Patents by Inventor Jorgen Jonasson

Jorgen Jonasson 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).

  • Rock drilling device with recoil damper
    Patent number: 5479996
    Abstract: Rock drilling device for drilling with a drill string comprising a set of tubes (1) and a set of rods (2) arranged centrally in the set of tubes.
    Type: Grant
    Filed: October 6, 1994
    Date of Patent: January 2, 1996
    Assignee: Atlas Copco Rocktech AB
    Inventors: Christer Jonsson, Jorgen Jonasson