Double-wall hydrogen pipeline comprising at least one system for detecting a leak at at least one coupling system, and aircraft comprising at least one such pipeline
US-12319429-B2 · Jun 3, 2025 · US
with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges
with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges · 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 | F16L17/06 |
| Official title | with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges |
| Display label | with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 10 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Seal member
US-12287033-B2 · Apr 29, 2025 · US
Male or female fluid coupling element and fluid coupling including such an element
US-12044338-B2 · Jul 23, 2024 · US
Sealing member and pipe joint
US-12031645-B2 · Jul 9, 2024 · US
Force Generator for Generating a Linear Compressive Force
US-2024159343-A1 · May 16, 2024 · US
Flow passage joint structure
US-11940066-B2 · Mar 26, 2024 · US
Pipe Element Having Wedging Groove
US-2023358349-A1 · Nov 9, 2023 · US
Apparatus for reducing flow noise of air intake system of vehicle
US-11761411-B2 · Sep 19, 2023 · US
Pipe element having wedging groove
US-11725759-B2 · Aug 15, 2023 · US
Female fluid connector element and fluid connector comprising such an element
US-2023250908-A1 · Aug 10, 2023 · US
Fluid connector with slidable member
US-2023204137-A1 · Jun 29, 2023 · US
Pipe coupling gasket
US-2023160508-A1 · May 25, 2023 · US
Seal member
US-2023148383-A1 · May 11, 2023 · US
Double-wall hydrogen pipeline comprising at least one system for detecting a leak at at least one coupling system, and aircraft comprising at least one such pipeline
US-2023102097-A1 · Mar 30, 2023 · US
Devices, systems, and methods for a reducer with an integrated seal
US-2023058593-A1 · Feb 23, 2023 · US
Sealing member and pipe joint
US-2023039578-A1 · Feb 9, 2023 · US
Devices, systems, and methods for a reducer with an integrated seal
US-11519539-B2 · Dec 6, 2022 · US
Self-sealing a flange
US-11519537-B2 · Dec 6, 2022 · US
Apparatus for reducing flow noise of air intake system of vehicle
US-2022381209-A1 · Dec 1, 2022 · US
Male or female fluid coupling element and fluid coupling including such an element
US-2022349503-A1 · Nov 3, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L17/06?
- CPC F16L17/06 is the Cooperative Patent Classification code for “with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges.”
- How many patents are filed under CPC F16L17/06 (with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC F16L17/06 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).