Patents by Inventor Cornelius Z. Koethler

Cornelius Z. Koethler 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).

  • Vacuum And Freeze-Up HVAC Sensor
    Publication number: 20110088416
    Abstract: An apparatus for monitoring an HVAC system. The apparatus comprises a freeze-up sensor, a vacuum sensor, and a thermostat. The freeze-up sensor communicates a signal to indicate that ice is developing in the HVAC system and the vacuum sensor communicates a signal to indicate that a vacuum pressure exists in the HVAC system. When a signal is detected, the apparatus deactivates the HVAC system to prevent damage. The thermostat comprises a touch-screen display with a continuous set-point.
    Type: Application
    Filed: October 18, 2010
    Publication date: April 21, 2011
    Applicant: CoreRed, LLC
    Inventor: Cornelius Z. Koethler