Patents by Inventor Donald S. Atwood

Donald S. Atwood 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).

  • Fire hydrant diffuser
    Patent number: 4343435
    Abstract: A fire hydrant diffuser comprising a flared housing rectangular in cross section having disposed therein a pair of water diffusing members in opposed relation angled to form a V-configuration and having a stepped mesh structure positioned relative to the direction of flow of water to present narrow obstructing slits for the passage of the water.
    Type: Grant
    Filed: November 13, 1980
    Date of Patent: August 10, 1982
    Inventors: Ronald V. Anderton, Donald S. Atwood