C03B 2203/302
Non-circular core cross-sections
C03B2203/302 (Non-circular core cross-sections) appears on 19 US grants and 22 published applications in this corpus.
Search patents in C03B- Granted patents
- 19
- Published applications
- 22
- Assignees
- 11
- Inventors
- 59
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 2 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Infrared-transmitting, polarization-maintaining optical fiber and method for making12 May 2026US 12,623,947 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Infrared-transmitting, polarization-maintaining optical fiber and method for making27 Feb 2024US 11,912,606 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Fiber panel including noncircular optical fibers21 Apr 2020US 10,627,570 B2Valeo North America, Inc.
- High-birefringence hollow-core fibers and techniques for making same15 May 2018US 9,971,087 B2OFS Fitel, LLC
- High-birefringence hollow-core fibers and techniques for making same23 May 2017US 9,658,393 B2OFS Fitel, LLC
- Infrared-transmitting, polarization-maintaining optical fiber and method for making27 Aug 2026US 2026/0250178 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Optical fibers with non-circular coating9 Oct 2025US 2025/0314817 A1Corning Incorporated
- Infrared-transmitting, polarization-maintaining optical fiber and method for making20 Jun 2024US 2024/0199468 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Infrared-transmitting, polarization-maintaining optical fiber and method for making8 Oct 2020US 2020/0317557 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Fiber panel including noncircular optical fibers11 Jul 2019US 2019/0212491 A1Valeo North America, Inc.
Most cited
By later US patents
- Method of making polarization retaining single-mode optical waveguide22US 4,360,371 ACorning Glass Works · 1982
- Method of making polarization retaining fiber with an elliptical core, with collapsed apertures22US 5,149,349 ACorning Incorporated · 1992
- High-birefringence hollow-core fibers and techniques for making same10US 9,658,393 B2OFS Fitel, LLC · 2017
- Multimode polarization maintaining double clad fiber7US 7,110,647 B2Nufern · 2006
- Optical fiber with plurality of air holes and stress rods6US 7,412,142 B2Corning Incorporated · 2008