H02G 9/06
In underground tubes or conduits
Official title: in underground tubes or conduits; Tubes or conduits therefor
H02G9/06 (In underground tubes or conduits) appears on 352 US grants and 353 published applications in this corpus.
Search patents in H02G- Granted patents
- 352
- Published applications
- 353
- Assignees
- 245
- Inventors
- 659
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 11 | 9 |
| 2002 | 11 | 10 |
| 2003 | 9 | 17 |
| 2004 | 16 | 16 |
| 2005 | 11 | 15 |
| 2006 | 10 | 6 |
| 2007 | 4 | 11 |
| 2008 | 8 | 11 |
| 2009 | 7 | 4 |
| 2010 | 8 | 7 |
| 2011 | 3 | 7 |
| 2012 | 1 | 8 |
| 2013 | 6 | 13 |
| 2014 | 12 | 15 |
| 2015 | 12 | 13 |
| 2016 | 7 | 10 |
| 2017 | 12 | 24 |
| 2018 | 11 | 14 |
| 2019 | 14 | 15 |
| 2020 | 20 | 20 |
| 2021 | 11 | 13 |
| 2022 | 19 | 21 |
| 2023 | 11 | 15 |
| 2024 | 12 | 22 |
| 2025 | 11 | 17 |
| 2026 | 8 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nonmetallic duct bank with nonmetallic subducts16 Jun 2026US 12,658,685 B2Saudi Arabian Oil Company
- System and method of installing communication cables using rodder end attachments9 Jun 2026US 12,651,892 B1FiberSolver, LLC
- Cable enclosure26 May 2026US 12,638,651 B2Preformed Line Products Company
- Submarine cable system and method for laying a submarine cable system5 May 2026US 12,620,788 B2RWE Offshore Wind GmbH
- Method for laying cable in pressure pipeline without stopping transmission10 Mar 2026US 12,573,820 B2Bestone (Zhejiang) Safety Technology Co., Ltd.
- Cable enclosure24 Sep 2026US 2026/0287845 A1Preformed Line Products Company
- Conduit security techniques17 Sep 2026US 2026/0276127 A1Scott Lock Company
- Manhole for power cables17 Sep 2026US 2026/0280261 A1LANGMATZ GmbH
- Gear type cable protection system including embedded fasteners6 Aug 2026US 2026/0227006 A1Panduit Corp.
- A curb stone6 Aug 2026US 2026/0229868 A1
Most cited
By later US patents
- Flexible cable168US 4,396,797 AHoriba, Ltd. · 1983
- Prelubricated innerduct81US 4,892,442 ADura-Line Corporation · 1990
- Conduit insert for optical fiber cable70US 6,304,698 B1Milliken & Company · 2001
- Toneable conduit and method of preparing same55US 7,279,643 B2CommScope Solutions Properties, LLC · 2007
- Bulkhead connector55US 7,581,976 B2GL Tool and Manufacturing Co. Inc. · 2009