Patents by Inventor David Michael Firestine

David Michael Firestine 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).

  • Tamper resistant temperature controller for a gas-fired heating device
    Patent number: 6617954
    Abstract: A device for preventing the inadvertent rotation of a temperature selection dial associated with the temperature controller of a water heater. The device includes a spring-loaded prong that extends across the face of a rotatable dial so as to prevent rotation of thereof. The force required to pry the prong off of the dial is selected to be greater than what a small child is typically capable of exerting.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: September 9, 2003
    Assignee: Robertshaw Controls Company
    Inventor: David Michael Firestine
  • Tamper resistant temperature controller
    Publication number: 20020121305
    Abstract: A device for preventing the inadvertent rotation of a temperature selection dial associated with the temperature controller of a water heater. The device includes a spring-loaded prong that extends across the face of a rotatable dial so as to prevent rotation of thereof. The force required to pry the prong off of the dial is selected to be greater than what a small child is typically capable of exerting.
    Type: Application
    Filed: March 2, 2001
    Publication date: September 5, 2002
    Applicant: INVENSYS ROBERTSHAW CONTROLS COMPANY
    Inventor: David Michael Firestine