C03B 2205/61
Recovering, recycling or purifying the inert gas
Official title: Recovering, recycling or purifying the inert gas, e.g. helium
C03B2205/61 (Recovering, recycling or purifying the inert gas) appears on 9 US grants and 11 published applications in this corpus.
Search patents in C03B- Granted patents
- 9
- Published applications
- 11
- Assignees
- 2
- Inventors
- 24
- Latest grant
- 14 Oct 2025
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| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 3 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 2 | 3 |
| 2023 | 2 | 0 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
By publication year.
Recent patents
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- Method and apparatus for reclaiming gas in a fiber draw furnace14 May 2024US 11,981,596 B2Corning Incorporated
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- Method and apparatus for suppressing flow instabilities in an optical fiber draw system17 Jan 2023US 11,554,980 B2Corning Incorporated
- System and method to draw opticalfiber3 Jul 2025US 2025/0214881 A1
- Optical fiber draw furnace system and method6 Oct 2022US 2022/0315473 A1Corning Incorporated
- Method and apparatus for reclaiming gas in a fiber draw furnace14 Apr 2022US 2022/0112117 A1Corning Incorporated
- Method and apparatus for suppressing flow instabilities in an optical fiber draw system6 Jan 2022US 2022/0002182 A1Corning Incorporated
- Particle exhaust apparatus for optical fiber draw furnace28 Oct 2021US 2021/0331963 A1Corning Incorporated
Most cited
By later US patents