Patents by Inventor John Theodore Williamson

John Theodore Williamson 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: 6668852
    Abstract: A service sleeve coupled with a frost proof sillcock including a housing having an outer surface and defining an inner chamber for receiving an inner portion of the sillcock, a stem portion, and an area of water pipe that extends radially from the stem portion to the structure's water supply. The service sleeve further includes a cap having an inner surface, a first end having a diameter to receive the outer surface of the housing, and a second end having a diameter sized to slidingly receive the water pipe. The stem portion having a male portion and a female portion. The male and female portions have bores therethrough. The female portion having an inlet end coupled to the water pipe and an opening opposite the inlet end for access to the bore of the female portion. The male portion having an outlet end for connecting to the inner portion of the sillcock and an opening for access to the bore of the male portion.
    Type: Grant
    Filed: December 11, 2002
    Date of Patent: December 30, 2003
    Assignee: Continental Industries, Inc.
    Inventor: John Theodore Williamson