C03B 2205/57
Recovering, recycling or purifying the coolant
Official title: Recovering, recycling or purifying the coolant, e.g. helium
C03B2205/57 (Recovering, recycling or purifying the coolant) appears on 16 US grants and 11 published applications in this corpus.
Search patents in C03B- Granted patents
- 16
- Published applications
- 11
- Assignees
- 7
- Inventors
- 39
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for drying and/or consolidating a preform for optical fibres18 Mar 2025US 12,252,432 B2Prysmian S P A.
- Methods and systems for processing optical fiber17 Jan 2023US 11,554,979 B2Corning Incorporated
- Apparatus and method for recovery and recycle of optical fiber coolant gas30 Jan 2007US 7,168,256 B2The BOC Group, Inc.
- Cap assembly and optical fiber cooling process21 Nov 2006US 7,137,279 B2The BOC Group, Inc.
- Cap assembly and optical fiber cooling process14 Sep 2004US 6,789,400 B2The BOC Group, Inc.
- Optical fiber manufacturing apparatus and optical fiber manufacturing method13 Feb 2025US 2025/0051216 A1
- Method for manufacturing optical fiber30 Jan 2025US 2025/0034024 A1
- Apparatus for drying and/or consolidating a preform for optical fibres30 Nov 2023US 2023/0382781 A1Prysmian S P A.
- Methods and systems for processing optical fiber17 Jun 2021US 2021/0179477 A1Corning Incorporated
- Apparatus and methods of control for coolant recycling26 Nov 2009US 2009/0291199 A1
Most cited
By later US patents
- Fiber cooling apparatus40US 4,514,205 ACorning Glass Works · 1985
- Optical waveguide fiber cooler33US 4,437,870 ACorning Glass Works · 1984
- Coolant recovery process24US 5,377,491 APraxair Technology, Inc. · 1995
- Coolant recovery system19US 5,452,583 APraxair Technology, Inc. · 1995
- Apparatus for cooling an optical fiber to be resin coated14US 5,897,682 AFurukawa Electric Co., Ltd. · 1999