System and Method for Mitigating Water Hammer by Looping Surge Pressure
US-2022364668-A1 · Nov 17, 2022 · US
Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves (fluid dynamics F15D; damping pulsations in fluids in pipes in general F16L55/04)
Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves (fluid dynamics F15D; damping pulsations in fluids in pipes in general F16L55/04) · 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 | F17D1/20 |
| Official title | Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves (fluid dynamics F15D; damping pulsations in fluids in pipes in general F16L55/04) |
| Display label | Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves (fluid dynamics F15D; damping pulsations in fluids in pipes in general F16L55/04) |
| Total patents | 79 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 12 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 9 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Slug flow elimination in multiphase flow pipelines using multiple static mixers
US-2022282838-A1 · Sep 8, 2022 · US
Subsea high integrity pipeline protectoin system with bypass
US-11408566-B2 · Aug 9, 2022 · US
Systems and methods for optimization of a petroleum distribution system
US-2022154889-A1 · May 19, 2022 · US
Systems and methods for optimization of a petroleum distribution system
US-2022154888-A1 · May 19, 2022 · US
System and method for quantitative verification of flow measurements
US-2022155117-A1 · May 19, 2022 · US
Fluid flow conditioning
US-2022145743-A1 · May 12, 2022 · US
Fluid flow conditioning
US-11268368-B2 · Mar 8, 2022 · US
Flow management systems and related methods for oil and gas applications
US-2022010908-A1 · Jan 13, 2022 · US
Pressure surge and water hammer mitigation device and method
US-2021405669-A1 · Dec 30, 2021 · US
Pressure surge and water hammer mitigation device and method
US-11209842-B1 · Dec 28, 2021 · US
Auxiliary system and method for starting or restarting the flow of gelled fluid
US-2021356080-A1 · Nov 18, 2021 · US
High integrity protection system for hydrocarbon flow lines
US-11175683-B2 · Nov 16, 2021 · US
Pump noise dampener
US-2021131422-A1 · May 6, 2021 · US
Fluid flow conditioning
US-2021108497-A1 · Apr 15, 2021 · US
Rapid production of droplets
US-10876688-B2 · Dec 29, 2020 · US
Flow system for avoiding particle agglomeration
US-10837604-B2 · Nov 17, 2020 · US
High integrity protection system for hydrocarbon flow lines
US-2020249706-A1 · Aug 6, 2020 · US
Curved flow channel with built-in lattice structure
US-10704726-B2 · Jul 7, 2020 · US
High integrity protection system for hydrocarbon flow lines
US-10663988-B2 · May 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F17D1/20?
- CPC F17D1/20 is the Cooperative Patent Classification code for “Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves (fluid dynamics F15D; damping pulsations in fluids in pipes in general F16L55/04).”
- How many patents are filed under CPC F17D1/20 (Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves (fluid dynamics F15D; damping pulsations in fluids in pipes in general F16L55/04))?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC F17D1/20 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).