C03B 2203/31
By use of stress-imparting rods
Official title: by use of stress-imparting rods, e.g. by insertion
C03B2203/31 (By use of stress-imparting rods) appears on 56 US grants and 42 published applications in this corpus.
Search patents in C03B- Granted patents
- 56
- Published applications
- 42
- Assignees
- 27
- Inventors
- 136
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 5 |
| 2003 | 2 | 1 |
| 2004 | 3 | 3 |
| 2005 | 0 | 1 |
| 2006 | 3 | 3 |
| 2007 | 2 | 4 |
| 2008 | 3 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 4 |
| 2012 | 1 | 0 |
| 2013 | 4 | 3 |
| 2014 | 2 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 3 | 3 |
| 2018 | 3 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polarization maintaining optical fiber and polarization maintaining optical fiber manufacturing method11 Aug 2026US 12,704,672 B2Sumitomo Electric Industries, Ltd.
- 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
- Polarization maintaining fiber with alignment features26 Aug 2025US 12,399,316 B2Intel Corporation
- 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
- Method of making optical fiber preform with pressed soot10 Sep 2019US 10,407,337 B2Corning Incorporated
- 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
- Polarization maintaining optical fiber and polarization maintaining optical fiber manufacturing method14 Mar 2024US 2024/0085618 A1Sumitomo Electric Industries, Ltd.
- Polarization maintaining fiber with alignment features22 Jun 2023US 2023/0194805 A1Intel Corporation
Most cited
By later US patents
- Optical fiber51US 7,116,887 B2Nufern · 2006
- Exposed core optical fibers, and method of making same41US 4,630,890 AAT&T Bell Laboratories · 1986
- Method of fabricating a polarization retaining single-mode optical waveguide35US 4,395,270 ACorning Glass Works · 1983
- Polarized wave holding optical fiber, production method therefor, connection method therefor, optical amplifier, laser oscillator and polarized wave holding optical fiber coupler33US 5,689,578 AFujikura Ltd. · 1997
- Laser optimized multimode fiber and method for use with laser and LED sources and system employing same33US 6,724,965 B2Corning Incorporated · 2004