G02B 6/4429
Means specially adapted for strengthening or protecting the cables
Official title: {Means specially adapted for strengthening or protecting the cables}
G02B6/4429 (Means specially adapted for strengthening or protecting the cables) appears on 2,639 US grants and 2,398 published applications in this corpus.
Search patents in G02B- Granted patents
- 2,639
- Published applications
- 2,398
- Assignees
- 712
- Inventors
- 3,787
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 13 | 0 |
| 1981 | 4 | 0 |
| 1982 | 12 | 0 |
| 1983 | 9 | 0 |
| 1984 | 13 | 0 |
| 1985 | 23 | 0 |
| 1986 | 15 | 0 |
| 1987 | 43 | 0 |
| 1988 | 49 | 0 |
| 1989 | 40 | 0 |
| 1990 | 48 | 0 |
| 1991 | 40 | 0 |
| 1992 | 38 | 0 |
| 1993 | 54 | 0 |
| 1994 | 36 | 0 |
| 1995 | 34 | 0 |
| 1996 | 19 | 0 |
| 1997 | 34 | 0 |
| 1998 | 32 | 0 |
| 1999 | 39 | 0 |
| 2000 | 47 | 0 |
| 2001 | 64 | 14 |
| 2002 | 59 | 55 |
| 2003 | 60 | 72 |
| 2004 | 51 | 77 |
| 2005 | 43 | 56 |
| 2006 | 45 | 56 |
| 2007 | 47 | 43 |
| 2008 | 50 | 70 |
| 2009 | 43 | 86 |
| 2010 | 50 | 74 |
| 2011 | 40 | 85 |
| 2012 | 57 | 62 |
| 2013 | 66 | 70 |
| 2014 | 90 | 99 |
| 2015 | 89 | 142 |
| 2016 | 124 | 115 |
| 2017 | 106 | 123 |
| 2018 | 112 | 121 |
| 2019 | 143 | 139 |
| 2020 | 134 | 135 |
| 2021 | 102 | 133 |
| 2022 | 105 | 114 |
| 2023 | 88 | 127 |
| 2024 | 78 | 132 |
| 2025 | 78 | 114 |
| 2026 | 48 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02B 6/443Protective covering1,577
- G02B 6/44384The means comprising water blocking or hydrophobic materials655
- G02B 6/4434Central member to take up tensile loads457
- G02B 6/4436Heat resistant350
- G02B 6/44382The means comprising hydrogen absorbing materials144
- G02B 6/4438For facilitating insertion by fluid drag in ducts or capillaries103
- G02B 6/4435Corrugated mantle90
- G02B 6/44386Freeze-prevention means13
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
- 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
- Optical fiber cable22 Sep 2026US 12,742,941 B2Corning Research & Development Corporation
- While-drilling fiber optic communication system and method8 Oct 2026US 2026/0309953 A1Wuhan University of Technology
- 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
- Optical fiber cable configured for low attenuation change during crush events1 Oct 2026US 2026/0299239 A1Corning Research & Development Corporation
- Air-blowing optical cable1 Oct 2026US 2026/0299246 A1Jiangsu Zhongtian Technology Co., Ltd.
Most cited
By later US patents
- 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
- Coated central strength member for fiber optic cables with reduced shrinkage358US 7,346,244 B2Draka Comteq B.V. · 2008