Patents by Inventor Lauri Marttiini

Lauri Marttiini 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).

  • Knife
    Patent number: 6408525
    Abstract: The invention relates to a knife comprising a blade with a blade tang at one end, a handle and an insert, which can be assembled by joining the insert and the blade tang, and when assembled, the insert and the blade tang are fitted into a hole in the handle having a cross-section substantially equal to the cross-section of the insert portion to be fitted within the handle. The invention is characterised in that at least part of the surface of the portion (6) of the insert (2) to be fitted within the handle (3) is a substantially non-smooth surface.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: June 25, 2002
    Assignee: J. Marttiinin Puukkotehdas Oy
    Inventor: Lauri Marttiini
  • Method for making a knife and a product corresponding to the method
    Patent number: 5155913
    Abstract: The invention relates to a knife and the method of making the same. The knife includes a blade, a blade's root end, an elongated intermediate piece and handle. The knife is made by connecting the blade including the root end, the intermediate piece and the handle to each other by gluing.
    Type: Grant
    Filed: April 9, 1991
    Date of Patent: October 20, 1992
    Assignee: J. Marttiinin Puukkotehdas Oy
    Inventor: Lauri Marttiini