Adaptive light source with spatial light modulator
US-11781723-B2 · Oct 10, 2023 · US
by acting on refractors, filters or transparent cover plates
by acting on refractors, filters or transparent cover plates · 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 | F21S41/63 |
| Official title | by acting on refractors, filters or transparent cover plates |
| Display label | by acting on refractors, filters or transparent cover plates |
| Total patents | 82 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 6 |
| 2020 | 11 |
| 2021 | 11 |
| 2022 | 8 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical unit
US-11774643-B2 · Oct 3, 2023 · US
Illumination device
US-11732860-B2 · Aug 22, 2023 · US
Light control system with hexagonal-shaped tunable optics
US-2023085757-A1 · Mar 23, 2023 · US
Light irradiation device
US-11493365-B2 · Nov 8, 2022 · US
Optical unit
US-2022236458-A1 · Jul 28, 2022 · US
Headlight for vehicle
US-11346518-B2 · May 31, 2022 · US
Vehicle lamp module and vehicle using same
US-11333313-B2 · May 17, 2022 · US
Lighting device capable of controlling light radiation direction
US-11326765-B2 · May 10, 2022 · US
Vehicle body front structure
US-11305821-B1 · Apr 19, 2022 · US
Vehicle lamp module and vehicle using same
US-2022099264-A1 · Mar 31, 2022 · US
Lighting device capable of controlling light radiation direction
US-2022065426-A1 · Mar 3, 2022 · US
Headlight for vehicle
US-2021301996-A1 · Sep 30, 2021 · US
Illumination system for a vehicle
US-11117512-B2 · Sep 14, 2021 · US
Vehicle lamp
US-11105483-B2 · Aug 31, 2021 · US
Light irradiation device
US-2021255004-A1 · Aug 19, 2021 · US
Vehicle lamp
US-11092307-B2 · Aug 17, 2021 · US
Motor vehicle lighting device and method for improved matrix beam uniformity generation
US-11028993-B2 · Jun 8, 2021 · US
Method and system for selectively adjusting pixels, in an optical module, in order to amend geometric defects due to manufacturing tolerances
US-11025873-B2 · Jun 1, 2021 · US
Light module with light beam scanning, notably for motor vehicles, provided with a focusing system having small dimensions, and motor vehicle light device comprising such a light module
US-10955103-B2 · Mar 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21S41/63?
- CPC F21S41/63 is the Cooperative Patent Classification code for “by acting on refractors, filters or transparent cover plates.”
- How many patents are filed under CPC F21S41/63 (by acting on refractors, filters or transparent cover plates)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC F21S41/63 growing?
- Publication counts under this code: 9 in 2024 vs 9 in 2025 (latest complete years).