Patents Assigned to Dipperfox OÜ
  • Patent number: 12268129
    Abstract: This invention includes a stump crusher used as an attachment for an excavator or some other digging machine or a forest harvester to mill the stumps of felled trees level with the ground. The stump crusher comprises interconnected and interacting assemblies including a hydraulic motor assembly on the side of the machine implement comprising a hydraulic motor housing, a hydraulic system necessary for controlling the hydraulic motor arranged in the hydraulic motor housing, a gearbox connected to the hydraulic motor and attached to the gearbox housing, to the lower end of which is attached a flange, to which is attached a blade holder of the stump crusher together with the blades of the stump crusher.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: April 8, 2025
    Assignee: DIPPERFOX OÜ
    Inventor: Jaana Külm
  • Publication number: 20230397548
    Abstract: This invention includes a stump crusher used as an attachment for an excavator or some other digging machine or a forest harvester to mill the stumps of felled trees level with the ground. The stump crusher comprises interconnected and interacting assemblies including a hydraulic motor assembly on the side of the machine implement comprising a hydraulic motor housing, a hydraulic system necessary for controlling the hydraulic motor arranged in the hydraulic motor housing, a gearbox connected to the hydraulic motor and attached to the gearbox housing, to the lower end of which is attached a flange, to which is attached a blade holder of the stump crusher together with the blades of the stump crusher.
    Type: Application
    Filed: May 20, 2021
    Publication date: December 14, 2023
    Applicant: DIPPERFOX OÜ
    Inventor: Jaana KÜLM
  • Patent number: D963704
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: September 13, 2022
    Assignee: Dipperfox OÜ
    Inventor: Jaana Külm
  • Patent number: D991992
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: July 11, 2023
    Assignee: Dipperfox OÜ
    Inventor: Jaana Külm