Patents by Inventor Doris W. Lea

Doris W. Lea 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).

  • Air conditioner condensation pan overflow protection
    Publication number: 20020000093
    Abstract: A liquid level sensor (100) is added to air conditioner condensation pan(s) (40 and/or 50) to prevent overflow and subsequent house damage by turning off the compressor (80) and the fan (20) by means of a circuit breaker (120) and associated electronics (110).
    Type: Application
    Filed: December 21, 2000
    Publication date: January 3, 2002
    Inventor: Doris W. Lea