Patents by Inventor Darrell O Weiland

Darrell O Weiland 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).

  • Mobile fan for hot air balloons
    Patent number: 6227488
    Abstract: A mobile blower or fan is used to inflate the envelope portion of a hot air balloon. The fan includes a propeller which is driven by a gasoline/fuel engine and the engine is mounted on a wheeled base and is covered by an encompassing cage. By means of wheels attached to the base, it is possible to move the fan or blower on all types of terrain as needed.
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: May 8, 2001
    Inventor: Darrell O Weiland