Patents by Inventor Henry Stehling

Henry Stehling 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: 5033501
    Abstract: A fire hydrant cap and actuating tool for use therewith provide enhanced security for fire hydrants and increased safety when using the tool. The cap is forged of 8620 carbon steel; is provided with an internal steel lock washer of cadmium plate steel, and includes thereon a forged, external slip ring of 8620 carbon steel with lubrication between the slip ring and cap. The tool which is used in combination with the cap includes a gripper which fits under the slip ring to prevent the tool from slipping, a spanner wrench and a hexagonal socket with a screw for gripping rounded-off valve stems.
    Type: Grant
    Filed: December 4, 1990
    Date of Patent: July 23, 1991
    Assignee: Hydra-Shield Manufacturing, Inc.
    Inventor: Henry Stehling