G02B 6/3874
Using tubes, sleeves to align ferrules
Official title: {using tubes, sleeves to align ferrules}
G02B6/3874 (Using tubes, sleeves to align ferrules) appears on 2,322 US grants and 1,915 published applications in this corpus.
Search patents in G02B- Granted patents
- 2,322
- Published applications
- 1,915
- Assignees
- 618
- Inventors
- 2,907
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 8 | 0 |
| 1978 | 9 | 0 |
| 1979 | 12 | 0 |
| 1980 | 15 | 0 |
| 1981 | 12 | 0 |
| 1982 | 9 | 0 |
| 1983 | 10 | 0 |
| 1984 | 13 | 0 |
| 1985 | 11 | 0 |
| 1986 | 8 | 0 |
| 1987 | 35 | 0 |
| 1988 | 44 | 0 |
| 1989 | 42 | 0 |
| 1990 | 30 | 0 |
| 1991 | 28 | 0 |
| 1992 | 43 | 0 |
| 1993 | 44 | 0 |
| 1994 | 27 | 0 |
| 1995 | 26 | 0 |
| 1996 | 27 | 0 |
| 1997 | 30 | 0 |
| 1998 | 40 | 0 |
| 1999 | 32 | 0 |
| 2000 | 33 | 0 |
| 2001 | 49 | 17 |
| 2002 | 71 | 45 |
| 2003 | 54 | 49 |
| 2004 | 44 | 57 |
| 2005 | 43 | 47 |
| 2006 | 44 | 45 |
| 2007 | 38 | 31 |
| 2008 | 35 | 34 |
| 2009 | 36 | 43 |
| 2010 | 34 | 43 |
| 2011 | 22 | 56 |
| 2012 | 31 | 52 |
| 2013 | 37 | 48 |
| 2014 | 60 | 76 |
| 2015 | 72 | 74 |
| 2016 | 80 | 108 |
| 2017 | 99 | 121 |
| 2018 | 106 | 119 |
| 2019 | 123 | 130 |
| 2020 | 142 | 164 |
| 2021 | 110 | 134 |
| 2022 | 114 | 92 |
| 2023 | 86 | 108 |
| 2024 | 84 | 94 |
| 2025 | 69 | 68 |
| 2026 | 43 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Boot release/lock simplex and duplex optical connectors29 Sep 2026US 12,748,265 B2Google Inc.
- Dual-core connector and connection system15 Sep 2026US 12,736,757 B2Huawei Technologies Co., Ltd.
- Fiber optic adapter assembly8 Sep 2026US 12,730,267 B2CommScope Connectivity Belgium BVBA
- Fiber optic receptacle having an alignment assembly25 Aug 2026US 12,717,090 B2Corning Research & Development Corporation
- Cable connector assembly18 Aug 2026US 12,710,598 B2Neutrik AG
- Optical fibre connector assembly8 Oct 2026US 2026/0309925 A1
- Fiber optic connectors having one or more optical terminals24 Sep 2026US 2026/0287826 A1Corning Research & Development Corporation
- High density optical splitter with internal fanout device24 Sep 2026US 2026/0287844 A1Corning Research & Development Corporation
- Laser ferrule-to-optical fiber ferrule retaining clip for pluggable optical transceiver modules27 Aug 2026US 2026/0251854 A1Marvell Asia Pte Ltd
- High density optical splitter with internal fanout device20 Aug 2026US 2026/0243989 A1Corning Research & Development Corporation
Most cited
By later US patents
- Optical fiber ferrule connector having enhanced provisions for tuning418US 5,212,752 AAT&T Bell Laboratories · 1993
- Dust caps for use with telecommunications adapters and connectors410US 6,227,717 B1The Siemon Company · 2001
- Fiber optic drop cables and preconnectorized assemblies having toning portions407US 7,113,679 B2Corning Cable Systems LLC · 2006
- Field repairable hermaphroditic connector399US 6,234,683 B1Stratos Lightwave, Inc. · 2001
- Preconnectorized fiber optic drop cables and assemblies for efficient deployment382US 7,090,407 B2Corning Cable Systems LLC · 2006