Patents by Inventor Harold D. Waltenburg

Harold D. Waltenburg 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: 4926901
    Abstract: The present invention deals broadly with the field of plumbing. More narrowly, however, it deals with apparatus for controlling flow through a fluid supply line. The preferred embodiment of the invention is directed to a mechanism for automatically terminating flow through a fluid supply line when flow through the line continues for a period of time greater than a defined time, such as when a break in the line occurs.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: May 22, 1990
    Inventor: Harold D. Waltenburg