Patents by Inventor John Dermody

John Dermody 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 filter timer
    Patent number: 6888466
    Abstract: A novel air filter and timer for alerting persons responsible for changing or cleaning the air filter that it is time for servicing. An audible alarm is provided on the timer to emit a prolonged or intermittent audible alarm to indicate the need for servicing. The alarm can be incorporated into the filter or made separately and affixable to an air filter. The alarm sounds after a set time period to alert the user to change the filter.
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: May 3, 2005
    Inventor: John Dermody
  • Air filter timer
    Publication number: 20040201485
    Abstract: A novel air filter and timer for alerting persons responsible for changing or cleaning the air filter that it is time for servicing. An audible alarm is provided on the timer to emit a prolonged or intermittent audible alarm to indicate the need for servicing. The alarm can be incorporated into the filter or made separately and affixable to an air filter. The alarm sounds after a set time period to alert the user to change the filter.
    Type: Application
    Filed: April 10, 2003
    Publication date: October 14, 2004
    Inventor: John Dermody