Patents by Inventor Harold Ben Brown

Harold Ben Brown 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: 4030474
    Abstract: An air treatment system for buildings having forced air heating and or cooling systems including an evaporation pan and reservoir member received in ducting of the system downstream of the temperature changing portions of the system, the reservoir being located exterior of the ducting, the evaporation tray being received interior of the ducting, the sizing of the evaporation tray and the parameters of the added liquid to be evaporated being chosen to provide a given evaporation range to produce an odor control system.
    Type: Grant
    Filed: October 8, 1975
    Date of Patent: June 21, 1977
    Inventor: Harold Ben Brown