Multi-use torpedo propulsion system starter
US-11150066-B2 · Oct 19, 2021 · US
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by internal-combustion engines
by internal-combustion engines · 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 | F42B19/22 |
| Official title | by internal-combustion engines |
| Display label | by internal-combustion engines |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Series hybrid architecture for an unmanned underwater vehicle propulsion system
US-11009327-B2 · May 18, 2021 · US
Exhaust valve for multiple start torpedo
US-10914562-B2 · Feb 9, 2021 · US
Exhaust valve for multiple start torpedo
US-2020355481-A1 · Nov 12, 2020 · US
Multi-use torpedo propulsion system starter
US-2020355480-A1 · Nov 12, 2020 · US
Series hybrid architecture for an unmanned underwater vehicle propulsion system
US-2020318936-A1 · Oct 8, 2020 · US
Parallel combustor configuration for unmanned underwater vehicle propulsion turbine
US-10738697-B2 · Aug 11, 2020 · US
Series hybrid architecture for an unmanned underwater vehicle propulsion system
US-10718598-B2 · Jul 21, 2020 · US
Pulsed power hybrid electric unmanned underwater vehicle propulsion system
US-10414477-B2 · Sep 17, 2019 · US
Unmanned underwater vehicle propulsion system including an AC power distribution bus
US-10202178-B2 · Feb 12, 2019 · US
Unmanned underwater vehicle propulsion system including an ac power distribution bus
US-2018370607-A1 · Dec 27, 2018 · US
Unmanned underwater vehicle propulsion system including a dc bus
US-2018370606-A1 · Dec 27, 2018 · US
Series hybrid architecture for an unmanned underwater vehicle propulsion system
US-2018372465-A1 · Dec 27, 2018 · US
Parallel combustor configuration for unmanned underwater vehicle propulsion turbine
US-2018371994-A1 · Dec 27, 2018 · US
Pulsed power hybrid electric unmanned underwater vehicle propulsion system
US-2018370608-A1 · Dec 27, 2018 · US