H02G 9/04
In surface ducts
Official title: in surface ducts; Ducts or covers therefor
H02G9/04 (In surface ducts) appears on 109 US grants and 121 published applications in this corpus.
Search patents in H02G- Granted patents
- 109
- Published applications
- 121
- Assignees
- 68
- Inventors
- 206
- Latest grant
- 18 Aug 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 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 3 |
| 2004 | 5 | 5 |
| 2005 | 4 | 6 |
| 2006 | 6 | 9 |
| 2007 | 6 | 8 |
| 2008 | 5 | 1 |
| 2009 | 5 | 4 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 3 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 5 |
| 2015 | 4 | 1 |
| 2016 | 2 | 2 |
| 2017 | 4 | 3 |
| 2018 | 0 | 3 |
| 2019 | 5 | 8 |
| 2020 | 10 | 10 |
| 2021 | 2 | 4 |
| 2022 | 5 | 11 |
| 2023 | 7 | 11 |
| 2024 | 6 | 13 |
| 2025 | 6 | 1 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low profile raceway18 Aug 2026US 12,712,344 B2
- Expandable cord protector30 Jun 2026US 12,671,238 B1Titan3 Technology LLC
- Nonmetallic duct bank with nonmetallic subducts16 Jun 2026US 12,658,685 B2Saudi Arabian Oil Company
- Cable management in EV charger systems19 May 2026US 12,633,731 B2Shoals Technologies Group, LLC
- Precast block for housing and routing electrical power cables, an electric vehicle charging station using the block and a manufacturing method14 Oct 2025US 12,441,205 B2EV Blocks LTD
- Cable Conduit1 Oct 2026US 2026/0302752 A1
- Module for above-ground installation of electrical cables3 Sep 2026US 2026/0257570 A1Tokheim Services France
- A curb stone6 Aug 2026US 2026/0229868 A1
- Duct for receiving electric-vehicle charging cables30 Jul 2026US 2026/0221746 A1Kerbo Charge Ltd
- Cable Laying Device25 Jun 2026US 2026/0180293 A1
Most cited
By later US patents
- Cable trough cover75US 7,469,090 B2ADC Telecommunications, Inc. · 2008
- Modular cable protection system74US 5,777,266 AHubbell Incorporated · 1998
- Crossover/protector with warning light72US 6,499,410 B1Industry Advanced Technologies · 2002
- Cable crossover device69US 5,095,822 ATrouper Industries, Ltd. · 1992
- Cable trough cover68US 6,934,456 B2ADC Telecommunications, Inc. · 2005