Patents by Inventor Oskar SJÖHOLM

Oskar SJÖHOLM 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).

  • Mining or construction vehicle and a hydraulic cylinder conduit enclosing a conduit arrangement
    Patent number: 11661797
    Abstract: A mining or construction vehicle comprising an extendable boom comprised of a first and a second telescopic section extending in a longitudinal direction, wherein the first telescopic section is arranged to be connected to the mining or construction vehicle and a hydraulic device is arranged to be connected to a mounting device at a free end of the second telescopic section, wherein a hydraulic cylinder is arranged in connection to the extendable boom to govern extension of said extendable boom. Hydraulic conduit for supply of hydraulic fluid to the hydraulic device on the mounting device are arranged through the length of the extendable boom.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: May 30, 2023
    Assignee: EPIROC ROCK DRILLS AKTIEBOLAG
    Inventors: Oskar Sjöholm, Patrik Roth, Fredrik A. Andersson, Per-Anders Kumlin
  • Mining or construction vehicle
    Patent number: 11585154
    Abstract: A mining or construction vehicle comprising a boom extending in a first direction, which boom, via a first and a second rotation device, is connected to a hydraulic device arranged on a mounting device arranged at a free end of said boom, the first rotation device being arranged to provide a rotation around a first axis that is substantially parallel to the first direction, and a second rotation device being arranged to provide a rotation around a second axis that is arranged at an angle with respect to the first axis. Hydraulic conduits for supply of hydraulic fluid to said hydraulic device on said mounting device are arranged through at least one of the first and second rotation devices.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: February 21, 2023
    Assignee: EPIROC ROCK DRILLS AKTIEBOLAG
    Inventors: Oskar Sjöholm, Fredrik A. Andersson, Per-Anders Kumlin, Marcus Almqvist
  • MINING OR CONSTRUCTION VEHICLE
    Publication number: 20210025237
    Abstract: A mining or construction vehicle comprising a boom extending in a first direction, which boom, via a first and a second rotation device, is connected to a hydraulic device arranged on a mounting device arranged at a free end of said boom, the first rotation device being arranged to provide a rotation around a first axis that is substantially parallel to the first direction, and a second rotation device being arranged to provide a rotation around a second axis that is arranged at an angle with respect to the first axis. Hydraulic conduits for supply of hydraulic fluid to said hydraulic device on said mounting device are arranged through at least one of the first and second rotation devices.
    Type: Application
    Filed: June 11, 2018
    Publication date: January 28, 2021
    Applicant: EPIROC ROCK DRILLS AKTIEBOLAG
    Inventors: Oskar SJÖHOLM, Fredrik A. ANDERSSON, Per-Anders KUMLIN, Marcus ALMQVIST
  • MINING OR CONSTRUCTION VEHICLE AND A HYDRAULIC CYLINDER CONDUIT ENCLOSING A CONDUIT ARRANGEMENT
    Publication number: 20200284097
    Abstract: A mining or construction vehicle comprising an extendable boom comprised of a first and a second telescopic section extending in a longitudinal direction, wherein the first telescopic section is arranged to be connected to the mining or construction vehicle and a hydraulic device is arranged to be connected to a mounting device at a free end of the second telescopic section, wherein a hydraulic cylinder is arranged in connection to the extendable boom to govern extension of said extendable boom. Hydraulic conduit for supply of hydraulic fluid to the hydraulic device on the mounting device are arranged through the length of the extendable boom.
    Type: Application
    Filed: June 11, 2018
    Publication date: September 10, 2020
    Applicant: EPIROC ROCK DRILLS AKTIEBOLAG
    Inventors: Oskar SJÖHOLM, Patrik ROTH, Fredrik A. ANDERSSON, Per-Anders KUMLIN