H02B 11/28
Earthing arrangements
H02B11/28 (Earthing arrangements) appears on 39 US grants and 39 published applications in this corpus.
Search patents in H02B- Granted patents
- 39
- Published applications
- 39
- Assignees
- 24
- Inventors
- 92
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 4 |
| 2016 | 3 | 3 |
| 2017 | 5 | 5 |
| 2018 | 2 | 2 |
| 2019 | 4 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 3 |
| 2023 | 2 | 3 |
| 2024 | 3 | 2 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical contact assembly having conductive clamp assembly and associated methods6 Oct 2026US 12,756,163 B2Jst Power Equipment, Inc.
- Isolation device for voltage transformer cabinet22 Sep 2026US 12,744,365 B2Schneider Electric Industries SAS
- Grounding device for circuit breaker12 Aug 2025US 12,388,242 B2Ls Electric Co., Ltd.
- Interlock system for a low, medium or high voltage switchgear3 Jun 2025US 12,322,932 B2ABB Schweiz AG
- Enclosure and optimizations9 Jul 2024US 12,034,241 B2Schneider Electric USA, Inc.
- Interlocking and unlocking device for main switch trolley and grounding switch, and switchgear comprising same15 Jan 2026US 2026/0018869 A1ABB Schweiz AG
- Electrical contact assembly having conductive clamp assembly and associated methods25 Sep 2025US 2025/0300437 A1Jst Power Equipment, Inc.
- Enclosure and Optimizations1 Aug 2024US 2024/0258731 A1Schneider Electric USA, Inc.
- Isolation device for voltage transformer cabinet and voltage transformer cabinet18 Jul 2024US 2024/0243559 A1Schneider Electric Industries SAS
- Grounding device for circuit breaker28 Dec 2023US 2023/0420923 A1Ls Electric Co., Ltd.
Most cited
By later US patents
- Interlock apparatus of ground switch for vacuum circuit breaker16US 8,395,064 B2LS Industrial Systems Co., Ltd. · 2013
- Drawer type enclosed switchboard with automatic grounding device14US 4,482,936 AMitsubishi Denki Kabushiki Kaisha · 1984
- Electric switchgear11US 8,283,585 B2ABB Technology AG · 2012
- Composite groundable barrier for switchgear and grounding apparatus9US 4,272,798 AWestinghouse Electric Corp. · 1981
- Universal high voltage ground stud insulating system9US 4,941,834 A1990