Circadian effective luminaire
US-12267931-B2 · Apr 1, 2025 · US
This page is not indexed by search engines while we improve data quality.
Frames
Frames · 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 | F21V1/02 |
| Official title | Frames |
| Display label | Frames |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Circadian effective luminaire
US-2024314911-A1 · Sep 19, 2024 · US
Image pickup device for vehicle, vehicle lamp and electronic control unit
US-11872604-B2 · Jan 16, 2024 · US
Frame structure for ceiling lighting device
US-11692691-B1 · Jul 4, 2023 · US
Light engine frame with integrated baffle
US-11554581-B2 · Jan 17, 2023 · US
Optical unit and method for determining reflection plane
US-11280466-B2 · Mar 22, 2022 · US
Optical unit and method for determining reflection plane
US-2021310630-A1 · Oct 7, 2021 · US
Image pickup device for vehicle, vehicle lamp and electronic control unit
US-2021252562-A1 · Aug 19, 2021 · US
Light engine frame with integrated baffle
US-2020009859-A1 · Jan 9, 2020 · US
Light engine frame with integrated baffle
US-10479073-B2 · Nov 19, 2019 · US
Display assembly comprising a glass-ceramic plate
US-10415788-B2 · Sep 17, 2019 · US
Lighting device
US-2019056095-A1 · Feb 21, 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
Lighting device
US-10047945-B2 · Aug 14, 2018 · US
Light fixtures and lighting devices
US-10047946-B2 · Aug 14, 2018 · US
Image pickup device for vehicle, vehicle lamp and electronic control unit
US-2018105101-A1 · Apr 19, 2018 · US
Lampshade, lamp applying the same, and lampshade frame
US-2018087740-A1 · Mar 29, 2018 · US
Lighting device
US-2017299169-A1 · Oct 19, 2017 · US
Light fixture
US-2017130929-A1 · May 11, 2017 · US