Exterior aircraft light with cover erosion monitoring, aircraft comprising such exterior aircraft light, and method of monitoring erosion of a light transmissive cover
US-2024219318-A1 · Jul 4, 2024 · US
the lighting devices being primarily intended to illuminate the way ahead
the lighting devices being primarily intended to illuminate the way ahead · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B64D47/04 |
| Official title | the lighting devices being primarily intended to illuminate the way ahead |
| Display label | the lighting devices being primarily intended to illuminate the way ahead |
| Total patents | 268 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 18 |
| 2017 | 26 |
| 2018 | 29 |
| 2019 | 40 |
| 2020 | 35 |
| 2021 | 31 |
| 2022 | 24 |
| 2023 | 18 |
| 2024 | 22 |
| 2025 | 15 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Landing gear lights having multi-axis rotation
US-10150574-B2 · Dec 11, 2018 · US
Combined aircraft wing scan and runway turn-off light unit and aircraft comprising the same
US-2018334263-A1 · Nov 22, 2018 · US
Led light unit and method of producing an led light unit
US-2018245764-A1 · Aug 30, 2018 · US
Layer material for arranging on a rotor blade tip of a helicopter, helicopter light system, and helicopter comprising the same
US-10053214-B2 · Aug 21, 2018 · US
Ground illumination aircraft light unit
US-2018231204-A1 · Aug 16, 2018 · US
Rotorcraft winch lighting device and method of operating a rotorcraft winch lighting device
US-9994333-B2 · Jun 12, 2018 · US
Aerial system and vehicle for continuous operation
US-9926084-B2 · Mar 27, 2018 · US
Helicopter search light
US-2018020518-A1 · Jan 18, 2018 · US
Systems and methods for dynamic light control
US-9856035-B1 · Jan 2, 2018 · US
Systems and methods for dynamic light control
US-2017355470-A1 · Dec 14, 2017 · US
Exterior aircraft light unit and aircraft comprising the same
US-9789975-B2 · Oct 17, 2017 · US
Very low profile anti collision light
US-9776735-B2 · Oct 3, 2017 · US
Exterior aircraft light
US-9777903-B2 · Oct 3, 2017 · US
Hybrid headlight for aircraft
US-2017275021-A1 · Sep 28, 2017 · US
Optically detecting cloud metrics using sampled analog measurements of light reflection
US-2017268993-A1 · Sep 21, 2017 · US
Lighting array for an aircraft
US-9751638-B1 · Sep 5, 2017 · US
Exterior helicopter light unit and method of operating an exterior helicopter light unit
US-9751637-B2 · Sep 5, 2017 · US
Exterior Aircraft Light And Aircraft Comprising The Same
US-2017233101-A1 · Aug 17, 2017 · US
Lighting array for an aircraft
US-2017233100-A1 · Aug 17, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64D47/04?
- CPC B64D47/04 is the Cooperative Patent Classification code for “the lighting devices being primarily intended to illuminate the way ahead.”
- How many patents are filed under CPC B64D47/04 (the lighting devices being primarily intended to illuminate the way ahead)?
- Our database includes 268 publications tagged with this CPC code.
- Is patent activity under CPC B64D47/04 growing?
- Publication counts under this code: 22 in 2024 vs 15 in 2025 (latest complete years).