Patents by Inventor Sheila F. Vasile

Sheila F. Vasile 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).

  • Equal volume, contraflow heat exchanger
    Patent number: 4619311
    Abstract: A system for recovery systems improving heat recovery from hot waste water is provided whereby cold feed water is preheated by means of extracting heat from hot waste water by passing said hot waste water and said cold feed water through a heat exchanger. Said preheated feed water is directed simultaneously to the hot water heater and to mixing valves at the point of usage of tepid water. Equal volumes of waste water and cold feed water flow through the system.
    Type: Grant
    Filed: June 28, 1985
    Date of Patent: October 28, 1986
    Inventors: Carmine F. Vasile, Sheila F. Vasile