H02H 7/1257
Responsive to short circuit or wrong polarity in output circuit
Official title: {responsive to short circuit or wrong polarity in output circuit}
H02H7/1257 (Responsive to short circuit or wrong polarity in output circuit) appears on 71 US grants and 65 published applications in this corpus.
Search patents in H02H- Granted patents
- 71
- Published applications
- 65
- Assignees
- 59
- Inventors
- 191
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 0 |
| 2015 | 1 | 3 |
| 2016 | 1 | 3 |
| 2017 | 4 | 6 |
| 2018 | 3 | 10 |
| 2019 | 10 | 9 |
| 2020 | 6 | 3 |
| 2021 | 6 | 2 |
| 2022 | 4 | 12 |
| 2023 | 4 | 6 |
| 2024 | 7 | 1 |
| 2025 | 6 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Power conversion system30 Dec 2025US 12,512,675 B2Mitsubishi Electric Corporation
- Electrical power system converter control16 Sep 2025US 12,418,170 B2ROLLS-ROYCE plc
- Electrical network1 Apr 2025US 12,266,489 B2Siemens Aktiengesellschaft
- Method for coordinating protective devices in a distribution grid25 Feb 2025US 12,237,125 B2Siemens Aktiengesellschaft
- Electrical network having fault protection control4 Feb 2025US 12,217,919 B2Siemens Aktiengesellschaft
- Technique to alter a high voltage for a lower voltage load21 Aug 2025US 2025/0266775 A1
- Electrical power supply with a dc/dc voltage converter1 May 2025US 2025/0141250 A1Aptiv Technologies AG
- Electronic delay with stabilized output voltage and over current/short circuit protection4 Jan 2024US 2024/0006875 A1Rockwell Automation Technologies, Inc.
- Power Conversion System2 Nov 2023US 2023/0352942 A1Mitsubishi Electric Corporation
- System and method for ground fault monitoring in an aircraft17 Aug 2023US 2023/0261476 A1The Boeing Company
Most cited
By later US patents
- Power converter with overvoltage protection45US 5,687,066 AProgressive Dynamics, Inc. · 1997
- Power converter for recreational vehicles and the like39US 5,600,550 AProgressive Dynamics, Inc. · 1997
- DC power supply apparatus32US 6,069,811 ASansha Electric Manufacturing Company, Limited · 2000
- Personal computer power supply with low-power standby mode activated by secondary side protection circuit30US 5,636,109 ACompaq Computer Corporation · 1997
- Fault control circuit for switched power supply29US 5,796,596 AThomson Consumer Electronics, Inc. · 1998