Patents by Inventor Melvin E. Shea

Melvin E. Shea 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).

  • Flue throttle
    Patent number: 4237855
    Abstract: A flue throttle to control the amount of flue gas or heated air going out the flue from a heating system, by throttling the flue to the minimum amount required while the heat source is on and to change to a further reduced or a complete throttling of the flue when the burner or heat source is off. The heat source referred to throughout this application is from the combustion of fuel through an electric motor driven burner.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: December 9, 1980
    Inventor: Melvin E. Shea
  • Bubble maker
    Patent number: 4166084
    Abstract: A Bubble Maker to be used for adding air fresheners, deodorants, cleaners, perfume or water to air space in the form of bubbles which are then absorbed into the space to be treated.
    Type: Grant
    Filed: March 24, 1978
    Date of Patent: August 28, 1979
    Inventor: Melvin E. Shea