Patents by Inventor Veikki Polvi

Veikki Polvi 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).

  • Cooling element and method for manufacturing cooling elements
    Patent number: 6783726
    Abstract: A cooling element designed particularly for furnaces, said element comprising a housing (1) mainly made of copper, and a channel system (6) provided in the housing for cooling medium circulation. At least on a part of the surface of the element housing (1), there is arranged, by means of a diffusion joint, a corrosion-resistant surface layer (2). The invention also relates to a method for arranging said surface layer in the cooling element.
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: August 31, 2004
    Assignee: Outokumpa Oyj
    Inventor: Veikki Polvi
  • Cooling element and method for manufacturing cooling elements
    Publication number: 20030020215
    Abstract: A cooling element designed particularly for furnaces, said element comprising a housing (1) mainly made of copper, and a channel system (6) provided in the housing for cooling medium circulation. At least on a part of the surface of the element housing (1), there is arranged, by means of a diffusion joint, a corrosion-resistant surface layer (2). The invention also relates to a method for arranging said surface layer in the cooling element.
    Type: Application
    Filed: August 14, 2002
    Publication date: January 30, 2003
    Inventor: Veikki Polvi