Patents by Inventor Robert Paul Callaway

Robert Paul Callaway 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).

  • Systems and methods for measuring and indicating brush head life
    Patent number: 10856648
    Abstract: Systems and methods for measuring and indicating brush head life are disclosed. In one embodiment, the system includes a brush head that moves with respect to a brush handle; an energy harvester that generates electrical signals based on movements of the brush head; a controller in electrical communication with the energy harvester; and an indicator in electrical communication with the controller. The indicator is energized based on a signal from the controller.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: December 8, 2020
    Assignee: L'Oreal
    Inventors: Iranpour Khormaei, Robert Paul Callaway
  • SYSTEMS AND METHODS FOR MEASURING AND INDICATING BRUSH HEAD LIFE
    Publication number: 20200037747
    Abstract: Systems and methods for measuring and indicating brush head life are disclosed. In one embodiment, the system includes a brush head that moves with respect to a brush handle; an energy harvester that generates electrical signals based on movements of the brush head; a controller in electrical communication with the energy harvester; and an indicator in electrical communication with the controller. The indicator is energized based on a signal from the controller.
    Type: Application
    Filed: July 31, 2018
    Publication date: February 6, 2020
    Applicant: L'Oreal
    Inventors: Iranpour Khormaei, Robert Paul Callaway