Patents by Inventor D. Mark Doman

D. Mark Doman 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).

  • Snowmaking machine with compressed air driven reaction fan
    Patent number: 4682729
    Abstract: A snowmaking apparatus comprising a tunnel-like housing a fan mounted within the housing to move large masses of air through the housing. Water nozzles and ice nucleating nozzles are disposed downstream of the fan. The fan is a compressed air reaction driven fan which provides a region of air lower in temperature within the housing than ambient to enhance the snowmaking process.
    Type: Grant
    Filed: December 16, 1985
    Date of Patent: July 28, 1987
    Assignee: The Dewey Electronics Corporation
    Inventors: D. Mark Doman, William R. Moss