Fitting for through-wall penetration of a composite vessel
US-2026085752-A1 · Mar 26, 2026 · US
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Detachable closure members; Means for tightening closures (F16J13/16, F16J13/22 take precedence)
Detachable closure members; Means for tightening closures (F16J13/16, F16J13/22 take precedence) · 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 | F16J13/02 |
| Official title | Detachable closure members; Means for tightening closures (F16J13/16, F16J13/22 take precedence) |
| Display label | Detachable closure members; Means for tightening closures (F16J13/16, F16J13/22 take precedence) |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fitting for through-wall penetration of a composite vessel
US-12510156-B2 · Dec 30, 2025 · US
Temporary trap door cap
US-12492775-B2 · Dec 9, 2025 · US
Intelligent control method and apparatus for quick-open pressure-bearing device system
US-2025306614-A1 · Oct 2, 2025 · US
Closing Disc as well as Method and Apparatus for Sealingly Closing an Opening of a Carrier Component Having such a Closing Disc
US-2024051614-A1 · Feb 15, 2024 · US
Fitting for through-wall penetration of a composite vessel
US-2024026973-A1 · Jan 25, 2024 · US
Temporary trap door cap
US-2023279981-A1 · Sep 7, 2023 · US
Liquid supply device and control method for liquid supply device
US-11738982-B2 · Aug 29, 2023 · US
Liquid supply device and liquid supply method
US-11713231-B2 · Aug 1, 2023 · US
Temporary trap door cap
US-11686416-B2 · Jun 27, 2023 · US
Liquid supply device and control method for liquid supply device
US-2023030810-A1 · Feb 2, 2023 · US
Seal cover
US-11566648-B2 · Jan 31, 2023 · US
Liquid supply device and liquid supply method
US-2022380190-A1 · Dec 1, 2022 · US
Temporary trap door cap
US-2022074537-A1 · Mar 10, 2022 · US
Light weight hole plug
US-11054032-B2 · Jul 6, 2021 · US
Light Weight Hole Plug
US-2019211929-A1 · Jul 11, 2019 · US
Sealed closure
US-2019119457-A1 · Apr 25, 2019 · US
Seal cover
US-2018328391-A1 · Nov 15, 2018 · US
Sealing device
US-9765915-B2 · Sep 19, 2017 · US
Cover for an Access Opening
US-2017146124-A1 · May 25, 2017 · US