Test chamber for photostability testing
US-12529646-B2 · Jan 20, 2026 · US
to light
to light · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N17/004 |
| Official title | {to light} |
| Display label | to light |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 8 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combined physical and chemical models for estimating service lifetime and degradation of coating materials
US-2025389638-A1 · Dec 25, 2025 · US
Method for evaluating uv protection performance of cosmetic
US-2025383283-A1 · Dec 18, 2025 · US
Real-time optical coking sensor
US-12480447-B2 · Nov 25, 2025 · US
Real-time optical coking sensor
US-2025305456-A1 · Oct 2, 2025 · US
Accelerated Deterioration Test Apparatus, Accelerated-Deterioration-Test Analysis System, and Accelerated Deterioration Test Method
US-2025277733-A1 · Sep 4, 2025 · US
Apparatus for analyzing a media, and associated egg identification apparatus and method
US-12169350-B2 · Dec 17, 2024 · US
Testing apparatus
US-2024230512-A1 · Jul 11, 2024 · US
Test chamber for photostability testing
US-2024151632-A1 · May 9, 2024 · US
Artificial weathering of a multi-dimensional object
US-2024142928-A1 · May 2, 2024 · US
Buffer formulation method and system
US-11965152-B2 · Apr 23, 2024 · US
Hazardous location electrical enclosure corrosion monitoring system, assembly and method
US-11933685-B2 · Mar 19, 2024 · US
Weather resistance testing apparatus and weather resistance testing method
US-2024068929-A1 · Feb 29, 2024 · US
Artificial weathering of a multi-dimensional object
US-11868108-B2 · Jan 9, 2024 · US
Apparatus and method for evaluating light stability of material for organic layer of organic light-emitting element
US-2023363247-A1 · Nov 9, 2023 · US
System for analyzing electromagnetic radiation
US-11726025-B2 · Aug 15, 2023 · US
Test fixture and method for use
US-11592387-B2 · Feb 28, 2023 · US
Accelerated isothermal light exposure device
US-2022412874-A1 · Dec 29, 2022 · US
Artificial weathering of a multi-dimensional object
US-2022413525-A1 · Dec 29, 2022 · US
Method for determining a photoprotective performance value of a package system
US-2022404265-A1 · Dec 22, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N17/004?
- CPC G01N17/004 is the Cooperative Patent Classification code for “to light.”
- How many patents are filed under CPC G01N17/004 (to light)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC G01N17/004 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).