Patents by Inventor Ilmar Mets

Ilmar Mets 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).

  • Range ventilator
    Patent number: 4263891
    Abstract: A range ventilator is provided in a space with a heat exchanging partition between the contaminated exhaust air and the inflowing outside air. A duct for the exhaust air is formed between the heat exchanging partition constructed in the form of a cylinder of curved corrugated sheet metal and a cylindrical cover which can be disassembled into two halves, around the middle section of the sheet metal cylinder.
    Type: Grant
    Filed: September 11, 1979
    Date of Patent: April 28, 1981
    Inventor: Ilmar Mets