Illumination unit
US-12237625-B2 · Feb 25, 2025 · US
characterised by the material
characterised by the material · 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 | F21V1/16 |
| Official title | characterised by the material |
| Display label | characterised by the material |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 3 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Illumination unit
US-2024405487-A1 · Dec 5, 2024 · US
Image pickup device for vehicle, vehicle lamp and electronic control unit
US-11872604-B2 · Jan 16, 2024 · US
Low beam optical module, low beam illumination module, vehicle lamp and vehicle
US-11731552-B2 · Aug 22, 2023 · US
Light fixtures with pliable diffuser shade
US-11708960-B1 · Jul 25, 2023 · US
Lighting device with releasably connected shade
US-11674669-B2 · Jun 13, 2023 · US
Low beam optical module, low beam illumination module, vehicle lamp and vehicle
US-2022324373-A1 · Oct 13, 2022 · US
Paspol light guide and method for manufacturing paspol light guide
US-2022268992-A1 · Aug 25, 2022 · US
Lighting fixture with reversible shroud
US-11313537-B2 · Apr 26, 2022 · US
Lighting Fixture With Reversible Shroud
US-2021310638-A1 · Oct 7, 2021 · US
Image pickup device for vehicle, vehicle lamp and electronic control unit
US-2021252562-A1 · Aug 19, 2021 · US
Luminaire for illuminating a task surface and providing additional diffuse proximity lighting
US-10422504-B2 · Sep 24, 2019 · US
Lighting device with releasably connected shade
US-2019219250-A1 · Jul 18, 2019 · US
Light fixture with fabric layer having printed dots
US-2019049092-A1 · Feb 14, 2019 · US
Light fixture with fabric layer having printed dots
US-10101002-B2 · Oct 16, 2018 · US
Illumination apparatus
US-2018238506-A1 · Aug 23, 2018 · US
Light emitting diode (led) based lighting systems
US-2018187861-A1 · Jul 5, 2018 · US
Image pickup device for vehicle, vehicle lamp and electronic control unit
US-2018105101-A1 · Apr 19, 2018 · US
Light emitting diode (LED) based lighting systems
US-9739444-B2 · Aug 22, 2017 · US
Light fixture
US-2017130929-A1 · May 11, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21V1/16?
- CPC F21V1/16 is the Cooperative Patent Classification code for “characterised by the material.”
- How many patents are filed under CPC F21V1/16 (characterised by the material)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F21V1/16 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).