Sandia Energy > Programs > Electric Grid > Renewable Energy and Distributed Systems Integration > Publications > Patents DATETITLEPATENT NO.AUTHOR(S)2021Passive high-power-density grid interface device10,886,841Brocato, R.W., Neely, J.C., Rashkin, L.J., Delhotal, J.J., Flicker, J.D., Kaplar, R., Stewart, J. and Richards, J., National Technology and Engineering Solutions of Sandia LLC, 20212019Arc Plasma-Generating Systems and Methods Thereof10,261,120 B1E.J. Schindelholz, K.M. Armijo, J. Johnson, R.K. Harrison, B.B. Yang2019Systems, Methods and Computer Program Products for Electric Grid Control10,298,016 B1J. Johnson, M. A. Smith, D. A. Schoenwald, M. E. El-Khatib2018Prognostics and Health Management of Photovoltaic Systems9,939,485 B1J. Johnson, D. Riley2012Identifying an Arc-Fault Type in Photovoltaic Arrays9,995,796 B1J. Johnson