C03B 37/01268
By casting
Official title: {by casting}
C03B37/01268 (By casting) appears on 40 US grants and 22 published applications in this corpus.
Search patents in C03B- Granted patents
- 40
- Published applications
- 22
- Assignees
- 29
- Inventors
- 142
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 7 |
| 2024 | 3 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Molding device and molding method for optical fiber preform30 Apr 2024US 11,970,420 B2China Jiliang University
- Glass with high refractive index for fiber optic imaging element with medium-expansion and fabrication method therefor2 Jan 2024US 11,858,846 B2China Building Materials Academy Co., Ltd.
- Method and device for preparing fluoride glass optical fiber preform by tube suction method5 Mar 2026US 2026/0062337 A1China Jiliang University
- Process to produce multicore optical fiber preform11 Dec 2025US 2025/0376409 A1Corning Incorporated
- Optical Fiber Manufacturing Using Centrifugal Injection Molding in Microgravity19 Dec 2024US 2024/0417305 A1
- Fabrication method and use of f40 mm large-size and high-contrast21 Mar 2024US 2024/0092679 A1China Building Materials Academy Co., Ltd.
- Molding device and molding method for optical fiber preform5 Oct 2023US 2023/0312391 A1China Jiliang University
Most cited
By later US patents
- Optical fibers having a fluoride glass cladding and method of making18US 4,519,826 AThe United States of America as represented by the Secretary of the Navy · 1985
- Method for making optical fiber preforms17US 5,160,521 A1992
- Casting core/clad glass preforms method and apparatus15US 5,106,400 ACorning Incorporated · 1992
- Active single mode optical fibres and method for their fabrication15US 5,991,486 ACSELT - Centro Studi e Laboratori Telecomunicazioni S.p.A. · 1999
- Method for manufacturing glass fibers from an infrared ray-transmitting glass fiber material14US 4,343,638 ANippon Telegraph & Telephone Public Corporation · 1982