G02B 6/3851
Ferrules having keying or coding means
Official title: {Ferrules having keying or coding means}
G02B6/3851 (Ferrules having keying or coding means) appears on 448 US grants and 382 published applications in this corpus.
Search patents in G02B- Granted patents
- 448
- Published applications
- 382
- Assignees
- 192
- Inventors
- 734
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 14 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 4 | 0 |
| 2001 | 14 | 4 |
| 2002 | 10 | 5 |
| 2003 | 8 | 9 |
| 2004 | 6 | 18 |
| 2005 | 9 | 6 |
| 2006 | 12 | 11 |
| 2007 | 8 | 7 |
| 2008 | 7 | 5 |
| 2009 | 3 | 9 |
| 2010 | 5 | 5 |
| 2011 | 5 | 15 |
| 2012 | 6 | 8 |
| 2013 | 10 | 13 |
| 2014 | 9 | 12 |
| 2015 | 10 | 17 |
| 2016 | 17 | 19 |
| 2017 | 18 | 18 |
| 2018 | 19 | 13 |
| 2019 | 22 | 27 |
| 2020 | 17 | 37 |
| 2021 | 13 | 24 |
| 2022 | 34 | 26 |
| 2023 | 19 | 25 |
| 2024 | 22 | 26 |
| 2025 | 15 | 13 |
| 2026 | 14 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adapter shutter assembly with shutter retention cap22 Sep 2026US 12,742,935 B2US Conec Ltd.
- Methods of optical fiber reshaping for direct locking optical fibers and correcting core-to-ferrule eccentricity errors1 Sep 2026US 12,724,207 B2Corning Research & Development Corporation
- Multiports and other devices having connection ports with securing features and methods of making the same4 Aug 2026US 12,699,231 B2Corning Research & Development Corporation
- Optical connector9 Jun 2026US 12,650,561 B2Sumitomo Electric Industries, Ltd.
- Fiber optic connector with field installable outer connector housing19 May 2026US 12,631,831 B2CommScope Technologies LLC
- Lens-based connector assemblies having precision alignment features and methods for fabricating the same10 Sep 2026US 2026/0267079 A1Corning Research & Development Corporation
- Hardened connector23 Jul 2026US 2026/0211191 A1CommScope Technologies LLC
- Optical connector, optical module, and method for evaluating optical connector25 Jun 2026US 2026/0177752 A1Enplas Corporation
- Ferrule Push4 Jun 2026US 2026/0153689 A1US Conec Ltd.
- Fiber Cable Jacket Retention Features for VSFF Fiber-Optic Connectors4 Jun 2026US 2026/0153691 A1US Conec Ltd.
Most cited
By later US patents
- Optical fiber ferrule connector having enhanced provisions for tuning418US 5,212,752 AAT&T Bell Laboratories · 1993
- Preconnectorized fiber optic drop cables and assemblies for efficient deployment382US 7,090,407 B2Corning Cable Systems LLC · 2006
- Multi-fiber optic receptacle and plug assembly281US 7,264,402 B2Corning Cable Systems LLC · 2007
- Fiber optic connector having keyed ferrule holder250US 7,150,567 B1Corning Cable Systems LLC · 2006
- Optical fiber connector tuning index tool248US 6,464,402 B1Fitel USA Corp. · 2002