Patents by Inventor Lorraine Nevinson

Lorraine Nevinson 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).

  • Patent number: 7146670
    Abstract: A method of operating a drain pump in a laundry washing machine during the drain phase of the wash cycle to reduce pump blockages is disclosed. The method includes the steps of (a) starting the pump and running it for a first period of time to produce a discharge of a given flow rate, (b) stopping the pump and leaving the pump stopped for a second period of time, and repeating steps (a) and (b) for the duration of said drain phase, said second period of time being such that the flow rate reduces substantially to zero.
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: December 12, 2006
    Assignee: Fisher & Paykel Appliances Limited
    Inventors: Ian Campbell McGill, Lorraine Nevinson
  • Publication number: 20040078902
    Abstract: A method of operating a drain pump in a laundry washing machine during the drain phase of the wash cycle to reduce pump blockages is disclosed. The method includes the steps of (a) starting the pump and running it for a first period of time to produce a discharge of a given flow rate, (b) stopping the pump and leaving the pump stopped for a second period of time, and repeating steps (a) and (b) for the duration of said drain phase, said second period of time being such that the flow rate reduces substantially to zero.
    Type: Application
    Filed: October 23, 2003
    Publication date: April 29, 2004
    Applicant: Fisher & Paykel Limited
    Inventors: Ian Campbell McGill, Lorraine Nevinson