H02G 3/08
Distribution boxes
Official title: Distribution boxes; Connection or junction boxes
H02G3/08 (Distribution boxes) appears on 6,636 US grants and 5,425 published applications in this corpus.
Search patents in H02G- Granted patents
- 6,636
- Published applications
- 5,425
- Assignees
- 1,861
- Inventors
- 8,702
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 37 | 0 |
| 1977 | 40 | 0 |
| 1978 | 28 | 0 |
| 1979 | 24 | 0 |
| 1980 | 22 | 0 |
| 1981 | 39 | 0 |
| 1982 | 34 | 0 |
| 1983 | 24 | 0 |
| 1984 | 30 | 0 |
| 1985 | 34 | 0 |
| 1986 | 37 | 0 |
| 1987 | 51 | 0 |
| 1988 | 40 | 0 |
| 1989 | 58 | 0 |
| 1990 | 76 | 0 |
| 1991 | 68 | 0 |
| 1992 | 58 | 0 |
| 1993 | 58 | 0 |
| 1994 | 52 | 0 |
| 1995 | 69 | 0 |
| 1996 | 62 | 0 |
| 1997 | 82 | 0 |
| 1998 | 113 | 0 |
| 1999 | 119 | 0 |
| 2000 | 127 | 0 |
| 2001 | 138 | 26 |
| 2002 | 149 | 99 |
| 2003 | 119 | 107 |
| 2004 | 134 | 88 |
| 2005 | 124 | 165 |
| 2006 | 151 | 160 |
| 2007 | 140 | 141 |
| 2008 | 130 | 175 |
| 2009 | 146 | 146 |
| 2010 | 137 | 173 |
| 2011 | 130 | 154 |
| 2012 | 146 | 173 |
| 2013 | 165 | 168 |
| 2014 | 181 | 285 |
| 2015 | 219 | 224 |
| 2016 | 262 | 231 |
| 2017 | 288 | 282 |
| 2018 | 276 | 286 |
| 2019 | 366 | 333 |
| 2020 | 337 | 362 |
| 2021 | 285 | 300 |
| 2022 | 277 | 292 |
| 2023 | 256 | 263 |
| 2024 | 284 | 304 |
| 2025 | 240 | 284 |
| 2026 | 174 | 204 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02G 3/081Bases, casings or covers2,013
- H02G 3/14Fastening of cover or lid to box1,830
- H02G 3/12For flush mounting1,670
- H02G 3/18Providing line outlets1,540
- H02G 3/088Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets1,094
- H02G 3/16Structurally associated with support for line-connecting terminals within the box680
- H02G 3/10For surface mounting on a wall605
- H02G 3/086Assembled boxes558
Recent patents
- Intumescent material and articles made thereof6 Oct 2026US 12,753,291 B23M Innovative Properties Company
- Ceiling fan with a quick connect assembly6 Oct 2026US 12,753,775 B2Hunter Fan Company
- Old work box with breakaway wings6 Oct 2026US 12,756,168 B2ABB Schweiz AG
- Electrical coupler for a first car of a multi-car vehicle29 Sep 2026US 12,746,954 B2Dellner Couplers AB
- Junction box with removable mounting plate29 Sep 2026US 12,749,880 B2Elemental LED, Inc.
- Power distribution unit8 Oct 2026US 2026/0307610 A1Autonetworks Technologies, Ltd.
- Connection interfaces and related assemblies8 Oct 2026US 2026/0309951 A1Outdoor Wireless Networks LLC
- Electrical junction box with door and cover system8 Oct 2026US 2026/0312388 A1E-Lids, LLC
- Connection structure for solar controller8 Oct 2026US 2026/0312534 A1Taizhou Tongfeng Photoelectric Technology Co., Ltd
- Adjustable electrical apparatus with hangar bars for installation in a building1 Oct 2026US 2026/0298424 A1DMF, Inc.
Most cited
By later US patents
- Universal wall plate thermometer1,023US 8,143,520 B22012
- Watertight junction box266US 4,623,753 AAMP Incorporated · 1986
- Two piece face plate for wall box mounted device250US 4,835,343 ALutron Electronics Co., Inc. · 1989
- Connector box for solar panel250US 7,763,807 B2Lumberg Connect GmbH · 2010
- Connection box for solar panel247US 7,960,650 B2Lumberg Connect GmbH · 2011