G02B 6/443
Protective covering
Official title: {Protective covering}
G02B6/443 (Protective covering) appears on 1,577 US grants and 1,572 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,577
- Published applications
- 1,572
- Assignees
- 439
- Inventors
- 2,472
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 9 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 21 | 0 |
| 1988 | 21 | 0 |
| 1989 | 19 | 0 |
| 1990 | 23 | 0 |
| 1991 | 17 | 0 |
| 1992 | 20 | 0 |
| 1993 | 24 | 0 |
| 1994 | 16 | 0 |
| 1995 | 18 | 0 |
| 1996 | 7 | 0 |
| 1997 | 21 | 0 |
| 1998 | 15 | 0 |
| 1999 | 21 | 0 |
| 2000 | 26 | 0 |
| 2001 | 33 | 11 |
| 2002 | 29 | 25 |
| 2003 | 33 | 28 |
| 2004 | 19 | 44 |
| 2005 | 18 | 19 |
| 2006 | 22 | 27 |
| 2007 | 27 | 23 |
| 2008 | 27 | 37 |
| 2009 | 16 | 50 |
| 2010 | 35 | 47 |
| 2011 | 20 | 58 |
| 2012 | 40 | 42 |
| 2013 | 51 | 48 |
| 2014 | 58 | 63 |
| 2015 | 63 | 87 |
| 2016 | 68 | 71 |
| 2017 | 67 | 93 |
| 2018 | 83 | 78 |
| 2019 | 92 | 91 |
| 2020 | 82 | 92 |
| 2021 | 72 | 97 |
| 2022 | 76 | 86 |
| 2023 | 62 | 100 |
| 2024 | 56 | 99 |
| 2025 | 63 | 92 |
| 2026 | 38 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Optical fiber cable29 Sep 2026US 12,748,274 B2AFL Telecommunications LLC
- Optical fiber cable22 Sep 2026US 12,742,941 B2Corning Research & Development Corporation
- Adaptable wound drainage system15 Sep 2026US 12,734,285 B2IC Surgical, Inc.
- 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
- Figure-eight preconnectorized fiber optic drop cables and assemblies343US 7,111,990 B2Corning Cable Systems LLC · 2006
- Optical fiber cable with fiber receiving jacket ducts335US 7,123,801 B2Prysmian Communications Cables and Systems USA, LLC · 2006