Method for diagnosing fault in pressure gauge of hydrogen filling system and method for calibrating pressure gauge of hydrogen filling system
US-2020411886-A1 · Dec 31, 2020 · US
by pressure cascade
by pressure cascade · 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 | F17C2227/043 |
| Official title | by pressure cascade |
| Display label | by pressure cascade |
| Total patents | 138 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 14 |
| 2017 | 4 |
| 2018 | 14 |
| 2019 | 13 |
| 2020 | 13 |
| 2021 | 26 |
| 2022 | 18 |
| 2023 | 8 |
| 2024 | 11 |
| 2025 | 7 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi-vessel fluid storage and delivery system
US-10865943-B2 · Dec 15, 2020 · US
Method for operating a tank system
US-2020378558-A1 · Dec 3, 2020 · US
Integrated tube-trailer and stationary ground storage system and method for enhanced pressure consolidation operations for refueling of gaseous fuels
US-2020309323-A1 · Oct 1, 2020 · US
Device and method for filling tanks with pressurized gas
US-2020217456-A1 · Jul 9, 2020 · US
Method and installation for storing and dispensing liquefied hydrogen
US-2020149684-A1 · May 14, 2020 · US
Fuel gas filling system and fuel gas filling method
US-10648618-B2 · May 12, 2020 · US
Station and method for filling pressurized gas tanks
US-2020124233-A1 · Apr 23, 2020 · US
Device and method for filling pressurized gas tanks
US-2020095113-A1 · Mar 26, 2020 · US
System and method to cost-effectively pressurize cryogenic h2 by heat transfer
US-2020025338-A1 · Jan 23, 2020 · US
Method and system for optimizing the filling, storage and dispensing of carbon dioxide from multiple containers without overpressurization
US-10508771-B2 · Dec 17, 2019 · US
Compressed gas dispensing
US-10508770-B2 · Dec 17, 2019 · US
Heat load reduction on hydrogen filling station
US-10495257-B2 · Dec 3, 2019 · US
Compressor unit and gas supply apparatus
US-10473268-B2 · Nov 12, 2019 · US
Method and system for optimizing the filling, storage and dispensing of carbon dioxide from multiple containers without overpressurization
US-10443785-B2 · Oct 15, 2019 · US
Gas filling system
US-10400954-B2 · Sep 3, 2019 · US
Hydrogen fueling systems and methods
US-10323794-B2 · Jun 18, 2019 · US
Method for Setting the Temperature and/or the Pressure of Fuel, in Particular of Hydrogen, in Multiple Pressure Vessels of a Vehicle to in Each Case One Temperature Setpoint Value and/or in Each Case One Pressure Setpoint Value Before a Filling Process of the Pressure Vessels
US-2019170299-A1 · Jun 6, 2019 · US
Distributed hydrogen refueling cascade method and system
US-10295122-B2 · May 21, 2019 · US
Gas supplying apparatus
US-2019128265-A1 · May 2, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F17C2227/043?
- CPC F17C2227/043 is the Cooperative Patent Classification code for “by pressure cascade.”
- How many patents are filed under CPC F17C2227/043 (by pressure cascade)?
- Our database includes 138 publications tagged with this CPC code.
- Is patent activity under CPC F17C2227/043 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).