Optical information reader
US-2024011839-A1 · Jan 11, 2024 · US
Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path
Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01J5/05 |
| Official title | Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path |
| Display label | Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path |
| Total patents | 68 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 16 |
| 2017 | 10 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermopile module
US-2023273070-A1 · Aug 31, 2023 · US
Thermopile module
US-11686623-B2 · Jun 27, 2023 · US
Wearable Environmental Sensor Device
US-2022397460-A1 · Dec 15, 2022 · US
Laser noise elimination in transmission thermometry
US-11292079-B2 · Apr 5, 2022 · US
Deposition apparatus and method for inspecting nozzle using the same
US-2021278280-A1 · Sep 9, 2021 · US
Working machine movable on a substrate
US-2021269991-A1 · Sep 2, 2021 · US
Thermopile module
US-2021199507-A1 · Jul 1, 2021 · US
Thermopile module
US-10983009-B2 · Apr 20, 2021 · US
Thermopile module
US-2020319033-A1 · Oct 8, 2020 · US
Thermopile module
US-10732049-B2 · Aug 4, 2020 · US
Laser noise elimination in transmission thermometry
US-2019375045-A1 · Dec 12, 2019 · US
Radiant heat sensor
US-10481008-B2 · Nov 19, 2019 · US
Laser noise elimination in transmission thermometry
US-10421151-B2 · Sep 24, 2019 · US
Device for measuring the temperature of a molten metal
US-10378824-B2 · Aug 13, 2019 · US
Cored wire, method and device for the production of the same
US-10359589-B2 · Jul 23, 2019 · US
Bolometer and method for measurement of electromagnetic radiation
US-10234332-B2 · Mar 19, 2019 · US
Cored wire, method and device for the production of the same
US-10203463-B2 · Feb 12, 2019 · US
Thermopile module
US-2019025127-A1 · Jan 24, 2019 · US
Cored wire, method and device for the production of the same
US-2018364432-A1 · Dec 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01J5/05?
- CPC G01J5/05 is the Cooperative Patent Classification code for “Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path.”
- How many patents are filed under CPC G01J5/05 (Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC G01J5/05 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).