Patents by Inventor Charles Perryman

Charles Perryman 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).

  • Safety module for fuel-burning appliance, and appliance using such a module
    Patent number: 7021925
    Abstract: The invention provides a safety module for connection to a fuel-burning appliance. The safety module connects to the existing circuitry of the appliance and triggers an alarm response when certain predetermined conditions are met. The safety module includes a CO sensor and a processor and can respond not only to acutely high CO levels but also to chronically high CO levels and lack of adherence to service schedules amongst other conditions. The safety module can also be programmed/reset.
    Type: Grant
    Filed: May 29, 2002
    Date of Patent: April 4, 2006
    Assignee: Invensys Controls Limited
    Inventor: Charles Perryman
  • Safety module for fuel-burning appliance, and appliance using such a module
    Publication number: 20040045543
    Abstract: The invention provides a safety module for connection to a fuel-burning appliance. The safety module connects to the existing circuitry of the appliance and triggers an alarm response when certain predetermined conditions are met. The safety module includes a CO sensor and a processor and can respond not only to acutely high CO levels but also to chronically high CO levels and lack of adherence to service schedules amongst other conditions. The safety module can also be programmed/reset.
    Type: Application
    Filed: May 29, 2002
    Publication date: March 11, 2004
    Inventor: Charles. Perryman