Flowmeter failure determination method and hydrogen filling apparatus
US-12565969-B2 · Mar 3, 2026 · US
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Indicating or measuring of parameters as input values
Indicating or measuring of parameters as input values · 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 | F17C2250/04 |
| Official title | Indicating or measuring of parameters as input values |
| Display label | Indicating or measuring of parameters as input values |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2019 | 4 |
| 2020 | 1 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Smart hydrogen storage protocol
US-12352388-B2 · Jul 8, 2025 · US
Hydrogen fueling system, method, and apparatus based on model prediction control
US-2025052371-A1 · Feb 13, 2025 · US
Smart Hydrogen Storage Protocol
US-2025043918-A1 · Feb 6, 2025 · US
Integrated control system, method, and device, for hydrogen fueling based on real-time control
US-2024418322-A1 · Dec 19, 2024 · US
Hydrogen utilization system
US-2024021851-A1 · Jan 18, 2024 · US
Tank with an integral equipment support to which various equipment units are connected and method of manufacturing said tank
US-2023265968-A1 · Aug 24, 2023 · US
Flowmeter failure determination method and hydrogen filling apparatus
US-2023235858-A1 · Jul 27, 2023 · US
Electrical harness for a composite object
US-2023187100-A1 · Jun 15, 2023 · US
Automatic identification hydrogen refueling system and method
US-2023150811-A1 · May 18, 2023 · US
Smart Hydrogen Storage Protocol
US-2022178499-A1 · Jun 9, 2022 · US
Tank temperature probe with positional sensor
US-11248825-B2 · Feb 15, 2022 · US
Pressure vessel system
US-10823333-B2 · Nov 3, 2020 · US
Prismatic pressure tank having lattice structure
US-10429008-B2 · Oct 1, 2019 · US
A gas cylinder monitoring system
US-2019257477-A1 · Aug 22, 2019 · US
Tank Temperature Probe with Positional Sensor
US-2019063804-A1 · Feb 28, 2019 · US
Pressure vessel system
US-2019024845-A1 · Jan 24, 2019 · US
Prismatic pressure tank having lattice structure
US-2016356420-A1 · Dec 8, 2016 · US