November 18, 2021  | Inventors: Daniel E. Martin, Arquimendes Ruiz-Columbie  | US Patent 2021/0352856 A1  |

The system uses a specifically modified spray assembly to spray electrically charged fluid into selected clouds.

Link To_Aerial Electrostatic System For Weather Modification-US20210352856A1

Link To Article_Aerosol Analysis via Electrostatic Precipitation-Electrospray Ionization Mass Spectrometry