Patents by Inventor C. William Frankman

C. William Frankman 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).

  • Fire extinguishing apparatus
    Patent number: 5979566
    Abstract: A fire extinguishing apparatus for use in collecting and extinguishing relatively lightweight Class A material includes a vacuum with an associated hopper, a conduit extending from the vacuum, and extinguisher connected to the conduit. Also, provided is a method of collecting and extinguishing relatively lightweight Class A material, which includes the steps of (a) causing the Class A material to be forcibly moved through a contained passageway and (b) extinguishing the Class A material as it passes through the contained passageway.
    Type: Grant
    Filed: January 27, 1997
    Date of Patent: November 9, 1999
    Inventor: C. William Frankman