Patents by Inventor Johannes HAKULINEN

Johannes HAKULINEN 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).

  • SCRAPER, ROCK DRILLING UNIT AND METHOD
    Publication number: 20230313618
    Abstract: A scraper, rock drilling unit, and a method of cleaning a feed beam of a rock drilling unit is provided. The scraper includes a scraper element and a bracket mountable to the feed beam. The bracket provides the scraper element with a floating support. There is at least one force element provided for generating a force for moving the scraper element in relation to the bracket.
    Type: Application
    Filed: March 31, 2023
    Publication date: October 5, 2023
    Inventors: Johannes HAKULINEN, Juha PIISPANEN, Sirpa LAUNIS, Jussi HUHTANEN