G02B 6/4401
Optical cables
Official title: {Optical cables (glass fibres with a protective coating G02B6/02395)}
G02B6/4401 (Optical cables) appears on 4,680 US grants and 3,948 published applications in this corpus.
Search patents in G02B- Granted patents
- 4,680
- Published applications
- 3,948
- Assignees
- 1,209
- Inventors
- 6,635
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 9 | 0 |
| 1978 | 28 | 0 |
| 1979 | 22 | 0 |
| 1980 | 35 | 0 |
| 1981 | 25 | 0 |
| 1982 | 36 | 0 |
| 1983 | 33 | 0 |
| 1984 | 38 | 0 |
| 1985 | 47 | 0 |
| 1986 | 42 | 0 |
| 1987 | 90 | 0 |
| 1988 | 104 | 0 |
| 1989 | 92 | 0 |
| 1990 | 79 | 0 |
| 1991 | 74 | 0 |
| 1992 | 78 | 0 |
| 1993 | 91 | 0 |
| 1994 | 75 | 0 |
| 1995 | 54 | 0 |
| 1996 | 57 | 0 |
| 1997 | 66 | 0 |
| 1998 | 59 | 0 |
| 1999 | 67 | 0 |
| 2000 | 86 | 0 |
| 2001 | 112 | 23 |
| 2002 | 97 | 95 |
| 2003 | 96 | 122 |
| 2004 | 92 | 119 |
| 2005 | 85 | 91 |
| 2006 | 70 | 82 |
| 2007 | 72 | 75 |
| 2008 | 70 | 98 |
| 2009 | 66 | 107 |
| 2010 | 63 | 98 |
| 2011 | 54 | 117 |
| 2012 | 74 | 88 |
| 2013 | 95 | 135 |
| 2014 | 128 | 174 |
| 2015 | 154 | 219 |
| 2016 | 195 | 195 |
| 2017 | 187 | 216 |
| 2018 | 175 | 214 |
| 2019 | 240 | 247 |
| 2020 | 250 | 248 |
| 2021 | 175 | 230 |
| 2022 | 188 | 234 |
| 2023 | 157 | 215 |
| 2024 | 164 | 213 |
| 2025 | 139 | 161 |
| 2026 | 84 | 132 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02B 6/4429Means specially adapted for strengthening or protecting the cables2,639
- G02B 6/4415Cables for special applications1,698
- G02B 6/4403With ribbon structure897
- G02B 6/441Built up from sub-bundles800
- G02B 6/4407With internal fluted support member262
- G02B 6/4402With one single optical waveguide226
- G02B 6/4405With longitudinally spaced waveguide clamping101
Recent patents
- Fiber optic cable6 Oct 2026US 12,754,387 B2NTT, Inc.
- 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
- Capillary and manufacturing method therefor29 Sep 2026US 12,748,264 B2Nippon Electric Glass Co., Ltd.
- Optical fiber cable29 Sep 2026US 12,748,274 B2AFL Telecommunications LLC
- While-drilling fiber optic communication system and method8 Oct 2026US 2026/0309953 A1Wuhan University of Technology
- Multicore optical fiber for high density cable1 Oct 2026US 2026/0299189 A1
- Optical fiber and optical fiber ribbon1 Oct 2026US 2026/0299190 A1Sumitomo Electric Industries, Ltd.
- Fiber optic pulling assembly1 Oct 2026US 2026/0299237 A1CommScope Technologies LLC
- Collapse resistant coupled electro-optics slickline cable1 Oct 2026US 2026/0299238 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Dielectric transmission medium connector and methods for use therewith479US 9,853,342 B2AT&T Intellectual Property I, L. P. · 2017
- Preconnectorized fiber optic drop cables and assemblies422US 7,090,406 B2Corning Cable Systems LLC · 2006
- Fiber optic drop cables and preconnectorized assemblies having toning portions407US 7,113,679 B2Corning Cable Systems LLC · 2006
- Preconnectorized fiber optic drop cables and assemblies for efficient deployment382US 7,090,407 B2Corning Cable Systems LLC · 2006
- Optical fiber cable provided with stabilized waterblocking material361US 5,285,513 AAT&T Bell Laboratories · 1994