Cordless work light
US-12553580-B2 · Feb 17, 2026 · US
Systems of electric lighting devices (systems employing both electric and non-electric light sources or exchangeable light sources F21L27/00)
Systems of electric lighting devices (systems employing both electric and non-electric light sources or exchangeable light sources F21L27/00) · 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 | F21L2/00 |
| Official title | Systems of electric lighting devices (systems employing both electric and non-electric light sources or exchangeable light sources F21L27/00) |
| Display label | Systems of electric lighting devices (systems employing both electric and non-electric light sources or exchangeable light sources F21L27/00) |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 8 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 9 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System of interconnectable portable lighting devices with locking hasps
US-12546444-B2 · Feb 10, 2026 · US
Area light
US-2026029108-A1 · Jan 29, 2026 · US
Portable lighting systems
US-2026016145-A1 · Jan 15, 2026 · US
Flashlight assembly
US-2025389416-A1 · Dec 25, 2025 · US
Area light
US-12480639-B2 · Nov 25, 2025 · US
Flashlight assembly with rotary switch and body enclosing sealed subframe
US-12435867-B2 · Oct 7, 2025 · US
In-tank illumination system and method
US-12382565-B2 · Aug 5, 2025 · US
Portable lighting systems
US-12372223-B2 · Jul 29, 2025 · US
Storage Unit with Light-Emitting Components
US-2025207771-A1 · Jun 26, 2025 · US
System of interconnectable portable lighting devices
US-2025146631-A1 · May 8, 2025 · US
Storage unit with light-emitting components
US-12270537-B2 · Apr 8, 2025 · US
System of interconnectable portable lighting devices
US-12196379-B2 · Jan 14, 2025 · US
Cordless work light
US-2024344673-A1 · Oct 17, 2024 · US
In-tank illumination system and method
US-2024349409-A1 · Oct 17, 2024 · US
Flashlight assembly
US-2024295311-A1 · Sep 5, 2024 · US
Storage Unit with Light-Emitting Components
US-2024230080-A1 · Jul 11, 2024 · US
Portable lighting systems
US-2024219007-A1 · Jul 4, 2024 · US
In-tank illumination system and method
US-11974372-B2 · Apr 30, 2024 · US
Storage unit with light-emitting components
US-11959629-B2 · Apr 16, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21L2/00?
- CPC F21L2/00 is the Cooperative Patent Classification code for “Systems of electric lighting devices (systems employing both electric and non-electric light sources or exchangeable light sources F21L27/00).”
- How many patents are filed under CPC F21L2/00 (Systems of electric lighting devices (systems employing both electric and non-electric light sources or exchangeable light sources F21L27/00))?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC F21L2/00 growing?
- Publication counts under this code: 9 in 2024 vs 9 in 2025 (latest complete years).