Patents by Inventor Michael Gerard Siddle

Michael Gerard Siddle 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).

  • Ventilation of toilets
    Patent number: 6567994
    Abstract: A ventilation system for removing odours from a toilet of the kind having a seat (10) supported on a bowl (114), the seat (10) being ducted such that there are inlet ports (22, 24, 26, 28) located at the inner rim of the seat (10) for receiving the odours and an outlet port (30) at the rear of the seat (10) for transferring the odours out of the ducting (21) in the seat (10) and into piping (18). The piping (18) is connected to an air extractors (20) and, under the suction effect of the air extractor (20), the odours are drawn away from the toilet to a circulating air environment where they can be dissipated.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: May 27, 2003
    Inventors: John Steven Spurr, Michael Gerard Siddle