Patents by Inventor Kalevi Taskinen

Kalevi Taskinen 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).

  • Spark plug and method for producing it
    Patent number: 7637793
    Abstract: A spark plug for an internal combustion engine, the spark plug having at least two electrodes, in which the electrodes are formed of a first part made of a substrate material and a surface part more durable than the substrate material. The surface part of the spark plug is joined to the first part via an intermediate part making use of explosion welding. The method also relates to a method for producing a spark plug for an internal combustion engine, the spark plug having at least two electrodes.
    Type: Grant
    Filed: March 10, 2004
    Date of Patent: December 29, 2009
    Assignee: Wärtsilä Finland Oy
    Inventors: Pertti Lintunen, Pekka Lintula, Tomi Lindroos, Aulis Silvonen, Kalevi Taskinen
  • Spark plug and method for producing it
    Publication number: 20060103283
    Abstract: A spark plug for an internal combustion engine, the spark plug having at least two electrodes, in which the electrodes are formed of a first part made of a substrate material and a surface part more durable than the substrate material. The surface part of the spark plug is joined to the first part via an intermediate part making use of explosion welding.
    Type: Application
    Filed: March 10, 2004
    Publication date: May 18, 2006
    Inventors: Pertti Lintunen, Pekka Lintula, Tomi Lindroos, Aulis Silvonen, Kalevi Taskinen