Patents by Inventor Thomas E. Plunkett

Thomas E. Plunkett 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 flow scent enhancer
    Patent number: 6722529
    Abstract: A housing mounted to the ductwork of a hot air heating system or a central air conditioning system includes a pressure differential switch to sense the forced air flow in actuating a spray dispenser to discharge a freshening, deodorizing and/or disinfecting spray through a nozzle and provided hose into the ductwork, for a duration and at a repetition rate predetermined in accordance with the cleansing results desired.
    Type: Grant
    Filed: April 15, 2002
    Date of Patent: April 20, 2004
    Inventors: Michael J. Ceppaluni, Thomas E. Plunkett
  • Air flow scent enhancer
    Publication number: 20030192922
    Abstract: A housing mounted to the ductwork of a hot air heating system or a central air conditioning system includes a pressure differential switch to sense the forced air flow in actuating a spray dispenser to discharge a freshening, deodorizing and/or disinfecting spray through a nozzle and provided hose into the ductwork, for a duration and at a repetition rate predetermined in accordance with the cleansing results desired.
    Type: Application
    Filed: April 15, 2002
    Publication date: October 16, 2003
    Inventors: Michael J. Ceppaluni, Thomas E. Plunkett