Camera lens system filter
US-2025287088-A1 · Sep 11, 2025 · US
Control effected by setting a graduated member on the camera in accordance with indication or reading afforded by a light meter, which may be either separate from or built into camera body · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G03B7/02 |
| Official title | Control effected by setting a graduated member on the camera in accordance with indication or reading afforded by a light meter, which may be either separate from or built into camera body |
| Display label | Control effected by setting a graduated member on the camera in accordance with indication or reading afforded by a light meter, which may be either separate from or built into camera body |
| Total patents | 32 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 4 |
| 2022 | 7 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025287088-A1 · Sep 11, 2025 · US
US-12316939-B2 · May 27, 2025 · US
US-12047664-B2 · Jul 23, 2024 · US
US-12015838-B2 · Jun 18, 2024 · US
US-11973097-B2 · Apr 30, 2024 · US
US-11936972-B2 · Mar 19, 2024 · US
US-11921346-B2 · Mar 5, 2024 · US
US-11711622-B2 · Jul 25, 2023 · US
US-11586095-B2 · Feb 21, 2023 · US
US-2022294958-A1 · Sep 15, 2022 · US
US-2022196968-A1 · Jun 23, 2022 · US
US-2022166906-A1 · May 26, 2022 · US
US-2022141362-A1 · May 5, 2022 · US
US-2022141361-A1 · May 5, 2022 · US
US-2022139986-A1 · May 5, 2022 · US
US-2022137270-A1 · May 5, 2022 · US
US-10784295-B2 · Sep 22, 2020 · US
US-10737391-B2 · Aug 11, 2020 · US
US-10643310-B2 · May 5, 2020 · US
US-2020073201-A1 · Mar 5, 2020 · US
Answers are generated from the same data shown on this page.