C03B 2203/20
Helical
Official title: helical
C03B2203/20 (Helical) appears on 69 US grants and 45 published applications in this corpus.
Search patents in C03B- Granted patents
- 69
- Published applications
- 45
- Assignees
- 36
- Inventors
- 134
- Latest grant
- 7 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 7 |
| 2005 | 3 | 5 |
| 2006 | 3 | 5 |
| 2007 | 3 | 1 |
| 2008 | 2 | 2 |
| 2009 | 3 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 4 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 2 | 3 |
| 2020 | 4 | 3 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical fiber with variable absorption7 Nov 2023US 11,808,970 B2Lumentum Operations LLC
- Method for making an optical fiber device from a 3D printed preform body and related structures17 Jan 2023US 11,554,977 B2Harris Corporation
- Multi-core optical fiber and method for manufacturing multi-core optical fiber19 Jul 2022US 11,391,603 B2Fujikura Ltd.
- Spun round core fiber17 Nov 2020US 10,838,141 B2nLIGHT, Inc.
- Rotary optical beam generator23 Jun 2020US 10,690,854 B2Lumentum Operations LLC
- Controlling refractive index profile during fiber preform manufacturing11 Jul 2024US 2024/0230984 A9Lumentum Operations LLC
- Controlling refractive index profile during fiber preform manufacturing25 Apr 2024US 2024/0134113 A1Lumentum Operations LLC
- Optical fiber with variable absorption10 Mar 2022US 2022/0077643 A1Lumentum Operations LLC
- Multi-core optical fiber and method for manufacturing multi-core optical fiber2 Sep 2021US 2021/0270642 A1Fujikura Ltd.
- Optical fiber with integrated absorber material2 Jul 2020US 2020/0209466 A1Intuitive Surgical Operations, Inc.
Most cited
By later US patents
- Method of making a fiber having low polarization mode dispersion due to a permanent spin58US 5,298,047 AAT&T Bell Laboratories · 1994
- Method for making optical fibers with variations in core diameter54US 4,049,413 ABell Telephone Laboratories, Incorporated · 1977
- Method of fabricating dispersion compensation fiber51US 5,581,647 ASumitomo Electric Industries, Ltd. · 1996
- Dispersion managed optical waveguide47US 5,894,537 ACorning Incorporated · 1999
- Devitrification resistant flame hydrolysis process45US 4,486,212 ACorning Glass Works · 1984