Modified CO2 cycle for long endurance unmanned underwater vehicles and resultant chirp acoustic capability
US-10946944-B2 · Mar 16, 2021 · US
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Control thereof (F01K3/22, F01K7/00, F01K13/02 take precedence)
Control thereof (F01K3/22, F01K7/00, F01K13/02 take precedence) · 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 | F01K15/045 |
| Official title | {Control thereof (F01K3/22, F01K7/00, F01K13/02 take precedence)} |
| Display label | Control thereof (F01K3/22, F01K7/00, F01K13/02 take precedence) |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Modified co2 cycle for long endurance unmanned underwater vehicles and resultant chirp acoustic capability
US-2019241242-A1 · Aug 8, 2019 · US
Modified CO2 cycle for long endurance unmanned underwater vehicles and resultant chirp acoustic capability
US-10364006-B2 · Jul 30, 2019 · US
Heat energy recovery system
US-10047638-B2 · Aug 14, 2018 · US
Modified co2 cycle for long endurance unmanned underwater vehicles and resultant chirp acoustic capability
US-2017283021-A1 · Oct 5, 2017 · US
Heat energy recovery system
US-2016298497-A1 · Oct 13, 2016 · US