Patents by Inventor Hakan Franzen

Hakan Franzen 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).

  • Publication number: 20080093126
    Abstract: Drill rod support half (20) comprising a surface (21) for direct contact with the drill string (30), and the half being provided with a recess (23) capable of forming a drill string opening (22) with an opposing drill rod support half (20). The invention is characterized in that the recess (23) is generally V-shaped, for enabling guiding of drill strings (30) of different shape and dimension.
    Type: Application
    Filed: February 28, 2006
    Publication date: April 24, 2008
    Inventor: Hakan Franzen