Patents by Inventor Donald D. Brunkhardt

Donald D. Brunkhardt 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).

  • Timed shower valve manager
    Patent number: 6899133
    Abstract: An automated externally mounted shower timer and flow control device powered by a low voltage battery.
    Type: Grant
    Filed: June 8, 2004
    Date of Patent: May 31, 2005
    Inventor: Donald D. Brunkhardt
  • Water saver shower
    Patent number: 6016836
    Abstract: A preprogramable shower flow control device that utilizes timers to control an amount of time water flows unrestricted through a shower, an amount of time water flows through the shower in a restricted fashion by use of a solenoid operated valve, and an amount of time before the device resets for full water flow after the water is turned off. A security code is required to preset the timing intervals. A low voltage battery controls the timing operation and the device can be overridden where needed. The device is connected to a water service feed from a shower wall.
    Type: Grant
    Filed: August 11, 1998
    Date of Patent: January 25, 2000
    Inventor: Donald D. Brunkhardt