Patents by Inventor Grant D. Applewhite

Grant D. Applewhite 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: 4031819
    Abstract: In a device for the collecting and conveying of fumes emanating from a furnace having an opening therein, the device includes a fume hood disposed in communication with the furnace opening with a fume collecting reservoir extending around the fume hood, the fume collecting reservoir and the fume hood being in further fluid communication with an exhaust system, the exhaust system including means therein to selectively control the flow of fumes from the fume collecting reservoir and the fume hood.
    Type: Grant
    Filed: January 7, 1976
    Date of Patent: June 28, 1977
    Assignee: American Air Filter Company, Inc.
    Inventor: Grant D. Applewhite