Electric propulsion system including heaterless dispenser cathode
US-12467627-B2 · Nov 11, 2025 · US
Using semiconductor elements · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F23Q3/004 |
| Official title | {Using semiconductor elements} |
| Display label | Using semiconductor elements |
| Total patents | 8 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2019 | 2 |
| 2022 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12467627-B2 · Nov 11, 2025 · US
US-2025137641-A1 · May 1, 2025 · US
US-2024318820-A1 · Sep 26, 2024 · US
US-12044407-B2 · Jul 23, 2024 · US
US-2022165533-A1 · May 26, 2022 · US
US-2019006051-A1 · Jan 3, 2019 · US
US-10170895-B2 · Jan 1, 2019 · US
US-9097423-B2 · Aug 4, 2015 · US