Core cowl after-body
US-2018334993-A1 · Nov 22, 2018 · US
Corrugated nozzles
Corrugated nozzles · 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 | F02K1/48 |
| Official title | Corrugated nozzles |
| Display label | Corrugated nozzles |
| Total patents | 158 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 23 |
| 2017 | 12 |
| 2018 | 22 |
| 2019 | 19 |
| 2020 | 18 |
| 2021 | 16 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 8 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Exhaust mixer and method of making same
US-10100705-B2 · Oct 16, 2018 · US
Segmented multi-lobe mixer
US-10082043-B2 · Sep 25, 2018 · US
Integrated TEC/mixer strut axial position
US-10018150-B2 · Jul 10, 2018 · US
Assembly comprising an exhaust case and a downstream rotationally symmetrical part
US-2018171932-A1 · Jun 21, 2018 · US
Variable immersion lobe mixer for turbofan jet engine exhaust and method of fabricating the same
US-9995245-B2 · Jun 12, 2018 · US
Vortex generating device
US-2018149360-A1 · May 31, 2018 · US
Mixer for an engine manufactured from at least one composite material, manufacturing method and manufacturing device
US-2018135556-A1 · May 17, 2018 · US
Exhaust stream mixer
US-9970386-B2 · May 15, 2018 · US
Integrated turbine exhaust struts and mixer of turbofan engine
US-2018066604-A1 · Mar 8, 2018 · US
Mixer assembly group for a turbofan engine
US-2018066605-A1 · Mar 8, 2018 · US
Systems and Methods for Restraining Exhaust Gas Ducts
US-2018038261-A1 · Feb 8, 2018 · US
Mixing device and turbofan engine having such mixing device
US-9771896-B2 · Sep 26, 2017 · US
Jet noise suppressor
US-9758254-B2 · Sep 12, 2017 · US
Integrated turbine exhaust struts and mixer of turbofan engine
US-9759159-B2 · Sep 12, 2017 · US
Compression cowl for jet engine exhaust
US-2017145957-A1 · May 25, 2017 · US
System and method for exhausting combustion gases from gas turbine engines
US-9631542-B2 · Apr 25, 2017 · US
Integrated turbine exhaust case mixer design
US-2017101961-A1 · Apr 13, 2017 · US
Gas turbine engine variable area exhaust nozzle
US-9617953-B2 · Apr 11, 2017 · US
Gas turbine engine exhaust mixer with lobes cross-over offset
US-2017089296-A1 · Mar 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K1/48?
- CPC F02K1/48 is the Cooperative Patent Classification code for “Corrugated nozzles.”
- How many patents are filed under CPC F02K1/48 (Corrugated nozzles)?
- Our database includes 158 publications tagged with this CPC code.
- Is patent activity under CPC F02K1/48 growing?
- Publication counts under this code: 9 in 2024 vs 8 in 2025 (latest complete years).