Patents by Inventor Al Burdick

Al Burdick 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: 7077162
    Abstract: The relief valve assembly (10) includes a tube (24) having a circular threaded portion (30) adjacent a first end (28) that rotatbly receives an interconnection means. The tube other end has male threads (34) for connection to a water-use point. A valving means actuator (46) has a tapered head (50) which can be manually operated to be located in blocking or unblocking relation within an opening (44) in the tube (26) for selectively emitting liquid to the ambient and reducing internal tube water pressure. A system lock (57) enables selective locking or unlocking of the relief valve assembly (10) as desired.
    Type: Grant
    Filed: June 15, 2004
    Date of Patent: July 18, 2006
    Inventor: Al Burdick