G02B 6/3831
Comprising a keying element on the plug or adapter
Official title: {comprising a keying element on the plug or adapter, e.g. to forbid wrong connection (keying element on the ferrule G02B6/3851; keying element for electrical coupling H01R13/64)}
G02B6/3831 (Comprising a keying element on the plug or adapter) appears on 767 US grants and 750 published applications in this corpus.
Search patents in G02B- Granted patents
- 767
- Published applications
- 750
- Assignees
- 236
- Inventors
- 951
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 13 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 15 | 4 |
| 2002 | 18 | 6 |
| 2003 | 7 | 3 |
| 2004 | 3 | 10 |
| 2005 | 7 | 8 |
| 2006 | 8 | 18 |
| 2007 | 13 | 6 |
| 2008 | 12 | 15 |
| 2009 | 5 | 9 |
| 2010 | 14 | 14 |
| 2011 | 7 | 8 |
| 2012 | 5 | 8 |
| 2013 | 8 | 14 |
| 2014 | 15 | 27 |
| 2015 | 18 | 19 |
| 2016 | 19 | 20 |
| 2017 | 26 | 37 |
| 2018 | 38 | 35 |
| 2019 | 36 | 53 |
| 2020 | 50 | 84 |
| 2021 | 46 | 72 |
| 2022 | 69 | 63 |
| 2023 | 60 | 78 |
| 2024 | 58 | 62 |
| 2025 | 49 | 44 |
| 2026 | 34 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical and/or optical contact comprising a body and a cable sleeve configured to prevent unwanted unlocking of a connection, connector or adaptor housing such a contact6 Oct 2026US 12,754,378 B2Radiall
- Adapter shutter assembly with shutter retention cap22 Sep 2026US 12,742,935 B2US Conec Ltd.
- Optical fiber connection base and optical fiber connection base module15 Sep 2026US 12,736,765 B2Clevo Co.
- Fiber optic adapter assembly8 Sep 2026US 12,730,267 B2CommScope Connectivity Belgium BVBA
- Fiber connecting body, optical communication system, optical device, and method for manufacturing fiber connecting body11 Aug 2026US 12,704,670 B2Fujikura Ltd.
- Shock-resistant optical and electrical hybrid connector24 Sep 2026US 2026/0287824 A1Accelink Technologies Co., Ltd.
- Lens-based connector assemblies having precision alignment features and methods for fabricating the same10 Sep 2026US 2026/0267079 A1Corning Research & Development Corporation
- Terminator, terminal, and optical connection structure6 Aug 2026US 2026/0227581 A1Sumitomo Electric Industries, Ltd.
- Hardened connector23 Jul 2026US 2026/0211191 A1CommScope Technologies LLC
- Telecommunications connector with latch release mechanism16 Jul 2026US 2026/0202621 A1CommScope Technologies LLC
Most cited
By later US patents
- Optical fiber ferrule connector having enhanced provisions for tuning418US 5,212,752 AAT&T Bell Laboratories · 1993
- Field repairable hermaphroditic connector399US 6,234,683 B1Stratos Lightwave, Inc. · 2001
- Hardened fiber optic connector compatible with hardened and non-hardened fiber optic adapters311US 7,744,288 B2ADC Telecommunications, Inc. · 2010
- Labeling and tracing system for jumper used in an exchange288US 5,821,510 ALucent Technologies Inc. · 1998
- Multi-fiber optic receptacle and plug assembly281US 7,264,402 B2Corning Cable Systems LLC · 2007