Patents by Inventor Rosa L. Nieh

Rosa L. Nieh 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: 5416935
    Abstract: A surface air conditioning device includes a plurality of passages through a support surface which overlies a closed volume in which temperature conditioned air is supplied; each passage is provided with a pressure actuated flow control valve which is normally closed to prevent loss of conditioned air through the associated passage; pressure contact with the valve effects opening thereof to allow conditioned air to flow through the passage.
    Type: Grant
    Filed: November 29, 1993
    Date of Patent: May 23, 1995
    Inventor: Rosa L. Nieh