H02B 1/14
Shutters or guards for preventing access to contacts
Official title: Shutters or guards for preventing access to contacts (shielding of isolating-contacts in withdrawable switchgear H02B11/24)
H02B1/14 (Shutters or guards for preventing access to contacts) appears on 132 US grants and 118 published applications in this corpus.
Search patents in H02B- Granted patents
- 132
- Published applications
- 118
- Assignees
- 76
- Inventors
- 266
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 2 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 5 |
| 2014 | 3 | 2 |
| 2015 | 4 | 8 |
| 2016 | 6 | 11 |
| 2017 | 11 | 12 |
| 2018 | 10 | 7 |
| 2019 | 8 | 14 |
| 2020 | 13 | 10 |
| 2021 | 10 | 6 |
| 2022 | 4 | 10 |
| 2023 | 10 | 6 |
| 2024 | 8 | 10 |
| 2025 | 9 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical panelboard guard with coupled members14 Jul 2026US 12,680,353 B2ADK Electric Corporation
- Touch protected busbar system21 Apr 2026US 12,609,499 B2Woehner Besitz GmbH
- Shutter assembly and switchboard comprising same11 Nov 2025US 12,470,047 B2Ls Electric Co., Ltd.
- Electrically insulated boots preventing unintended contact with live electrical conductors2 Sep 2025US 12,407,150 B2Schneider Electric USA, Inc.
- Detachable barrier for electrical switching apparatus29 Jul 2025US 12,374,508 B2Eaton Intelligent Power Limited
- Touch protection cover assembly with position marks and electrical installation device10 Sep 2026US 2026/0269576 A1Future Systems Besitz GmbH
- Strip with position marks, protection cover assembly, and electrical installation device6 Aug 2026US 2026/0229854 A1Future Systems Besitz GmbH
- Panel board16 Jul 2026US 2026/0204879 A1Ls Electric Co., Ltd.
- Mobile multi-voltage power distribution system5 Mar 2026US 2026/0066625 A1Stewart & Stevenson LLC
- Marine busbar cabinet19 Feb 2026US 2026/0051720 A1Eve Energy Storage Co., Ltd.
Most cited
By later US patents
- Enclosed switchboard54US 4,926,286 ATogami Electric Mfg. Co., Ltd. · 1990
- Motor control center units with retractable stabs and interlocks using portal shutters27US 9,531,169 B2Eaton Corporation · 2016
- Electric power distribution panelboard-switchboard bus bar insulation shield23US 5,067,043 AGeneral Electric Company · 1991
- Dual power source retrofit kit with power source selection interlock assembly23US 5,977,492 ASquare D Company · 1999
- Circuit breaker panel22US 7,405,923 B2Golden Technology Management, LLC · 2008