Patents by Inventor Ulf Daniel Widlund

Ulf Daniel Widlund 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).

  • LIP FOR EXCAVATING BUCKET
    Publication number: 20240247463
    Abstract: A cast lip for an excavating bucket composed of a ferrous alloy having at least seven percent chromium by weight, 3%-6% nickel by weight, and ?0.12% carbon by weight, and a primarily martensitic structure.
    Type: Application
    Filed: April 4, 2024
    Publication date: July 25, 2024
    Applicant: ESCO Group LLLC
    Inventors: Robin K. Churchill, Michael B. Roska, Ulf Daniel Widlund
  • Lip for excavating bucket
    Patent number: 11952742
    Abstract: A cast lip for an excavating bucket composed of a ferrous alloy having at least seven percent chromium by weight, 3%-6% nickel by weight, and ?0.12% carbon by weight, and a primarily martensitic structure.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: April 9, 2024
    Assignee: ESCO GROUP LLC
    Inventors: Robin K. Churchill, Michael B. Roska, Ulf Daniel Widlund
  • LIP FOR EXCAVATING BUCKET
    Publication number: 20200308804
    Abstract: A cast lip for an excavating bucket composed of a ferrous alloy having at least seven percent chromium by weight, 3%-6% nickel by weight, and ?0.12% carbon by weight, and a primarily martensitic structure.
    Type: Application
    Filed: March 27, 2020
    Publication date: October 1, 2020
    Applicant: ESCO Group LLC
    Inventors: Robin K. Churchill, Michael B. Roska, Ulf Daniel Widlund