Patents by Inventor Norman Weinstein

Norman Weinstein 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).

  • Patent number: 4602486
    Abstract: A method and apparatus are provided for cooling a selected region. A portable enclosure is provided for encompassing the region and defining an opening at the upper part of the region. A portable heat exchanger is provided at an elevation adjacent the opening over the region. Coolant is circulated through the heat exchanger whereby ambient air is cooled by the heat exchanger and flows downwardly into the region.
    Type: Grant
    Filed: November 1, 1983
    Date of Patent: July 29, 1986
    Inventor: Norman Weinstein