C03B 37/01251
Reshaping the ends
Official title: {Reshaping the ends}
C03B37/01251 (Reshaping the ends) appears on 19 US grants and 27 published applications in this corpus.
Search patents in C03B- Granted patents
- 19
- Published applications
- 27
- Assignees
- 12
- Inventors
- 51
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 0 | 3 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 4 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 3 | 4 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Optical fiber glass preform and method for manufacturing optical fiber glass preform7 Apr 2026US 12,595,203 B2Shin-Etsu Chemical Co., Ltd.
- Multi-core optical fiber preform, multi-core optical fiber preform production method, and multi-core optical fiber production method4 Nov 2025US 12,459,853 B2Fujikura Ltd.
- Optical fiber preform production method, optical fiber preform, and optical fiber production method5 Dec 2023US 11,834,365 B2Fujikura Ltd.
- Optical fiber glass preform and method for manufacturing optical fiber glass preform20 Jun 2023US 11,680,007 B2Shin-Etsu Chemical Co., Ltd.
- Automated large outside diameter preform tipping process and resulting glass preforms16 May 2023US 11,649,185 B2Heraeus Quartz North America LLC
- Optical fiber preform22 May 2025US 2025/0162925 A1Fujikura Ltd.
- Optical fiber preform production method, optical fiber preform, and optical fiber production method15 Feb 2024US 2024/0051865 A1Fujikura Ltd.
- Multi-core optical fiber preform, multi-core optical fiber preform production method, and multi-core optical fiber production method30 Nov 2023US 2023/0382779 A1Fujikura Ltd.
- Optical fiber glass preform and method for manufacturing optical fiber glass preform7 Sep 2023US 2023/0278907 A1Shin-Etsu Chemical Co., Ltd.
- Method for automatically processing conical tip of optical fiber preform8 Jun 2023US 2023/0174407 A1Jiangsu Etern Company Limited
Most cited
By later US patents
- Method for pregobbing an optical fiber preform and system producing optical fiber therefrom6US 6,779,363 B1Corning Incorporated · 2004
- Rod-shaped preform for manufacturing an optical fiber therefrom, a method for manufacturing such a rod-shaped preform as well as a method for manufacturing an optical fiber, using such a rod-shaped preform4US 6,649,261 B2Draka Fibre Technology B. V. · 2003
- Method for production of an optical component made from quartz glass4US 7,681,416 B2Heraeus Quarzglas GmbH & Co.KG · 2010
- Method for producing optical fiber base material ingot by grinding while core portion central axis is brought into line with rotational axis of grinding machine3US 6,467,310 B2Shin-Etsu Chemical Co., Ltd. · 2002
- Method of heating and processing an end of an optical fiber preform and apparatus for heating and processing an end of an optical fiber preform3US 6,644,069 B2Furukawa Electric Co., Ltd. · 2003