H02H 1/00
Details of emergency protective circuit arrangements
H02H1/00 (Details of emergency protective circuit arrangements) appears on 4,287 US grants and 4,353 published applications in this corpus.
Search patents in H02H- Granted patents
- 4,287
- Published applications
- 4,353
- Assignees
- 1,510
- Inventors
- 8,222
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 21 | 0 |
| 1978 | 16 | 0 |
| 1979 | 19 | 0 |
| 1980 | 11 | 0 |
| 1981 | 14 | 0 |
| 1982 | 17 | 0 |
| 1983 | 8 | 0 |
| 1984 | 17 | 0 |
| 1985 | 16 | 0 |
| 1986 | 8 | 0 |
| 1987 | 18 | 0 |
| 1988 | 14 | 0 |
| 1989 | 28 | 0 |
| 1990 | 11 | 0 |
| 1991 | 16 | 0 |
| 1992 | 27 | 0 |
| 1993 | 25 | 0 |
| 1994 | 22 | 0 |
| 1995 | 24 | 0 |
| 1996 | 44 | 0 |
| 1997 | 38 | 0 |
| 1998 | 58 | 0 |
| 1999 | 58 | 0 |
| 2000 | 50 | 0 |
| 2001 | 45 | 14 |
| 2002 | 63 | 54 |
| 2003 | 89 | 108 |
| 2004 | 77 | 73 |
| 2005 | 48 | 65 |
| 2006 | 68 | 73 |
| 2007 | 60 | 81 |
| 2008 | 67 | 69 |
| 2009 | 51 | 54 |
| 2010 | 51 | 90 |
| 2011 | 63 | 72 |
| 2012 | 57 | 101 |
| 2013 | 81 | 90 |
| 2014 | 82 | 137 |
| 2015 | 101 | 134 |
| 2016 | 101 | 137 |
| 2017 | 138 | 150 |
| 2018 | 123 | 272 |
| 2019 | 210 | 357 |
| 2020 | 287 | 415 |
| 2021 | 432 | 342 |
| 2022 | 368 | 359 |
| 2023 | 320 | 290 |
| 2024 | 292 | 279 |
| 2025 | 242 | 312 |
| 2026 | 172 | 225 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02H 1/0007Concerning the detecting means2,831
- H02H 1/04Arrangements for preventing response to transient abnormal conditions514
- H02H 1/0061Concerning transmission of signals492
- H02H 1/0092Concerning the data processing means490
- H02H 1/06Arrangements for supplying operative power438
- H02H 1/0038Concerning the connection of the detecting means143
Recent patents
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- Clock sync input dropout protection6 Oct 2026US 12,756,172 B2Texas Instruments Incorporated
- Reclosing control for coordinating a solid-state switch and a circuit breaker6 Oct 2026US 12,756,174 B2ABB Schweiz AG
- Ground fault detection in AC systems using digital signal processing6 Oct 2026US 12,756,175 B2Amber Semiconductor, Inc.
- Power generation device6 Oct 2026US 12,756,176 B2IHI Corporation
- Over-voltage transient protection in electrical circuit8 Oct 2026US 2026/0312396 A1Cisco Technology, Inc.
- Discharging of a damping capacitor8 Oct 2026US 2026/0312581 A1ams-OSRAM AG
- Electrical Equipment Fault Diagnosis And Control1 Oct 2026US 2026/0299538 A1Budderfly, Inc.
- System and method for protecting against ground faults on power rails1 Oct 2026US 2026/0302758 A1Caterpillar Inc.
- Mobile vehicle control system and method1 Oct 2026US 2026/0302760 A1Korea Atomic Energy Research Institute
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