Gas turbine engine with stream diverter
US-9523329-B2 · Dec 20, 2016 · US
Couplings or connections
Couplings or connections · 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 | F02K1/80 |
| Official title | Couplings or connections |
| Display label | Couplings or connections |
| Total patents | 325 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 35 |
| 2016 | 39 |
| 2017 | 32 |
| 2018 | 31 |
| 2019 | 25 |
| 2020 | 37 |
| 2021 | 31 |
| 2022 | 32 |
| 2023 | 22 |
| 2024 | 17 |
| 2025 | 17 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Variable area fan nozzle actuation system
US-2016333822-A1 · Nov 17, 2016 · US
Composite wear pad for exhaust nozzle
US-2016333725-A1 · Nov 17, 2016 · US
Support system bumper for exhaust duct liner hanger
US-9476524-B2 · Oct 25, 2016 · US
Alignment system and methodology to account for variation in a gas turbine engine
US-9470151-B2 · Oct 18, 2016 · US
Turbine case coupling
US-2016298492-A1 · Oct 13, 2016 · US
Compact actuation system for flow nozzle
US-9464594-B2 · Oct 11, 2016 · US
Thrust reverser for a turbojet engine nacelle comprising an end-of-travel stop on the primary guide rail
US-2016281640-A1 · Sep 29, 2016 · US
Thermally free hanger with length adjustment feature
US-9447700-B2 · Sep 20, 2016 · US
Method for assembling a nozzle and an exhaust case of a turbomachine
US-9399952-B2 · Jul 26, 2016 · US
Assembly for holding the interface of a front frame of a nacelle and a turbojet engine casing
US-9388769-B2 · Jul 12, 2016 · US
Device for connecting a thrust reverser front frame to a fan casing and nacelle incorporating such a device
US-9382814-B2 · Jul 5, 2016 · US
Lateral turbojet improved in order to limit the deformation thereof
US-9366186-B2 · Jun 14, 2016 · US
CMC Oxide-Oxide Mixer Design
US-2016160690-A1 · Jun 9, 2016 · US
Gas turbine engine with ceramic panel
US-2016161121-A1 · Jun 9, 2016 · US
Variable jet engine outlet with a mainly circle sector-formed cross section
US-9341141-B2 · May 17, 2016 · US
Beam for a cascade thrust reverser
US-9341142-B2 · May 17, 2016 · US
Exhaust nozzle center body attachment
US-2016131083-A1 · May 12, 2016 · US
Nozzle support system
US-2016115904-A1 · Apr 28, 2016 · US
Method, process, and system for high efficiency gas turbine exhaust duct flow-path
US-9311445-B2 · Apr 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K1/80?
- CPC F02K1/80 is the Cooperative Patent Classification code for “Couplings or connections.”
- How many patents are filed under CPC F02K1/80 (Couplings or connections)?
- Our database includes 325 publications tagged with this CPC code.
- Is patent activity under CPC F02K1/80 growing?
- Publication counts under this code: 17 in 2024 vs 17 in 2025 (latest complete years).