G02B 6/4442
Cap coupling boxes
Official title: {Cap coupling boxes}
G02B6/4442 (Cap coupling boxes) appears on 566 US grants and 598 published applications in this corpus.
Search patents in G02B- Granted patents
- 566
- Published applications
- 598
- Assignees
- 146
- Inventors
- 794
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 18 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 0 |
| 2002 | 6 | 5 |
| 2003 | 4 | 4 |
| 2004 | 4 | 5 |
| 2005 | 2 | 3 |
| 2006 | 3 | 16 |
| 2007 | 9 | 7 |
| 2008 | 13 | 14 |
| 2009 | 14 | 21 |
| 2010 | 12 | 22 |
| 2011 | 10 | 9 |
| 2012 | 9 | 16 |
| 2013 | 8 | 22 |
| 2014 | 27 | 21 |
| 2015 | 12 | 24 |
| 2016 | 32 | 29 |
| 2017 | 27 | 32 |
| 2018 | 23 | 25 |
| 2019 | 39 | 39 |
| 2020 | 26 | 41 |
| 2021 | 35 | 53 |
| 2022 | 28 | 44 |
| 2023 | 31 | 46 |
| 2024 | 31 | 38 |
| 2025 | 29 | 47 |
| 2026 | 27 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Support frame assemblies for optical fiber management trays29 Sep 2026US 12,748,275 B2CommScope Technologies LLC
- Butt closures and organizer assemblies therefor29 Sep 2026US 12,748,277 B2AFL Telecommunications LLC
- Connection interfaces and related assemblies1 Sep 2026US 12,724,217 B2Outdoor Wireless Networks LLC
- Positioning fixture for fixing end face structure of optical fiber splice closure25 Aug 2026US 12,717,107 B2Accelight Technologies (Wuhan) Inc.
- Grommet for a splice enclosure and a splice enclosure including a grommet18 Aug 2026US 12,710,608 B2Preformed Line Products Company
- Connection interfaces and related assemblies8 Oct 2026US 2026/0309951 A1Outdoor Wireless Networks LLC
- Nestable enclosure kit and enclosure assembly for telecommunication cable10 Sep 2026US 2026/0267103 A1Plugin Optics Inc.
- Fiber Optic Enclosure with Improved Sealing System10 Sep 2026US 2026/0267104 A1Multilink, Inc.
- Telecommunication enclosures20 Aug 2026US 2026/0243990 A1AFL Telecommunications LLC
- Locking ring for a cable closure13 Aug 2026US 2026/0235835 A1Corning Research & Development Corporation
Most cited
By later US patents
- Outside plant cross-connect apparatus361US 5,734,776 AADC Telecommunications, Inc. · 1998
- Fiber optic splice closure356US 5,323,480 ARaychem Corporation · 1994
- Optical fiber splicing and connecting assembly with coupler cassette313US 6,539,160 B2Corning Cable Systems LLC · 2003
- Fiber optic closure with couplers and splice tray268US 6,434,313 B1Corning Cable Systems LLC · 2002
- Below grade closure for local convergence point265US 6,778,752 B2Corning Cable Systems LLC · 2004