Patents by Inventor Brian GRAMM

Brian GRAMM 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).

  • Portable power system
    Patent number: 9716405
    Abstract: An electronic circuit that accepts a variable DC voltage power source and converts it to a constant DC power source, the energy of which is either stored in a battery bank or sent out to DC loads or AC loads via a DC/AC conversion subsystem. The device capable of using solar, wind, geothermal, or hydroelectric energy sources.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: July 25, 2017
    Inventor: Brian Gramm
  • PORTABLE POWER SYSTEM
    Publication number: 20130285452
    Abstract: An electronic circuit that accepts a variable DC voltage power source and converts it to a constant DC power source, the energy of which is either stored in a battery bank or sent out to DC loads or AC loads via a DC/AC conversion subsystem.
    Type: Application
    Filed: April 25, 2013
    Publication date: October 31, 2013
    Applicant: Peppermint Energy, Inc.
    Inventor: Brian GRAMM
  • Claim shell device
    Patent number: D796430
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: September 5, 2017
    Inventors: Brian Gramm, Daren Davoux, Tom Brzica