Controller, method, and engine system for engine crank control
US-2025361824-A1 · Nov 27, 2025 · US
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rendering machines or engines inoperative or idling on pressure failure
rendering machines or engines inoperative or idling on pressure failure · 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 | F01M1/22 |
| Official title | rendering machines or engines inoperative or idling on pressure failure |
| Display label | rendering machines or engines inoperative or idling on pressure failure |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Isolation of a turbine engine heat exchanger in the event of a leak from an electrical and mechanical hydraulic control valve
US-12158105-B2 · Dec 3, 2024 · US
Isolation of a turbine engine heat exchanger in the event of a leak from an electrical and mechanical hydraulic control valve
US-2023116598-A1 · Apr 13, 2023 · US
System and method for gear assembly lubricant system failure detection
US-2019368380-A1 · Dec 5, 2019 · US
Systems of preventing engine bearing damage
US-2018100415-A9 · Apr 12, 2018 · US
Control device for engine, and engine
US-2018058356-A1 · Mar 1, 2018 · US
Systems of preventing engine bearing damage
US-2017292419-A1 · Oct 12, 2017 · US
Failure diagnosis method for hall sensor
US-2016377460-A1 · Dec 29, 2016 · US
Crankcase integrity breach detection
US-9416694-B2 · Aug 16, 2016 · US
System for preventing a mechanical damage of an internal combustion engine due to an inefficient lubrication of the engine itself
US-2015094938-A1 · Apr 2, 2015 · US