Patents by Inventor Folke Stenman

Folke Stenman 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).

  • Method and device for modifying the irradiance distribution of a radiation source
    Patent number: 6811284
    Abstract: The invention is related to a method and apparatus for modifying the irradiation distribution of a radiation source. In accordance with the method the radiation source (1) is used to direct radiation to an essentially planar target surface (6). In accordance with the invention between the radiation source (1) and the target surface (6), several plates (4), which are essentially transparent to the radiation and have spaces between them, are placed close to the radiation source (1), in order to use the reflection and absorption of the transparent plates (4) to attenuate the radiation to desired areas.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: November 2, 2004
    Assignee: Endeas Oy
    Inventors: Jaakko Hyvarinen, Folke Stenman
  • Method and device for modifying the irradiance distribution of a radiation source
    Publication number: 20020138214
    Abstract: The invention is related to a method and apparatus for modifying the irradiation distribution of a radiation source. In accordance with the method the radiation source (1) is used to direct radiation to an essentially planar target surface (6). In accordance with the invention between the radiation source (1) and the target surface (6), several plates (4), which are essentially transparent to the radiation and have spaces between them, are placed close to the radiation source (1), in order to use the reflection and absorption of the transparent plates (4) to attenuate the radiation to desired areas.
    Type: Application
    Filed: April 27, 2001
    Publication date: September 26, 2002
    Inventors: Jaakko Hyvarinen, Folke Stenman