Patents by Inventor Robert Pursell

Robert Pursell 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: 6449876
    Abstract: A drum made from a wire mesh is axially rotatable whereby wet clothes in the drum tumble when the drum is rotated. A motor is mounted on a platform beneath the drum. The motor has fan blades mounted on its shaft that provide a flow of air to the drum when the shaft rotates. A friction coupling of the drum to the motor is used to rotate the drum. When the shaft does not rotate, power is provided to the motor through two capacitors that are in parallel. When the motor starts, a sail switch causes a break in an ohmic connection between one of the capacitors and the motor.
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: September 17, 2002
    Inventor: Robert Pursell