Patents by Inventor Herman C. Estey

Herman C. Estey 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: 4550738
    Abstract: An ashtray system for bars, restaurants, and the like having a plurality of ash receivers. Each receiver is supplied with swirling water from a central reservoir and a drain connected via a filter back to the reservoir. Ashes, debris, and smoke are carried by the water to the filter to reduce smoke pollution and to maintain a clean, sanitary condition of the ash receivers. The reservoir may include deodorizing and disinfecting chemicals in the water and the filter is replaceable.
    Type: Grant
    Filed: March 26, 1984
    Date of Patent: November 5, 1985
    Inventor: Herman C. Estey