Patents by Inventor Carl F. Kass

Carl F. Kass 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).

  • Heating system shut-off system with radio/ultrasound communication between detector and existing safety switch or fuel valve
    Patent number: 5670074
    Abstract: A safety apparatus for shutting off a unit having a manually operated power interruption switch or fuel supply valve upon detecting a predetermined condition where the condition is detected remotely from the location of the switch or valve. The sensor for detecting the predetermined condition communicates with a receiver that contacts an actuator for opening the interrupt switch or closing the fuel supply valve without an interconnecting electrical wire.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: September 23, 1997
    Inventors: Carl F. Kass, Arthur W. Little