Patents Assigned to PHASE FOUR, INC.
  • Electrothermal radio frequency thruster and components
    Patent number: 11231023
    Abstract: The invention provides an electrothermal RF plasma production system and thruster design, and associated components, that may be used in terrestrial applications and/or miniaturized to the mass, volume, and power budget of Cube Satellites (CubeSats) to meet the propulsion needs of the small satellite (˜5 to ˜500 kg) constellations and larger satellite buses.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: January 25, 2022
    Assignee: PHASE FOUR, INC.
    Inventor: Mohammed Umair Siddiqui
  • Plasma production and control device
    Patent number: 11067065
    Abstract: The invention provides a plasma production and control device that may be used in propulsion (e.g., satellite propulsion) and/or industrial applications. The plasma production system comprises a unidirectional magnetic field.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: July 20, 2021
    Assignee: PHASE FOUR, INC.
    Inventors: Mohammed Umair Siddiqui, Joshua Robert Synowiec, Jason Jackson Wallace, Simon Rubin Halpern