Patents by Inventor Yahya B. Safdari

Yahya B. Safdari 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: 4019494
    Abstract: An improved solar heat generator incorporates a novel finned heat-absorbing and transfer plate which employs upstanding fins of relatively small length which are arranged in uniformly spaced rows across the direction of gas flow, with the fins in each row laterally displaced a constant, relatively short distance from the position of the fins in the upstream adjacent row.
    Type: Grant
    Filed: August 11, 1976
    Date of Patent: April 26, 1977
    Inventor: Yahya B. Safdari