G02B 6/501
Underground installation of connection boxes
Official title: {underground installation of connection boxes}
G02B6/501 (Underground installation of connection boxes) appears on 109 US grants and 86 published applications in this corpus.
Search patents in G02B- Granted patents
- 109
- Published applications
- 86
- Assignees
- 68
- Inventors
- 236
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 0 |
| 2003 | 6 | 1 |
| 2004 | 3 | 1 |
| 2005 | 1 | 5 |
| 2006 | 3 | 7 |
| 2007 | 1 | 2 |
| 2008 | 6 | 3 |
| 2009 | 3 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 2 | 1 |
| 2014 | 3 | 4 |
| 2015 | 0 | 2 |
| 2016 | 1 | 6 |
| 2017 | 2 | 2 |
| 2018 | 5 | 4 |
| 2019 | 5 | 8 |
| 2020 | 8 | 9 |
| 2021 | 3 | 4 |
| 2022 | 4 | 2 |
| 2023 | 4 | 2 |
| 2024 | 2 | 6 |
| 2025 | 2 | 7 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Modular vault for fiber optic cables23 Jun 2026US 12,663,603 B2Clearfield, Inc.
- Modular access chamber and method of assembly23 Jun 2026US 12,665,405 B2Polypipe Limited
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- Grade level utilities enclosure having tapered walls and bracket12 May 2026US 12,627,130 B2Channell Commercial Corporation
- Cable enclosure24 Sep 2026US 2026/0287845 A1Preformed Line Products Company
- Modular vault for fiber optic cables24 Sep 2026US 2026/0287846 A1
- Underground Enclosure Assembly and Method25 Jun 2026US 2026/0180296 A1Htz Solutions LLC
- Optical Fiber Enclosure6 Nov 2025US 2025/0341698 A1
- Flood Resistant Optical Fiber Enclosure6 Nov 2025US 2025/0341699 A1
Most cited
By later US patents
- Connectorized inside fiber optic drop390US 6,668,127 B1BellSouth Intellectual Property Corporation · 2003
- Fiber optic interface device347US 6,625,375 B1BellSouth Intellectual Property Corporation · 2003
- Connectorized outside fiber optic drop331US 6,614,980 B1BellSouth Intellectual Property Corporation · 2003
- Connectorized inside fiber optic drop325US 6,539,147 B1BellSouth Intellectual Property Corporation · 2003
- Multi-port optical connection terminal270US 7,120,347 B2Corning Cable Systems LLC · 2006