Patents by Inventor David W. Saum

David W. Saum 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).

  • Means and methods for predicting hold time in enclosures equipped with a total flooding fire extinguishing system
    Patent number: 5128881
    Abstract: Test apparatus and method for determining whether an enclosure containing articles of value susceptible to damage by fire and also by water is able to pass a hold time requirement in the performance specifications of a fire extinguishing system installed in the enclosure. The fire extinguishing system acts by injecting and distributing a volatile extinguishing agent in an initially generally uniform manner throughout the enclosure, and requires for effective action that a specified minimum concentration of the agent be maintained in specified regions of the enclosure for a specified minimum hold time.
    Type: Grant
    Filed: September 9, 1988
    Date of Patent: July 7, 1992
    Assignee: Saum Enterprises, Inc.
    Inventors: David W. Saum, Arthur M. Saum