Patents by Inventor Lars R. G. Bergendal

Lars R. G. Bergendal 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).

  • Domestic infra-red radiation oven
    Patent number: 4575616
    Abstract: A domestic oven has upper and lower infra-red radiation sources. The upper radiation source includes at least one or two radiation elements emitting radiation in the range of 1.0-1.4 micro meters. The lower radiation source is a meandering tube element emitting long wave radiation in the range of 3-6 micro meters.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: March 11, 1986
    Assignee: Aktiebolaget Electrolux
    Inventor: Lars R. G. Bergendal