Patents by Inventor Juha HOFFREN

Juha HOFFREN 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).

  • Sensor system of underground mining vehicles and underground mining vehicle comprising sensor system
    Patent number: 12618327
    Abstract: A sensor system of underground mining vehicles, which system is arranged to be fastened at a perimeter of an underground mining vehicle, comprising a sensor (1) and a stand (2), wherein the stand comprises a mounting plate (3) for fastening the stand (2) to the underground mining vehicle, a movable plate (4) fastened moveably to the mounting plate (3), a guard member (7a, 7b, . . . ) fastened to the movable plate (4), and a biasing member (9a, 9b, . . . ) fastened between the movable plate (4) and the mounting plate (3). The sensor (1) is fastened to the movable plate (4). The movable plate (4) has two positions: a resting position, and a retracted position, and the biasing member (9a, 9b, . . . ) is biasing the movable plate (4) to the resting position.
    Type: Grant
    Filed: February 3, 2023
    Date of Patent: May 5, 2026
    Assignee: Sandvik Mining and Construction Oy
    Inventors: Pekka Tamminen, Jussi Tuominen, Jani Saarinen, Juha Hoffren, Hannu Helen, Mikko Huurre, Marko Vuokila
  • SENSOR SYSTEM OF UNDERGROUND MINING VEHICLES AND UNDERGROUND MINING VEHICLE COMPRISING SENSOR SYSTEM
    Publication number: 20250129719
    Abstract: A sensor system of underground mining vehicles, which system is arranged to be fastened at a perimeter of an underground mining vehicle, comprising a sensor (1) and a stand (2), wherein the stand comprises a mounting plate (3) for fastening the stand (2) to the underground mining vehicle, a movable plate (4) fastened moveably to the mounting plate (3), a guard member (7a, 7b, . . . ) fastened to the movable plate (4), and a biasing member (9a, 9b, . . . ) fastened between the movable plate (4) and the mounting plate (3). The sensor (1) is fastened to the movable plate (4). The movable plate (4) has two positions: a resting position, and a retracted position, and the biasing member (9a, 9b, . . . ) is biasing the movable plate (4) to the resting position.
    Type: Application
    Filed: February 3, 2023
    Publication date: April 24, 2025
    Applicant: Sandvik Mining and Construction Oy
    Inventors: Pekka TAMMINEN, Jussi TUOMINEN, Jani SAARINEN, Juha HOFFREN, Hannu HELEN, Mikko HUURRE, Marko VUOKILA