Patents by Inventor Thomas Walkden

Thomas Walkden 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).

  • Dishwasher with high voltage DC motor
    Publication number: 20060162744
    Abstract: A dishwasher which uses a high voltage DC motor to drive a pump. The dishwasher cleans dishes and cooking and eating utensils by the use of a high pressure water spray driven by an electric pump which circulates water. The DC motor may have a built in motor controller to allow the motor to have a soft start, multiple speeds, smooth ramping between speeds and load control. This allows for an energy efficient system and noise prevention.
    Type: Application
    Filed: January 24, 2006
    Publication date: July 27, 2006
    Applicant: Johnson Electric S.A.
    Inventor: Thomas Walkden