F03H1/00	7	Using plasma to produce a reactive propulsive thrust (generating plasma H05H1/00){(ion sources per seH01J27/02, ion sources for plasma processing or ion beams H01J37/08)}	F03H1/00	F03H1/00		409
F03H1/0006	8	{Details applicable to different types of plasma thrusters (arrangements specially adapted for fitting plasma engines in or to cosmonautic vehicles B64G1/413)}	F03H1/00	F03H1/00		296
F03H1/0012	9	{Means for supplying the propellant}	F03H1/00	F03H1/00		359
F03H1/0018	9	{Arrangements or adaptations of power supply systems (for cosmonautic vehicles B64G1/42)}	F03H1/00	F03H1/00		160
F03H1/0025	9	{Neutralisers, i.e. means for keeping electrical neutrality}	F03H1/00	F03H1/00		98
F03H1/0031	9	{Thermal management, heating or cooling parts of the thruster (temperature control for cosmonautic vehicles B64G1/50)}	F03H1/00	F03H1/00		130
F03H1/0037	8	{Electrostatic ion thrusters}	F03H1/00	F03H1/00		200
F03H1/0043	9	{characterised by the acceleration grid (extraction optics for ion sources H01J27/024)}	F03H1/00	F03H1/00		123
F03H1/005	9	{using field emission, e.g. Field Emission Electric Propulsion [FEEP]}	F03H1/00	F03H1/00		47
F03H1/0056	9	{with an acceleration grid and an applied magnetic field}	F03H1/00	F03H1/00		51
F03H1/0062	9	{grid-less with an applied magnetic field}	F03H1/00	F03H1/00		47
F03H1/0068	10	{with a central channel, e.g. end-Hall type}	F03H1/00	F03H1/00		63
F03H1/0075	10	{with an annular channel; Hall-effect thrusters with closed electron drift}	F03H1/00	F03H1/00		269
F03H1/0081	8	{Electromagnetic plasma thrusters}	F03H1/00	F03H1/00		394
F03H1/0087	8	{Electro-dynamic thrusters, e.g. pulsed plasma thrusters}	F03H1/00	F03H1/00		320
F03H1/0093	8	{Electro-thermal plasma thrusters, i.e. thrusters heating the particles in a plasma (resistojets per seB64G1/415)}	F03H1/00	F03H1/00		112
F03H3/00	7	Use of photons to produce a reactive propulsive thrust	F03H3/00	F03H3/00		64
F03H99/00	7	Subject matter not provided for in other groups of this subclass	F03H99/00	F03H99/00		609
