H01H 21/04
Cases
Official title: Cases; Covers
H01H21/04 (Cases) appears on 223 US grants and 200 published applications in this corpus.
Search patents in H01H- Granted patents
- 223
- Published applications
- 200
- Assignees
- 145
- Inventors
- 458
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 0 |
| 2003 | 2 | 3 |
| 2004 | 6 | 4 |
| 2005 | 0 | 5 |
| 2006 | 8 | 7 |
| 2007 | 2 | 4 |
| 2008 | 2 | 6 |
| 2009 | 2 | 3 |
| 2010 | 4 | 3 |
| 2011 | 6 | 2 |
| 2012 | 3 | 4 |
| 2013 | 3 | 8 |
| 2014 | 7 | 10 |
| 2015 | 9 | 7 |
| 2016 | 9 | 14 |
| 2017 | 14 | 19 |
| 2018 | 11 | 15 |
| 2019 | 21 | 12 |
| 2020 | 14 | 26 |
| 2021 | 16 | 17 |
| 2022 | 21 | 6 |
| 2023 | 11 | 10 |
| 2024 | 4 | 6 |
| 2025 | 5 | 6 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wire management connector with wire bending relief for plug-in type electrical wiring devices6 Oct 2026US 12,756,131 B2Eaton Intelligent Power Limited
- Electrical connector and switching device15 Sep 2026US 12,738,680 B2Alps Alpine Co., Ltd.
- Bidirectional operation mechanism for switching device and switching device assembly21 Jul 2026US 12,688,987 B2Schneider Electric (China) Co., Ltd.
- Multidirectional input device19 May 2026US 12,633,475 B2Alps Alpine Co., Ltd.
- Circuit breaker with integrated safety lock-off mechanism10 Feb 2026US 12,548,719 B2Siemens Industry, Inc.
- Safety switch for a battery pack powered trowel16 Apr 2026US 2026/0106092 A1Milwaukee Electric Tool Corporation
- Deadman switch system and method for control of abrasive blasting apparatus11 Dec 2025US 2025/0379012 A1Reco Atlantic, LLC
- Lever and input device11 Dec 2025US 2025/0379013 A1AAC Technologies PTE.Ltd.
- Wall Switch Protective Cover27 Nov 2025US 2025/0364190 A1
- Wire management connector with wire bending relief for plug-in type electrical wiring devices5 Jun 2025US 2025/0183580 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Apparatus and method for braking electric motors104US 6,037,729 ABlack & Decker Inc. · 2000
- Water-resistant rocker switch102US 4,287,400 ATimex Corporation · 1981
- Treadmill with a movable switch mounted on an arm thereof58US 6,830,541 B2Strength Master Health Corp. · 2004
- Rotary knob for electrical system39US 7,870,810 B2Schneider Electric Industries SAS · 2011
- Electric tool actuator switch37US 5,428,197 ARyobi Motor Products Corp. · 1995