Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-2025067924-A1 · Feb 27, 2025 · US
doped with deuterium
doped with deuterium · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C03B2201/22 |
| Official title | doped with deuterium |
| Display label | doped with deuterium |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reducing light-induced loss in optical fibre
US-2025052946-A1 · Feb 13, 2025 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-12169303-B2 · Dec 17, 2024 · US
Reducing light-induced loss in optical fibre
US-12135453-B2 · Nov 5, 2024 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-2024111087-A1 · Apr 4, 2024 · US
Reducing light-induced loss in optical fibre
US-2023305222-A1 · Sep 28, 2023 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-11719881-B2 · Aug 8, 2023 · US
Reducing light-induced loss in optical fibre
US-11698484-B2 · Jul 11, 2023 · US
Method for sintering of optical fibre preform
US-11634351-B2 · Apr 25, 2023 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-2022342148-A1 · Oct 27, 2022 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-11409033-B2 · Aug 9, 2022 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-2021311251-A1 · Oct 7, 2021 · US
Method for sintering of optical fibre preform
US-2021070647-A1 · Mar 11, 2021 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-10928584-B2 · Feb 23, 2021 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-2020319401-A1 · Oct 8, 2020 · US
Reducing light-induced loss in optical fibre
US-2020158946-A1 · May 21, 2020 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-10557987-B2 · Feb 11, 2020 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-2019258001-A1 · Aug 22, 2019 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-10228510-B2 · Mar 12, 2019 · US
Method of processing optical fiber
US-9919964-B2 · Mar 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03B2201/22?
- CPC C03B2201/22 is the Cooperative Patent Classification code for “doped with deuterium.”
- How many patents are filed under CPC C03B2201/22 (doped with deuterium)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC C03B2201/22 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).