G02B 6/381
Of the ferrule type
Official title: {of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres}
G02B6/381 (Of the ferrule type) appears on 5,470 US grants and 5,015 published applications in this corpus.
Search patents in G02B- Granted patents
- 5,470
- Published applications
- 5,015
- Assignees
- 1,325
- Inventors
- 6,802
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 14 | 0 |
| 1979 | 10 | 0 |
| 1980 | 25 | 0 |
| 1981 | 26 | 0 |
| 1982 | 10 | 0 |
| 1983 | 11 | 0 |
| 1984 | 24 | 0 |
| 1985 | 16 | 0 |
| 1986 | 17 | 0 |
| 1987 | 60 | 0 |
| 1988 | 66 | 0 |
| 1989 | 47 | 0 |
| 1990 | 45 | 0 |
| 1991 | 61 | 0 |
| 1992 | 74 | 0 |
| 1993 | 78 | 0 |
| 1994 | 72 | 0 |
| 1995 | 57 | 0 |
| 1996 | 48 | 0 |
| 1997 | 75 | 0 |
| 1998 | 91 | 0 |
| 1999 | 88 | 0 |
| 2000 | 81 | 0 |
| 2001 | 122 | 30 |
| 2002 | 152 | 129 |
| 2003 | 132 | 129 |
| 2004 | 119 | 128 |
| 2005 | 113 | 111 |
| 2006 | 90 | 99 |
| 2007 | 82 | 94 |
| 2008 | 105 | 119 |
| 2009 | 88 | 108 |
| 2010 | 105 | 143 |
| 2011 | 65 | 192 |
| 2012 | 103 | 177 |
| 2013 | 139 | 160 |
| 2014 | 175 | 200 |
| 2015 | 187 | 196 |
| 2016 | 230 | 279 |
| 2017 | 283 | 281 |
| 2018 | 240 | 272 |
| 2019 | 281 | 293 |
| 2020 | 301 | 344 |
| 2021 | 246 | 341 |
| 2022 | 273 | 263 |
| 2023 | 198 | 283 |
| 2024 | 220 | 259 |
| 2025 | 187 | 223 |
| 2026 | 131 | 162 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02B 6/3825With an intermediate part2,518
- G02B 6/3818Of a low-reflection-loss type1,795
- G02B 6/3826Characterised by form or shape1,344
- G02B 6/3817Containing optical and electrical conductors804
- G02B 6/3816For use under water, high pressure connectors278
- G02B 6/3823Containing surplus lengths, internal fibre loops128
- G02B 6/3813For transmission of high energy beam121
- G02B 6/3814With cooling or heat dissipation means103
All 9 subgroupsShow fewer
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Most cited
By later US patents
- One-piece SC adapter889US 5,317,663 AADC Telecommunications, Inc. · 1994
- High-density fiber distribution frame835US 5,497,444 AADC Telecommunications, Inc. · 1996
- Fiber optic receptacle616US 6,579,014 B2Corning Cable Systems LLC · 2003
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