Vacuum slow cooling device for optical fiber draw
US-2019359517-A1 · Nov 28, 2019 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C03B37/032 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 141 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 12 |
| 2017 | 10 |
| 2018 | 15 |
| 2019 | 13 |
| 2020 | 15 |
| 2021 | 14 |
| 2022 | 15 |
| 2023 | 16 |
| 2024 | 8 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of making optical fiber with reduced hydrogen sensitivity that include fiber redirection
US-10479720-B2 · Nov 19, 2019 · US
Method of winding optical fiber, method of manufacturing bobbin-wound optical fiber, optical fiber winder, and method of manufacturing optical fiber strand
US-2019331872-A1 · Oct 31, 2019 · US
Method for fabrication of sleeveless photonic crystal canes with an arbitrary shape
US-2019322566-A1 · Oct 24, 2019 · US
Method and apparatus for reclaiming gas in a fiber draw furnace
US-2019284085-A1 · Sep 19, 2019 · US
Apparatus and method for tensioning and threading optical fiber
US-2019193982-A1 · Jun 27, 2019 · US
Low attenuation optical fiber
US-10322963-B2 · Jun 18, 2019 · US
System and method for producing vortex fiber
US-10261244-B2 · Apr 16, 2019 · US
Multi-mode optical fiber and methods for manufacturing the same
US-2019101694-A1 · Apr 4, 2019 · US
Fluid bearings having a fiber support channel for supporting an optical fiber during an optical fiber draw process
US-2019055153-A1 · Feb 21, 2019 · US
Method of manufacturing optical fiber and optical fiber
US-2019047238-A1 · Feb 14, 2019 · US
Apparatus for manufacturing an optical fiber
US-10202301-B2 · Feb 12, 2019 · US
Apparatus for manufacturing an optical fiber
US-10150690-B2 · Dec 11, 2018 · US
Method of manufacturing optical fiber, optical fiber manufacturing apparatus, and control apparatus therefor
US-2018305239-A1 · Oct 25, 2018 · US
Method of manufacturing optical fiber, optical fiber manufacturing apparatus, and control apparatus therefor
US-2018290409-A1 · Oct 11, 2018 · US
Wire-drawing optical fiber base material manufacturing method and manufacturing apparatus
US-2018251393-A1 · Sep 6, 2018 · US
Downhole optical fiber with array of fiber bragg gratings and carbon-coating
US-2018230049-A1 · Aug 16, 2018 · US
Apparatuses for screen testing an optical fiber and methods for using the same
US-10031045-B2 · Jul 24, 2018 · US
Method of manufacturing optical fiber, optical fiber manufacturing apparatus, and control apparatus therefor
US-10023490-B2 · Jul 17, 2018 · US
Optical fiber production method
US-2018194666-A1 · Jul 12, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03B37/032?
- CPC C03B37/032 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C03B37/032 (Chemistry & Metallurgy)?
- Our database includes 141 publications tagged with this CPC code.
- Is patent activity under CPC C03B37/032 growing?
- Publication counts under this code: 8 in 2024 vs 10 in 2025 (latest complete years).