Forming duct structure with overbraided woven fiber sleeve
US-2024181722-A1 · Jun 6, 2024 · US
Pipe assemblies
Pipe assemblies · 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 | F16L9/20 |
| Official title | {Pipe assemblies} |
| Display label | Pipe assemblies |
| Total patents | 67 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 11 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite spray bars
US-11965464-B2 · Apr 23, 2024 · US
Composite spray bars
US-11946418-B2 · Apr 2, 2024 · US
Arrangement for the transport of media
US-2024003640-A1 · Jan 4, 2024 · US
A modular foreline system
US-2023307253-A1 · Sep 28, 2023 · US
Bundle section of a pipe bundle for subsea installation
US-11739863-B2 · Aug 29, 2023 · US
Tube unit, degassing module, and method of manufacturing tube unit
US-2023201745-A1 · Jun 29, 2023 · US
Installing subsea risers
US-11598156-B2 · Mar 7, 2023 · US
Middle threaded fitting
US-11578829-B2 · Feb 14, 2023 · US
Piping structure and processing apparatus
US-2022307627-A1 · Sep 29, 2022 · US
Method of laying a pipe bundle on the seabed
US-11274769-B2 · Mar 15, 2022 · US
Pipe arrangement for transporting temperature control media
US-2022065554-A1 · Mar 3, 2022 · US
Composite spray bars
US-2022049654-A1 · Feb 17, 2022 · US
Composite spray bars
US-2022049655-A1 · Feb 17, 2022 · US
Installing Subsea Risers
US-2022042378-A1 · Feb 10, 2022 · US
Method for installing a gas transportation arrangement
US-2022003336-A1 · Jan 6, 2022 · US
Tube arrangement for the transport of tempering medium
US-2021381626-A1 · Dec 9, 2021 · US
Composite spray bars
US-11187154-B2 · Nov 30, 2021 · US
Composite spray bars
US-11187153-B2 · Nov 30, 2021 · US
Double pipe
US-2021285575-A1 · Sep 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L9/20?
- CPC F16L9/20 is the Cooperative Patent Classification code for “Pipe assemblies.”
- How many patents are filed under CPC F16L9/20 (Pipe assemblies)?
- Our database includes 67 publications tagged with this CPC code.
- Is patent activity under CPC F16L9/20 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).