Patents by Inventor Efren Hernandez

Efren Hernandez 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).

  • Multiple voltage power box
    Patent number: 9484741
    Abstract: A device and method of use directed to providing various voltages based on the voltage selection by the user for various applications. In one embodiment, the device is comprised of two or more 12 volt batteries coupled in a manner that allows the voltage output of the device to be modified by allowing each battery to change from in parallel to in series with a switching device. In another embodiment, the switching device may control all batteries, there may be more than one switching device whereby a switching device may control one or more batteries, or each battery may have its own switching device to determine which state the battery is in.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: November 1, 2016
    Inventor: Efren Hernandez
  • Multiple Voltage Power Box
    Publication number: 20140042816
    Abstract: A device and method of use directed to providing various voltages based on the voltage selection by the user for various applications. In one embodiment, the device is comprised of two or more 12 volt batteries coupled in a manner that allows the voltage output of the device to be modified by allowing each battery to change from in parallel to in series with a switching device. In another embodiment, the switching device may control all batteries, there may be more than one switching device whereby a switching device may control one or more batteries, or each battery may have its own switching device to determine which state the battery is in.
    Type: Application
    Filed: April 18, 2013
    Publication date: February 13, 2014
    Inventor: Efren Hernandez