Structured light projector and electronic apparatus including the same
US-2019383601-A1 · Dec 19, 2019 · US
using diaphragms containing one or more apertures
using diaphragms containing one or more apertures · 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 | F21V11/08 |
| Official title | using diaphragms containing one or more apertures |
| Display label | using diaphragms containing one or more apertures |
| Total patents | 173 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 18 |
| 2019 | 21 |
| 2020 | 25 |
| 2021 | 22 |
| 2022 | 19 |
| 2023 | 16 |
| 2024 | 19 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Moon appearance generating system
US-2019376664-A1 · Dec 12, 2019 · US
Light system with a single one-part lens
US-2019368689-A1 · Dec 5, 2019 · US
Light protection device for mixing multiple light sources
US-10495270-B2 · Dec 3, 2019 · US
Planar light source and illumination apparatus
US-10443794-B2 · Oct 15, 2019 · US
Lighting apparatus for vehicles
US-2019301696-A1 · Oct 3, 2019 · US
Assymetric spot area spoke reduction
US-10416547-B2 · Sep 17, 2019 · US
Floodlight device
US-2019242553-A1 · Aug 8, 2019 · US
Light bulb with a rotating base
US-10323833-B2 · Jun 18, 2019 · US
Assymetric spot area spoke reduction
US-2019155136-A1 · May 23, 2019 · US
Electric candle having flickering effect
US-10281099-B2 · May 7, 2019 · US
Electric screwdriver
US-10272548-B2 · Apr 30, 2019 · US
Light Projection Device for Mixing Multiple Light Sources
US-2019113184-A1 · Apr 18, 2019 · US
Light emitting device
US-10253933-B2 · Apr 9, 2019 · US
Lighting device for vehicle
US-10246002-B2 · Apr 2, 2019 · US
Micro-projection light module for a motor vehicle headlight, for achieving aplanatic light distribution
US-2019072252-A1 · Mar 7, 2019 · US
Dynamic color shadows for decorative white lighting
US-10219346-B2 · Feb 26, 2019 · US
Planar light source and illumination apparatus
US-2019049076-A1 · Feb 14, 2019 · US
User interface apparatus for vehicle, method of manufacturing user interface apparatus, and vehicle
US-10202040-B2 · Feb 12, 2019 · US
Rotational operation device
US-2019018440-A1 · Jan 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21V11/08?
- CPC F21V11/08 is the Cooperative Patent Classification code for “using diaphragms containing one or more apertures.”
- How many patents are filed under CPC F21V11/08 (using diaphragms containing one or more apertures)?
- Our database includes 173 publications tagged with this CPC code.
- Is patent activity under CPC F21V11/08 growing?
- Publication counts under this code: 19 in 2024 vs 11 in 2025 (latest complete years).