Control system and method for pressure-let-downs stations
US-2018356044-A1 · Dec 13, 2018 · US
Small pressure, e.g. for liquefied gas
Small pressure, e.g. for liquefied gas · 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 | F17C2225/033 |
| Official title | Small pressure, e.g. for liquefied gas |
| Display label | Small pressure, e.g. for liquefied gas |
| Total patents | 247 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 10 |
| 2017 | 10 |
| 2018 | 19 |
| 2019 | 24 |
| 2020 | 21 |
| 2021 | 26 |
| 2022 | 21 |
| 2023 | 36 |
| 2024 | 32 |
| 2025 | 24 |
| 2026 | 3 |
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-2018313496-A1 · Nov 1, 2018 · US
Methods, systems and devices using LOX to provide ventilatory support
US-10099028-B2 · Oct 16, 2018 · US
Method of operating a cryogenic temperature control apparatus
US-10101081-B2 · Oct 16, 2018 · US
Method of filling a fuel tank with liquefied gas and liquefied gas system
US-10088108-B2 · Oct 2, 2018 · US
Insulation structure, for liquefied gas cargo hold, having anchor strip removed, cargo hold comprising insulation structure, and liquefied gas carrier comprising cargo hold
US-2018244355-A1 · Aug 30, 2018 · US
Facility for distributing working gas
US-2018224068-A1 · Aug 9, 2018 · US
Method and system for processing a liquid natural gas stream at a lng import terminal
US-2018216877-A1 · Aug 2, 2018 · US
Automatic Liquid Waste Reservoir Level Control
US-2018209875-A1 · Jul 26, 2018 · US
Emergency release system for liquefied hydrogen
US-2018195671-A1 · Jul 12, 2018 · US
Liquefied natural gas filling device
US-10012349-B2 · Jul 3, 2018 · US
Method and system for carbon dioxide energy storage in a power generation system
US-2018156074-A1 · Jun 7, 2018 · US
System and method for increasing the efficiency of heating a cryogenic fluid flowing through a conduit
US-2018135558-A1 · May 17, 2018 · US
Method for Optimizing the Cryogenic Pressure Tank Fill Level Which Can Be Achieved During a Refill in a Motor Vehicle
US-2018135994-A1 · May 17, 2018 · US
Fuel gas storage and supply system
US-2018138528-A1 · May 17, 2018 · US
Interchangeable dosing arm device, system and method
US-2018119884-A1 · May 3, 2018 · US
New and improved grease delivery system
US-2018112565-A1 · Apr 26, 2018 · US
Reduced boil-off thermal conditioning system
US-2018016130-A1 · Jan 18, 2018 · US
Method of starting gas delivery from a liquefied gas fuel system to a gas operated engine and a liquefied gas fuel system for a gas operated engine
US-9863370-B2 · Jan 9, 2018 · US
System and Method for Manifolding Portable Cryogenic Containers
US-2017363254-A1 · Dec 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F17C2225/033?
- CPC F17C2225/033 is the Cooperative Patent Classification code for “Small pressure, e.g. for liquefied gas.”
- How many patents are filed under CPC F17C2225/033 (Small pressure, e.g. for liquefied gas)?
- Our database includes 247 publications tagged with this CPC code.
- Is patent activity under CPC F17C2225/033 growing?
- Publication counts under this code: 32 in 2024 vs 24 in 2025 (latest complete years).