H02G 3/0431
Wall trunking
Official title: {Wall trunking}
H02G3/0431 (Wall trunking) appears on 194 US grants and 148 published applications in this corpus.
Search patents in H02G- Granted patents
- 194
- Published applications
- 148
- Assignees
- 123
- Inventors
- 317
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 2 |
| 2002 | 7 | 2 |
| 2003 | 2 | 4 |
| 2004 | 4 | 3 |
| 2005 | 3 | 7 |
| 2006 | 2 | 4 |
| 2007 | 6 | 6 |
| 2008 | 8 | 8 |
| 2009 | 4 | 9 |
| 2010 | 4 | 8 |
| 2011 | 6 | 3 |
| 2012 | 6 | 3 |
| 2013 | 1 | 5 |
| 2014 | 3 | 5 |
| 2015 | 1 | 3 |
| 2016 | 2 | 7 |
| 2017 | 10 | 6 |
| 2018 | 9 | 8 |
| 2019 | 11 | 3 |
| 2020 | 9 | 13 |
| 2021 | 7 | 12 |
| 2022 | 11 | 9 |
| 2023 | 13 | 6 |
| 2024 | 5 | 7 |
| 2025 | 5 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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- Device and method for producing and sealing a line feedthrough directly beneath a ceiling12 Mar 2026US 2026/0071424 A1Hilti Aktiengesellschaft
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Most cited
By later US patents
- Decorative lighting system217US 6,183,104 B22001
- Flexible connector for track lighting systems156US 4,096,349 ALightolier Incorporated · 1978
- Variable-type cable management and distribution system123US 5,831,211 A1998
- Surface accessible wiring system and assembly101US 5,024,614 AAMP Incorporated · 1991
- Raceway system with separated wireways for power and data communication conductors87US 6,323,421 B1The Wiremold Company · 2001