Patents by Inventor Wee M. Tam

Wee M. Tam 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).

  • Cooking, fire, and burglar alarm system
    Patent number: 4633230
    Abstract: An alarm system for detecting popular home emergency conditions employs cooking, fire, and burglar sensors. Either or all of these sensors can activate the alarm. The system can produce distingushable alarm signals according to different violated conditions detected by different sensors. Additional functions of fire panic, burglar panic, timing, and using cooking sensor for fire sensing, are provided for convenience. The cooking sensor is equiped with an arm to sense the temperature of a cooking container. Automatic reset and turn off functions are provided for burglar alarming.
    Type: Grant
    Filed: May 4, 1984
    Date of Patent: December 30, 1986
    Inventor: Wee M. Tam