Patents by Inventor Ilie Ungureanu

Ilie Ungureanu 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).

  • Compressor for domestic refrigerators
    Patent number: 5322419
    Abstract: A freon operated compressor for domestic refrigerators has an electric motor that drives through a camshaft a piston sliding inside a cylinder block, while a system of valves provides for suction and delivery of the working fluid, a hollow body with a suction port in coaxial relation with a pipe, opposite which a triple pole terminal is arranged through which electrical power is supplied, and a pump provided with an outward cylindrical member and an ogival member with inner longitudinal blades and outward radial blades.
    Type: Grant
    Filed: April 20, 1993
    Date of Patent: June 21, 1994
    Assignee: Arctic S.A.
    Inventors: Traian Novolan, Ilie Ungureanu, Petru Nistor, Dumitru Bordea, Ion Paulescu, Matei Sandu, Stefan Saru