Patents by Inventor Lewis O. Engel

Lewis O. Engel 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).

  • Humidifier having a water distributor trough
    Patent number: 3975470
    Abstract: A humidifier for use with an air system, and especially adapted for installation on a forced air furnace. Water distribution means are employed to provide a substantially uniformly distributed flow of water to an evaporator pad. The water distribution means comprises an elongated rectangular tray having an elevated water reservoir and channels leading to apertures positioned so as to distribute water uniformly to the pad. Generally V-shaped metering notches are provided in the walls of the reservoir to meter the flow of water to the respective channels.
    Type: Grant
    Filed: May 8, 1974
    Date of Patent: August 17, 1976
    Assignee: General Filters, Inc.
    Inventor: Lewis O. Engel