G02B 6/4479
Manufacturing methods of optical cables
Official title: {Manufacturing methods of optical cables}
G02B6/4479 (Manufacturing methods of optical cables) appears on 1,779 US grants and 1,365 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,779
- Published applications
- 1,365
- Assignees
- 495
- Inventors
- 2,745
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 13 | 0 |
| 1979 | 11 | 0 |
| 1980 | 18 | 0 |
| 1981 | 10 | 0 |
| 1982 | 13 | 0 |
| 1983 | 26 | 0 |
| 1984 | 24 | 0 |
| 1985 | 24 | 0 |
| 1986 | 26 | 0 |
| 1987 | 26 | 0 |
| 1988 | 47 | 0 |
| 1989 | 40 | 0 |
| 1990 | 34 | 0 |
| 1991 | 31 | 0 |
| 1992 | 39 | 0 |
| 1993 | 27 | 0 |
| 1994 | 31 | 0 |
| 1995 | 25 | 0 |
| 1996 | 24 | 0 |
| 1997 | 33 | 0 |
| 1998 | 29 | 0 |
| 1999 | 32 | 0 |
| 2000 | 33 | 0 |
| 2001 | 48 | 9 |
| 2002 | 45 | 40 |
| 2003 | 40 | 39 |
| 2004 | 27 | 33 |
| 2005 | 28 | 27 |
| 2006 | 10 | 22 |
| 2007 | 25 | 16 |
| 2008 | 21 | 19 |
| 2009 | 13 | 30 |
| 2010 | 13 | 28 |
| 2011 | 13 | 26 |
| 2012 | 22 | 23 |
| 2013 | 23 | 38 |
| 2014 | 34 | 54 |
| 2015 | 54 | 64 |
| 2016 | 58 | 52 |
| 2017 | 51 | 69 |
| 2018 | 51 | 66 |
| 2019 | 88 | 100 |
| 2020 | 88 | 106 |
| 2021 | 65 | 108 |
| 2022 | 100 | 97 |
| 2023 | 71 | 92 |
| 2024 | 62 | 80 |
| 2025 | 58 | 73 |
| 2026 | 42 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02B 6/4486Protective covering557
- G02B 6/448Ribbon cables364
- G02B 6/4482Code or colour marking323
- G02B 6/449Twisting230
- G02B 6/4483Injection or filling devices117
- G02B 6/4489Of central supporting members of lobe structure117
- G02B 6/4484With desired surplus length between fibres and protection features108
- G02B 6/4485Installing in protective tubing by fluid drag during manufacturing64
Recent patents
- High density, low diameter cable with rollable fiber optic ribbon6 Oct 2026US 12,754,388 B2Corning Research & Development Corporation
- Intermittently bonded optical fiber ribbon and method of preparing same6 Oct 2026US 12,754,389 B2Corning Research & Development Corporation
- Resin composition for colored coating on optical fiber, optical fiber, and optical fiber ribbon22 Sep 2026US 12,742,942 B2Sumitomo Electric Industries, Ltd.
- Quad wheel buffering tube clencher capstan22 Sep 2026US 12,742,943 B2Technical Development Company
- Manufacturing method for optical fiber tape core wire and manufacturing apparatus for optical fiber tape core wire15 Sep 2026US 12,734,545 B2SWCC Corporation
- Method For Orienting And Terminating Polarization-Maintaining (PM) Optical Fiber And Forming A PM Optical Fiber Assembly1 Oct 2026US 2026/0299213 A1OpTek Systems, Inc.
- Fiber optic pulling assembly1 Oct 2026US 2026/0299237 A1CommScope Technologies LLC
- Optical fiber cable17 Sep 2026US 2026/0276931 A1HFCL Limited
- Optical fiber ribbon and optical cable10 Sep 2026US 2026/0267100 A1Sumitomo Electric Industries, Ltd.
- Optical fiber cable and method of manufacturing optical fiber cable10 Sep 2026US 2026/0267102 A1Fujikura Ltd.
Most cited
By later US patents
- Composite buffer optical fiber cables273US 5,148,509 ACorning Incorporated · 1992
- Fiber optic microcable produced with fiber reinforced ultraviolet light cured resin and method for manufacturing same264US 5,440,660 AThe United States of America as represented by the Secretary of the Navy · 1995
- Optical fiber cable and process for production thereof245US 4,491,386 ANippon Telegraph & Telephone Public Corporation · 1985
- Foamed fiber optic cable243US 7,873,249 B2ADC Telecommunications, Inc. · 2011
- Optical fiber structure and method of manufacturing same238US 7,509,009 B2Tomoegawa Paper Co., Ltd. · 2009