C03B 37/01291
By progressive melting
Official title: {by progressive melting, e.g. melting glass powder during delivery to and adhering the so-formed melt to a target or preform, e.g. the Plasma Oxidation Deposition [POD] process}
C03B37/01291 (By progressive melting) appears on 96 US grants and 71 published applications in this corpus.
Search patents in C03B- Granted patents
- 96
- Published applications
- 71
- Assignees
- 51
- Inventors
- 216
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 5 | 8 |
| 2003 | 3 | 5 |
| 2004 | 5 | 5 |
| 2005 | 2 | 7 |
| 2006 | 3 | 5 |
| 2007 | 1 | 6 |
| 2008 | 1 | 5 |
| 2009 | 2 | 2 |
| 2010 | 6 | 4 |
| 2011 | 3 | 2 |
| 2012 | 5 | 3 |
| 2013 | 0 | 1 |
| 2014 | 3 | 1 |
| 2015 | 1 | 4 |
| 2016 | 3 | 3 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 3 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for manufacturing a preform for a multi-core optical fiber and method for manufacturing multi-core optical fibers15 Jul 2025US 12,358,829 B2Draka Comteq France
- Method for manufacturing a preform for optical fibers10 Oct 2023US 11,780,762 B2Prysmian S P A.
- Method and apparatus for producing a glass component29 Nov 2022US 11,512,017 B2Heraeus Quarzglas GmbH & Co.KG
- Preparation of quartz glass bodies from silicon dioxide granulate8 Nov 2022US 11,492,285 B2Heraeus Quarzglas GmbH & Co.KG
- Optical fiber manufacturing method using relative bulk densities1 Feb 2022US 11,237,322 B2Furukawa Electric Co., Ltd.
- Method and intermediate product for producing a multi-core fibre with a marker1 May 2025US 2025/0138239 A1Heraeus Quarzglas GmbH & Co.KG
- Method for manufacturing a preform for a multi-core opitcal fiber and method for manufacturing multi-core optical fibers22 Dec 2022US 2022/0402803 A1Draka Comteq France
- Method and apparatus for producing a glass component3 Sep 2020US 2020/0277217 A1Heraeus Quarzglas GmbH & Co.KG
- Optical fiber manufacturing method9 Jan 2020US 2020/0012042 A1Furukawa Electric Co., Ltd.
- A method for manufacturing a preform for optical fibers21 Mar 2019US 2019/0084865 A1Prysmian S P A.
Most cited
By later US patents
- Double-clad optical fiber for lasers and amplifiers56US 6,687,445 B2Nufern · 2004
- Method for manufacturing an optical fiber preform52US 7,702,204 B2Draka Comteq B.V. · 2010
- Method of bundling rods so as to form an optical fiber preform47US 6,711,918 B1Sandia National Laboratories · 2004
- Method of building up an optical fiber preform by plasma deposition, and an optical fiber obtained from the preform built up by the method46US 5,522,007 AAlcatel Fibres Optiques · 1996
- Making a glass rod with a step of measuring an incremental weight gain41US 6,772,611 B2Sandia National Laboratories · 2004