C03B 2205/68
Hot gas
Official title: Hot gas, e.g. plasma, flame, burner
C03B2205/68 (Hot gas) appears on 9 US grants and 7 published applications in this corpus.
Search patents in C03B- Granted patents
- 9
- Published applications
- 7
- Assignees
- 11
- Inventors
- 29
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 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 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nanofiber manufacturing device and method for quantum computing18 Aug 2026US 12,709,565 B1Nanofiber Quantum Technologies, Inc.
- Method and device for manufacturing a hollow-core optical fibre24 Jun 2025US 12,338,162 B2Centre National De La Recherche Scientifique
- Method for producing porous glass fine particle body and method for producing optical fiber preform10 Oct 2023US 11,780,761 B2Fujikura Ltd.
- Glass fibers26 Jan 2021US 10,899,652 B2Saint-Gobain Isover
- Method of making optical fiber using a plasma torch fiber-drawing furnace30 Sep 1997US 5,672,192 ALucent Technologies Inc.
- Methods for producing glass strand and glass yarn28 May 2026US 2026/0145986 A1Shin-Etsu Chemical Co., Ltd.
- Furnace design to improve drawing of hollow-core fibers5 Feb 2026US 2026/0035285 A1Corning Incorporated
- Method of nanofiber fabrication with a deuterium or tritium flame25 Sep 2025US 2025/0296868 A1Nanofiber Quantum Technologies, Inc.
- Apparatuses and methods for processing optical fiber21 Dec 2023US 2023/0406752 A1Corning Incorporated
- Method and device for manufacturing a hollow-core optical fibre19 May 2022US 2022/0153625 A1Centre National De La Recherche Scientifique
Most cited
By later US patents
- Methods of and apparatus for heating a preform from which lightguide fiber is drawn41US 4,383,843 AWestern Electric Company, Inc. · 1983
- Optical fiber drawing using plasma torch15US 4,440,556 AInternational Telephone and Telegraph Corporation · 1984
- Optical waveguide glass fiber flame processing15US 4,689,065 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1987
- Method of making optical fiber using a plasma torch fiber-drawing furnace5US 5,672,192 ALucent Technologies Inc. · 1997
- Oxyhydrogen flame torch for optical fiber drawing3US 4,428,760 AInternational Telephone and Telegraph Corporation · 1984