Patents by Inventor David Wiltz, SR.

David Wiltz, SR. 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).

  • Publication number: 20190222044
    Abstract: Charging/recharging systems and charge status indicators are provided. In one implementation, a charge status indicator includes a charge sensing device configured to sense the charge of a rechargeable power supply. The charge status indicator further includes a detection device configured to compare the sensed charge with a plurality of predetermined levels in order to determine one of a plurality of capacity ranges of the rechargeable power supply. The charge status indicator also includes a first light emitting diode (LED), a second LED, and a switching circuit configured to switch the first and second LEDs on and off using a plurality of predefined illumination patterns to indicate the capacity range of the rechargeable power supply.
    Type: Application
    Filed: January 12, 2018
    Publication date: July 18, 2019
    Inventors: Jiaqi Liu, Janna Yu, Lie Wang, Larry Ramsey-Macomber, Stephen J. Colavito, Derrik Cheng, Charles Joseph Cunningham, IV, Ka Man Au, Joseph Livingston, HongJian Jin, David Wiltz, SR., Gavin Di