C03C 2213/04
Dual fibres
C03C2213/04 (Dual fibres) appears on 35 US grants and 7 published applications in this corpus.
Search patents in C03C- Granted patents
- 35
- Published applications
- 7
- Assignees
- 10
- Inventors
- 50
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Microstructured optical fiber and preform for same having specific oxygen deficiency center and chlorine concentrations24 Feb 2026US 12,560,755 B2Heraeus Quarzglas GmbH & Co.KG
- Multi-fibre arrangement for high power fibre lasers and amplifiers3 Jun 2014US 8,743,454 B2SPI Lasers UK Limited
- Multi-fibre arrangement for high power fibre lasers and amplifiers18 Sep 2012US 8,270,070 B2SPI Lasers UK Limited
- Multi-fibre arrangement for high power fibre lasers and amplifiers9 Feb 2010US 7,660,034 B2SPI Lasers UK Limited
- Multi-fibre arrangement for high power fibre lasers and amplifiers22 May 2007US 7,221,822 B2SPI Lasers UK Limited
- Microstructured optical fiber and preform for same29 Feb 2024US 2024/0069272 A1Heraeus Quarzglas GmbH & Co.KG
- Multi-fibre arrangement for high power fibre lasers and amplifiers13 Dec 2012US 2012/0314279 A1SPI Lasers UK Limited
- High strength composite materials and related processes12 Aug 2010US 2010/0203351 A1
- Multi-fibre arrangement for high power fibre lasers and amplifiers29 Jul 2010US 2010/0188734 A1SPI Lasers UK Limited
- Multi-fibre arrangement for high power fibre lasers and amplifiers24 Jul 2008US 2008/0174857 A1SPI Lasers UK Limited
Most cited
By later US patents
- Multi-fibre arrangements for high power fibre lasers and amplifiers51US 6,826,335 B1University of Southampton · 2004
- Pourable or blowable loose-fill insulation product47US 5,683,810 AOwens Corning Fiberglas Technology, Inc. · 1997
- Irregularly-shaped glass fibers and insulation therefrom44US 5,576,252 AOwens Corning Fiberglas Technology, Inc. · 1996
- Multi-fibre arrangement for high power fibre lasers and amplifiers33US 7,221,822 B2SPI Lasers UK Limited · 2007
- Dual-glass fibers and insulation products therefrom31US 5,431,992 A1995