C03B 37/0256
Drawing hollow fibres
Official title: {Drawing hollow fibres (C03B37/02781 takes precedence)}
C03B37/0256 (Drawing hollow fibres) appears on 20 US grants and 33 published applications in this corpus.
Search patents in C03B- Granted patents
- 20
- Published applications
- 33
- Assignees
- 20
- Inventors
- 54
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 3 |
| 2018 | 3 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 6 |
| 2025 | 5 | 3 |
| 2026 | 4 | 6 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Hollow-core optical fibers22 Sep 2026US 12,742,925 B2Corning Incorporated
- Microsensor for monitoring phosphine and preparation method thereof16 Jun 2026US 12,656,290 B2Sensix (Nanjing) Environmental Technology Co., Ltd.
- Anti-resonant hollow-core fibers featuring support structures19 May 2026US 12,631,819 B2University of Central Florida Research Foundation, Inc.
- Hollow-core optical fibers and methods for producing the same21 Apr 2026US 12,607,800 B2Corning Incorporated
- Method of manufacturing optical fiber and apparatus for manufacturing optical fiber21 Oct 2025US 12,448,317 B2Sumitomo Electric Industries, Ltd.
- Reduction of loss and improved long-term reliability of hollow core fibers30 Jul 2026US 2026/0217591 A1
- Hollow-core assembly with lossy glass25 Jun 2026US 2026/0177740 A1Corning Incorporated
- Sealing of a cane assembly using a rapid, heat curing sealing material for hollow core fiber manufacturing21 May 2026US 2026/0138912 A1Microsoft Technology Licensing, LLC
- Methods of making hollow core optical fibers29 Jan 2026US 2026/0028265 A1Corning Incorporated
- Optical fiber, optical fiber preform, and method of manufacturing optical fiber22 Jan 2026US 2026/0023212 A1Lightera Japan Co., Ltd.
Most cited
By later US patents
- Hollow-core fiber cable and method of manufacturing the same6US 11,747,552 B1Scientel Wireless LLC · 2023
- Hollow core optical fiber with controlled diameter hollow regions and method of making the same5US 11,203,547 B2OFS Fitel, LLC · 2021
- Photonic crystal fiber, in particular single-mode fiber for the IR wavelength range, and process for the production thereof5US 9,977,180 B2Schott AG · 2018
- Fabrication of nanowires4US 7,848,607 B2Adelaide Research & Innovation Pty Ltd · 2010
- Method of thermally drawing structured sheets2US 9,597,829 B2Everix, Inc. · 2017