Ionic thruster methods and apparatus for aircraft
US-2025270984-A1 · Aug 28, 2025 · US
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using field emission, e.g. Field Emission Electric Propulsion [FEEP]
using field emission, e.g. Field Emission Electric Propulsion [FEEP] · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F03H1/005 |
| Official title | {using field emission, e.g. Field Emission Electric Propulsion [FEEP]} |
| Display label | using field emission, e.g. Field Emission Electric Propulsion [FEEP] |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for magnetically induced electrospray thrusters
US-12303925-B2 · May 20, 2025 · US
Method for controlling an ion thruster, and ion thruster system
US-12270388-B2 · Apr 8, 2025 · US
Ion propulsion device
US-11993402-B2 · May 28, 2024 · US
System and method for magnetically induced electrospray thrusters
US-2023372954-A1 · Nov 23, 2023 · US
Electrically-actuated valve and regulator for electrospray thrusters
US-11739714-B2 · Aug 29, 2023 · US
Electrospray devices and methods for fabricating electrospray devices
US-11708182-B2 · Jul 25, 2023 · US
Method and device for operating a liquid metal-ion source or liquid metal electron source as well as a liquid metal-ion source or liquid metal electron source
US-11705299-B2 · Jul 18, 2023 · US
Ion beam generator with nanowires
US-11495429-B2 · Nov 8, 2022 · US
Ion propulsion device
US-2022348361-A1 · Nov 3, 2022 · US
Method for controlling an ion thruster, and ion thruster system
US-2022205437-A1 · Jun 30, 2022 · US
Electrically-actuated valve and regulator for electrospray thrusters
US-2022195964-A1 · Jun 23, 2022 · US
Electrospray devices and methods for fabricating electrospray devices
US-2022068623-A1 · Mar 3, 2022 · US
Field emission neutralizer
US-11215171-B2 · Jan 4, 2022 · US
Method and device for operating a liquid metal-ion source or liquid metal electron source as well as a liquid metal-ion source or liquid metal electron source
US-2021383994-A1 · Dec 9, 2021 · US
Field emission neutralizer
US-2021017967-A1 · Jan 21, 2021 · US
Ion beam generator with nanowires
US-2020266021-A1 · Aug 20, 2020 · US
Field Emission Propulsion System and Method For Calibrating and Operating a Field Emission Propulsion System
US-2020223564-A1 · Jul 16, 2020 · US
Generating electrospray from a ferrofluid
US-10330090-B2 · Jun 25, 2019 · US
Self-aligned gated emitter tip arrays
US-2016254114-A1 · Sep 1, 2016 · US