Patents by Inventor Frederick J. Meyers

Frederick J. Meyers 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).

  • Induction air mixing box control
    Patent number: 4148435
    Abstract: A control for an induction air mixing box for mixing conditioned primary air and induced secondary air for delivery at a substantially constant volume rate of flow into a condition controlled space, the volume rate of flow of primary air being maintained constant at a predetermined rate, said predetermined rate being resettable as a function of the sensed condition in the space. The induced rate of flow of secondary air is restricted as another function of the sensed condition, the change in rate of flow of the secondary air being inverse to that of the primary air.
    Type: Grant
    Filed: June 27, 1977
    Date of Patent: April 10, 1979
    Assignee: Barber-Colman Company
    Inventors: Frederick J. Meyers, Marvin H. Zille