Pressure regulator assembly for a coolant distribution unit
US-12547193-B2 · Feb 10, 2026 · US
Pneumatic reservoirs
Pneumatic reservoirs · 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 | F16L55/052 |
| Official title | Pneumatic reservoirs |
| Display label | Pneumatic reservoirs |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cool fluid reservoir for a coolant distribution unit
US-12313089-B2 · May 27, 2025 · US
Pressure regulator assembly for a coolant distribution unit
US-2025013253-A1 · Jan 9, 2025 · US
Pressure regulator assembly for a coolant distribution unit
US-12105538-B2 · Oct 1, 2024 · US
Pressure regulator assembly for a coolant distribution unit
US-2024061453-A1 · Feb 22, 2024 · US
Cool fluid reservoir for a coolant distribution unit
US-2023320031-A1 · Oct 5, 2023 · US
Supply system for supplying a rocket engine
US-11371468-B2 · Jun 28, 2022 · US
Gas-liquid Coupling Type Fluid Pulsation Attenuator
US-2021293257-A1 · Sep 23, 2021 · US
Systems, devices and methods for preventing overpressurization of subsea equipment and flowlines
US-11035522-B2 · Jun 15, 2021 · US
Vapor column liquid accumulator
US-11027090-B2 · Jun 8, 2021 · US
Supply system for supplying a rocket engine
US-2020386190-A1 · Dec 10, 2020 · US
Accumulator integrated into a fuel line
US-10731784-B2 · Aug 4, 2020 · US
Systems, devices and methods for preventing overpressurization of subsea equipment and flowlines
US-2020191336-A1 · Jun 18, 2020 · US
Conduit connection assembly
US-10677385-B2 · Jun 9, 2020 · US
Vapor column liquid accumulator
US-2019201656-A1 · Jul 4, 2019 · US
Accumulator integrated into a fuel line
US-2019170096-A1 · Jun 6, 2019 · US
Pulsation damping for damping pulsations upstream of a gas flow meter
US-10190717-B1 · Jan 29, 2019 · US
Conduit connection assembly, a turbine inlet conduit, a turbo charger and a vehicle
US-2018299057-A1 · Oct 18, 2018 · US
Work vehicle
US-2018163372-A1 · Jun 14, 2018 · US
Hose assembly for an engine air intake system
US-9897052-B2 · Feb 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L55/052?
- CPC F16L55/052 is the Cooperative Patent Classification code for “Pneumatic reservoirs.”
- How many patents are filed under CPC F16L55/052 (Pneumatic reservoirs)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F16L55/052 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).