNIT
    Publication number: 20190062893
    Abstract: The present application relates to a method for producing at least one component for a hydraulic displacement unit, wherein the method is characterized by the steps: prefabrication of a blank component for the at least one component, wherein at least one defined surface region of the blank component is fabricated intentionally with oversize, surface-hardening of the blank component, and final forming of the component from the hardened blank component by removal of the excessive material at the at least one defined surface region fabricated with oversize.
    Type: Application
    Filed: August 21, 2018
    Publication date: February 28, 2019
    Inventors: Jose BAPST, Carsten KOLLMEYER, Erwin FEUSI, Gabriel MECKL
  • Piston for an axial piston machine
    Patent number: 9593774
    Abstract: A piston for an axial machine includes a piston body having a cavity that is closed in a pressure-tight way. The cavity is divided into a plurality of chambers, arranged one beside the other in cross-section.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: March 14, 2017
    Assignee: Liebherr Machines Bulle SA
    Inventors: Mario Baeriswyl, Erwin Feusi
  • Piston for an Axial Piston Machine
    Publication number: 20140283681
    Abstract: A piston for an axial machine includes a piston body having a cavity that is closed in a pressure-tight way. The cavity is divided into a plurality of chambers, arranged one beside the other in cross-section.
    Type: Application
    Filed: March 24, 2014
    Publication date: September 25, 2014
    Applicant: LIEBHERR MACHINES BULLE SA
    Inventors: Mario BAERISWYL, Erwin FEUSI