H02H 7/222
For switches
Official title: {for switches}
H02H7/222 (For switches) appears on 257 US grants and 241 published applications in this corpus.
Search patents in H02H- Granted patents
- 257
- Published applications
- 241
- Assignees
- 173
- Inventors
- 655
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 4 |
| 2002 | 4 | 3 |
| 2003 | 2 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 4 |
| 2008 | 1 | 0 |
| 2009 | 3 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 4 |
| 2012 | 2 | 5 |
| 2013 | 5 | 12 |
| 2014 | 7 | 13 |
| 2015 | 9 | 9 |
| 2016 | 7 | 12 |
| 2017 | 13 | 13 |
| 2018 | 6 | 20 |
| 2019 | 15 | 22 |
| 2020 | 15 | 19 |
| 2021 | 28 | 18 |
| 2022 | 16 | 26 |
| 2023 | 12 | 7 |
| 2024 | 23 | 9 |
| 2025 | 13 | 16 |
| 2026 | 5 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reverse wiring self-protection circuit and solid-state circuit breaker including the same14 Apr 2026US 12,603,493 B2Schneider Electric (China) Co., Ltd.
- Method for diagnosing failure of current breaking device and energy storage apparatus24 Mar 2026US 12,584,962 B2GS Yuasa International Ltd.
- Apparatus and method for protecting solid-state circuit breaker10 Mar 2026US 12,573,836 B2Schneider Electric (China) Co., Ltd.
- Monitoring, control and protection system for electrical conductor using rogowski coil and capacitive voltage divider integrated into a compact unit24 Feb 2026US 12,560,649 B2
- Calibrating method and system of setting value of grid-related relay protection of new energy station6 Jan 2026US 12,519,302 B2Inner Mongolia Power (Group) Co., Ltd Inner Mongolia Power Research Institute
- Systems and methods for verifying protective relay output contact operation10 Sep 2026US 2026/0269160 A1Schweitzer Engineering Laboratories, Inc.
- Arc Fault (AFCI) and Ground Fault (GFCI) Detection and Interruption Implemented in a Branch Module for a Modular Electrical Panel3 Sep 2026US 2026/0261101 A1Span.IO, Inc.
- Resetable solid-state fuse13 Aug 2026US 2026/0237584 A1Kyocera AVX Components (Salzburg) GmbH
- Over-temperature protection method and apparatus, device, and storage medium for solid-state circuit breaker30 Jul 2026US 2026/0221757 A1Schneider Electric Industries SAS
- Protection system, dc power system, and protection method23 Jul 2026US 2026/0213742 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Sequence based network protector relay with forward overcurrent protection and antipumping feature90US 5,822,165 AEaton Corporation · 1998
- Contactor control system73US 4,922,363 AGeneral Electric Company · 1990
- Power switch reverse current protection systems44US 11,996,830 B2Texas Instruments Incorporated · 2024
- Limiting circuit for a semiconductor transistor and method for limiting the voltage across a semiconductor transistor44US 9,088,159 B2Robert Bosch GmbH · 2015
- Contactor device including arc supression means36US 4,025,820 APower Management Corporation · 1977