Patents by Inventor Veikko Lintu

Veikko Lintu 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: 6199656
    Abstract: A rock drilling rig includes a movable carrier with a boom attached to it and movable in various ways. The free end of the boom is provided with drilling equipment. The drilling equipment is enclosed in a casing that prevents noise generated during drilling from spreading to the surroundings. The casing is arranged to move together with a feed beam and relative to the cradle mounted on the end of the boom. A flexible noise attenuating skirt projects forwardly from a front end of the casing for forming a sealed chamber around a drilling head.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: March 13, 2001
    Assignee: Sandvik AB
    Inventors: Arto Vento, Jukka Tantari, Kari Saarinen, Pasi Julkunen, Veikko Lintu, Seppo Peltola, Tapani Sormunen