Patents Assigned to Sleipner Group Oy
  • Patent number: 12637154
    Abstract: A trailer includes a frame comprising a front end, a rear end and a vehicle platform for supporting a working machine to be transported on the trailer frame. Wheels support the trailer on a ground surface. At least one loading ramp is attached in an articulated manner to the rear end of the trailer frame by a transverse pivot joint. Each loading ramp is arranged to rest on the ground surface in a loading position for moving the working machine onto the vehicle platform. Each loading ramp) includes a ramp frame having a first end adjacent the rear end of the trailer frame and a second end opposite the first end. A transverse pivot joint is formed in the ramp frame between the first end of the ramp frame and the second end at a distance (d) from the first end of the ramp frame and includes at least one pivot pin and at least one slot which allow a limited inclination of each loading ramp about a longitudinal axis located between the first end of the ramp frame and the second end of the ramp frame.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: May 26, 2026
    Assignee: SLEIPNER GROUP OY
    Inventor: Joona Miettinen
  • Patent number: 12583272
    Abstract: A system for moving a work machine includes a towing vehicle, a trailer arranged to be towed with the towing vehicle, and a towing arrangement for the towing vehicle. The towing vehicle includes a towing vehicle's towing point arranged under its chassis between the front axle and rear axle. The trailer includes a chassis and a towing arm, a deck, and wheels.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: March 24, 2026
    Assignee: Sleipner Group Oy
    Inventors: Ossi Kortesalmi, Joona Miettinen
  • Patent number: D1128518
    Type: Grant
    Filed: March 19, 2024
    Date of Patent: June 2, 2026
    Assignee: Sleipner Group Oy
    Inventors: Joona Miettinen, Teijo Höylä