C03B 2203/14
Non-solid, i.e. hollow products
Official title: Non-solid, i.e. hollow products, e.g. hollow clad or with core-clad interface
C03B2203/14 (Non-solid, i.e. hollow products) appears on 337 US grants and 396 published applications in this corpus.
Search patents in C03B- Granted patents
- 337
- Published applications
- 396
- Assignees
- 146
- Inventors
- 685
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 11 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 4 |
| 2002 | 7 | 11 |
| 2003 | 10 | 18 |
| 2004 | 10 | 29 |
| 2005 | 17 | 28 |
| 2006 | 19 | 21 |
| 2007 | 12 | 16 |
| 2008 | 16 | 15 |
| 2009 | 8 | 19 |
| 2010 | 16 | 15 |
| 2011 | 10 | 11 |
| 2012 | 12 | 11 |
| 2013 | 9 | 10 |
| 2014 | 7 | 6 |
| 2015 | 6 | 9 |
| 2016 | 9 | 6 |
| 2017 | 5 | 6 |
| 2018 | 6 | 9 |
| 2019 | 8 | 12 |
| 2020 | 6 | 18 |
| 2021 | 11 | 12 |
| 2022 | 12 | 27 |
| 2023 | 13 | 9 |
| 2024 | 15 | 25 |
| 2025 | 23 | 16 |
| 2026 | 11 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hollow core optical fibers and methods of making6 Oct 2026US 12,753,108 B2Corning Incorporated
- Hollow-core optical fibers22 Sep 2026US 12,742,925 B2Corning Incorporated
- Anti-resonant optical component and method for the production of same8 Sep 2026US 12,730,258 B2Heraeus Quarzglas GmbH & Co.KG
- Large-sized hollow porous quartz glass preform and method of manufacturing the same28 Jul 2026US 12,692,184 B2Shin-Etsu Quartz Products Co., Ltd.
- Methods for producing hollow-core optical fibers2 Jun 2026US 12,645,027 B2Corning Incorporated
- Hollow-core preforms and hollow-core optical fibers and methods of making the same1 Oct 2026US 2026/0296948 A1Corning Incorporated
- Fiber preform with laser weld volume including ultraviolet absorbing constituent and method of manufacturing the same17 Sep 2026US 2026/0274736 A1Corning Incorporated
- Hollow core optical fibre drawing method with modified preform10 Sep 2026US 2026/0265114 A1University of Southampton
- Anti-resonant hollow core optical fiber with contacting cladding elements with multiply nested capillaries27 Aug 2026US 2026/0251841 A1Corning Incorporated
- Antiresonant hollow core fiber with low-index coating13 Aug 2026US 2026/0235801 A1University of Central Florida Research Foundation, Inc.
Most cited
By later US patents
- Multicore optical fibre354US 6,301,420 B1The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 2001
- Article comprising a micro-structured optical fiber, and method of making such fiber283US 5,802,236 ALucent Technologies Inc. · 1998
- Ultra high numerical aperture optical fibers242US 7,715,672 B2Imra America, Inc. · 2010
- Large core area single mode optical fiber226US 8,903,214 B2Nkt Photonics A/S · 2014
- Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers222US 8,213,758 B2Imra America, Inc. · 2012