Patents by Inventor Stephen Mentuch

Stephen Mentuch 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).

  • Heat recovery ventilator
    Patent number: 4742957
    Abstract: A heat recovery unit for use in association with a fluid distribution system including: a heat exchanger; means to: circulate fluid through said system and to introduce fresh fluid across one end of said heat exchanger and into said system for mixing with the circulating fluid; ventilate a portion of the circulating fluid across the other end of said heat exchanger to transfer the thermal energy between said ventilated fluid and said fresh fluid so as to replenish said ventilated fluid with said fresh fluid.
    Type: Grant
    Filed: September 20, 1985
    Date of Patent: May 10, 1988
    Inventor: Stephen Mentuch