Patents by Inventor Olov Anderson

Olov Anderson 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).

  • System electromagnetic wave-shielding channel parts for forming of an electromagnetic wave-shielding channel system for electrical conductors and a method for the manufacturing of the parts in the system
    Patent number: 6201183
    Abstract: The invention provides a system of electromagnetic parts which form an electromagnetically shielded channel system for electric cables. Tubular parts are provided of a single piece structure, which are extruded from plastic materials and have several layers, including an inner layer of electrically insulating plastic material. There is at least one outer layer of electrically conductive material.
    Type: Grant
    Filed: April 15, 1999
    Date of Patent: March 13, 2001
    Assignee: Protec System AB
    Inventors: Rolf Enbom, Olov Anderson, Bernt Gidlund
  • Tunnel boring machine
    Patent number: 5104261
    Abstract: Tunnel boring machine for reaming of a pilot tunnel (11). The machine housing (12) is provided with a projecting part in front of the boring head (13), said projecting part comprising a part (20) being fixed relative to the machine housing and a shield (19) being separable from the fixed part.This arrangement permits substantially uninterrupted excavation of the tunnel and prevents the excavated soil from becoming wedged between the boring head and the tunnel front.
    Type: Grant
    Filed: November 19, 1990
    Date of Patent: April 14, 1992
    Assignee: Atlas Copco Constructing and Mining Technique AB
    Inventors: Olov Anderson, Helmut Dick, Sverker Hartwig