Aircraft connector for fluid transfer
US-2024328557-A1 · Oct 3, 2024 · US
Concentric pipes
Concentric pipes · 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 | F16L37/565 |
| Official title | {Concentric pipes} |
| Display label | Concentric pipes |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 8 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combined air fitting
US-2024217465-A1 · Jul 4, 2024 · US
Connection arrangement
US-2024167605-A1 · May 23, 2024 · US
Ferrule coupling for joining ducts together
US-11698154-B2 · Jul 11, 2023 · US
Ferrule coupling for joining ducts together
US-2022221089-A1 · Jul 14, 2022 · US
Ferrule coupling for joining ducts together
US-11287067-B2 · Mar 29, 2022 · US
Quick coupling for the detachable connection of two pipes through which a pressurized fluid flows
US-11149891-B2 · Oct 19, 2021 · US
Connection assembly
US-10641502-B2 · May 5, 2020 · US
Quick coupling for the detachable connection of two pipes through which a pressurized fluid flows
US-2020032942-A1 · Jan 30, 2020 · US
Ferrule coupling for joining ducts together
US-2020003344-A1 · Jan 2, 2020 · US
Connection assembly
US-10174955-B2 · Jan 8, 2019 · US
Coaxial fluid connector
US-10161552-B2 · Dec 25, 2018 · US
Connection assembly
US-2018340697-A1 · Nov 29, 2018 · US
Double wall tube fitting with an integrated diagnostic port
US-10066774-B2 · Sep 4, 2018 · US
Connection assembly
US-10024552-B2 · Jul 17, 2018 · US
Coaxial fluid connector
US-2017350548-A1 · Dec 7, 2017 · US
Quick coupling for connecting during fluid flow in a hydraulic circuit
US-9810360-B2 · Nov 7, 2017 · US
Filter assembly
US-D793523-S · Aug 1, 2017 · US
Line connector and line set for fluid media
US-9702492-B2 · Jul 11, 2017 · US
Connection assembly
US-2017074524-A1 · Mar 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L37/565?
- CPC F16L37/565 is the Cooperative Patent Classification code for “Concentric pipes.”
- How many patents are filed under CPC F16L37/565 (Concentric pipes)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F16L37/565 growing?
- Publication counts under this code: 1 in 2023 vs 3 in 2024 (latest complete years).