Patents by Inventor Steven E. Freitag

Steven E. Freitag 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).

  • Wireless system for detecting and stopping water leaks
    Patent number: 5655561
    Abstract: A water-activated alarm system, providing an alarm in the event of a water leak, includes a radio-frequency transmitting unit and a receiving unit and a number of safety features to ensure proper operation in the event of an emergency. The transmitting unit includes a flood detector having electrodes to be placed in a flood prone area, a tone encoder, for sending an encoded signal in the event of a flood, and means to provide visible and audible alarm indications, including a buzzer and a user-programmable digital voice circuit for identification of the area in which a flood occurs.
    Type: Grant
    Filed: November 27, 1995
    Date of Patent: August 12, 1997
    Inventors: A. Christopher Wendel, Steven E. Freitag