Patents by Inventor Kristian HUMMELGÅRD

Kristian HUMMELGÅRD 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).

  • Patent number: 12202668
    Abstract: A compression apparatus for compressing refuse into a collection bin is provided. The compression apparatus includes: a compression tool having a first end and a second end, where the first end of the compression tool is pivotably hinged in the compression apparatus, and rotation of the second end of the compression tool is actuated by a hydraulic cylinder. Further, the hydraulic cylinder includes three separate chambers such that a first extracting chamber and a second extracting chamber are arranged on an extracting side of the hydraulic cylinder, and a retracting chamber is arranged on a retracting side of the hydraulic cylinder, and the first extracting chamber and the second extracting chamber are configured to be utilized separately or jointly. A method for operating a compression apparatus for a refuse collection bin also is provided.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: January 21, 2025
    Assignee: AB NÄRPES TRÄ & METALL—OY NÄRPION PUU JA METALLI
    Inventors: Peter Stambro, Kristian Hummelgård
  • Publication number: 20230373714
    Abstract: The invention relates to a compression apparatus for compressing refuse into a collection bin, the compression apparatus comprising: a compression tool having a first end and a second end, wherein the first end of the compression tool is pivotably hinged in the compression apparatus, and rotation of the second end of the compression tool is actuated by a hydraulic cylinder. Further the hydraulic cylinder comprises three separate chambers such that a first extracting chamber and a second extracting chamber are arranged on extracting side of the hydraulic cylinder, and a retracting chamber is arranged on retracting side of the hydraulic cylinder, and the first extracting chamber and the second extracting chamber are configured to be utilized separately or jointly. The invention also relates to a method for operating a compression apparatus for a refuse collection bin.
    Type: Application
    Filed: May 23, 2022
    Publication date: November 23, 2023
    Inventors: Peter STAMBRO, Kristian HUMMELGÅRD