Patents by Inventor John Laithwaite

John Laithwaite 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).

  • Washing machine with ozone sensor
    Patent number: 7430884
    Abstract: A washing machine includes a washing volume for receiving laundry. The washing machine also includes an ozone inlet for providing ozone to the washing volume and an ozone outlet for receiving gaseous ozone from the washing volume. An ozone sensor is provided for measuring the gaseous ozone passing through the ozone outlet. A controller may be connected to the ozone sensor to receive an ozone measurement and to determining a degree of disinfection by the washing cycle.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: October 7, 2008
    Assignees: JLA Limited, Daniels Equipment Company
    Inventor: John Laithwaite
  • Washing machine and method of washing
    Publication number: 20050268404
    Abstract: A washing machine comprising: a washing volume for receiving laundry; an ozone inlet for providing ozone to the washing volume; and an ozone outlet for receiving gaseous ozone from the washing volume characterised in that the washing machine further comprises an ozone sensor for measuring the gaseous ozone received by the ozone outlet.
    Type: Application
    Filed: December 13, 2004
    Publication date: December 8, 2005
    Inventor: John Laithwaite