Patents by Inventor James A. Dionian

James A. Dionian 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).

  • Patent number: 4334258
    Abstract: An explosion prevention control system is provided for automatic ignition fuel-gas burning appliances to sample the atmosphere and, in response to a predetermined level of fuel-gas in the atmosphere, to deactivate the automatic ignition apparatus in the appliance and block the flow of fuel-gas in the gas distribution system.An alarm can be provided to indicate that the control system is responding to fuel-gas concentrations in the atmosphere.A latch-off switch can be provided for the automatic ignition apparatus to ensure that the automatic ignition apparatus remains deactivated until the latch-off switch is reset.
    Type: Grant
    Filed: June 23, 1980
    Date of Patent: June 8, 1982
    Inventors: Jeffrey L. Seeman, James A. Dionian