Patents by Inventor Nikolai Nikolaevich Lopatin

Nikolai Nikolaevich Lopatin 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).

  • Refrigerator
    Patent number: 3972204
    Abstract: The proposed refrigerator comprises a housing with a cooling chamber and a freezing chamber disposed inside said housing. The freezing chamber comprises an evaporator constructed as a four-wall shell with a heat-insulating layer on the internal surface of the side walls of the shell and the outer surfaces of its two other walls, each wall of the shell having a slot to receive the heat-insulating layer as it extends from one wall to another.
    Type: Grant
    Filed: January 24, 1975
    Date of Patent: August 3, 1976
    Inventors: Mikhail Kirillovich Sidorenko, Jury Ivanovich Cherkashin, Nikolai Nikolaevich Lopatin