C03B 37/0128
Starting from pulverulent glass
Official title: {starting from pulverulent glass}
C03B37/0128 (Starting from pulverulent glass) appears on 182 US grants and 155 published applications in this corpus.
Search patents in C03B- Granted patents
- 182
- Published applications
- 155
- Assignees
- 79
- Inventors
- 417
- Latest grant
- 11 Aug 2026
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 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 3 |
| 2002 | 7 | 8 |
| 2003 | 3 | 5 |
| 2004 | 7 | 8 |
| 2005 | 2 | 9 |
| 2006 | 3 | 7 |
| 2007 | 2 | 8 |
| 2008 | 2 | 6 |
| 2009 | 2 | 2 |
| 2010 | 6 | 7 |
| 2011 | 6 | 6 |
| 2012 | 6 | 6 |
| 2013 | 4 | 2 |
| 2014 | 5 | 4 |
| 2015 | 6 | 9 |
| 2016 | 5 | 11 |
| 2017 | 3 | 3 |
| 2018 | 2 | 4 |
| 2019 | 4 | 11 |
| 2020 | 4 | 6 |
| 2021 | 6 | 9 |
| 2022 | 7 | 3 |
| 2023 | 9 | 7 |
| 2024 | 2 | 6 |
| 2025 | 4 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polarization maintaining optical fiber and polarization maintaining optical fiber manufacturing method11 Aug 2026US 12,704,672 B2Sumitomo Electric Industries, Ltd.
- Method for making halogen doped optical element26 May 2026US 12,637,384 B2Corning Incorporated
- Optical fiber and a glass preform manufacturing method5 May 2026US 12,617,707 B2
- System and method for performing separation and dehydroxylation of fumed silica soot particles11 Nov 2025US 12,466,737 B2
- Preform for optical fiber and manufacturing method of optical fiber2 Sep 2025US 12,404,201 B2Kohoku Kogyo Co., Ltd.
- Manufacturing method of optical fiber preform, and optical fiber preform10 Sep 2026US 2026/0265113 A1Sumitomo Electric Industries, Ltd.
- Mineral wool binder based on phenol formaldehyde resin and protein30 Jul 2026US 2026/0217600 A1Rockwool A/S
- Methods and systems for producing hollow-core preforms, components thereof, and hollow-core optical fibers5 Feb 2026US 2026/0035284 A1Corning Incorporated
- Method of forming a multicore preform and fiber5 Jun 2025US 2025/0178946 A1Corning Incorporated
- Method and intermediate product for producing a multi-core fibre with a marker1 May 2025US 2025/0138239 A1Heraeus Quarzglas GmbH & Co.KG
Most cited
By later US patents
- Composition for optical waveguide article and method for making continuous clad filament61US 6,128,430 ACorning Incorporated · 2000
- 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 fabricating photonic glass structures by extruding, sintering and drawing48US 6,260,388 B1Corning Incorporated · 2001
- Method for producing ultra-high purity, optical quality, glass articles47US 4,789,389 ACorning Glass Works · 1988