H01H 9/287
Wherein the operating part is made inaccessible or more difficult to access
Official title: {wherein the operating part is made inaccessible or more difficult to access by a lid, cover or guard, e.g. lockable covers}
H01H9/287 (Wherein the operating part is made inaccessible or more difficult to access) appears on 155 US grants and 135 published applications in this corpus.
Search patents in H01H- Granted patents
- 155
- Published applications
- 135
- Assignees
- 87
- Inventors
- 265
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 5 |
| 2003 | 4 | 4 |
| 2004 | 4 | 2 |
| 2005 | 4 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 2 |
| 2008 | 7 | 3 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 2 | 3 |
| 2012 | 1 | 3 |
| 2013 | 0 | 6 |
| 2014 | 6 | 8 |
| 2015 | 9 | 10 |
| 2016 | 4 | 4 |
| 2017 | 7 | 10 |
| 2018 | 9 | 5 |
| 2019 | 11 | 7 |
| 2020 | 6 | 11 |
| 2021 | 6 | 10 |
| 2022 | 9 | 7 |
| 2023 | 11 | 7 |
| 2024 | 7 | 6 |
| 2025 | 7 | 7 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Retrofit remote control devices18 Aug 2026US 12,712,137 B2Lutron Technology Company LLC
- Retrofit remote control device9 Jun 2026US 12,651,525 B2Lutron Technology Company LLC
- Lockout/tagout system and method including multi-user lockout device with electronic locking and wireless control interface27 Jan 2026US RE50,769 E1Eaton Intelligent Power Limited
- Rotary circuit breaker lockout system and method6 Jan 2026US 12,518,934 B2Brady Worldwide, Inc.
- Self-adjusting frame for mounting over a wall-mounted electrical device30 Dec 2025US 12,512,278 B2Lutron Technology Company LLC
- Locking device for a rocker-type light switch13 Aug 2026US 2026/0237573 A1Toggle Shield LLC
- Lockout/tagout system and method including multi-user lockout device with electronic locking and wireless control interface14 May 2026US 2026/0134730 A1Eaton Intelligent Power Limited
- Self-adjusting frame for mounting over a wall-mounted electrical device14 May 2026US 2026/0135047 A1Lutron Technology Company LLC
- Loto for msd switch, power battery and work machinery23 Apr 2026US 2026/0112552 A1Caterpillar Inc.
- Flip Guard Safety Systems for Aircraft Switches26 Feb 2026US 2026/0058072 A1Textron Innovations Inc.
Most cited
By later US patents
- Adapter assemblies for interconnecting surgical loading units and handle assemblies848US 10,163,589 B2Covidien LP · 2018
- Switch cover and control for controllable lamp153US 9,208,965 B2Centralite Systems, Inc. · 2015
- Hold-open hinge mechanism for a molded plastic cover87US 4,979,634 ACooper Industries, Inc. · 1990
- Electric outlet with rotatable receptacles63US 6,750,410 B22004
- Switch guard assembly57US 4,102,471 A1978