Connector for fuel stringer duct
US-2025122966-A1 · Apr 17, 2025 · US
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for rectangular pipes
for rectangular 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 | F16L23/14 |
| Official title | for rectangular pipes |
| Display label | for rectangular pipes |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Feeder duct assembly with flexible end fittings
US-11203946-B2 · Dec 21, 2021 · US
Additively manufactured gas distribution manifold
US-10794519-B2 · Oct 6, 2020 · US
Heat exchanger gasket
US-2020166297-A1 · May 28, 2020 · US
Additively manufactured gas distribution manifold
US-2019211955-A1 · Jul 11, 2019 · US
Additively manufactured gas distribution manifold
US-10215317-B2 · Feb 26, 2019 · US
V-band clamp with integral mount plate
US-9874147-B2 · Jan 23, 2018 · US
Duct systems including shield and flange support
US-9849317-B2 · Dec 26, 2017 · US
Feeder duct assembly with flexible end fittings
US-2017321562-A1 · Nov 9, 2017 · US
Additively manufactured gas distribution manifold
US-2017203511-A1 · Jul 20, 2017 · US
Systems for shield and flange support
US-2016213962-A1 · Jul 28, 2016 · US
V-band clamp with integral mount plate
US-2016208706-A1 · Jul 21, 2016 · US
Expansion joint for connecting an exhaust collector of an engine to a duct system
US-2016010787-A1 · Jan 14, 2016 · US