Patents by Inventor Carl Hengstebeck

Carl Hengstebeck 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).

  • FREEZEFREE VALVE
    Publication number: 20070252013
    Abstract: A freeze resistant pipe assembly including a pipe T having a valve mechanism for draining fluid from the pipe T defining a fluid flow path therethrough, wherein the valve mechanism is operatively connected to a bottom portion of the pipe T and below the fluid flow path, and further including a drain operatively connected to the pipe T below the valve mechanism.
    Type: Application
    Filed: May 1, 2007
    Publication date: November 1, 2007
    Inventor: Carl Hengstebeck