C03B 37/01265
Starting entirely or partially from molten glass
Official title: {starting entirely or partially from molten glass, e.g. by dipping a preform in a melt}
C03B37/01265 (Starting entirely or partially from molten glass) appears on 109 US grants and 72 published applications in this corpus.
Search patents in C03B- Granted patents
- 109
- Published applications
- 72
- Assignees
- 63
- Inventors
- 298
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 5 |
| 2003 | 3 | 1 |
| 2004 | 2 | 5 |
| 2005 | 1 | 7 |
| 2006 | 1 | 5 |
| 2007 | 2 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 6 |
| 2010 | 6 | 6 |
| 2011 | 3 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 3 | 1 |
| 2017 | 1 | 3 |
| 2018 | 2 | 1 |
| 2019 | 2 | 3 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 2 | 7 |
| 2024 | 4 | 3 |
| 2025 | 1 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical fiber raw material composition, optical fiber, and optical fiber product19 May 2026US 12,633,715 B2Huawei Technologies Co., Ltd.
- Fabrication method and use of F40 mm large-size and high-contrast21 Oct 2025US 12,448,316 B2China Building Materials Academy Co., Ltd.
- Gain optical fiber with double-clad fluoride and its preparation method31 Dec 2024US 12,180,112 B1Beijing University of Technology
- Preparation method for tungsten/gadolinium oxide functional fiber having core-shell structure for x and gamma ray protection21 May 2024US 11,987,886 B2Nantong University
- Molding device and molding method for optical fiber preform30 Apr 2024US 11,970,420 B2China Jiliang University
- Glass composition for flat cross-section glass fibers, flat cross-section glass fibers and method for manufacturing flat cross-section glass fibers from glass material containing glass recycling material5 Mar 2026US 2026/0062336 A1Nitto Boseki Co., Ltd.
- Method and device for preparing fluoride glass optical fiber preform by tube suction method5 Mar 2026US 2026/0062337 A1China Jiliang University
- Method of manufacturing a hollow core optical fiber5 Feb 2026US 2026/0035282 A1Corning Incorporated
- Methods and systems for producing hollow-core preforms, components thereof, and hollow-core optical fibers5 Feb 2026US 2026/0035284 A1Corning Incorporated
- Process to produce multicore optical fiber preform11 Dec 2025US 2025/0376409 A1Corning Incorporated
Most cited
By later US patents
- Method of bundling rods so as to form an optical fiber preform47US 6,711,918 B1Sandia National Laboratories · 2004
- Making a glass rod with a step of measuring an incremental weight gain41US 6,772,611 B2Sandia National Laboratories · 2004
- Method for extruding articles31US 4,195,982 AWestern Electric Company, Inc. · 1980
- Preform for producing an optical fiber and method therefor29US 6,882,786 B1Sandia National Laboratories · 2005
- Optical fibers having crystalline material and method of making same23US 4,428,646 AInternational Standard Electric Corporation · 1984